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sfguide-data-engineering-with-snowpark-python | https://github.com/Snowflake-Labs/sfguide-data-engineering-with-snowpark-python | null | 53 | 2,339 | 2023-11-18 06:33:34+00:00 | 2023-01-23 16:06:45+00:00 | 513 | Apache License 2.0 | Python | 0 | 0 | 0 |
|
sfguide-data-engineering-with-snowpark-python | https://github.com/Snowflake-Labs/sfguide-data-engineering-with-snowpark-python | null | 53 | 2,339 | 2023-11-18 06:33:34+00:00 | 2023-01-23 16:06:45+00:00 | 513 | Apache License 2.0 | Python | from snowflake.snowpark import Session
import os
from typing import Optional
# Class to store a singleton connection option
class SnowflakeConnection(object):
_connection = None
@property
def connection(self) -> Optional[Session]:
return type(self)._connection
@connection.setter
def connection(self, val):
type(self)._connection = val
# Function to return a configured Snowpark session
def get_snowpark_session() -> Session:
# if running in snowflake
if SnowflakeConnection().connection:
# Not sure what this does?
session = SnowflakeConnection().connection
# if running locally with a config file
# TODO: Look for a creds.json style file. This should be the way all snowpark
# related tools work IMO
# if using snowsql config, like snowcli does
elif os.path.exists(os.path.expanduser('~/.snowsql/config')):
snowpark_config = get_snowsql_config()
SnowflakeConnection().connection = Session.builder.configs(snowpark_config).create()
# otherwise configure from environment variables
elif "SNOWSQL_ACCOUNT" in os.environ:
snowpark_config = {
"account": os.environ["SNOWSQL_ACCOUNT"],
"user": os.environ["SNOWSQL_USER"],
"password": os.environ["SNOWSQL_PWD"],
"role": os.environ["SNOWSQL_ROLE"],
"warehouse": os.environ["SNOWSQL_WAREHOUSE"],
"database": os.environ["SNOWSQL_DATABASE"],
"schema": os.environ["SNOWSQL_SCHEMA"]
}
SnowflakeConnection().connection = Session.builder.configs(snowpark_config).create()
if SnowflakeConnection().connection:
return SnowflakeConnection().connection # type: ignore
else:
raise Exception("Unable to create a Snowpark session")
# Mimic the snowcli logic for getting config details, but skip the app.toml processing
# since this will be called outside the snowcli app context.
# TODO: It would be nice to get rid of this entirely and always use creds.json but
# need to update snowcli to make that happen
def get_snowsql_config(
connection_name: str = 'dev',
config_file_path: str = os.path.expanduser('~/.snowsql/config'),
) -> dict:
import configparser
snowsql_to_snowpark_config_mapping = {
'account': 'account',
'accountname': 'account',
'username': 'user',
'password': 'password',
'rolename': 'role',
'warehousename': 'warehouse',
'dbname': 'database',
'schemaname': 'schema'
}
try:
config = configparser.ConfigParser(inline_comment_prefixes="#")
connection_path = 'connections.' + connection_name
config.read(config_file_path)
session_config = config[connection_path]
# Convert snowsql connection variable names to snowcli ones
session_config_dict = {
snowsql_to_snowpark_config_mapping[k]: v.strip('"')
for k, v in session_config.items()
}
return session_config_dict
except Exception:
raise Exception(
"Error getting snowsql config details"
)
| 35.917647 | 92 | 0.654128 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import os
import logging
from airflow import DAG
from airflow.utils.dates import days_ago
from airflow.operators.bash import BashOperator
from airflow.operators.python import PythonOperator
from google.cloud import storage
from airflow.providers.google.cloud.operators.bigquery import BigQueryCreateExternalTableOperator
import pyarrow.csv as pv
import pyarrow.parquet as pq
PROJECT_ID = os.environ.get("GCP_PROJECT_ID")
BUCKET = os.environ.get("GCP_GCS_BUCKET")
dataset_file = "yellow_tripdata_2021-01.csv"
dataset_url = f"https://s3.amazonaws.com/nyc-tlc/trip+data/{dataset_file}"
path_to_local_home = os.environ.get("AIRFLOW_HOME", "/opt/airflow/")
parquet_file = dataset_file.replace('.csv', '.parquet')
BIGQUERY_DATASET = os.environ.get("BIGQUERY_DATASET", 'trips_data_all')
def format_to_parquet(src_file):
if not src_file.endswith('.csv'):
logging.error("Can only accept source files in CSV format, for the moment")
return
table = pv.read_csv(src_file)
pq.write_table(table, src_file.replace('.csv', '.parquet'))
# NOTE: takes 20 mins, at an upload speed of 800kbps. Faster if your internet has a better upload speed
def upload_to_gcs(bucket, object_name, local_file):
"""
Ref: https://cloud.google.com/storage/docs/uploading-objects#storage-upload-object-python
:param bucket: GCS bucket name
:param object_name: target path & file-name
:param local_file: source path & file-name
:return:
"""
# WORKAROUND to prevent timeout for files > 6 MB on 800 kbps upload speed.
# (Ref: https://github.com/googleapis/python-storage/issues/74)
storage.blob._MAX_MULTIPART_SIZE = 5 * 1024 * 1024 # 5 MB
storage.blob._DEFAULT_CHUNKSIZE = 5 * 1024 * 1024 # 5 MB
# End of Workaround
client = storage.Client()
bucket = client.bucket(bucket)
blob = bucket.blob(object_name)
blob.upload_from_filename(local_file)
default_args = {
"owner": "airflow",
"start_date": days_ago(1),
"depends_on_past": False,
"retries": 1,
}
# NOTE: DAG declaration - using a Context Manager (an implicit way)
with DAG(
dag_id="data_ingestion_gcs_dag",
schedule_interval="@daily",
default_args=default_args,
catchup=False,
max_active_runs=1,
tags=['dtc-de'],
) as dag:
download_dataset_task = BashOperator(
task_id="download_dataset_task",
bash_command=f"curl -sSL {dataset_url} > {path_to_local_home}/{dataset_file}"
)
format_to_parquet_task = PythonOperator(
task_id="format_to_parquet_task",
python_callable=format_to_parquet,
op_kwargs={
"src_file": f"{path_to_local_home}/{dataset_file}",
},
)
# TODO: Homework - research and try XCOM to communicate output values between 2 tasks/operators
local_to_gcs_task = PythonOperator(
task_id="local_to_gcs_task",
python_callable=upload_to_gcs,
op_kwargs={
"bucket": BUCKET,
"object_name": f"raw/{parquet_file}",
"local_file": f"{path_to_local_home}/{parquet_file}",
},
)
bigquery_external_table_task = BigQueryCreateExternalTableOperator(
task_id="bigquery_external_table_task",
table_resource={
"tableReference": {
"projectId": PROJECT_ID,
"datasetId": BIGQUERY_DATASET,
"tableId": "external_table",
},
"externalDataConfiguration": {
"sourceFormat": "PARQUET",
"sourceUris": [f"gs://{BUCKET}/raw/{parquet_file}"],
},
},
)
download_dataset_task >> format_to_parquet_task >> local_to_gcs_task >> bigquery_external_table_task
| 32.423423 | 104 | 0.65031 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import os
from datetime import datetime
from airflow import DAG
from airflow.operators.bash import BashOperator
from airflow.operators.python import PythonOperator
from ingest_script import ingest_callable
AIRFLOW_HOME = os.environ.get("AIRFLOW_HOME", "/opt/airflow/")
PG_HOST = os.getenv('PG_HOST')
PG_USER = os.getenv('PG_USER')
PG_PASSWORD = os.getenv('PG_PASSWORD')
PG_PORT = os.getenv('PG_PORT')
PG_DATABASE = os.getenv('PG_DATABASE')
local_workflow = DAG(
"LocalIngestionDag",
schedule_interval="0 6 2 * *",
start_date=datetime(2021, 1, 1)
)
URL_PREFIX = 'https://s3.amazonaws.com/nyc-tlc/trip+data'
URL_TEMPLATE = URL_PREFIX + '/yellow_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.csv'
OUTPUT_FILE_TEMPLATE = AIRFLOW_HOME + '/output_{{ execution_date.strftime(\'%Y-%m\') }}.csv'
TABLE_NAME_TEMPLATE = 'yellow_taxi_{{ execution_date.strftime(\'%Y_%m\') }}'
with local_workflow:
wget_task = BashOperator(
task_id='wget',
bash_command=f'curl -sSL {URL_TEMPLATE} > {OUTPUT_FILE_TEMPLATE}'
)
ingest_task = PythonOperator(
task_id="ingest",
python_callable=ingest_callable,
op_kwargs=dict(
user=PG_USER,
password=PG_PASSWORD,
host=PG_HOST,
port=PG_PORT,
db=PG_DATABASE,
table_name=TABLE_NAME_TEMPLATE,
csv_file=OUTPUT_FILE_TEMPLATE
),
)
wget_task >> ingest_task | 25.327273 | 92 | 0.639945 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import os
from time import time
import pandas as pd
from sqlalchemy import create_engine
def ingest_callable(user, password, host, port, db, table_name, csv_file, execution_date):
print(table_name, csv_file, execution_date)
engine = create_engine(f'postgresql://{user}:{password}@{host}:{port}/{db}')
engine.connect()
print('connection established successfully, inserting data...')
t_start = time()
df_iter = pd.read_csv(csv_file, iterator=True, chunksize=100000)
df = next(df_iter)
df.tpep_pickup_datetime = pd.to_datetime(df.tpep_pickup_datetime)
df.tpep_dropoff_datetime = pd.to_datetime(df.tpep_dropoff_datetime)
df.head(n=0).to_sql(name=table_name, con=engine, if_exists='replace')
df.to_sql(name=table_name, con=engine, if_exists='append')
t_end = time()
print('inserted the first chunk, took %.3f second' % (t_end - t_start))
while True:
t_start = time()
try:
df = next(df_iter)
except StopIteration:
print("completed")
break
df.tpep_pickup_datetime = pd.to_datetime(df.tpep_pickup_datetime)
df.tpep_dropoff_datetime = pd.to_datetime(df.tpep_dropoff_datetime)
df.to_sql(name=table_name, con=engine, if_exists='append')
t_end = time()
print('inserted another chunk, took %.3f second' % (t_end - t_start))
| 27.306122 | 90 | 0.6443 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import os
from datetime import datetime
from airflow import DAG
from airflow.utils.dates import days_ago
from airflow.operators.bash import BashOperator
from airflow.operators.python import PythonOperator
from google.cloud import storage
PROJECT_ID = os.environ.get("GCP_PROJECT_ID", "pivotal-surfer-336713")
BUCKET = os.environ.get("GCP_GCS_BUCKET", "dtc_data_lake_pivotal-surfer-336713")
dataset_file = "yellow_tripdata_2021-01.csv"
dataset_url = f"https://s3.amazonaws.com/nyc-tlc/trip+data/{dataset_file}"
path_to_local_home = os.environ.get("AIRFLOW_HOME", "/opt/airflow/")
path_to_creds = f"{path_to_local_home}/google_credentials.json"
default_args = {
"owner": "airflow",
"start_date": days_ago(1),
"depends_on_past": False,
"retries": 1,
}
# # Takes 15-20 mins to run. Good case for using Spark (distributed processing, in place of chunks)
# def upload_to_gcs(bucket, object_name, local_file):
# """
# Ref: https://cloud.google.com/storage/docs/uploading-objects#storage-upload-object-python
# :param bucket: GCS bucket name
# :param object_name: target path & file-name
# :param local_file: source path & file-name
# :return:
# """
# # WORKAROUND to prevent timeout for files > 6 MB on 800 kbps upload link.
# # (Ref: https://github.com/googleapis/python-storage/issues/74)
# storage.blob._MAX_MULTIPART_SIZE = 5 * 1024 * 1024 # 5 MB
# storage.blob._DEFAULT_CHUNKSIZE = 5 * 1024 * 1024 # 5 MB
#
# client = storage.Client()
# bucket = client.bucket(bucket)
#
# blob = bucket.blob(object_name)
# # blob.chunk_size = 5 * 1024 * 1024
# blob.upload_from_filename(local_file)
with DAG(
dag_id="data_ingestion_gcs_dag",
schedule_interval="@daily",
default_args=default_args,
catchup=True,
max_active_runs=1,
) as dag:
# Takes ~2 mins, depending upon your internet's download speed
download_dataset_task = BashOperator(
task_id="download_dataset_task",
bash_command=f"curl -sS {dataset_url} > {path_to_local_home}/{dataset_file}" # "&& unzip {zip_file} && rm {zip_file}"
)
# # APPROACH 1: (takes 20 mins, at an upload speed of 800Kbps. Faster if your internet has a better upload speed)
# upload_to_gcs_task = PythonOperator(
# task_id="upload_to_gcs_task",
# python_callable=upload_to_gcs,
# op_kwargs={
# "bucket": BUCKET,
# "object_name": f"raw/{dataset_file}",
# "local_file": f"{path_to_local_home}/{dataset_file}",
#
# },
# )
# OR APPROACH 2: (takes 20 mins, at an upload speed of 800Kbps. Faster if your internet has a better upload speed)
# Ref: https://cloud.google.com/blog/products/gcp/optimizing-your-cloud-storage-performance-google-cloud-performance-atlas
upload_to_gcs_task = BashOperator(
task_id="upload_to_gcs_task",
bash_command=f"gcloud auth activate-service-account --key-file={path_to_creds} && \
gsutil -m cp {path_to_local_home}/{dataset_file} gs://{BUCKET}",
)
download_dataset_task >> upload_to_gcs_task | 36.421687 | 128 | 0.66087 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import os
import logging
from datetime import datetime
from airflow import DAG
from airflow.utils.dates import days_ago
from airflow.operators.bash import BashOperator
from airflow.operators.python import PythonOperator
from google.cloud import storage
import pyarrow.csv as pv
import pyarrow.parquet as pq
PROJECT_ID = os.environ.get("GCP_PROJECT_ID")
BUCKET = os.environ.get("GCP_GCS_BUCKET")
AIRFLOW_HOME = os.environ.get("AIRFLOW_HOME", "/opt/airflow/")
def format_to_parquet(src_file, dest_file):
if not src_file.endswith('.csv'):
logging.error("Can only accept source files in CSV format, for the moment")
return
table = pv.read_csv(src_file)
pq.write_table(table, dest_file)
def upload_to_gcs(bucket, object_name, local_file):
client = storage.Client()
bucket = client.bucket(bucket)
blob = bucket.blob(object_name)
blob.upload_from_filename(local_file)
default_args = {
"owner": "airflow",
#"start_date": days_ago(1),
"depends_on_past": False,
"retries": 1,
}
def donwload_parquetize_upload_dag(
dag,
url_template,
local_csv_path_template,
local_parquet_path_template,
gcs_path_template
):
with dag:
download_dataset_task = BashOperator(
task_id="download_dataset_task",
bash_command=f"curl -sSLf {url_template} > {local_csv_path_template}"
)
format_to_parquet_task = PythonOperator(
task_id="format_to_parquet_task",
python_callable=format_to_parquet,
op_kwargs={
"src_file": local_csv_path_template,
"dest_file": local_parquet_path_template
},
)
local_to_gcs_task = PythonOperator(
task_id="local_to_gcs_task",
python_callable=upload_to_gcs,
op_kwargs={
"bucket": BUCKET,
"object_name": gcs_path_template,
"local_file": local_parquet_path_template,
},
)
rm_task = BashOperator(
task_id="rm_task",
bash_command=f"rm {local_csv_path_template} {local_parquet_path_template}"
)
download_dataset_task >> format_to_parquet_task >> local_to_gcs_task >> rm_task
URL_PREFIX = 'https://s3.amazonaws.com/nyc-tlc/trip+data'
YELLOW_TAXI_URL_TEMPLATE = URL_PREFIX + '/yellow_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.csv'
YELLOW_TAXI_CSV_FILE_TEMPLATE = AIRFLOW_HOME + '/yellow_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.csv'
YELLOW_TAXI_PARQUET_FILE_TEMPLATE = AIRFLOW_HOME + '/yellow_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.parquet'
YELLOW_TAXI_GCS_PATH_TEMPLATE = "raw/yellow_tripdata/{{ execution_date.strftime(\'%Y\') }}/yellow_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.parquet"
yellow_taxi_data_dag = DAG(
dag_id="yellow_taxi_data_v2",
schedule_interval="0 6 2 * *",
start_date=datetime(2019, 1, 1),
default_args=default_args,
catchup=True,
max_active_runs=3,
tags=['dtc-de'],
)
donwload_parquetize_upload_dag(
dag=yellow_taxi_data_dag,
url_template=YELLOW_TAXI_URL_TEMPLATE,
local_csv_path_template=YELLOW_TAXI_CSV_FILE_TEMPLATE,
local_parquet_path_template=YELLOW_TAXI_PARQUET_FILE_TEMPLATE,
gcs_path_template=YELLOW_TAXI_GCS_PATH_TEMPLATE
)
# https://s3.amazonaws.com/nyc-tlc/trip+data/green_tripdata_2021-01.csv
GREEN_TAXI_URL_TEMPLATE = URL_PREFIX + '/green_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.csv'
GREEN_TAXI_CSV_FILE_TEMPLATE = AIRFLOW_HOME + '/green_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.csv'
GREEN_TAXI_PARQUET_FILE_TEMPLATE = AIRFLOW_HOME + '/green_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.parquet'
GREEN_TAXI_GCS_PATH_TEMPLATE = "raw/green_tripdata/{{ execution_date.strftime(\'%Y\') }}/green_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.parquet"
green_taxi_data_dag = DAG(
dag_id="green_taxi_data_v1",
schedule_interval="0 7 2 * *",
start_date=datetime(2019, 1, 1),
default_args=default_args,
catchup=True,
max_active_runs=3,
tags=['dtc-de'],
)
donwload_parquetize_upload_dag(
dag=green_taxi_data_dag,
url_template=GREEN_TAXI_URL_TEMPLATE,
local_csv_path_template=GREEN_TAXI_CSV_FILE_TEMPLATE,
local_parquet_path_template=GREEN_TAXI_PARQUET_FILE_TEMPLATE,
gcs_path_template=GREEN_TAXI_GCS_PATH_TEMPLATE
)
# https://nyc-tlc.s3.amazonaws.com/trip+data/fhv_tripdata_2021-01.csv
FHV_TAXI_URL_TEMPLATE = URL_PREFIX + '/fhv_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.csv'
FHV_TAXI_CSV_FILE_TEMPLATE = AIRFLOW_HOME + '/fhv_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.csv'
FHV_TAXI_PARQUET_FILE_TEMPLATE = AIRFLOW_HOME + '/fhv_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.parquet'
FHV_TAXI_GCS_PATH_TEMPLATE = "raw/fhv_tripdata/{{ execution_date.strftime(\'%Y\') }}/fhv_tripdata_{{ execution_date.strftime(\'%Y-%m\') }}.parquet"
fhv_taxi_data_dag = DAG(
dag_id="hfv_taxi_data_v1",
schedule_interval="0 8 2 * *",
start_date=datetime(2019, 1, 1),
end_date=datetime(2020, 1, 1),
default_args=default_args,
catchup=True,
max_active_runs=3,
tags=['dtc-de'],
)
donwload_parquetize_upload_dag(
dag=fhv_taxi_data_dag,
url_template=FHV_TAXI_URL_TEMPLATE,
local_csv_path_template=FHV_TAXI_CSV_FILE_TEMPLATE,
local_parquet_path_template=FHV_TAXI_PARQUET_FILE_TEMPLATE,
gcs_path_template=FHV_TAXI_GCS_PATH_TEMPLATE
)
# https://s3.amazonaws.com/nyc-tlc/misc/taxi+_zone_lookup.csv
ZONES_URL_TEMPLATE = 'https://s3.amazonaws.com/nyc-tlc/misc/taxi+_zone_lookup.csv'
ZONES_CSV_FILE_TEMPLATE = AIRFLOW_HOME + '/taxi_zone_lookup.csv'
ZONES_PARQUET_FILE_TEMPLATE = AIRFLOW_HOME + '/taxi_zone_lookup.parquet'
ZONES_GCS_PATH_TEMPLATE = "raw/taxi_zone/taxi_zone_lookup.parquet"
zones_data_dag = DAG(
dag_id="zones_data_v1",
schedule_interval="@once",
start_date=days_ago(1),
default_args=default_args,
catchup=True,
max_active_runs=3,
tags=['dtc-de'],
)
donwload_parquetize_upload_dag(
dag=zones_data_dag,
url_template=ZONES_URL_TEMPLATE,
local_csv_path_template=ZONES_CSV_FILE_TEMPLATE,
local_parquet_path_template=ZONES_PARQUET_FILE_TEMPLATE,
gcs_path_template=ZONES_GCS_PATH_TEMPLATE
) | 32.393617 | 156 | 0.665127 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import os
import logging
from airflow import DAG
from airflow.utils.dates import days_ago
from airflow.providers.google.cloud.operators.bigquery import BigQueryCreateExternalTableOperator, BigQueryInsertJobOperator
from airflow.providers.google.cloud.transfers.gcs_to_gcs import GCSToGCSOperator
PROJECT_ID = os.environ.get("GCP_PROJECT_ID")
BUCKET = os.environ.get("GCP_GCS_BUCKET")
path_to_local_home = os.environ.get("AIRFLOW_HOME", "/opt/airflow/")
BIGQUERY_DATASET = os.environ.get("BIGQUERY_DATASET", 'trips_data_all')
DATASET = "tripdata"
COLOUR_RANGE = {'yellow': 'tpep_pickup_datetime', 'green': 'lpep_pickup_datetime'}
INPUT_PART = "raw"
INPUT_FILETYPE = "parquet"
default_args = {
"owner": "airflow",
"start_date": days_ago(1),
"depends_on_past": False,
"retries": 1,
}
# NOTE: DAG declaration - using a Context Manager (an implicit way)
with DAG(
dag_id="gcs_2_bq_dag",
schedule_interval="@daily",
default_args=default_args,
catchup=False,
max_active_runs=1,
tags=['dtc-de'],
) as dag:
for colour, ds_col in COLOUR_RANGE.items():
move_files_gcs_task = GCSToGCSOperator(
task_id=f'move_{colour}_{DATASET}_files_task',
source_bucket=BUCKET,
source_object=f'{INPUT_PART}/{colour}_{DATASET}*.{INPUT_FILETYPE}',
destination_bucket=BUCKET,
destination_object=f'{colour}/{colour}_{DATASET}',
move_object=True
)
bigquery_external_table_task = BigQueryCreateExternalTableOperator(
task_id=f"bq_{colour}_{DATASET}_external_table_task",
table_resource={
"tableReference": {
"projectId": PROJECT_ID,
"datasetId": BIGQUERY_DATASET,
"tableId": f"{colour}_{DATASET}_external_table",
},
"externalDataConfiguration": {
"autodetect": "True",
"sourceFormat": f"{INPUT_FILETYPE.upper()}",
"sourceUris": [f"gs://{BUCKET}/{colour}/*"],
},
},
)
CREATE_BQ_TBL_QUERY = (
f"CREATE OR REPLACE TABLE {BIGQUERY_DATASET}.{colour}_{DATASET} \
PARTITION BY DATE({ds_col}) \
AS \
SELECT * FROM {BIGQUERY_DATASET}.{colour}_{DATASET}_external_table;"
)
# Create a partitioned table from external table
bq_create_partitioned_table_job = BigQueryInsertJobOperator(
task_id=f"bq_create_{colour}_{DATASET}_partitioned_table_task",
configuration={
"query": {
"query": CREATE_BQ_TBL_QUERY,
"useLegacySql": False,
}
}
)
move_files_gcs_task >> bigquery_external_table_task >> bq_create_partitioned_table_job
| 33.890244 | 124 | 0.58951 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | from confluent_kafka import Producer
import argparse
import csv
from typing import Dict
from time import sleep
from settings import CONFLUENT_CLOUD_CONFIG, \
GREEN_TAXI_TOPIC, FHV_TAXI_TOPIC, \
GREEN_TRIP_DATA_PATH, FHV_TRIP_DATA_PATH
class RideCSVProducer:
def __init__(self, probs: Dict, ride_type: str):
self.producer = Producer(**probs)
self.ride_type = ride_type
def parse_row(self, row):
if self.ride_type == 'green':
record = f'{row[5]}, {row[6]}' # PULocationID, DOLocationID
key = str(row[0]) # vendor_id
elif self.ride_type == 'fhv':
record = f'{row[3]}, {row[4]}' # PULocationID, DOLocationID,
key = str(row[0]) # dispatching_base_num
return key, record
def read_records(self, resource_path: str):
records, ride_keys = [], []
with open(resource_path, 'r') as f:
reader = csv.reader(f)
header = next(reader) # skip the header
for row in reader:
key, record = self.parse_row(row)
ride_keys.append(key)
records.append(record)
return zip(ride_keys, records)
def publish(self, records: [str, str], topic: str):
for key_value in records:
key, value = key_value
try:
self.producer.poll(0)
self.producer.produce(topic=topic, key=key, value=value)
print(f"Producing record for <key: {key}, value:{value}>")
except KeyboardInterrupt:
break
except BufferError as bfer:
self.producer.poll(0.1)
except Exception as e:
print(f"Exception while producing record - {value}: {e}")
self.producer.flush()
sleep(10)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Kafka Consumer')
parser.add_argument('--type', type=str, default='green')
args = parser.parse_args()
if args.type == 'green':
kafka_topic = GREEN_TAXI_TOPIC
data_path = GREEN_TRIP_DATA_PATH
elif args.type == 'fhv':
kafka_topic = FHV_TAXI_TOPIC
data_path = FHV_TRIP_DATA_PATH
producer = RideCSVProducer(ride_type=args.type, probs=CONFLUENT_CLOUD_CONFIG)
ride_records = producer.read_records(resource_path=data_path)
producer.publish(records=ride_records, topic=kafka_topic)
| 32.819444 | 81 | 0.587921 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import pyspark.sql.types as T
INPUT_DATA_PATH = '../../resources/rides.csv'
BOOTSTRAP_SERVERS = 'localhost:9092'
TOPIC_WINDOWED_VENDOR_ID_COUNT = 'vendor_counts_windowed'
PRODUCE_TOPIC_RIDES_CSV = CONSUME_TOPIC_RIDES_CSV = 'rides_csv'
RIDE_SCHEMA = T.StructType(
[T.StructField("vendor_id", T.IntegerType()),
T.StructField('tpep_pickup_datetime', T.TimestampType()),
T.StructField('tpep_dropoff_datetime', T.TimestampType()),
T.StructField("passenger_count", T.IntegerType()),
T.StructField("trip_distance", T.FloatType()),
T.StructField("payment_type", T.IntegerType()),
T.StructField("total_amount", T.FloatType()),
])
| 34 | 63 | 0.691265 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | from pyspark.sql import SparkSession
import pyspark.sql.functions as F
from settings import CONFLUENT_CLOUD_CONFIG, GREEN_TAXI_TOPIC, FHV_TAXI_TOPIC, RIDES_TOPIC, ALL_RIDE_SCHEMA
def read_from_kafka(consume_topic: str):
# Spark Streaming DataFrame, connect to Kafka topic served at host in bootrap.servers option
df_stream = spark \
.readStream \
.format("kafka") \
.option("kafka.bootstrap.servers", CONFLUENT_CLOUD_CONFIG['bootstrap.servers']) \
.option("subscribe", consume_topic) \
.option("startingOffsets", "earliest") \
.option("checkpointLocation", "checkpoint") \
.option("kafka.security.protocol", "SASL_SSL") \
.option("kafka.sasl.mechanism", "PLAIN") \
.option("kafka.sasl.jaas.config",
f"""org.apache.kafka.common.security.plain.PlainLoginModule required username="{CONFLUENT_CLOUD_CONFIG['sasl.username']}" password="{CONFLUENT_CLOUD_CONFIG['sasl.password']}";""") \
.option("failOnDataLoss", False) \
.load()
return df_stream
def parse_rides(df, schema):
""" take a Spark Streaming df and parse value col based on <schema>, return streaming df cols in schema """
assert df.isStreaming is True, "DataFrame doesn't receive streaming data"
df = df.selectExpr("CAST(key AS STRING)", "CAST(value AS STRING)")
# split attributes to nested array in one Column
col = F.split(df['value'], ', ')
# expand col to multiple top-level columns
for idx, field in enumerate(schema):
df = df.withColumn(field.name, col.getItem(idx).cast(field.dataType))
df = df.na.drop()
df.printSchema()
return df.select([field.name for field in schema])
def sink_console(df, output_mode: str = 'complete', processing_time: str = '5 seconds'):
query = df.writeStream \
.outputMode(output_mode) \
.trigger(processingTime=processing_time) \
.format("console") \
.option("truncate", False) \
.start() \
.awaitTermination()
return query # pyspark.sql.streaming.StreamingQuery
def sink_kafka(df, topic, output_mode: str = 'complete'):
query = df.writeStream \
.format("kafka") \
.option("kafka.bootstrap.servers", "pkc-75m1o.europe-west3.gcp.confluent.cloud:9092") \
.outputMode(output_mode) \
.option("topic", topic) \
.option("checkpointLocation", "checkpoint") \
.option("kafka.security.protocol", "SASL_SSL") \
.option("kafka.sasl.mechanism", "PLAIN") \
.option("kafka.sasl.jaas.config",
f"""org.apache.kafka.common.security.plain.PlainLoginModule required username="{CONFLUENT_CLOUD_CONFIG['sasl.username']}" password="{CONFLUENT_CLOUD_CONFIG['sasl.password']}";""") \
.option("failOnDataLoss", False) \
.start()
return query
def op_groupby(df, column_names):
df_aggregation = df.groupBy(column_names).count()
return df_aggregation
if __name__ == "__main__":
spark = SparkSession.builder.appName('streaming-homework').getOrCreate()
spark.sparkContext.setLogLevel('WARN')
# Step 1: Consume GREEN_TAXI_TOPIC and FHV_TAXI_TOPIC
df_green_rides = read_from_kafka(consume_topic=GREEN_TAXI_TOPIC)
df_fhv_rides = read_from_kafka(consume_topic=FHV_TAXI_TOPIC)
# Step 2: Publish green and fhv rides to RIDES_TOPIC
kafka_sink_green_query = sink_kafka(df=df_green_rides, topic=RIDES_TOPIC, output_mode='append')
kafka_sink_fhv_query = sink_kafka(df=df_fhv_rides, topic=RIDES_TOPIC, output_mode='append')
# Step 3: Read RIDES_TOPIC and parse it in ALL_RIDE_SCHEMA
df_all_rides = read_from_kafka(consume_topic=RIDES_TOPIC)
df_all_rides = parse_rides(df_all_rides, ALL_RIDE_SCHEMA)
# Step 4: Apply Aggregation on the all_rides
df_pu_location_count = op_groupby(df_all_rides, ['PULocationID'])
df_pu_location_count = df_pu_location_count.sort(F.col('count').desc())
# Step 5: Sink Aggregation Streams to Console
console_sink_pu_location = sink_console(df_pu_location_count, output_mode='complete')
| 39.87 | 197 | 0.666911 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | #!/usr/bin/env python
# coding: utf-8
import os
import argparse
from time import time
import pandas as pd
from sqlalchemy import create_engine
def main(params):
user = params.user
password = params.password
host = params.host
port = params.port
db = params.db
table_name = params.table_name
url = params.url
# the backup files are gzipped, and it's important to keep the correct extension
# for pandas to be able to open the file
if url.endswith('.csv.gz'):
csv_name = 'output.csv.gz'
else:
csv_name = 'output.csv'
os.system(f"wget {url} -O {csv_name}")
engine = create_engine(f'postgresql://{user}:{password}@{host}:{port}/{db}')
df_iter = pd.read_csv(csv_name, iterator=True, chunksize=100000)
df = next(df_iter)
df.tpep_pickup_datetime = pd.to_datetime(df.tpep_pickup_datetime)
df.tpep_dropoff_datetime = pd.to_datetime(df.tpep_dropoff_datetime)
df.head(n=0).to_sql(name=table_name, con=engine, if_exists='replace')
df.to_sql(name=table_name, con=engine, if_exists='append')
while True:
try:
t_start = time()
df = next(df_iter)
df.tpep_pickup_datetime = pd.to_datetime(df.tpep_pickup_datetime)
df.tpep_dropoff_datetime = pd.to_datetime(df.tpep_dropoff_datetime)
df.to_sql(name=table_name, con=engine, if_exists='append')
t_end = time()
print('inserted another chunk, took %.3f second' % (t_end - t_start))
except StopIteration:
print("Finished ingesting data into the postgres database")
break
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Ingest CSV data to Postgres')
parser.add_argument('--user', required=True, help='user name for postgres')
parser.add_argument('--password', required=True, help='password for postgres')
parser.add_argument('--host', required=True, help='host for postgres')
parser.add_argument('--port', required=True, help='port for postgres')
parser.add_argument('--db', required=True, help='database name for postgres')
parser.add_argument('--table_name', required=True, help='name of the table where we will write the results to')
parser.add_argument('--url', required=True, help='url of the csv file')
args = parser.parse_args()
main(args)
| 29.417722 | 115 | 0.642798 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import sys
import pandas as pd
print(sys.argv)
day = sys.argv[1]
# some fancy stuff with pandas
print(f'job finished successfully for day = {day}') | 12.909091 | 51 | 0.723684 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import io
import os
import requests
import pandas as pd
from google.cloud import storage
"""
Pre-reqs:
1. `pip install pandas pyarrow google-cloud-storage`
2. Set GOOGLE_APPLICATION_CREDENTIALS to your project/service-account key
3. Set GCP_GCS_BUCKET as your bucket or change default value of BUCKET
"""
# services = ['fhv','green','yellow']
init_url = 'https://github.com/DataTalksClub/nyc-tlc-data/releases/download/'
# switch out the bucketname
BUCKET = os.environ.get("GCP_GCS_BUCKET", "dtc-data-lake-bucketname")
def upload_to_gcs(bucket, object_name, local_file):
"""
Ref: https://cloud.google.com/storage/docs/uploading-objects#storage-upload-object-python
"""
# # WORKAROUND to prevent timeout for files > 6 MB on 800 kbps upload speed.
# # (Ref: https://github.com/googleapis/python-storage/issues/74)
# storage.blob._MAX_MULTIPART_SIZE = 5 * 1024 * 1024 # 5 MB
# storage.blob._DEFAULT_CHUNKSIZE = 5 * 1024 * 1024 # 5 MB
client = storage.Client()
bucket = client.bucket(bucket)
blob = bucket.blob(object_name)
blob.upload_from_filename(local_file)
def web_to_gcs(year, service):
for i in range(12):
# sets the month part of the file_name string
month = '0'+str(i+1)
month = month[-2:]
# csv file_name
file_name = f"{service}_tripdata_{year}-{month}.csv.gz"
# download it using requests via a pandas df
request_url = f"{init_url}{service}/{file_name}"
r = requests.get(request_url)
open(file_name, 'wb').write(r.content)
print(f"Local: {file_name}")
# read it back into a parquet file
df = pd.read_csv(file_name, compression='gzip')
file_name = file_name.replace('.csv.gz', '.parquet')
df.to_parquet(file_name, engine='pyarrow')
print(f"Parquet: {file_name}")
# upload it to gcs
upload_to_gcs(BUCKET, f"{service}/{file_name}", file_name)
print(f"GCS: {service}/{file_name}")
web_to_gcs('2019', 'green')
web_to_gcs('2020', 'green')
# web_to_gcs('2019', 'yellow')
# web_to_gcs('2020', 'yellow')
| 30.671642 | 93 | 0.642621 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | #!/usr/bin/env python
# coding: utf-8
import argparse
import pyspark
from pyspark.sql import SparkSession
from pyspark.sql import functions as F
parser = argparse.ArgumentParser()
parser.add_argument('--input_green', required=True)
parser.add_argument('--input_yellow', required=True)
parser.add_argument('--output', required=True)
args = parser.parse_args()
input_green = args.input_green
input_yellow = args.input_yellow
output = args.output
spark = SparkSession.builder \
.appName('test') \
.getOrCreate()
df_green = spark.read.parquet(input_green)
df_green = df_green \
.withColumnRenamed('lpep_pickup_datetime', 'pickup_datetime') \
.withColumnRenamed('lpep_dropoff_datetime', 'dropoff_datetime')
df_yellow = spark.read.parquet(input_yellow)
df_yellow = df_yellow \
.withColumnRenamed('tpep_pickup_datetime', 'pickup_datetime') \
.withColumnRenamed('tpep_dropoff_datetime', 'dropoff_datetime')
common_colums = [
'VendorID',
'pickup_datetime',
'dropoff_datetime',
'store_and_fwd_flag',
'RatecodeID',
'PULocationID',
'DOLocationID',
'passenger_count',
'trip_distance',
'fare_amount',
'extra',
'mta_tax',
'tip_amount',
'tolls_amount',
'improvement_surcharge',
'total_amount',
'payment_type',
'congestion_surcharge'
]
df_green_sel = df_green \
.select(common_colums) \
.withColumn('service_type', F.lit('green'))
df_yellow_sel = df_yellow \
.select(common_colums) \
.withColumn('service_type', F.lit('yellow'))
df_trips_data = df_green_sel.unionAll(df_yellow_sel)
df_trips_data.registerTempTable('trips_data')
df_result = spark.sql("""
SELECT
-- Reveneue grouping
PULocationID AS revenue_zone,
date_trunc('month', pickup_datetime) AS revenue_month,
service_type,
-- Revenue calculation
SUM(fare_amount) AS revenue_monthly_fare,
SUM(extra) AS revenue_monthly_extra,
SUM(mta_tax) AS revenue_monthly_mta_tax,
SUM(tip_amount) AS revenue_monthly_tip_amount,
SUM(tolls_amount) AS revenue_monthly_tolls_amount,
SUM(improvement_surcharge) AS revenue_monthly_improvement_surcharge,
SUM(total_amount) AS revenue_monthly_total_amount,
SUM(congestion_surcharge) AS revenue_monthly_congestion_surcharge,
-- Additional calculations
AVG(passenger_count) AS avg_montly_passenger_count,
AVG(trip_distance) AS avg_montly_trip_distance
FROM
trips_data
GROUP BY
1, 2, 3
""")
df_result.coalesce(1) \
.write.parquet(output, mode='overwrite')
| 21.75 | 72 | 0.690224 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | #!/usr/bin/env python
# coding: utf-8
import argparse
import pyspark
from pyspark.sql import SparkSession
from pyspark.sql import functions as F
parser = argparse.ArgumentParser()
parser.add_argument('--input_green', required=True)
parser.add_argument('--input_yellow', required=True)
parser.add_argument('--output', required=True)
args = parser.parse_args()
input_green = args.input_green
input_yellow = args.input_yellow
output = args.output
spark = SparkSession.builder \
.appName('test') \
.getOrCreate()
spark.conf.set('temporaryGcsBucket', 'dataproc-temp-europe-west6-828225226997-fckhkym8')
df_green = spark.read.parquet(input_green)
df_green = df_green \
.withColumnRenamed('lpep_pickup_datetime', 'pickup_datetime') \
.withColumnRenamed('lpep_dropoff_datetime', 'dropoff_datetime')
df_yellow = spark.read.parquet(input_yellow)
df_yellow = df_yellow \
.withColumnRenamed('tpep_pickup_datetime', 'pickup_datetime') \
.withColumnRenamed('tpep_dropoff_datetime', 'dropoff_datetime')
common_colums = [
'VendorID',
'pickup_datetime',
'dropoff_datetime',
'store_and_fwd_flag',
'RatecodeID',
'PULocationID',
'DOLocationID',
'passenger_count',
'trip_distance',
'fare_amount',
'extra',
'mta_tax',
'tip_amount',
'tolls_amount',
'improvement_surcharge',
'total_amount',
'payment_type',
'congestion_surcharge'
]
df_green_sel = df_green \
.select(common_colums) \
.withColumn('service_type', F.lit('green'))
df_yellow_sel = df_yellow \
.select(common_colums) \
.withColumn('service_type', F.lit('yellow'))
df_trips_data = df_green_sel.unionAll(df_yellow_sel)
df_trips_data.registerTempTable('trips_data')
df_result = spark.sql("""
SELECT
-- Reveneue grouping
PULocationID AS revenue_zone,
date_trunc('month', pickup_datetime) AS revenue_month,
service_type,
-- Revenue calculation
SUM(fare_amount) AS revenue_monthly_fare,
SUM(extra) AS revenue_monthly_extra,
SUM(mta_tax) AS revenue_monthly_mta_tax,
SUM(tip_amount) AS revenue_monthly_tip_amount,
SUM(tolls_amount) AS revenue_monthly_tolls_amount,
SUM(improvement_surcharge) AS revenue_monthly_improvement_surcharge,
SUM(total_amount) AS revenue_monthly_total_amount,
SUM(congestion_surcharge) AS revenue_monthly_congestion_surcharge,
-- Additional calculations
AVG(passenger_count) AS avg_montly_passenger_count,
AVG(trip_distance) AS avg_montly_trip_distance
FROM
trips_data
GROUP BY
1, 2, 3
""")
df_result.write.format('bigquery') \
.option('table', output) \
.save()
| 22.069565 | 88 | 0.690422 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import argparse
from typing import Dict, List
from kafka import KafkaConsumer
from settings import BOOTSTRAP_SERVERS, CONSUME_TOPIC_RIDES_CSV
class RideCSVConsumer:
def __init__(self, props: Dict):
self.consumer = KafkaConsumer(**props)
def consume_from_kafka(self, topics: List[str]):
self.consumer.subscribe(topics=topics)
print('Consuming from Kafka started')
print('Available topics to consume: ', self.consumer.subscription())
while True:
try:
# SIGINT can't be handled when polling, limit timeout to 1 second.
msg = self.consumer.poll(1.0)
if msg is None or msg == {}:
continue
for msg_key, msg_values in msg.items():
for msg_val in msg_values:
print(f'Key:{msg_val.key}-type({type(msg_val.key)}), '
f'Value:{msg_val.value}-type({type(msg_val.value)})')
except KeyboardInterrupt:
break
self.consumer.close()
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Kafka Consumer')
parser.add_argument('--topic', type=str, default=CONSUME_TOPIC_RIDES_CSV)
args = parser.parse_args()
topic = args.topic
config = {
'bootstrap_servers': [BOOTSTRAP_SERVERS],
'auto_offset_reset': 'earliest',
'enable_auto_commit': True,
'key_deserializer': lambda key: int(key.decode('utf-8')),
'value_deserializer': lambda value: value.decode('utf-8'),
'group_id': 'consumer.group.id.csv-example.1',
}
csv_consumer = RideCSVConsumer(props=config)
csv_consumer.consume_from_kafka(topics=[topic])
| 35.25 | 83 | 0.59632 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import csv
from time import sleep
from typing import Dict
from kafka import KafkaProducer
from settings import BOOTSTRAP_SERVERS, INPUT_DATA_PATH, PRODUCE_TOPIC_RIDES_CSV
def delivery_report(err, msg):
if err is not None:
print("Delivery failed for record {}: {}".format(msg.key(), err))
return
print('Record {} successfully produced to {} [{}] at offset {}'.format(
msg.key(), msg.topic(), msg.partition(), msg.offset()))
class RideCSVProducer:
def __init__(self, props: Dict):
self.producer = KafkaProducer(**props)
# self.producer = Producer(producer_props)
@staticmethod
def read_records(resource_path: str):
records, ride_keys = [], []
i = 0
with open(resource_path, 'r') as f:
reader = csv.reader(f)
header = next(reader) # skip the header
for row in reader:
# vendor_id, passenger_count, trip_distance, payment_type, total_amount
records.append(f'{row[0]}, {row[1]}, {row[2]}, {row[3]}, {row[4]}, {row[9]}, {row[16]}')
ride_keys.append(str(row[0]))
i += 1
if i == 5:
break
return zip(ride_keys, records)
def publish(self, topic: str, records: [str, str]):
for key_value in records:
key, value = key_value
try:
self.producer.send(topic=topic, key=key, value=value)
print(f"Producing record for <key: {key}, value:{value}>")
except KeyboardInterrupt:
break
except Exception as e:
print(f"Exception while producing record - {value}: {e}")
self.producer.flush()
sleep(1)
if __name__ == "__main__":
config = {
'bootstrap_servers': [BOOTSTRAP_SERVERS],
'key_serializer': lambda x: x.encode('utf-8'),
'value_serializer': lambda x: x.encode('utf-8')
}
producer = RideCSVProducer(props=config)
ride_records = producer.read_records(resource_path=INPUT_DATA_PATH)
print(ride_records)
producer.publish(topic=PRODUCE_TOPIC_RIDES_CSV, records=ride_records)
| 33.571429 | 104 | 0.574644 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | from typing import List, Dict
class RideRecord:
def __init__(self, arr: List[str]):
self.vendor_id = int(arr[0])
self.passenger_count = int(arr[1])
self.trip_distance = float(arr[2])
self.payment_type = int(arr[3])
self.total_amount = float(arr[4])
@classmethod
def from_dict(cls, d: Dict):
return cls(arr=[
d['vendor_id'],
d['passenger_count'],
d['trip_distance'],
d['payment_type'],
d['total_amount']
]
)
def __repr__(self):
return f'{self.__class__.__name__}: {self.__dict__}'
def dict_to_ride_record(obj, ctx):
if obj is None:
return None
return RideRecord.from_dict(obj)
def ride_record_to_dict(ride_record: RideRecord, ctx):
return ride_record.__dict__
| 21.648649 | 60 | 0.540024 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | from typing import Dict
class RideRecordKey:
def __init__(self, vendor_id):
self.vendor_id = vendor_id
@classmethod
def from_dict(cls, d: Dict):
return cls(vendor_id=d['vendor_id'])
def __repr__(self):
return f'{self.__class__.__name__}: {self.__dict__}'
def dict_to_ride_record_key(obj, ctx):
if obj is None:
return None
return RideRecordKey.from_dict(obj)
def ride_record_key_to_dict(ride_record_key: RideRecordKey, ctx):
return ride_record_key.__dict__
| 20.04 | 65 | 0.619048 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | from typing import List, Dict
from decimal import Decimal
from datetime import datetime
class Ride:
def __init__(self, arr: List[str]):
self.vendor_id = arr[0]
self.tpep_pickup_datetime = datetime.strptime(arr[1], "%Y-%m-%d %H:%M:%S"),
self.tpep_dropoff_datetime = datetime.strptime(arr[2], "%Y-%m-%d %H:%M:%S"),
self.passenger_count = int(arr[3])
self.trip_distance = Decimal(arr[4])
self.rate_code_id = int(arr[5])
self.store_and_fwd_flag = arr[6]
self.pu_location_id = int(arr[7])
self.do_location_id = int(arr[8])
self.payment_type = arr[9]
self.fare_amount = Decimal(arr[10])
self.extra = Decimal(arr[11])
self.mta_tax = Decimal(arr[12])
self.tip_amount = Decimal(arr[13])
self.tolls_amount = Decimal(arr[14])
self.improvement_surcharge = Decimal(arr[15])
self.total_amount = Decimal(arr[16])
self.congestion_surcharge = Decimal(arr[17])
@classmethod
def from_dict(cls, d: Dict):
return cls(arr=[
d['vendor_id'],
d['tpep_pickup_datetime'][0],
d['tpep_dropoff_datetime'][0],
d['passenger_count'],
d['trip_distance'],
d['rate_code_id'],
d['store_and_fwd_flag'],
d['pu_location_id'],
d['do_location_id'],
d['payment_type'],
d['fare_amount'],
d['extra'],
d['mta_tax'],
d['tip_amount'],
d['tolls_amount'],
d['improvement_surcharge'],
d['total_amount'],
d['congestion_surcharge'],
]
)
def __repr__(self):
return f'{self.__class__.__name__}: {self.__dict__}'
| 32.396226 | 84 | 0.520068 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import faust
from taxi_rides import TaxiRide
from faust import current_event
app = faust.App('datatalksclub.stream.v3', broker='kafka://localhost:9092', consumer_auto_offset_reset="earliest")
topic = app.topic('datatalkclub.yellow_taxi_ride.json', value_type=TaxiRide)
high_amount_rides = app.topic('datatalks.yellow_taxi_rides.high_amount')
low_amount_rides = app.topic('datatalks.yellow_taxi_rides.low_amount')
@app.agent(topic)
async def process(stream):
async for event in stream:
if event.total_amount >= 40.0:
await current_event().forward(high_amount_rides)
else:
await current_event().forward(low_amount_rides)
if __name__ == '__main__':
app.main()
| 31.318182 | 114 | 0.701408 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import csv
from json import dumps
from kafka import KafkaProducer
from time import sleep
producer = KafkaProducer(bootstrap_servers=['localhost:9092'],
key_serializer=lambda x: dumps(x).encode('utf-8'),
value_serializer=lambda x: dumps(x).encode('utf-8'))
file = open('../../resources/rides.csv')
csvreader = csv.reader(file)
header = next(csvreader)
for row in csvreader:
key = {"vendorId": int(row[0])}
value = {"vendorId": int(row[0]), "passenger_count": int(row[3]), "trip_distance": float(row[4]), "payment_type": int(row[9]), "total_amount": float(row[16])}
producer.send('datatalkclub.yellow_taxi_ride.json', value=value, key=key)
print("producing")
sleep(1) | 36 | 162 | 0.648173 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import faust
from taxi_rides import TaxiRide
app = faust.App('datatalksclub.stream.v2', broker='kafka://localhost:9092')
topic = app.topic('datatalkclub.yellow_taxi_ride.json', value_type=TaxiRide)
@app.agent(topic)
async def start_reading(records):
async for record in records:
print(record)
if __name__ == '__main__':
app.main()
| 19.823529 | 76 | 0.694051 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import faust
from taxi_rides import TaxiRide
app = faust.App('datatalksclub.stream.v2', broker='kafka://localhost:9092')
topic = app.topic('datatalkclub.yellow_taxi_ride.json', value_type=TaxiRide)
vendor_rides = app.Table('vendor_rides', default=int)
@app.agent(topic)
async def process(stream):
async for event in stream.group_by(TaxiRide.vendorId):
vendor_rides[event.vendorId] += 1
if __name__ == '__main__':
app.main()
| 23.833333 | 76 | 0.704036 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | import faust
class TaxiRide(faust.Record, validation=True):
vendorId: str
passenger_count: int
trip_distance: float
payment_type: int
total_amount: float
| 16.7 | 46 | 0.704545 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | from datetime import timedelta
import faust
from taxi_rides import TaxiRide
app = faust.App('datatalksclub.stream.v2', broker='kafka://localhost:9092')
topic = app.topic('datatalkclub.yellow_taxi_ride.json', value_type=TaxiRide)
vendor_rides = app.Table('vendor_rides_windowed', default=int).tumbling(
timedelta(minutes=1),
expires=timedelta(hours=1),
)
@app.agent(topic)
async def process(stream):
async for event in stream.group_by(TaxiRide.vendorId):
vendor_rides[event.vendorId] += 1
if __name__ == '__main__':
app.main()
| 23.26087 | 76 | 0.710952 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Python | from pyspark.sql import SparkSession
import pyspark.sql.functions as F
from settings import RIDE_SCHEMA, CONSUME_TOPIC_RIDES_CSV, TOPIC_WINDOWED_VENDOR_ID_COUNT
def read_from_kafka(consume_topic: str):
# Spark Streaming DataFrame, connect to Kafka topic served at host in bootrap.servers option
df_stream = spark \
.readStream \
.format("kafka") \
.option("kafka.bootstrap.servers", "localhost:9092,broker:29092") \
.option("subscribe", consume_topic) \
.option("startingOffsets", "earliest") \
.option("checkpointLocation", "checkpoint") \
.load()
return df_stream
def parse_ride_from_kafka_message(df, schema):
""" take a Spark Streaming df and parse value col based on <schema>, return streaming df cols in schema """
assert df.isStreaming is True, "DataFrame doesn't receive streaming data"
df = df.selectExpr("CAST(key AS STRING)", "CAST(value AS STRING)")
# split attributes to nested array in one Column
col = F.split(df['value'], ', ')
# expand col to multiple top-level columns
for idx, field in enumerate(schema):
df = df.withColumn(field.name, col.getItem(idx).cast(field.dataType))
return df.select([field.name for field in schema])
def sink_console(df, output_mode: str = 'complete', processing_time: str = '5 seconds'):
write_query = df.writeStream \
.outputMode(output_mode) \
.trigger(processingTime=processing_time) \
.format("console") \
.option("truncate", False) \
.start()
return write_query # pyspark.sql.streaming.StreamingQuery
def sink_memory(df, query_name, query_template):
query_df = df \
.writeStream \
.queryName(query_name) \
.format("memory") \
.start()
query_str = query_template.format(table_name=query_name)
query_results = spark.sql(query_str)
return query_results, query_df
def sink_kafka(df, topic):
write_query = df.writeStream \
.format("kafka") \
.option("kafka.bootstrap.servers", "localhost:9092,broker:29092") \
.outputMode('complete') \
.option("topic", topic) \
.option("checkpointLocation", "checkpoint") \
.start()
return write_query
def prepare_df_to_kafka_sink(df, value_columns, key_column=None):
columns = df.columns
df = df.withColumn("value", F.concat_ws(', ', *value_columns))
if key_column:
df = df.withColumnRenamed(key_column, "key")
df = df.withColumn("key", df.key.cast('string'))
return df.select(['key', 'value'])
def op_groupby(df, column_names):
df_aggregation = df.groupBy(column_names).count()
return df_aggregation
def op_windowed_groupby(df, window_duration, slide_duration):
df_windowed_aggregation = df.groupBy(
F.window(timeColumn=df.tpep_pickup_datetime, windowDuration=window_duration, slideDuration=slide_duration),
df.vendor_id
).count()
return df_windowed_aggregation
if __name__ == "__main__":
spark = SparkSession.builder.appName('streaming-examples').getOrCreate()
spark.sparkContext.setLogLevel('WARN')
# read_streaming data
df_consume_stream = read_from_kafka(consume_topic=CONSUME_TOPIC_RIDES_CSV)
print(df_consume_stream.printSchema())
# parse streaming data
df_rides = parse_ride_from_kafka_message(df_consume_stream, RIDE_SCHEMA)
print(df_rides.printSchema())
sink_console(df_rides, output_mode='append')
df_trip_count_by_vendor_id = op_groupby(df_rides, ['vendor_id'])
df_trip_count_by_pickup_date_vendor_id = op_windowed_groupby(df_rides, window_duration="10 minutes",
slide_duration='5 minutes')
# write the output out to the console for debugging / testing
sink_console(df_trip_count_by_vendor_id)
# write the output to the kafka topic
df_trip_count_messages = prepare_df_to_kafka_sink(df=df_trip_count_by_pickup_date_vendor_id,
value_columns=['count'], key_column='vendor_id')
kafka_sink_query = sink_kafka(df=df_trip_count_messages, topic=TOPIC_WINDOWED_VENDOR_ID_COUNT)
spark.streams.awaitAnyTermination()
| 35.586207 | 115 | 0.65449 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | /**
* Autogenerated by Avro
*
* DO NOT EDIT DIRECTLY
*/
package schemaregistry;
import org.apache.avro.generic.GenericArray;
import org.apache.avro.specific.SpecificData;
import org.apache.avro.util.Utf8;
import org.apache.avro.message.BinaryMessageEncoder;
import org.apache.avro.message.BinaryMessageDecoder;
import org.apache.avro.message.SchemaStore;
@org.apache.avro.specific.AvroGenerated
public class RideRecord extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
private static final long serialVersionUID = 6805437803204402942L;
public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"RideRecord\",\"namespace\":\"schemaregistry\",\"fields\":[{\"name\":\"vendor_id\",\"type\":{\"type\":\"string\",\"avro.java.string\":\"String\"}},{\"name\":\"passenger_count\",\"type\":\"int\"},{\"name\":\"trip_distance\",\"type\":\"double\"}]}");
public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
private static final SpecificData MODEL$ = new SpecificData();
private static final BinaryMessageEncoder<RideRecord> ENCODER =
new BinaryMessageEncoder<>(MODEL$, SCHEMA$);
private static final BinaryMessageDecoder<RideRecord> DECODER =
new BinaryMessageDecoder<>(MODEL$, SCHEMA$);
/**
* Return the BinaryMessageEncoder instance used by this class.
* @return the message encoder used by this class
*/
public static BinaryMessageEncoder<RideRecord> getEncoder() {
return ENCODER;
}
/**
* Return the BinaryMessageDecoder instance used by this class.
* @return the message decoder used by this class
*/
public static BinaryMessageDecoder<RideRecord> getDecoder() {
return DECODER;
}
/**
* Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
* @param resolver a {@link SchemaStore} used to find schemas by fingerprint
* @return a BinaryMessageDecoder instance for this class backed by the given SchemaStore
*/
public static BinaryMessageDecoder<RideRecord> createDecoder(SchemaStore resolver) {
return new BinaryMessageDecoder<>(MODEL$, SCHEMA$, resolver);
}
/**
* Serializes this RideRecord to a ByteBuffer.
* @return a buffer holding the serialized data for this instance
* @throws java.io.IOException if this instance could not be serialized
*/
public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
return ENCODER.encode(this);
}
/**
* Deserializes a RideRecord from a ByteBuffer.
* @param b a byte buffer holding serialized data for an instance of this class
* @return a RideRecord instance decoded from the given buffer
* @throws java.io.IOException if the given bytes could not be deserialized into an instance of this class
*/
public static RideRecord fromByteBuffer(
java.nio.ByteBuffer b) throws java.io.IOException {
return DECODER.decode(b);
}
private java.lang.String vendor_id;
private int passenger_count;
private double trip_distance;
/**
* Default constructor. Note that this does not initialize fields
* to their default values from the schema. If that is desired then
* one should use <code>newBuilder()</code>.
*/
public RideRecord() {}
/**
* All-args constructor.
* @param vendor_id The new value for vendor_id
* @param passenger_count The new value for passenger_count
* @param trip_distance The new value for trip_distance
*/
public RideRecord(java.lang.String vendor_id, java.lang.Integer passenger_count, java.lang.Double trip_distance) {
this.vendor_id = vendor_id;
this.passenger_count = passenger_count;
this.trip_distance = trip_distance;
}
@Override
public org.apache.avro.specific.SpecificData getSpecificData() { return MODEL$; }
@Override
public org.apache.avro.Schema getSchema() { return SCHEMA$; }
// Used by DatumWriter. Applications should not call.
@Override
public java.lang.Object get(int field$) {
switch (field$) {
case 0: return vendor_id;
case 1: return passenger_count;
case 2: return trip_distance;
default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
}
}
// Used by DatumReader. Applications should not call.
@Override
@SuppressWarnings(value="unchecked")
public void put(int field$, java.lang.Object value$) {
switch (field$) {
case 0: vendor_id = value$ != null ? value$.toString() : null; break;
case 1: passenger_count = (java.lang.Integer)value$; break;
case 2: trip_distance = (java.lang.Double)value$; break;
default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
}
}
/**
* Gets the value of the 'vendor_id' field.
* @return The value of the 'vendor_id' field.
*/
public java.lang.String getVendorId() {
return vendor_id;
}
/**
* Sets the value of the 'vendor_id' field.
* @param value the value to set.
*/
public void setVendorId(java.lang.String value) {
this.vendor_id = value;
}
/**
* Gets the value of the 'passenger_count' field.
* @return The value of the 'passenger_count' field.
*/
public int getPassengerCount() {
return passenger_count;
}
/**
* Sets the value of the 'passenger_count' field.
* @param value the value to set.
*/
public void setPassengerCount(int value) {
this.passenger_count = value;
}
/**
* Gets the value of the 'trip_distance' field.
* @return The value of the 'trip_distance' field.
*/
public double getTripDistance() {
return trip_distance;
}
/**
* Sets the value of the 'trip_distance' field.
* @param value the value to set.
*/
public void setTripDistance(double value) {
this.trip_distance = value;
}
/**
* Creates a new RideRecord RecordBuilder.
* @return A new RideRecord RecordBuilder
*/
public static schemaregistry.RideRecord.Builder newBuilder() {
return new schemaregistry.RideRecord.Builder();
}
/**
* Creates a new RideRecord RecordBuilder by copying an existing Builder.
* @param other The existing builder to copy.
* @return A new RideRecord RecordBuilder
*/
public static schemaregistry.RideRecord.Builder newBuilder(schemaregistry.RideRecord.Builder other) {
if (other == null) {
return new schemaregistry.RideRecord.Builder();
} else {
return new schemaregistry.RideRecord.Builder(other);
}
}
/**
* Creates a new RideRecord RecordBuilder by copying an existing RideRecord instance.
* @param other The existing instance to copy.
* @return A new RideRecord RecordBuilder
*/
public static schemaregistry.RideRecord.Builder newBuilder(schemaregistry.RideRecord other) {
if (other == null) {
return new schemaregistry.RideRecord.Builder();
} else {
return new schemaregistry.RideRecord.Builder(other);
}
}
/**
* RecordBuilder for RideRecord instances.
*/
@org.apache.avro.specific.AvroGenerated
public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<RideRecord>
implements org.apache.avro.data.RecordBuilder<RideRecord> {
private java.lang.String vendor_id;
private int passenger_count;
private double trip_distance;
/** Creates a new Builder */
private Builder() {
super(SCHEMA$, MODEL$);
}
/**
* Creates a Builder by copying an existing Builder.
* @param other The existing Builder to copy.
*/
private Builder(schemaregistry.RideRecord.Builder other) {
super(other);
if (isValidValue(fields()[0], other.vendor_id)) {
this.vendor_id = data().deepCopy(fields()[0].schema(), other.vendor_id);
fieldSetFlags()[0] = other.fieldSetFlags()[0];
}
if (isValidValue(fields()[1], other.passenger_count)) {
this.passenger_count = data().deepCopy(fields()[1].schema(), other.passenger_count);
fieldSetFlags()[1] = other.fieldSetFlags()[1];
}
if (isValidValue(fields()[2], other.trip_distance)) {
this.trip_distance = data().deepCopy(fields()[2].schema(), other.trip_distance);
fieldSetFlags()[2] = other.fieldSetFlags()[2];
}
}
/**
* Creates a Builder by copying an existing RideRecord instance
* @param other The existing instance to copy.
*/
private Builder(schemaregistry.RideRecord other) {
super(SCHEMA$, MODEL$);
if (isValidValue(fields()[0], other.vendor_id)) {
this.vendor_id = data().deepCopy(fields()[0].schema(), other.vendor_id);
fieldSetFlags()[0] = true;
}
if (isValidValue(fields()[1], other.passenger_count)) {
this.passenger_count = data().deepCopy(fields()[1].schema(), other.passenger_count);
fieldSetFlags()[1] = true;
}
if (isValidValue(fields()[2], other.trip_distance)) {
this.trip_distance = data().deepCopy(fields()[2].schema(), other.trip_distance);
fieldSetFlags()[2] = true;
}
}
/**
* Gets the value of the 'vendor_id' field.
* @return The value.
*/
public java.lang.String getVendorId() {
return vendor_id;
}
/**
* Sets the value of the 'vendor_id' field.
* @param value The value of 'vendor_id'.
* @return This builder.
*/
public schemaregistry.RideRecord.Builder setVendorId(java.lang.String value) {
validate(fields()[0], value);
this.vendor_id = value;
fieldSetFlags()[0] = true;
return this;
}
/**
* Checks whether the 'vendor_id' field has been set.
* @return True if the 'vendor_id' field has been set, false otherwise.
*/
public boolean hasVendorId() {
return fieldSetFlags()[0];
}
/**
* Clears the value of the 'vendor_id' field.
* @return This builder.
*/
public schemaregistry.RideRecord.Builder clearVendorId() {
vendor_id = null;
fieldSetFlags()[0] = false;
return this;
}
/**
* Gets the value of the 'passenger_count' field.
* @return The value.
*/
public int getPassengerCount() {
return passenger_count;
}
/**
* Sets the value of the 'passenger_count' field.
* @param value The value of 'passenger_count'.
* @return This builder.
*/
public schemaregistry.RideRecord.Builder setPassengerCount(int value) {
validate(fields()[1], value);
this.passenger_count = value;
fieldSetFlags()[1] = true;
return this;
}
/**
* Checks whether the 'passenger_count' field has been set.
* @return True if the 'passenger_count' field has been set, false otherwise.
*/
public boolean hasPassengerCount() {
return fieldSetFlags()[1];
}
/**
* Clears the value of the 'passenger_count' field.
* @return This builder.
*/
public schemaregistry.RideRecord.Builder clearPassengerCount() {
fieldSetFlags()[1] = false;
return this;
}
/**
* Gets the value of the 'trip_distance' field.
* @return The value.
*/
public double getTripDistance() {
return trip_distance;
}
/**
* Sets the value of the 'trip_distance' field.
* @param value The value of 'trip_distance'.
* @return This builder.
*/
public schemaregistry.RideRecord.Builder setTripDistance(double value) {
validate(fields()[2], value);
this.trip_distance = value;
fieldSetFlags()[2] = true;
return this;
}
/**
* Checks whether the 'trip_distance' field has been set.
* @return True if the 'trip_distance' field has been set, false otherwise.
*/
public boolean hasTripDistance() {
return fieldSetFlags()[2];
}
/**
* Clears the value of the 'trip_distance' field.
* @return This builder.
*/
public schemaregistry.RideRecord.Builder clearTripDistance() {
fieldSetFlags()[2] = false;
return this;
}
@Override
@SuppressWarnings("unchecked")
public RideRecord build() {
try {
RideRecord record = new RideRecord();
record.vendor_id = fieldSetFlags()[0] ? this.vendor_id : (java.lang.String) defaultValue(fields()[0]);
record.passenger_count = fieldSetFlags()[1] ? this.passenger_count : (java.lang.Integer) defaultValue(fields()[1]);
record.trip_distance = fieldSetFlags()[2] ? this.trip_distance : (java.lang.Double) defaultValue(fields()[2]);
return record;
} catch (org.apache.avro.AvroMissingFieldException e) {
throw e;
} catch (java.lang.Exception e) {
throw new org.apache.avro.AvroRuntimeException(e);
}
}
}
@SuppressWarnings("unchecked")
private static final org.apache.avro.io.DatumWriter<RideRecord>
WRITER$ = (org.apache.avro.io.DatumWriter<RideRecord>)MODEL$.createDatumWriter(SCHEMA$);
@Override public void writeExternal(java.io.ObjectOutput out)
throws java.io.IOException {
WRITER$.write(this, SpecificData.getEncoder(out));
}
@SuppressWarnings("unchecked")
private static final org.apache.avro.io.DatumReader<RideRecord>
READER$ = (org.apache.avro.io.DatumReader<RideRecord>)MODEL$.createDatumReader(SCHEMA$);
@Override public void readExternal(java.io.ObjectInput in)
throws java.io.IOException {
READER$.read(this, SpecificData.getDecoder(in));
}
@Override protected boolean hasCustomCoders() { return true; }
@Override public void customEncode(org.apache.avro.io.Encoder out)
throws java.io.IOException
{
out.writeString(this.vendor_id);
out.writeInt(this.passenger_count);
out.writeDouble(this.trip_distance);
}
@Override public void customDecode(org.apache.avro.io.ResolvingDecoder in)
throws java.io.IOException
{
org.apache.avro.Schema.Field[] fieldOrder = in.readFieldOrderIfDiff();
if (fieldOrder == null) {
this.vendor_id = in.readString();
this.passenger_count = in.readInt();
this.trip_distance = in.readDouble();
} else {
for (int i = 0; i < 3; i++) {
switch (fieldOrder[i].pos()) {
case 0:
this.vendor_id = in.readString();
break;
case 1:
this.passenger_count = in.readInt();
break;
case 2:
this.trip_distance = in.readDouble();
break;
default:
throw new java.io.IOException("Corrupt ResolvingDecoder.");
}
}
}
}
}
| 29.533473 | 377 | 0.659381 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | /**
* Autogenerated by Avro
*
* DO NOT EDIT DIRECTLY
*/
package schemaregistry;
import org.apache.avro.generic.GenericArray;
import org.apache.avro.specific.SpecificData;
import org.apache.avro.util.Utf8;
import org.apache.avro.message.BinaryMessageEncoder;
import org.apache.avro.message.BinaryMessageDecoder;
import org.apache.avro.message.SchemaStore;
@org.apache.avro.specific.AvroGenerated
public class RideRecordCompatible extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
private static final long serialVersionUID = 7163300507090021229L;
public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"RideRecordCompatible\",\"namespace\":\"schemaregistry\",\"fields\":[{\"name\":\"vendorId\",\"type\":{\"type\":\"string\",\"avro.java.string\":\"String\"}},{\"name\":\"passenger_count\",\"type\":\"int\"},{\"name\":\"trip_distance\",\"type\":\"double\"},{\"name\":\"pu_location_id\",\"type\":[\"null\",\"long\"],\"default\":null}]}");
public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
private static final SpecificData MODEL$ = new SpecificData();
private static final BinaryMessageEncoder<RideRecordCompatible> ENCODER =
new BinaryMessageEncoder<>(MODEL$, SCHEMA$);
private static final BinaryMessageDecoder<RideRecordCompatible> DECODER =
new BinaryMessageDecoder<>(MODEL$, SCHEMA$);
/**
* Return the BinaryMessageEncoder instance used by this class.
* @return the message encoder used by this class
*/
public static BinaryMessageEncoder<RideRecordCompatible> getEncoder() {
return ENCODER;
}
/**
* Return the BinaryMessageDecoder instance used by this class.
* @return the message decoder used by this class
*/
public static BinaryMessageDecoder<RideRecordCompatible> getDecoder() {
return DECODER;
}
/**
* Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
* @param resolver a {@link SchemaStore} used to find schemas by fingerprint
* @return a BinaryMessageDecoder instance for this class backed by the given SchemaStore
*/
public static BinaryMessageDecoder<RideRecordCompatible> createDecoder(SchemaStore resolver) {
return new BinaryMessageDecoder<>(MODEL$, SCHEMA$, resolver);
}
/**
* Serializes this RideRecordCompatible to a ByteBuffer.
* @return a buffer holding the serialized data for this instance
* @throws java.io.IOException if this instance could not be serialized
*/
public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
return ENCODER.encode(this);
}
/**
* Deserializes a RideRecordCompatible from a ByteBuffer.
* @param b a byte buffer holding serialized data for an instance of this class
* @return a RideRecordCompatible instance decoded from the given buffer
* @throws java.io.IOException if the given bytes could not be deserialized into an instance of this class
*/
public static RideRecordCompatible fromByteBuffer(
java.nio.ByteBuffer b) throws java.io.IOException {
return DECODER.decode(b);
}
private java.lang.String vendorId;
private int passenger_count;
private double trip_distance;
private java.lang.Long pu_location_id;
/**
* Default constructor. Note that this does not initialize fields
* to their default values from the schema. If that is desired then
* one should use <code>newBuilder()</code>.
*/
public RideRecordCompatible() {}
/**
* All-args constructor.
* @param vendorId The new value for vendorId
* @param passenger_count The new value for passenger_count
* @param trip_distance The new value for trip_distance
* @param pu_location_id The new value for pu_location_id
*/
public RideRecordCompatible(java.lang.String vendorId, java.lang.Integer passenger_count, java.lang.Double trip_distance, java.lang.Long pu_location_id) {
this.vendorId = vendorId;
this.passenger_count = passenger_count;
this.trip_distance = trip_distance;
this.pu_location_id = pu_location_id;
}
@Override
public org.apache.avro.specific.SpecificData getSpecificData() { return MODEL$; }
@Override
public org.apache.avro.Schema getSchema() { return SCHEMA$; }
// Used by DatumWriter. Applications should not call.
@Override
public java.lang.Object get(int field$) {
switch (field$) {
case 0: return vendorId;
case 1: return passenger_count;
case 2: return trip_distance;
case 3: return pu_location_id;
default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
}
}
// Used by DatumReader. Applications should not call.
@Override
@SuppressWarnings(value="unchecked")
public void put(int field$, java.lang.Object value$) {
switch (field$) {
case 0: vendorId = value$ != null ? value$.toString() : null; break;
case 1: passenger_count = (java.lang.Integer)value$; break;
case 2: trip_distance = (java.lang.Double)value$; break;
case 3: pu_location_id = (java.lang.Long)value$; break;
default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
}
}
/**
* Gets the value of the 'vendorId' field.
* @return The value of the 'vendorId' field.
*/
public java.lang.String getVendorId() {
return vendorId;
}
/**
* Sets the value of the 'vendorId' field.
* @param value the value to set.
*/
public void setVendorId(java.lang.String value) {
this.vendorId = value;
}
/**
* Gets the value of the 'passenger_count' field.
* @return The value of the 'passenger_count' field.
*/
public int getPassengerCount() {
return passenger_count;
}
/**
* Sets the value of the 'passenger_count' field.
* @param value the value to set.
*/
public void setPassengerCount(int value) {
this.passenger_count = value;
}
/**
* Gets the value of the 'trip_distance' field.
* @return The value of the 'trip_distance' field.
*/
public double getTripDistance() {
return trip_distance;
}
/**
* Sets the value of the 'trip_distance' field.
* @param value the value to set.
*/
public void setTripDistance(double value) {
this.trip_distance = value;
}
/**
* Gets the value of the 'pu_location_id' field.
* @return The value of the 'pu_location_id' field.
*/
public java.lang.Long getPuLocationId() {
return pu_location_id;
}
/**
* Sets the value of the 'pu_location_id' field.
* @param value the value to set.
*/
public void setPuLocationId(java.lang.Long value) {
this.pu_location_id = value;
}
/**
* Creates a new RideRecordCompatible RecordBuilder.
* @return A new RideRecordCompatible RecordBuilder
*/
public static schemaregistry.RideRecordCompatible.Builder newBuilder() {
return new schemaregistry.RideRecordCompatible.Builder();
}
/**
* Creates a new RideRecordCompatible RecordBuilder by copying an existing Builder.
* @param other The existing builder to copy.
* @return A new RideRecordCompatible RecordBuilder
*/
public static schemaregistry.RideRecordCompatible.Builder newBuilder(schemaregistry.RideRecordCompatible.Builder other) {
if (other == null) {
return new schemaregistry.RideRecordCompatible.Builder();
} else {
return new schemaregistry.RideRecordCompatible.Builder(other);
}
}
/**
* Creates a new RideRecordCompatible RecordBuilder by copying an existing RideRecordCompatible instance.
* @param other The existing instance to copy.
* @return A new RideRecordCompatible RecordBuilder
*/
public static schemaregistry.RideRecordCompatible.Builder newBuilder(schemaregistry.RideRecordCompatible other) {
if (other == null) {
return new schemaregistry.RideRecordCompatible.Builder();
} else {
return new schemaregistry.RideRecordCompatible.Builder(other);
}
}
/**
* RecordBuilder for RideRecordCompatible instances.
*/
@org.apache.avro.specific.AvroGenerated
public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<RideRecordCompatible>
implements org.apache.avro.data.RecordBuilder<RideRecordCompatible> {
private java.lang.String vendorId;
private int passenger_count;
private double trip_distance;
private java.lang.Long pu_location_id;
/** Creates a new Builder */
private Builder() {
super(SCHEMA$, MODEL$);
}
/**
* Creates a Builder by copying an existing Builder.
* @param other The existing Builder to copy.
*/
private Builder(schemaregistry.RideRecordCompatible.Builder other) {
super(other);
if (isValidValue(fields()[0], other.vendorId)) {
this.vendorId = data().deepCopy(fields()[0].schema(), other.vendorId);
fieldSetFlags()[0] = other.fieldSetFlags()[0];
}
if (isValidValue(fields()[1], other.passenger_count)) {
this.passenger_count = data().deepCopy(fields()[1].schema(), other.passenger_count);
fieldSetFlags()[1] = other.fieldSetFlags()[1];
}
if (isValidValue(fields()[2], other.trip_distance)) {
this.trip_distance = data().deepCopy(fields()[2].schema(), other.trip_distance);
fieldSetFlags()[2] = other.fieldSetFlags()[2];
}
if (isValidValue(fields()[3], other.pu_location_id)) {
this.pu_location_id = data().deepCopy(fields()[3].schema(), other.pu_location_id);
fieldSetFlags()[3] = other.fieldSetFlags()[3];
}
}
/**
* Creates a Builder by copying an existing RideRecordCompatible instance
* @param other The existing instance to copy.
*/
private Builder(schemaregistry.RideRecordCompatible other) {
super(SCHEMA$, MODEL$);
if (isValidValue(fields()[0], other.vendorId)) {
this.vendorId = data().deepCopy(fields()[0].schema(), other.vendorId);
fieldSetFlags()[0] = true;
}
if (isValidValue(fields()[1], other.passenger_count)) {
this.passenger_count = data().deepCopy(fields()[1].schema(), other.passenger_count);
fieldSetFlags()[1] = true;
}
if (isValidValue(fields()[2], other.trip_distance)) {
this.trip_distance = data().deepCopy(fields()[2].schema(), other.trip_distance);
fieldSetFlags()[2] = true;
}
if (isValidValue(fields()[3], other.pu_location_id)) {
this.pu_location_id = data().deepCopy(fields()[3].schema(), other.pu_location_id);
fieldSetFlags()[3] = true;
}
}
/**
* Gets the value of the 'vendorId' field.
* @return The value.
*/
public java.lang.String getVendorId() {
return vendorId;
}
/**
* Sets the value of the 'vendorId' field.
* @param value The value of 'vendorId'.
* @return This builder.
*/
public schemaregistry.RideRecordCompatible.Builder setVendorId(java.lang.String value) {
validate(fields()[0], value);
this.vendorId = value;
fieldSetFlags()[0] = true;
return this;
}
/**
* Checks whether the 'vendorId' field has been set.
* @return True if the 'vendorId' field has been set, false otherwise.
*/
public boolean hasVendorId() {
return fieldSetFlags()[0];
}
/**
* Clears the value of the 'vendorId' field.
* @return This builder.
*/
public schemaregistry.RideRecordCompatible.Builder clearVendorId() {
vendorId = null;
fieldSetFlags()[0] = false;
return this;
}
/**
* Gets the value of the 'passenger_count' field.
* @return The value.
*/
public int getPassengerCount() {
return passenger_count;
}
/**
* Sets the value of the 'passenger_count' field.
* @param value The value of 'passenger_count'.
* @return This builder.
*/
public schemaregistry.RideRecordCompatible.Builder setPassengerCount(int value) {
validate(fields()[1], value);
this.passenger_count = value;
fieldSetFlags()[1] = true;
return this;
}
/**
* Checks whether the 'passenger_count' field has been set.
* @return True if the 'passenger_count' field has been set, false otherwise.
*/
public boolean hasPassengerCount() {
return fieldSetFlags()[1];
}
/**
* Clears the value of the 'passenger_count' field.
* @return This builder.
*/
public schemaregistry.RideRecordCompatible.Builder clearPassengerCount() {
fieldSetFlags()[1] = false;
return this;
}
/**
* Gets the value of the 'trip_distance' field.
* @return The value.
*/
public double getTripDistance() {
return trip_distance;
}
/**
* Sets the value of the 'trip_distance' field.
* @param value The value of 'trip_distance'.
* @return This builder.
*/
public schemaregistry.RideRecordCompatible.Builder setTripDistance(double value) {
validate(fields()[2], value);
this.trip_distance = value;
fieldSetFlags()[2] = true;
return this;
}
/**
* Checks whether the 'trip_distance' field has been set.
* @return True if the 'trip_distance' field has been set, false otherwise.
*/
public boolean hasTripDistance() {
return fieldSetFlags()[2];
}
/**
* Clears the value of the 'trip_distance' field.
* @return This builder.
*/
public schemaregistry.RideRecordCompatible.Builder clearTripDistance() {
fieldSetFlags()[2] = false;
return this;
}
/**
* Gets the value of the 'pu_location_id' field.
* @return The value.
*/
public java.lang.Long getPuLocationId() {
return pu_location_id;
}
/**
* Sets the value of the 'pu_location_id' field.
* @param value The value of 'pu_location_id'.
* @return This builder.
*/
public schemaregistry.RideRecordCompatible.Builder setPuLocationId(java.lang.Long value) {
validate(fields()[3], value);
this.pu_location_id = value;
fieldSetFlags()[3] = true;
return this;
}
/**
* Checks whether the 'pu_location_id' field has been set.
* @return True if the 'pu_location_id' field has been set, false otherwise.
*/
public boolean hasPuLocationId() {
return fieldSetFlags()[3];
}
/**
* Clears the value of the 'pu_location_id' field.
* @return This builder.
*/
public schemaregistry.RideRecordCompatible.Builder clearPuLocationId() {
pu_location_id = null;
fieldSetFlags()[3] = false;
return this;
}
@Override
@SuppressWarnings("unchecked")
public RideRecordCompatible build() {
try {
RideRecordCompatible record = new RideRecordCompatible();
record.vendorId = fieldSetFlags()[0] ? this.vendorId : (java.lang.String) defaultValue(fields()[0]);
record.passenger_count = fieldSetFlags()[1] ? this.passenger_count : (java.lang.Integer) defaultValue(fields()[1]);
record.trip_distance = fieldSetFlags()[2] ? this.trip_distance : (java.lang.Double) defaultValue(fields()[2]);
record.pu_location_id = fieldSetFlags()[3] ? this.pu_location_id : (java.lang.Long) defaultValue(fields()[3]);
return record;
} catch (org.apache.avro.AvroMissingFieldException e) {
throw e;
} catch (java.lang.Exception e) {
throw new org.apache.avro.AvroRuntimeException(e);
}
}
}
@SuppressWarnings("unchecked")
private static final org.apache.avro.io.DatumWriter<RideRecordCompatible>
WRITER$ = (org.apache.avro.io.DatumWriter<RideRecordCompatible>)MODEL$.createDatumWriter(SCHEMA$);
@Override public void writeExternal(java.io.ObjectOutput out)
throws java.io.IOException {
WRITER$.write(this, SpecificData.getEncoder(out));
}
@SuppressWarnings("unchecked")
private static final org.apache.avro.io.DatumReader<RideRecordCompatible>
READER$ = (org.apache.avro.io.DatumReader<RideRecordCompatible>)MODEL$.createDatumReader(SCHEMA$);
@Override public void readExternal(java.io.ObjectInput in)
throws java.io.IOException {
READER$.read(this, SpecificData.getDecoder(in));
}
@Override protected boolean hasCustomCoders() { return true; }
@Override public void customEncode(org.apache.avro.io.Encoder out)
throws java.io.IOException
{
out.writeString(this.vendorId);
out.writeInt(this.passenger_count);
out.writeDouble(this.trip_distance);
if (this.pu_location_id == null) {
out.writeIndex(0);
out.writeNull();
} else {
out.writeIndex(1);
out.writeLong(this.pu_location_id);
}
}
@Override public void customDecode(org.apache.avro.io.ResolvingDecoder in)
throws java.io.IOException
{
org.apache.avro.Schema.Field[] fieldOrder = in.readFieldOrderIfDiff();
if (fieldOrder == null) {
this.vendorId = in.readString();
this.passenger_count = in.readInt();
this.trip_distance = in.readDouble();
if (in.readIndex() != 1) {
in.readNull();
this.pu_location_id = null;
} else {
this.pu_location_id = in.readLong();
}
} else {
for (int i = 0; i < 4; i++) {
switch (fieldOrder[i].pos()) {
case 0:
this.vendorId = in.readString();
break;
case 1:
this.passenger_count = in.readInt();
break;
case 2:
this.trip_distance = in.readDouble();
break;
case 3:
if (in.readIndex() != 1) {
in.readNull();
this.pu_location_id = null;
} else {
this.pu_location_id = in.readLong();
}
break;
default:
throw new java.io.IOException("Corrupt ResolvingDecoder.");
}
}
}
}
}
| 30.317073 | 462 | 0.657858 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | /**
* Autogenerated by Avro
*
* DO NOT EDIT DIRECTLY
*/
package schemaregistry;
import org.apache.avro.generic.GenericArray;
import org.apache.avro.specific.SpecificData;
import org.apache.avro.util.Utf8;
import org.apache.avro.message.BinaryMessageEncoder;
import org.apache.avro.message.BinaryMessageDecoder;
import org.apache.avro.message.SchemaStore;
@org.apache.avro.specific.AvroGenerated
public class RideRecordNoneCompatible extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
private static final long serialVersionUID = -4618980179396772493L;
public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"RideRecordNoneCompatible\",\"namespace\":\"schemaregistry\",\"fields\":[{\"name\":\"vendorId\",\"type\":\"int\"},{\"name\":\"passenger_count\",\"type\":\"int\"},{\"name\":\"trip_distance\",\"type\":\"double\"}]}");
public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
private static final SpecificData MODEL$ = new SpecificData();
private static final BinaryMessageEncoder<RideRecordNoneCompatible> ENCODER =
new BinaryMessageEncoder<>(MODEL$, SCHEMA$);
private static final BinaryMessageDecoder<RideRecordNoneCompatible> DECODER =
new BinaryMessageDecoder<>(MODEL$, SCHEMA$);
/**
* Return the BinaryMessageEncoder instance used by this class.
* @return the message encoder used by this class
*/
public static BinaryMessageEncoder<RideRecordNoneCompatible> getEncoder() {
return ENCODER;
}
/**
* Return the BinaryMessageDecoder instance used by this class.
* @return the message decoder used by this class
*/
public static BinaryMessageDecoder<RideRecordNoneCompatible> getDecoder() {
return DECODER;
}
/**
* Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
* @param resolver a {@link SchemaStore} used to find schemas by fingerprint
* @return a BinaryMessageDecoder instance for this class backed by the given SchemaStore
*/
public static BinaryMessageDecoder<RideRecordNoneCompatible> createDecoder(SchemaStore resolver) {
return new BinaryMessageDecoder<>(MODEL$, SCHEMA$, resolver);
}
/**
* Serializes this RideRecordNoneCompatible to a ByteBuffer.
* @return a buffer holding the serialized data for this instance
* @throws java.io.IOException if this instance could not be serialized
*/
public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
return ENCODER.encode(this);
}
/**
* Deserializes a RideRecordNoneCompatible from a ByteBuffer.
* @param b a byte buffer holding serialized data for an instance of this class
* @return a RideRecordNoneCompatible instance decoded from the given buffer
* @throws java.io.IOException if the given bytes could not be deserialized into an instance of this class
*/
public static RideRecordNoneCompatible fromByteBuffer(
java.nio.ByteBuffer b) throws java.io.IOException {
return DECODER.decode(b);
}
private int vendorId;
private int passenger_count;
private double trip_distance;
/**
* Default constructor. Note that this does not initialize fields
* to their default values from the schema. If that is desired then
* one should use <code>newBuilder()</code>.
*/
public RideRecordNoneCompatible() {}
/**
* All-args constructor.
* @param vendorId The new value for vendorId
* @param passenger_count The new value for passenger_count
* @param trip_distance The new value for trip_distance
*/
public RideRecordNoneCompatible(java.lang.Integer vendorId, java.lang.Integer passenger_count, java.lang.Double trip_distance) {
this.vendorId = vendorId;
this.passenger_count = passenger_count;
this.trip_distance = trip_distance;
}
@Override
public org.apache.avro.specific.SpecificData getSpecificData() { return MODEL$; }
@Override
public org.apache.avro.Schema getSchema() { return SCHEMA$; }
// Used by DatumWriter. Applications should not call.
@Override
public java.lang.Object get(int field$) {
switch (field$) {
case 0: return vendorId;
case 1: return passenger_count;
case 2: return trip_distance;
default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
}
}
// Used by DatumReader. Applications should not call.
@Override
@SuppressWarnings(value="unchecked")
public void put(int field$, java.lang.Object value$) {
switch (field$) {
case 0: vendorId = (java.lang.Integer)value$; break;
case 1: passenger_count = (java.lang.Integer)value$; break;
case 2: trip_distance = (java.lang.Double)value$; break;
default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
}
}
/**
* Gets the value of the 'vendorId' field.
* @return The value of the 'vendorId' field.
*/
public int getVendorId() {
return vendorId;
}
/**
* Sets the value of the 'vendorId' field.
* @param value the value to set.
*/
public void setVendorId(int value) {
this.vendorId = value;
}
/**
* Gets the value of the 'passenger_count' field.
* @return The value of the 'passenger_count' field.
*/
public int getPassengerCount() {
return passenger_count;
}
/**
* Sets the value of the 'passenger_count' field.
* @param value the value to set.
*/
public void setPassengerCount(int value) {
this.passenger_count = value;
}
/**
* Gets the value of the 'trip_distance' field.
* @return The value of the 'trip_distance' field.
*/
public double getTripDistance() {
return trip_distance;
}
/**
* Sets the value of the 'trip_distance' field.
* @param value the value to set.
*/
public void setTripDistance(double value) {
this.trip_distance = value;
}
/**
* Creates a new RideRecordNoneCompatible RecordBuilder.
* @return A new RideRecordNoneCompatible RecordBuilder
*/
public static schemaregistry.RideRecordNoneCompatible.Builder newBuilder() {
return new schemaregistry.RideRecordNoneCompatible.Builder();
}
/**
* Creates a new RideRecordNoneCompatible RecordBuilder by copying an existing Builder.
* @param other The existing builder to copy.
* @return A new RideRecordNoneCompatible RecordBuilder
*/
public static schemaregistry.RideRecordNoneCompatible.Builder newBuilder(schemaregistry.RideRecordNoneCompatible.Builder other) {
if (other == null) {
return new schemaregistry.RideRecordNoneCompatible.Builder();
} else {
return new schemaregistry.RideRecordNoneCompatible.Builder(other);
}
}
/**
* Creates a new RideRecordNoneCompatible RecordBuilder by copying an existing RideRecordNoneCompatible instance.
* @param other The existing instance to copy.
* @return A new RideRecordNoneCompatible RecordBuilder
*/
public static schemaregistry.RideRecordNoneCompatible.Builder newBuilder(schemaregistry.RideRecordNoneCompatible other) {
if (other == null) {
return new schemaregistry.RideRecordNoneCompatible.Builder();
} else {
return new schemaregistry.RideRecordNoneCompatible.Builder(other);
}
}
/**
* RecordBuilder for RideRecordNoneCompatible instances.
*/
@org.apache.avro.specific.AvroGenerated
public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<RideRecordNoneCompatible>
implements org.apache.avro.data.RecordBuilder<RideRecordNoneCompatible> {
private int vendorId;
private int passenger_count;
private double trip_distance;
/** Creates a new Builder */
private Builder() {
super(SCHEMA$, MODEL$);
}
/**
* Creates a Builder by copying an existing Builder.
* @param other The existing Builder to copy.
*/
private Builder(schemaregistry.RideRecordNoneCompatible.Builder other) {
super(other);
if (isValidValue(fields()[0], other.vendorId)) {
this.vendorId = data().deepCopy(fields()[0].schema(), other.vendorId);
fieldSetFlags()[0] = other.fieldSetFlags()[0];
}
if (isValidValue(fields()[1], other.passenger_count)) {
this.passenger_count = data().deepCopy(fields()[1].schema(), other.passenger_count);
fieldSetFlags()[1] = other.fieldSetFlags()[1];
}
if (isValidValue(fields()[2], other.trip_distance)) {
this.trip_distance = data().deepCopy(fields()[2].schema(), other.trip_distance);
fieldSetFlags()[2] = other.fieldSetFlags()[2];
}
}
/**
* Creates a Builder by copying an existing RideRecordNoneCompatible instance
* @param other The existing instance to copy.
*/
private Builder(schemaregistry.RideRecordNoneCompatible other) {
super(SCHEMA$, MODEL$);
if (isValidValue(fields()[0], other.vendorId)) {
this.vendorId = data().deepCopy(fields()[0].schema(), other.vendorId);
fieldSetFlags()[0] = true;
}
if (isValidValue(fields()[1], other.passenger_count)) {
this.passenger_count = data().deepCopy(fields()[1].schema(), other.passenger_count);
fieldSetFlags()[1] = true;
}
if (isValidValue(fields()[2], other.trip_distance)) {
this.trip_distance = data().deepCopy(fields()[2].schema(), other.trip_distance);
fieldSetFlags()[2] = true;
}
}
/**
* Gets the value of the 'vendorId' field.
* @return The value.
*/
public int getVendorId() {
return vendorId;
}
/**
* Sets the value of the 'vendorId' field.
* @param value The value of 'vendorId'.
* @return This builder.
*/
public schemaregistry.RideRecordNoneCompatible.Builder setVendorId(int value) {
validate(fields()[0], value);
this.vendorId = value;
fieldSetFlags()[0] = true;
return this;
}
/**
* Checks whether the 'vendorId' field has been set.
* @return True if the 'vendorId' field has been set, false otherwise.
*/
public boolean hasVendorId() {
return fieldSetFlags()[0];
}
/**
* Clears the value of the 'vendorId' field.
* @return This builder.
*/
public schemaregistry.RideRecordNoneCompatible.Builder clearVendorId() {
fieldSetFlags()[0] = false;
return this;
}
/**
* Gets the value of the 'passenger_count' field.
* @return The value.
*/
public int getPassengerCount() {
return passenger_count;
}
/**
* Sets the value of the 'passenger_count' field.
* @param value The value of 'passenger_count'.
* @return This builder.
*/
public schemaregistry.RideRecordNoneCompatible.Builder setPassengerCount(int value) {
validate(fields()[1], value);
this.passenger_count = value;
fieldSetFlags()[1] = true;
return this;
}
/**
* Checks whether the 'passenger_count' field has been set.
* @return True if the 'passenger_count' field has been set, false otherwise.
*/
public boolean hasPassengerCount() {
return fieldSetFlags()[1];
}
/**
* Clears the value of the 'passenger_count' field.
* @return This builder.
*/
public schemaregistry.RideRecordNoneCompatible.Builder clearPassengerCount() {
fieldSetFlags()[1] = false;
return this;
}
/**
* Gets the value of the 'trip_distance' field.
* @return The value.
*/
public double getTripDistance() {
return trip_distance;
}
/**
* Sets the value of the 'trip_distance' field.
* @param value The value of 'trip_distance'.
* @return This builder.
*/
public schemaregistry.RideRecordNoneCompatible.Builder setTripDistance(double value) {
validate(fields()[2], value);
this.trip_distance = value;
fieldSetFlags()[2] = true;
return this;
}
/**
* Checks whether the 'trip_distance' field has been set.
* @return True if the 'trip_distance' field has been set, false otherwise.
*/
public boolean hasTripDistance() {
return fieldSetFlags()[2];
}
/**
* Clears the value of the 'trip_distance' field.
* @return This builder.
*/
public schemaregistry.RideRecordNoneCompatible.Builder clearTripDistance() {
fieldSetFlags()[2] = false;
return this;
}
@Override
@SuppressWarnings("unchecked")
public RideRecordNoneCompatible build() {
try {
RideRecordNoneCompatible record = new RideRecordNoneCompatible();
record.vendorId = fieldSetFlags()[0] ? this.vendorId : (java.lang.Integer) defaultValue(fields()[0]);
record.passenger_count = fieldSetFlags()[1] ? this.passenger_count : (java.lang.Integer) defaultValue(fields()[1]);
record.trip_distance = fieldSetFlags()[2] ? this.trip_distance : (java.lang.Double) defaultValue(fields()[2]);
return record;
} catch (org.apache.avro.AvroMissingFieldException e) {
throw e;
} catch (java.lang.Exception e) {
throw new org.apache.avro.AvroRuntimeException(e);
}
}
}
@SuppressWarnings("unchecked")
private static final org.apache.avro.io.DatumWriter<RideRecordNoneCompatible>
WRITER$ = (org.apache.avro.io.DatumWriter<RideRecordNoneCompatible>)MODEL$.createDatumWriter(SCHEMA$);
@Override public void writeExternal(java.io.ObjectOutput out)
throws java.io.IOException {
WRITER$.write(this, SpecificData.getEncoder(out));
}
@SuppressWarnings("unchecked")
private static final org.apache.avro.io.DatumReader<RideRecordNoneCompatible>
READER$ = (org.apache.avro.io.DatumReader<RideRecordNoneCompatible>)MODEL$.createDatumReader(SCHEMA$);
@Override public void readExternal(java.io.ObjectInput in)
throws java.io.IOException {
READER$.read(this, SpecificData.getDecoder(in));
}
@Override protected boolean hasCustomCoders() { return true; }
@Override public void customEncode(org.apache.avro.io.Encoder out)
throws java.io.IOException
{
out.writeInt(this.vendorId);
out.writeInt(this.passenger_count);
out.writeDouble(this.trip_distance);
}
@Override public void customDecode(org.apache.avro.io.ResolvingDecoder in)
throws java.io.IOException
{
org.apache.avro.Schema.Field[] fieldOrder = in.readFieldOrderIfDiff();
if (fieldOrder == null) {
this.vendorId = in.readInt();
this.passenger_count = in.readInt();
this.trip_distance = in.readDouble();
} else {
for (int i = 0; i < 3; i++) {
switch (fieldOrder[i].pos()) {
case 0:
this.vendorId = in.readInt();
break;
case 1:
this.passenger_count = in.readInt();
break;
case 2:
this.trip_distance = in.readDouble();
break;
default:
throw new java.io.IOException("Corrupt ResolvingDecoder.");
}
}
}
}
}
| 30.607966 | 344 | 0.675975 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example;
import com.opencsv.CSVReader;
import com.opencsv.exceptions.CsvException;
import io.confluent.kafka.serializers.AbstractKafkaAvroSerDeConfig;
import io.confluent.kafka.serializers.KafkaAvroSerializer;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.streams.StreamsConfig;
import schemaregistry.RideRecord;
import java.io.FileReader;
import java.io.IOException;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.ExecutionException;
import java.util.stream.Collectors;
public class AvroProducer {
private Properties props = new Properties();
public AvroProducer() {
props.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, "pkc-75m1o.europe-west3.gcp.confluent.cloud:9092");
props.put("security.protocol", "SASL_SSL");
props.put("sasl.jaas.config", "org.apache.kafka.common.security.plain.PlainLoginModule required username='"+Secrets.KAFKA_CLUSTER_KEY+"' password='"+Secrets.KAFKA_CLUSTER_SECRET+"';");
props.put("sasl.mechanism", "PLAIN");
props.put("client.dns.lookup", "use_all_dns_ips");
props.put("session.timeout.ms", "45000");
props.put(ProducerConfig.ACKS_CONFIG, "all");
props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringSerializer");
props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, KafkaAvroSerializer.class.getName());
props.put(AbstractKafkaAvroSerDeConfig.SCHEMA_REGISTRY_URL_CONFIG, "https://psrc-kk5gg.europe-west3.gcp.confluent.cloud");
props.put("basic.auth.credentials.source", "USER_INFO");
props.put("basic.auth.user.info", Secrets.SCHEMA_REGISTRY_KEY+":"+Secrets.SCHEMA_REGISTRY_SECRET);
}
public List<RideRecord> getRides() throws IOException, CsvException {
var ridesStream = this.getClass().getResource("/rides.csv");
var reader = new CSVReader(new FileReader(ridesStream.getFile()));
reader.skip(1);
return reader.readAll().stream().map(row ->
RideRecord.newBuilder()
.setVendorId(row[0])
.setTripDistance(Double.parseDouble(row[4]))
.setPassengerCount(Integer.parseInt(row[3]))
.build()
).collect(Collectors.toList());
}
public void publishRides(List<RideRecord> rides) throws ExecutionException, InterruptedException {
KafkaProducer<String, RideRecord> kafkaProducer = new KafkaProducer<>(props);
for (RideRecord ride : rides) {
var record = kafkaProducer.send(new ProducerRecord<>("rides_avro", String.valueOf(ride.getVendorId()), ride), (metadata, exception) -> {
if (exception != null) {
System.out.println(exception.getMessage());
}
});
System.out.println(record.get().offset());
Thread.sleep(500);
}
}
public static void main(String[] args) throws IOException, CsvException, ExecutionException, InterruptedException {
var producer = new AvroProducer();
var rideRecords = producer.getRides();
producer.publishRides(rideRecords);
}
}
| 44.767123 | 192 | 0.688323 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example;
import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.example.data.Ride;
import java.time.Duration;
import java.time.temporal.ChronoUnit;
import java.time.temporal.TemporalUnit;
import java.util.List;
import java.util.Properties;
import io.confluent.kafka.serializers.KafkaJsonDeserializerConfig;
public class JsonConsumer {
private Properties props = new Properties();
private KafkaConsumer<String, Ride> consumer;
public JsonConsumer() {
props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "pkc-75m1o.europe-west3.gcp.confluent.cloud:9092");
props.put("security.protocol", "SASL_SSL");
props.put("sasl.jaas.config", "org.apache.kafka.common.security.plain.PlainLoginModule required username='"+Secrets.KAFKA_CLUSTER_KEY+"' password='"+Secrets.KAFKA_CLUSTER_SECRET+"';");
props.put("sasl.mechanism", "PLAIN");
props.put("client.dns.lookup", "use_all_dns_ips");
props.put("session.timeout.ms", "45000");
props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer");
props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, "io.confluent.kafka.serializers.KafkaJsonDeserializer");
props.put(ConsumerConfig.GROUP_ID_CONFIG, "kafka_tutorial_example.jsonconsumer.v2");
props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
props.put(KafkaJsonDeserializerConfig.JSON_VALUE_TYPE, Ride.class);
consumer = new KafkaConsumer<String, Ride>(props);
consumer.subscribe(List.of("rides"));
}
public void consumeFromKafka() {
System.out.println("Consuming form kafka started");
var results = consumer.poll(Duration.of(1, ChronoUnit.SECONDS));
var i = 0;
do {
for(ConsumerRecord<String, Ride> result: results) {
System.out.println(result.value().DOLocationID);
}
results = consumer.poll(Duration.of(1, ChronoUnit.SECONDS));
System.out.println("RESULTS:::" + results.count());
i++;
}
while(!results.isEmpty() || i < 10);
}
public static void main(String[] args) {
JsonConsumer jsonConsumer = new JsonConsumer();
jsonConsumer.consumeFromKafka();
}
}
| 42.631579 | 192 | 0.697104 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example;
import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.KafkaStreams;
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.StreamsConfig;
import org.apache.kafka.streams.Topology;
import org.apache.kafka.streams.kstream.Consumed;
import org.apache.kafka.streams.kstream.Produced;
import org.example.customserdes.CustomSerdes;
import org.example.data.Ride;
import java.util.Properties;
public class JsonKStream {
private Properties props = new Properties();
public JsonKStream() {
props.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, "pkc-75m1o.europe-west3.gcp.confluent.cloud:9092");
props.put("security.protocol", "SASL_SSL");
props.put("sasl.jaas.config", "org.apache.kafka.common.security.plain.PlainLoginModule required username='"+Secrets.KAFKA_CLUSTER_KEY+"' password='"+Secrets.KAFKA_CLUSTER_SECRET+"';");
props.put("sasl.mechanism", "PLAIN");
props.put("client.dns.lookup", "use_all_dns_ips");
props.put("session.timeout.ms", "45000");
props.put(StreamsConfig.APPLICATION_ID_CONFIG, "kafka_tutorial.kstream.count.plocation.v1");
props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "latest");
props.put(StreamsConfig.CACHE_MAX_BYTES_BUFFERING_CONFIG, 0);
}
public Topology createTopology() {
StreamsBuilder streamsBuilder = new StreamsBuilder();
var ridesStream = streamsBuilder.stream("rides", Consumed.with(Serdes.String(), CustomSerdes.getSerde(Ride.class)));
var puLocationCount = ridesStream.groupByKey().count().toStream();
puLocationCount.to("rides-pulocation-count", Produced.with(Serdes.String(), Serdes.Long()));
return streamsBuilder.build();
}
public void countPLocation() throws InterruptedException {
var topology = createTopology();
var kStreams = new KafkaStreams(topology, props);
kStreams.start();
while (kStreams.state() != KafkaStreams.State.RUNNING) {
System.out.println(kStreams.state());
Thread.sleep(1000);
}
System.out.println(kStreams.state());
Runtime.getRuntime().addShutdownHook(new Thread(kStreams::close));
}
public static void main(String[] args) throws InterruptedException {
var object = new JsonKStream();
object.countPLocation();
}
}
| 42.175439 | 192 | 0.707724 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example;
import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.KafkaStreams;
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.StreamsConfig;
import org.apache.kafka.streams.Topology;
import org.apache.kafka.streams.errors.StreamsUncaughtExceptionHandler;
import org.apache.kafka.streams.kstream.*;
import org.example.customserdes.CustomSerdes;
import org.example.data.PickupLocation;
import org.example.data.Ride;
import org.example.data.VendorInfo;
import java.time.Duration;
import java.util.Optional;
import java.util.Properties;
public class JsonKStreamJoins {
private Properties props = new Properties();
public JsonKStreamJoins() {
props.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, "pkc-75m1o.europe-west3.gcp.confluent.cloud:9092");
props.put("security.protocol", "SASL_SSL");
props.put("sasl.jaas.config", "org.apache.kafka.common.security.plain.PlainLoginModule required username='"+Secrets.KAFKA_CLUSTER_KEY+"' password='"+Secrets.KAFKA_CLUSTER_SECRET+"';");
props.put("sasl.mechanism", "PLAIN");
props.put("client.dns.lookup", "use_all_dns_ips");
props.put("session.timeout.ms", "45000");
props.put(StreamsConfig.APPLICATION_ID_CONFIG, "kafka_tutorial.kstream.joined.rides.pickuplocation.v1");
props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "latest");
props.put(StreamsConfig.CACHE_MAX_BYTES_BUFFERING_CONFIG, 0);
}
public Topology createTopology() {
StreamsBuilder streamsBuilder = new StreamsBuilder();
KStream<String, Ride> rides = streamsBuilder.stream(Topics.INPUT_RIDE_TOPIC, Consumed.with(Serdes.String(), CustomSerdes.getSerde(Ride.class)));
KStream<String, PickupLocation> pickupLocations = streamsBuilder.stream(Topics.INPUT_RIDE_LOCATION_TOPIC, Consumed.with(Serdes.String(), CustomSerdes.getSerde(PickupLocation.class)));
var pickupLocationsKeyedOnPUId = pickupLocations.selectKey((key, value) -> String.valueOf(value.PULocationID));
var joined = rides.join(pickupLocationsKeyedOnPUId, (ValueJoiner<Ride, PickupLocation, Optional<VendorInfo>>) (ride, pickupLocation) -> {
var period = Duration.between(ride.tpep_dropoff_datetime, pickupLocation.tpep_pickup_datetime);
if (period.abs().toMinutes() > 10) return Optional.empty();
else return Optional.of(new VendorInfo(ride.VendorID, pickupLocation.PULocationID, pickupLocation.tpep_pickup_datetime, ride.tpep_dropoff_datetime));
}, JoinWindows.ofTimeDifferenceAndGrace(Duration.ofMinutes(20), Duration.ofMinutes(5)),
StreamJoined.with(Serdes.String(), CustomSerdes.getSerde(Ride.class), CustomSerdes.getSerde(PickupLocation.class)));
joined.filter(((key, value) -> value.isPresent())).mapValues(Optional::get)
.to(Topics.OUTPUT_TOPIC, Produced.with(Serdes.String(), CustomSerdes.getSerde(VendorInfo.class)));
return streamsBuilder.build();
}
public void joinRidesPickupLocation() throws InterruptedException {
var topology = createTopology();
var kStreams = new KafkaStreams(topology, props);
kStreams.setUncaughtExceptionHandler(exception -> {
System.out.println(exception.getMessage());
return StreamsUncaughtExceptionHandler.StreamThreadExceptionResponse.SHUTDOWN_APPLICATION;
});
kStreams.start();
while (kStreams.state() != KafkaStreams.State.RUNNING) {
System.out.println(kStreams.state());
Thread.sleep(1000);
}
System.out.println(kStreams.state());
Runtime.getRuntime().addShutdownHook(new Thread(kStreams::close));
}
public static void main(String[] args) throws InterruptedException {
var object = new JsonKStreamJoins();
object.joinRidesPickupLocation();
}
}
| 50.922078 | 192 | 0.718039 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example;
import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.KafkaStreams;
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.StreamsConfig;
import org.apache.kafka.streams.Topology;
import org.apache.kafka.streams.kstream.Consumed;
import org.apache.kafka.streams.kstream.Produced;
import org.apache.kafka.streams.kstream.TimeWindows;
import org.apache.kafka.streams.kstream.WindowedSerdes;
import org.example.customserdes.CustomSerdes;
import org.example.data.Ride;
import java.time.Duration;
import java.time.temporal.ChronoUnit;
import java.util.Properties;
public class JsonKStreamWindow {
private Properties props = new Properties();
public JsonKStreamWindow() {
props.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, "pkc-75m1o.europe-west3.gcp.confluent.cloud:9092");
props.put("security.protocol", "SASL_SSL");
props.put("sasl.jaas.config", "org.apache.kafka.common.security.plain.PlainLoginModule required username='"+Secrets.KAFKA_CLUSTER_KEY+"' password='"+Secrets.KAFKA_CLUSTER_SECRET+"';");
props.put("sasl.mechanism", "PLAIN");
props.put("client.dns.lookup", "use_all_dns_ips");
props.put("session.timeout.ms", "45000");
props.put(StreamsConfig.APPLICATION_ID_CONFIG, "kafka_tutorial.kstream.count.plocation.v1");
props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "latest");
props.put(StreamsConfig.CACHE_MAX_BYTES_BUFFERING_CONFIG, 0);
}
public Topology createTopology() {
StreamsBuilder streamsBuilder = new StreamsBuilder();
var ridesStream = streamsBuilder.stream("rides", Consumed.with(Serdes.String(), CustomSerdes.getSerde(Ride.class)));
var puLocationCount = ridesStream.groupByKey()
.windowedBy(TimeWindows.ofSizeAndGrace(Duration.ofSeconds(10), Duration.ofSeconds(5)))
.count().toStream();
var windowSerde = WindowedSerdes.timeWindowedSerdeFrom(String.class, 10*1000);
puLocationCount.to("rides-pulocation-window-count", Produced.with(windowSerde, Serdes.Long()));
return streamsBuilder.build();
}
public void countPLocationWindowed() {
var topology = createTopology();
var kStreams = new KafkaStreams(topology, props);
kStreams.start();
Runtime.getRuntime().addShutdownHook(new Thread(kStreams::close));
}
public static void main(String[] args) {
var object = new JsonKStreamWindow();
object.countPLocationWindowed();
}
}
| 41.983607 | 192 | 0.724151 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example;
import com.opencsv.CSVReader;
import com.opencsv.exceptions.CsvException;
import org.apache.kafka.clients.producer.*;
import org.apache.kafka.streams.StreamsConfig;
import org.example.data.Ride;
import java.io.FileReader;
import java.io.IOException;
import java.time.LocalDateTime;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.ExecutionException;
import java.util.stream.Collectors;
public class JsonProducer {
private Properties props = new Properties();
public JsonProducer() {
props.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, "pkc-75m1o.europe-west3.gcp.confluent.cloud:9092");
props.put("security.protocol", "SASL_SSL");
props.put("sasl.jaas.config", "org.apache.kafka.common.security.plain.PlainLoginModule required username='"+Secrets.KAFKA_CLUSTER_KEY+"' password='"+Secrets.KAFKA_CLUSTER_SECRET+"';");
props.put("sasl.mechanism", "PLAIN");
props.put("client.dns.lookup", "use_all_dns_ips");
props.put("session.timeout.ms", "45000");
props.put(ProducerConfig.ACKS_CONFIG, "all");
props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringSerializer");
props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, "io.confluent.kafka.serializers.KafkaJsonSerializer");
}
public List<Ride> getRides() throws IOException, CsvException {
var ridesStream = this.getClass().getResource("/rides.csv");
var reader = new CSVReader(new FileReader(ridesStream.getFile()));
reader.skip(1);
return reader.readAll().stream().map(arr -> new Ride(arr))
.collect(Collectors.toList());
}
public void publishRides(List<Ride> rides) throws ExecutionException, InterruptedException {
KafkaProducer<String, Ride> kafkaProducer = new KafkaProducer<String, Ride>(props);
for(Ride ride: rides) {
ride.tpep_pickup_datetime = LocalDateTime.now().minusMinutes(20);
ride.tpep_dropoff_datetime = LocalDateTime.now();
var record = kafkaProducer.send(new ProducerRecord<>("rides", String.valueOf(ride.DOLocationID), ride), (metadata, exception) -> {
if(exception != null) {
System.out.println(exception.getMessage());
}
});
System.out.println(record.get().offset());
System.out.println(ride.DOLocationID);
Thread.sleep(500);
}
}
public static void main(String[] args) throws IOException, CsvException, ExecutionException, InterruptedException {
var producer = new JsonProducer();
var rides = producer.getRides();
producer.publishRides(rides);
}
} | 44.278689 | 192 | 0.682361 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example;
import com.opencsv.exceptions.CsvException;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.example.data.PickupLocation;
import java.io.IOException;
import java.time.LocalDateTime;
import java.util.Properties;
import java.util.concurrent.ExecutionException;
public class JsonProducerPickupLocation {
private Properties props = new Properties();
public JsonProducerPickupLocation() {
props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, "pkc-75m1o.europe-west3.gcp.confluent.cloud:9092");
props.put("security.protocol", "SASL_SSL");
props.put("sasl.jaas.config", "org.apache.kafka.common.security.plain.PlainLoginModule required username='"+Secrets.KAFKA_CLUSTER_KEY+"' password='"+Secrets.KAFKA_CLUSTER_SECRET+"';");
props.put("sasl.mechanism", "PLAIN");
props.put("client.dns.lookup", "use_all_dns_ips");
props.put("session.timeout.ms", "45000");
props.put(ProducerConfig.ACKS_CONFIG, "all");
props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringSerializer");
props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, "io.confluent.kafka.serializers.KafkaJsonSerializer");
}
public void publish(PickupLocation pickupLocation) throws ExecutionException, InterruptedException {
KafkaProducer<String, PickupLocation> kafkaProducer = new KafkaProducer<String, PickupLocation>(props);
var record = kafkaProducer.send(new ProducerRecord<>("rides_location", String.valueOf(pickupLocation.PULocationID), pickupLocation), (metadata, exception) -> {
if (exception != null) {
System.out.println(exception.getMessage());
}
});
System.out.println(record.get().offset());
}
public static void main(String[] args) throws IOException, CsvException, ExecutionException, InterruptedException {
var producer = new JsonProducerPickupLocation();
producer.publish(new PickupLocation(186, LocalDateTime.now()));
}
}
| 47.577778 | 192 | 0.730892 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example;
public class Secrets {
public static final String KAFKA_CLUSTER_KEY = "REPLACE_WITH_YOUR_KAFKA_CLUSTER_KEY";
public static final String KAFKA_CLUSTER_SECRET = "REPLACE_WITH_YOUR_KAFKA_CLUSTER_SECRET";
public static final String SCHEMA_REGISTRY_KEY = "REPLACE_WITH_SCHEMA_REGISTRY_KEY";
public static final String SCHEMA_REGISTRY_SECRET = "REPLACE_WITH_SCHEMA_REGISTRY_SECRET";
}
| 37.181818 | 95 | 0.761337 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example;
public class Topics {
public static final String INPUT_RIDE_TOPIC = "rides";
public static final String INPUT_RIDE_LOCATION_TOPIC = "rides_location";
public static final String OUTPUT_TOPIC = "vendor_info";
}
| 29.5 | 76 | 0.73251 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example.customserdes;
import io.confluent.kafka.serializers.AbstractKafkaAvroSerDeConfig;
import io.confluent.kafka.serializers.KafkaJsonDeserializer;
import io.confluent.kafka.serializers.KafkaJsonSerializer;
import io.confluent.kafka.streams.serdes.avro.SpecificAvroSerde;
import org.apache.avro.specific.SpecificRecordBase;
import org.apache.kafka.common.serialization.Deserializer;
import org.apache.kafka.common.serialization.Serde;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.common.serialization.Serializer;
import org.example.data.PickupLocation;
import org.example.data.Ride;
import org.example.data.VendorInfo;
import java.util.HashMap;
import java.util.Map;
public class CustomSerdes {
public static <T> Serde<T> getSerde(Class<T> classOf) {
Map<String, Object> serdeProps = new HashMap<>();
serdeProps.put("json.value.type", classOf);
final Serializer<T> mySerializer = new KafkaJsonSerializer<>();
mySerializer.configure(serdeProps, false);
final Deserializer<T> myDeserializer = new KafkaJsonDeserializer<>();
myDeserializer.configure(serdeProps, false);
return Serdes.serdeFrom(mySerializer, myDeserializer);
}
public static <T extends SpecificRecordBase> SpecificAvroSerde getAvroSerde(boolean isKey, String schemaRegistryUrl) {
var serde = new SpecificAvroSerde<T>();
Map<String, Object> serdeProps = new HashMap<>();
serdeProps.put(AbstractKafkaAvroSerDeConfig.SCHEMA_REGISTRY_URL_CONFIG, schemaRegistryUrl);
serde.configure(serdeProps, isKey);
return serde;
}
}
| 37.325581 | 122 | 0.763206 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example.data;
import java.time.LocalDateTime;
public class PickupLocation {
public PickupLocation(long PULocationID, LocalDateTime tpep_pickup_datetime) {
this.PULocationID = PULocationID;
this.tpep_pickup_datetime = tpep_pickup_datetime;
}
public PickupLocation() {
}
public long PULocationID;
public LocalDateTime tpep_pickup_datetime;
}
| 22.352941 | 82 | 0.724747 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example.data;
import java.nio.DoubleBuffer;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
public class Ride {
public Ride(String[] arr) {
VendorID = arr[0];
tpep_pickup_datetime = LocalDateTime.parse(arr[1], DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
tpep_dropoff_datetime = LocalDateTime.parse(arr[2], DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
passenger_count = Integer.parseInt(arr[3]);
trip_distance = Double.parseDouble(arr[4]);
RatecodeID = Long.parseLong(arr[5]);
store_and_fwd_flag = arr[6];
PULocationID = Long.parseLong(arr[7]);
DOLocationID = Long.parseLong(arr[8]);
payment_type = arr[9];
fare_amount = Double.parseDouble(arr[10]);
extra = Double.parseDouble(arr[11]);
mta_tax = Double.parseDouble(arr[12]);
tip_amount = Double.parseDouble(arr[13]);
tolls_amount = Double.parseDouble(arr[14]);
improvement_surcharge = Double.parseDouble(arr[15]);
total_amount = Double.parseDouble(arr[16]);
congestion_surcharge = Double.parseDouble(arr[17]);
}
public Ride(){}
public String VendorID;
public LocalDateTime tpep_pickup_datetime;
public LocalDateTime tpep_dropoff_datetime;
public int passenger_count;
public double trip_distance;
public long RatecodeID;
public String store_and_fwd_flag;
public long PULocationID;
public long DOLocationID;
public String payment_type;
public double fare_amount;
public double extra;
public double mta_tax;
public double tip_amount;
public double tolls_amount;
public double improvement_surcharge;
public double total_amount;
public double congestion_surcharge;
}
| 35.56 | 112 | 0.681445 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example.data;
import java.time.LocalDateTime;
public class VendorInfo {
public VendorInfo(String vendorID, long PULocationID, LocalDateTime pickupTime, LocalDateTime lastDropoffTime) {
VendorID = vendorID;
this.PULocationID = PULocationID;
this.pickupTime = pickupTime;
this.lastDropoffTime = lastDropoffTime;
}
public VendorInfo() {
}
public String VendorID;
public long PULocationID;
public LocalDateTime pickupTime;
public LocalDateTime lastDropoffTime;
}
| 23.590909 | 116 | 0.72037 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example;
import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.common.internals.Topic;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.*;
import org.example.customserdes.CustomSerdes;
import org.example.data.PickupLocation;
import org.example.data.Ride;
import org.example.data.VendorInfo;
import org.example.helper.DataGeneratorHelper;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import javax.xml.crypto.Data;
import java.util.Properties;
import static org.junit.jupiter.api.Assertions.*;
class JsonKStreamJoinsTest {
private Properties props = new Properties();
private static TopologyTestDriver testDriver;
private TestInputTopic<String, Ride> ridesTopic;
private TestInputTopic<String, PickupLocation> pickLocationTopic;
private TestOutputTopic<String, VendorInfo> outputTopic;
private Topology topology = new JsonKStreamJoins().createTopology();
@BeforeEach
public void setup() {
props = new Properties();
props.setProperty(StreamsConfig.APPLICATION_ID_CONFIG, "testing_count_application");
props.setProperty(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, "dummy:1234");
if (testDriver != null) {
testDriver.close();
}
testDriver = new TopologyTestDriver(topology, props);
ridesTopic = testDriver.createInputTopic(Topics.INPUT_RIDE_TOPIC, Serdes.String().serializer(), CustomSerdes.getSerde(Ride.class).serializer());
pickLocationTopic = testDriver.createInputTopic(Topics.INPUT_RIDE_LOCATION_TOPIC, Serdes.String().serializer(), CustomSerdes.getSerde(PickupLocation.class).serializer());
outputTopic = testDriver.createOutputTopic(Topics.OUTPUT_TOPIC, Serdes.String().deserializer(), CustomSerdes.getSerde(VendorInfo.class).deserializer());
}
@Test
public void testIfJoinWorksOnSameDropOffPickupLocationId() {
Ride ride = DataGeneratorHelper.generateRide();
PickupLocation pickupLocation = DataGeneratorHelper.generatePickUpLocation(ride.DOLocationID);
ridesTopic.pipeInput(String.valueOf(ride.DOLocationID), ride);
pickLocationTopic.pipeInput(String.valueOf(pickupLocation.PULocationID), pickupLocation);
assertEquals(outputTopic.getQueueSize(), 1);
var expected = new VendorInfo(ride.VendorID, pickupLocation.PULocationID, pickupLocation.tpep_pickup_datetime, ride.tpep_dropoff_datetime);
var result = outputTopic.readKeyValue();
assertEquals(result.key, String.valueOf(ride.DOLocationID));
assertEquals(result.value.VendorID, expected.VendorID);
assertEquals(result.value.pickupTime, expected.pickupTime);
}
@AfterAll
public static void shutdown() {
testDriver.close();
}
} | 44.460317 | 178 | 0.754803 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.*;
import org.example.customserdes.CustomSerdes;
import org.example.data.Ride;
import org.example.helper.DataGeneratorHelper;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
import java.util.Properties;
class JsonKStreamTest {
private Properties props;
private static TopologyTestDriver testDriver;
private TestInputTopic<String, Ride> inputTopic;
private TestOutputTopic<String, Long> outputTopic;
private Topology topology = new JsonKStream().createTopology();
@BeforeEach
public void setup() {
props = new Properties();
props.setProperty(StreamsConfig.APPLICATION_ID_CONFIG, "testing_count_application");
props.setProperty(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, "dummy:1234");
if (testDriver != null) {
testDriver.close();
}
testDriver = new TopologyTestDriver(topology, props);
inputTopic = testDriver.createInputTopic("rides", Serdes.String().serializer(), CustomSerdes.getSerde(Ride.class).serializer());
outputTopic = testDriver.createOutputTopic("rides-pulocation-count", Serdes.String().deserializer(), Serdes.Long().deserializer());
}
@Test
public void testIfOneMessageIsPassedToInputTopicWeGetCountOfOne() {
Ride ride = DataGeneratorHelper.generateRide();
inputTopic.pipeInput(String.valueOf(ride.DOLocationID), ride);
assertEquals(outputTopic.readKeyValue(), KeyValue.pair(String.valueOf(ride.DOLocationID), 1L));
assertTrue(outputTopic.isEmpty());
}
@Test
public void testIfTwoMessageArePassedWithDifferentKey() {
Ride ride1 = DataGeneratorHelper.generateRide();
ride1.DOLocationID = 100L;
inputTopic.pipeInput(String.valueOf(ride1.DOLocationID), ride1);
Ride ride2 = DataGeneratorHelper.generateRide();
ride2.DOLocationID = 200L;
inputTopic.pipeInput(String.valueOf(ride2.DOLocationID), ride2);
assertEquals(outputTopic.readKeyValue(), KeyValue.pair(String.valueOf(ride1.DOLocationID), 1L));
assertEquals(outputTopic.readKeyValue(), KeyValue.pair(String.valueOf(ride2.DOLocationID), 1L));
assertTrue(outputTopic.isEmpty());
}
@Test
public void testIfTwoMessageArePassedWithSameKey() {
Ride ride1 = DataGeneratorHelper.generateRide();
ride1.DOLocationID = 100L;
inputTopic.pipeInput(String.valueOf(ride1.DOLocationID), ride1);
Ride ride2 = DataGeneratorHelper.generateRide();
ride2.DOLocationID = 100L;
inputTopic.pipeInput(String.valueOf(ride2.DOLocationID), ride2);
assertEquals(outputTopic.readKeyValue(), KeyValue.pair("100", 1L));
assertEquals(outputTopic.readKeyValue(), KeyValue.pair("100", 2L));
assertTrue(outputTopic.isEmpty());
}
@AfterAll
public static void tearDown() {
testDriver.close();
}
} | 37.7375 | 139 | 0.715623 |
data-engineering-zoomcamp | https://github.com/DataTalksClub/data-engineering-zoomcamp | Free Data Engineering course! | 15,757 | 3,602 | 2023-12-05 01:08:47+00:00 | 2021-10-21 09:32:50+00:00 | 1,561 | null | Java | package org.example.helper;
import org.example.data.PickupLocation;
import org.example.data.Ride;
import org.example.data.VendorInfo;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.List;
public class DataGeneratorHelper {
public static Ride generateRide() {
var arrivalTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
var departureTime = LocalDateTime.now().minusMinutes(30).format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
return new Ride(new String[]{"1", departureTime, arrivalTime,"1","1.50","1","N","238","75","2","8","0.5","0.5","0","0","0.3","9.3","0"});
}
public static PickupLocation generatePickUpLocation(long pickupLocationId) {
return new PickupLocation(pickupLocationId, LocalDateTime.now());
}
}
| 38 | 145 | 0.715286 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | from datetime import datetime, timedelta
from airflow import DAG
from airflow.operators.dummy_operator import DummyOperator
from airflow.operators import LoadDimensionOperator
from helpers import SqlQueries
def load_dimension_subdag(
parent_dag_name,
task_id,
redshift_conn_id,
sql_statement,
delete_load,
table_name,
*args, **kwargs):
dag = DAG(f"{parent_dag_name}.{task_id}", **kwargs)
load_dimension_table = LoadDimensionOperator(
task_id=task_id,
dag=dag,
redshift_conn_id=redshift_conn_id,
sql_query = sql_statement,
delete_load = delete_load,
table_name = table_name,
)
load_dimension_table
return dag | 23.333333 | 58 | 0.657064 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | from datetime import datetime, timedelta
import os
from airflow import DAG
from airflow.operators.dummy_operator import DummyOperator
from airflow.operators import ( CreateTableOperator, StageToRedshiftOperator, LoadFactOperator,
LoadDimensionOperator, DataQualityOperator)
from helpers import SqlQueries
from sparkify_dimension_subdag import load_dimension_subdag
from airflow.operators.subdag_operator import SubDagOperator
#AWS_KEY = os.environ.get('AWS_KEY')
#AWS_SECRET = os.environ.get('AWS_SECRET')
s3_bucket = 'udacity-dend-warehouse'
song_s3_key = "song_data"
log_s3_key = "log-data"
log_json_file = "log_json_path.json"
default_args = {
'owner': 'udacity',
'depends_on_past': True,
'start_date': datetime(2019, 1, 12),
'email_on_failure': False,
'email_on_retry': False,
'retries': 1,
'retry_delay': timedelta(minutes=5),
'catchup': True
}
dag_name = 'udac_example_dag'
dag = DAG(dag_name,
default_args=default_args,
description='Load and transform data in Redshift with Airflow',
schedule_interval='0 * * * *',
max_active_runs = 1
)
start_operator = DummyOperator(task_id='Begin_execution', dag=dag)
create_tables_in_redshift = CreateTableOperator(
task_id = 'create_tables_in_redshift',
redshift_conn_id = 'redshift',
dag = dag
)
stage_events_to_redshift = StageToRedshiftOperator(
task_id='Stage_events',
table_name="staging_events",
s3_bucket = s3_bucket,
s3_key = log_s3_key,
file_format="JSON",
log_json_file = log_json_file,
redshift_conn_id = "redshift",
aws_credential_id="aws_credentials",
dag=dag,
provide_context=True
)
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
table_name="staging_songs",
s3_bucket = s3_bucket,
s3_key = song_s3_key,
file_format="JSON",
redshift_conn_id = "redshift",
aws_credential_id="aws_credentials",
dag=dag,
provide_context=True
)
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
redshift_conn_id = 'redshift',
sql_query = SqlQueries.songplay_table_insert,
dag=dag
)
load_user_dimension_table = SubDagOperator(
subdag=load_dimension_subdag(
parent_dag_name=dag_name,
task_id="Load_user_dim_table",
redshift_conn_id="redshift",
start_date=default_args['start_date'],
sql_statement=SqlQueries.user_table_insert,
delete_load = True,
table_name = "users",
),
task_id="Load_user_dim_table",
dag=dag,
)
load_song_dimension_table = SubDagOperator(
subdag=load_dimension_subdag(
parent_dag_name=dag_name,
task_id="Load_song_dim_table",
redshift_conn_id="redshift",
start_date=default_args['start_date'],
sql_statement=SqlQueries.song_table_insert,
delete_load = True,
table_name = "songs",
),
task_id="Load_song_dim_table",
dag=dag,
)
load_artist_dimension_table = SubDagOperator(
subdag=load_dimension_subdag(
parent_dag_name=dag_name,
task_id="Load_artist_dim_table",
redshift_conn_id="redshift",
start_date=default_args['start_date'],
sql_statement=SqlQueries.artist_table_insert,
delete_load = True,
table_name = "artists",
),
task_id="Load_artist_dim_table",
dag=dag,
)
load_time_dimension_table = SubDagOperator(
subdag=load_dimension_subdag(
parent_dag_name=dag_name,
task_id="Load_time_dim_table",
redshift_conn_id="redshift",
start_date=default_args['start_date'],
sql_statement=SqlQueries.time_table_insert,
delete_load = True,
table_name = "time",
),
task_id="Load_time_dim_table",
dag=dag,
)
run_quality_checks = DataQualityOperator(
task_id='Run_data_quality_checks',
dag=dag,
redshift_conn_id = "redshift",
tables = ["artists", "songplays", "songs", "time", "users"]
)
end_operator = DummyOperator(task_id='Stop_execution', dag=dag)
start_operator >> create_tables_in_redshift
create_tables_in_redshift >> [stage_songs_to_redshift, stage_events_to_redshift] >> load_songplays_table
load_songplays_table >> [load_user_dimension_table, load_song_dimension_table, load_artist_dimension_table, load_time_dimension_table] >> run_quality_checks >> end_operator
| 27.06962 | 172 | 0.657871 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | 0 | 0 | 0 |
|
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | import configparser
# CONFIG
config = configparser.ConfigParser()
config.read('dwh.cfg')
# DROP TABLES
staging_events_table_drop = "DROP TABle IF EXISTS staging_events;"
staging_songs_table_drop = "DROP TABLE IF EXISTS staging_songs;"
songplay_table_drop = "DROP TABLE IF EXISTS songplays;"
user_table_drop = "DROP TABLE IF EXISTS users;"
song_table_drop = "DROP TABLE IF EXISTS songs;"
artist_table_drop = "DROP TABLE IF EXISTS artists;"
time_table_drop = "DROP TABLE IF EXISTS time;"
# CREATE TABLES
staging_events_table_create= ("""
CREATE TABLE IF NOT EXISTS staging_events
(
artist VARCHAR,
auth VARCHAR,
firstName VARCHAR(50),
gender CHAR,
itemInSession INTEGER,
lastName VARCHAR(50),
length FLOAT,
level VARCHAR,
location VARCHAR,
method VARCHAR,
page VARCHAR,
registration FLOAT,
sessionId INTEGER,
song VARCHAR,
status INTEGER,
ts BIGINT,
userAgent VARCHAR,
userId INTEGER
);
""")
staging_songs_table_create = ("""
CREATE TABLE IF NOT EXISTS staging_songs
(
num_songs INTEGER,
artist_id VARCHAR,
artist_latitude FLOAT,
artist_longitude FLOAT,
artist_location VARCHAR,
artist_name VARCHAR,
song_id VARCHAR,
title VARCHAR,
duration FLOAT,
year FLOAT
);
""")
songplay_table_create = ("""
CREATE TABLE IF NOT EXISTS songplays
(
songplay_id INTEGER IDENTITY (1, 1) PRIMARY KEY ,
start_time TIMESTAMP,
user_id INTEGER,
level VARCHAR,
song_id VARCHAR,
artist_id VARCHAR,
session_id INTEGER,
location VARCHAR,
user_agent VARCHAR
)
DISTSTYLE KEY
DISTKEY ( start_time )
SORTKEY ( start_time );
""")
user_table_create = ("""
CREATE TABLE IF NOT EXISTS users
(
userId INTEGER PRIMARY KEY,
firsname VARCHAR(50),
lastname VARCHAR(50),
gender CHAR(1) ENCODE BYTEDICT,
level VARCHAR ENCODE BYTEDICT
)
SORTKEY (userId);
""")
song_table_create = ("""
CREATE TABLE IF NOT EXISTS songs
(
song_id VARCHAR PRIMARY KEY,
title VARCHAR,
artist_id VARCHAR,
year INTEGER ENCODE BYTEDICT,
duration FLOAT
)
SORTKEY (song_id);
""")
artist_table_create = ("""
CREATE TABLE IF NOT EXISTS artists
(
artist_id VARCHAR PRIMARY KEY ,
name VARCHAR,
location VARCHAR,
latitude FLOAT,
longitude FLOAT
)
SORTKEY (artist_id);
""")
time_table_create = ("""
CREATE TABLE IF NOT EXISTS time
(
start_time TIMESTAMP PRIMARY KEY ,
hour INTEGER,
day INTEGER,
week INTEGER,
month INTEGER,
year INTEGER ENCODE BYTEDICT ,
weekday VARCHAR(9) ENCODE BYTEDICT
)
DISTSTYLE KEY
DISTKEY ( start_time )
SORTKEY (start_time);
""")
# STAGING TABLES
staging_events_copy = ("""
COPY staging_events
FROM {}
iam_role {}
FORMAT AS json {};
""").format(config['S3']['LOG_DATA'], config['IAM_ROLE']['ARN'], config['S3']['LOG_JSONPATH'])
staging_songs_copy = ("""
COPY staging_songs
FROM {}
iam_role {}
FORMAT AS json 'auto';
""").format(config['S3']['SONG_DATA'], config['IAM_ROLE']['ARN'])
# FINAL TABLES
songplay_table_insert = ("""
INSERT INTO songplays (START_TIME, USER_ID, LEVEL, SONG_ID, ARTIST_ID, SESSION_ID, LOCATION, USER_AGENT)
SELECT DISTINCT
TIMESTAMP 'epoch' + (se.ts / 1000) * INTERVAL '1 second' as start_time,
se.userId,
se.level,
ss.song_id,
ss.artist_id,
se.sessionId,
se.location,
se.userAgent
FROM staging_songs ss
INNER JOIN staging_events se
ON (ss.title = se.song AND se.artist = ss.artist_name)
AND se.page = 'NextSong';
""")
user_table_insert = ("""
INSERT INTO users
SELECT DISTINCT userId, firstName, lastName, gender, level
FROM staging_events
WHERE userId IS NOT NULL
AND page = 'NextSong';
""")
song_table_insert = ("""
INSERT INTO songs
SELECT
DISTINCT song_id, title, artist_id, year, duration
FROM staging_songs
WHERE song_id IS NOT NULL;
""")
artist_table_insert = ("""
INSERT INTO artists
SELECT
DISTINCT artist_id, artist_name, artist_location, artist_latitude, artist_longitude
FROM staging_songs;
""")
time_table_insert = ("""
insert into time
SELECT DISTINCT
TIMESTAMP 'epoch' + (ts/1000) * INTERVAL '1 second' as start_time,
EXTRACT(HOUR FROM start_time) AS hour,
EXTRACT(DAY FROM start_time) AS day,
EXTRACT(WEEKS FROM start_time) AS week,
EXTRACT(MONTH FROM start_time) AS month,
EXTRACT(YEAR FROM start_time) AS year,
to_char(start_time, 'Day') AS weekday
FROM staging_events;
""")
# QUERY LISTS
create_table_queries = [staging_events_table_create, staging_songs_table_create, songplay_table_create, user_table_create, song_table_create, artist_table_create, time_table_create]
drop_table_queries = [staging_events_table_drop, staging_songs_table_drop, songplay_table_drop, user_table_drop, song_table_drop, artist_table_drop, time_table_drop]
copy_table_queries = [staging_events_copy, staging_songs_copy]
insert_table_queries = [songplay_table_insert, user_table_insert, song_table_insert, artist_table_insert, time_table_insert]
| 23.429952 | 181 | 0.68038 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | from airflow.hooks.postgres_hook import PostgresHook
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults
class CreateTableOperator(BaseOperator):
ui_color = '#358140'
@apply_defaults
def __init__(self, redshift_conn_id = "", *args, **kwargs):
super(CreateTableOperator, self).__init__(*args, **kwargs)
self.redshift_conn_id = redshift_conn_id
def execute(self, context):
self.log.info('Creating Postgres SQL Hook')
redshift = PostgresHook(postgres_conn_id = self.redshift_conn_id)
self.log.info('Executing creating tables in Redshift.')
queries = open('/home/workspace/airflow/create_tables.sql', 'r').read()
redshift.run(queries)
self.log.info("Tables created ")
| 26.7 | 80 | 0.651807 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | from airflow.hooks.postgres_hook import PostgresHook
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults
class DataQualityOperator(BaseOperator):
ui_color = '#89DA59'
@apply_defaults
def __init__(self,
redshift_conn_id="",
tables = [],
*args, **kwargs):
super(DataQualityOperator, self).__init__(*args, **kwargs)
self.redshift_conn_id = redshift_conn_id
self.tables = tables
def execute(self, context):
redshift_hook = PostgresHook(postgres_conn_id = self.redshift_conn_id)
for table in self.tables:
self.log.info(f"Starting data quality validation on table : {table}")
records = redshift_hook.get_records(f"select count(*) from {table};")
if len(records) < 1 or len(records[0]) < 1 or records[0][0] < 1:
self.log.error(f"Data Quality validation failed for table : {table}.")
raise ValueError(f"Data Quality validation failed for table : {table}")
self.log.info(f"Data Quality Validation Passed on table : {table}!!!")
self.log.info('DataQualityOperator not implemented yet') | 36.823529 | 94 | 0.595331 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | from airflow.hooks.postgres_hook import PostgresHook
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults
class LoadDimensionOperator(BaseOperator):
ui_color = '#80BD9E'
@apply_defaults
def __init__(self,
redshift_conn_id="",
sql_query = "",
delete_load = False,
table_name = "",
*args, **kwargs):
super(LoadDimensionOperator, self).__init__(*args, **kwargs)
self.redshift_conn_id = redshift_conn_id
self.sql_query = sql_query
self.table_name = table_name
self.delete_load = delete_load
def execute(self, context):
redshift_hook = PostgresHook(postgres_conn_id = self.redshift_conn_id)
if self.delete_load:
self.log.info(f"Delete load operation set to TRUE. Running delete statement on table {self.table_name}")
redshift_hook.run(f"DELETE FROM {self.table_name}")
self.log.info(f"Running query to load data into Dimension Table {self.table_name}")
redshift_hook.run(self.sql_query)
self.log.info(f"Dimension Table {self.table_name} loaded.")
| 36.65625 | 116 | 0.622924 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | from airflow.hooks.postgres_hook import PostgresHook
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults
class LoadFactOperator(BaseOperator):
ui_color = '#F98866'
@apply_defaults
def __init__(self,
redshift_conn_id="",
sql_query = "",
*args, **kwargs):
super(LoadFactOperator, self).__init__(*args, **kwargs)
self.redshift_conn_id = redshift_conn_id
self.sql_query = sql_query
def execute(self, context):
redshift_hook = PostgresHook(postgres_conn_id = self.redshift_conn_id)
redshift_hook.run(self.sql_query)
| 27.416667 | 78 | 0.621145 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | from airflow.hooks.postgres_hook import PostgresHook
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults
from airflow.contrib.hooks.aws_hook import AwsHook
class StageToRedshiftOperator(BaseOperator):
ui_color = '#358140'
copy_query = " COPY {} \
FROM '{}' \
ACCESS_KEY_ID '{}' \
SECRET_ACCESS_KEY '{}' \
FORMAT AS json '{}'; \
"
@apply_defaults
def __init__(self,
redshift_conn_id="",
aws_credential_id="",
table_name = "",
s3_bucket="",
s3_key = "",
file_format = "",
log_json_file = "",
*args, **kwargs):
super(StageToRedshiftOperator, self).__init__(*args, **kwargs)
self.redshift_conn_id = redshift_conn_id
self.aws_credential_id = aws_credential_id
self.table_name = table_name
self.s3_bucket = s3_bucket
self.s3_key = s3_key
self.file_format = file_format
self.log_json_file = log_json_file
self.execution_date = kwargs.get('execution_date')
def execute(self, context):
aws_hook = AwsHook(self.aws_credential_id)
credentials = aws_hook.get_credentials()
s3_path = "s3://{}/{}".format(self.s3_bucket, self.s3_key)
self.log.info(f"Picking staging file for table {self.table_name} from location : {s3_path}")
if self.log_json_file != "":
self.log_json_file = "s3://{}/{}".format(self.s3_bucket, self.log_json_file)
copy_query = self.copy_query.format(self.table_name, s3_path, credentials.access_key, credentials.secret_key, self.log_json_file)
else:
copy_query = self.copy_query.format(self.table_name, s3_path, credentials.access_key, credentials.secret_key, 'auto')
self.log.info(f"Running copy query : {copy_query}")
redshift_hook = PostgresHook(postgres_conn_id = self.redshift_conn_id)
redshift_hook.run(copy_query)
self.log.info(f"Table {self.table_name} staged successfully!!")
| 37.280702 | 141 | 0.577258 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | import configparser
from pathlib import Path
config = configparser.ConfigParser()
config.read_file(open(f"{Path(__file__).parents[0]}/config.cfg"))
api_key = config['KEYS']['API_KEY']
headers = {'Authorization': 'Bearer %s' % api_key} | 28.625 | 65 | 0.711864 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | # This is request module of this project
from request import Request
from auth import headers
import json
class BusinessSearch:
def __init__(self, term, location, price=None):
self._param = {'term' : term, 'location' : location}
if price:
self._param['price'] = price
self._base_url = 'https://api.yelp.com/v3/businesses/search'
self._business_list = self._search_business()
def _search_business(self):
business_search_request = Request.get_content(url=self._base_url, param=self._param)
return business_search_request['businesses'] if business_search_request is not None else []
def _parse_results(self, data):
# Categories data : 'categories': [{'alias': 'bakeries', 'title': 'Bakeries'}]
categories = ' '.join([category['title'] for category in data['categories']])
# Longitude and latitude data : 'coordinates': {'latitude': 45.5232, 'longitude': -73.583459}
longitude = data['coordinates']['longitude']
latitude = data['coordinates']['latitude']
# Location example : 'location': { 'display_address': ['316 Avenue du Mont-Royal E', 'Montreal, QC H2T 1P7', 'Canada']}
location = ','.join(data['location']['display_address'])
return {"id" : data['id'], "name" : self._add_escape_character(data['name']), "image_url" : data['image_url'], "url" : data['url'],
"review_count" : data['review_count'], "categories" : categories, "rating" : data['rating'],
"latitude" : latitude, "longitude" : longitude, "price" : data['price'], "location" : location,
"display_phone" : data['display_phone']
}
def _add_escape_character(self, data):
return data.replace("'", "''")
def get_results(self):
return [self._parse_results(business) for business in self._business_list] | 47.512821 | 139 | 0.615547 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | import psycopg2
import configparser
from pathlib import Path
from queries import create_business_schema, create_business_table
config = configparser.ConfigParser()
config.read_file(open(f"{Path(__file__).parents[0]}/config.cfg"))
class DatabaseDriver:
def __init__(self):
self._conn = psycopg2.connect("host={} dbname={} user={} password={} port={}".format(*config['DATABASE'].values()))
self._cur = self._conn.cursor()
def execute_query(self, query):
self._cur.execute(query)
def setup(self):
self.execute_query(create_business_schema)
self.execute_query(create_business_table) | 30.8 | 123 | 0.685039 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | import configparser
from pathlib import Path
from businesssearch import BusinessSearch
from queries import create_business_schema, create_business_table, insert_business_table
from databasedriver import DatabaseDriver
import argparse
config = configparser.ConfigParser()
config.read_file(open(f"{Path(__file__).parents[0]}/config.cfg"))
parser = argparse.ArgumentParser(
description="A Example yelp business finder based on parameters such as term, location, price, ")
api_key = config['KEYS']['API_KEY']
headers = {'Authorization': 'Bearer %s' % api_key}
def to_string(data):
return [str(value) for value in data.values()]
def main():
args = parser.parse_args()
# Pricing levels to filter the search result with: 1 = $, 2 = $$, 3 = $$$, 4 = $$$$.
b = BusinessSearch(term=args.term, location=args.location, price=args.price)
db = DatabaseDriver()
db.setup()
queries = [insert_business_table.format(*to_string(result)) for result in b.get_results()]
query_to_execute = "BEGIN; \n" + '\n'.join(queries) + "\nCOMMIT;"
db.execute_query(query_to_execute)
if __name__ == "__main__":
parser._action_groups.pop()
required = parser.add_argument_group('required arguments')
optional = parser.add_argument_group('optional arguments')
required.add_argument("-t", "--term", metavar='', required=True,
help="Search term, for example \"food\" or \"restaurants\". The term may also be business names, such as \"Starbucks.\".")
required.add_argument("-l", "--location", metavar='', required=True,
help="This string indicates the geographic area to be used when searching for businesses. ")
optional.add_argument("-p", "--price", type=int, metavar='', required=False, default=1,
help="Pricing levels to filter the search result with: 1 = $, 2 = $$, 3 = $$$, 4 = $$$$.")
main() | 44.690476 | 148 | 0.657977 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | create_business_schema = """CREATE SCHEMA IF NOT EXISTS yelp;"""
create_business_table = """
CREATE TABLE IF NOT EXISTS yelp.business (
business_id varchar PRIMARY KEY,
business_name varchar,
image_url varchar,
url varchar,
review_count int,
categories varchar,
rating float,
latitude float,
longitude float,
price varchar,
location varchar,
phone varchar
);
"""
insert_business_table = """INSERT INTO yelp.business VALUES ('{}', '{}', '{}', '{}', {}, '{}', {}, {}, {}, '{}', '{}', '{}')
ON CONFLICT (business_id)
DO UPDATE SET
business_id = EXCLUDED.business_id,
business_name = EXCLUDED.business_name,
image_url = EXCLUDED.image_url,
url = EXCLUDED.url,
review_count = EXCLUDED.review_count,
categories = EXCLUDED.categories,
rating = EXCLUDED.rating,
latitude = EXCLUDED.latitude,
longitude = EXCLUDED.longitude,
price = EXCLUDED.price,
location = EXCLUDED.location,
phone = EXCLUDED.phone;
""" | 35.371429 | 124 | 0.505503 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | import requests
from auth import headers
import json
class Request:
def __init__(self):
self._header = headers
@staticmethod
def get_content(url, param):
response = requests.get(url, headers=headers, params=param)
if response.status_code == 200:
return json.loads(response.content)
else:
print(f"Request completed with Error. Response Code : {response.status_code}")
return None | 27.875 | 90 | 0.635575 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | import configparser
import psycopg2
from sql_queries import copy_table_queries, insert_table_queries
def load_staging_tables(cur, conn):
for query in copy_table_queries:
cur.execute(query)
conn.commit()
def insert_tables(cur, conn):
for query in insert_table_queries:
cur.execute(query)
conn.commit()
def main():
config = configparser.ConfigParser()
config.read('dwh.cfg')
conn = psycopg2.connect("host={} dbname={} user={} password={} port={}".format(*config['CLUSTER'].values()))
cur = conn.cursor()
load_staging_tables(cur, conn)
insert_tables(cur, conn)
conn.close()
if __name__ == "__main__":
main() | 20.625 | 112 | 0.638205 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | import configparser
import psycopg2
from sql_queries import create_table_queries, drop_table_queries
def drop_tables(cur, conn):
for query in drop_table_queries:
cur.execute(query)
conn.commit()
def create_tables(cur, conn):
for query in create_table_queries:
cur.execute(query)
conn.commit()
def main():
config = configparser.ConfigParser()
config.read('dwh.cfg')
conn = psycopg2.connect("host={} dbname={} user={} password={} port={}".format(*config['CLUSTER'].values()))
cur = conn.cursor()
drop_tables(cur, conn)
create_tables(cur, conn)
conn.close()
if __name__ == "__main__":
main() | 20 | 112 | 0.636364 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | from create_tables import main as create_table_main
from etl import main as etl_main
if __name__ == "__main__":
create_table_main()
etl_main()
| 20.857143 | 51 | 0.664474 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | import boto3
import configparser
from botocore.exceptions import ClientError
import json
import logging
import logging.config
from pathlib import Path
import argparse
import time
# Setting up logger, Logger properties are defined in logging.ini file
logging.config.fileConfig(f"{Path(__file__).parents[0]}/logging.ini")
logger = logging.getLogger(__name__)
# Loading cluster configurations from cluster.config
config = configparser.ConfigParser()
config.read_file(open('cluster.config'))
def create_IAM_role(iam_client):
"""
Create and IAM_role, Define configuration in cluster.config
:param iam_client: an IAM service client instance
:return: True if IAM role created and policy applied successfully.
"""
role_name = config.get('IAM_ROLE', 'NAME')
role_description = config.get('IAM_ROLE', 'DESCRIPTION')
role_policy_arn = config.get('IAM_ROLE','POLICY_ARN')
logging.info(f"Creating IAM role with name : {role_name}, description : {role_description} and policy : {role_policy_arn}")
# Creating Role.
# Policy Documentation reference - https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-iam-role.html#aws-resource-iam-role--examples
role_policy_document = json.dumps(
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": { "Service": [ "redshift.amazonaws.com" ] },
"Action": [ "sts:AssumeRole" ]
}
]
}
)
try:
create_response = iam_client.create_role(
Path='/',
RoleName=role_name,
Description=role_description,
AssumeRolePolicyDocument = role_policy_document
)
logger.debug(f"Got response from IAM client for creating role : {create_response}")
logger.info(f"Role create response code : {create_response['ResponseMetadata']['HTTPStatusCode']}")
except Exception as e:
logger.error(f"Error occured while creating role : {e}")
return False
try:
# Attaching policy using ARN's( Amazon Resource Names )
policy_response = iam_client.attach_role_policy(
RoleName=role_name,
PolicyArn=role_policy_arn
)
logger.debug(f"Got response from IAM client for applying policy to role : {policy_response}")
logger.info(f"Attach policy response code : {policy_response['ResponseMetadata']['HTTPStatusCode']}")
except Exception as e:
logger.error(f"Error occured while applying policy : {e}")
return False
return True if( (create_response['ResponseMetadata']['HTTPStatusCode'] == 200) and (policy_response['ResponseMetadata']['HTTPStatusCode'] == 200) ) else False
def delete_IAM_role(iam_client):
"""
Delete and IAM role
Make sure that you do not have any Amazon EC2 instances running with the role you are about to delete.
Deleting a role or instance profile that is associated with a running instance will break any applications running on the instance.
:param iam_client: an IAM service client instance
:return: True if role deleted successfully.
"""
role_name = config.get('IAM_ROLE', 'NAME')
existing_roles = [role['RoleName'] for role in iam_client.list_roles()['Roles']]
if(role_name not in existing_roles):
logger.info(f"Role {role_name} does not exist.")
return True
logger.info(f"Processing deleting IAM role : {role_name}")
try:
detach_response = iam_client.detach_role_policy(RoleName=role_name, PolicyArn=config.get('IAM_ROLE','POLICY_ARN'))
logger.debug(f"Response for policy detach from IAM role : {detach_response}")
logger.info(f"Detach policy response code : {detach_response['ResponseMetadata']['HTTPStatusCode']}")
delete_response = iam_client.delete_role(RoleName=role_name)
logger.debug(f"Response for deleting IAM role : {delete_response}")
logger.info(f"Delete role response code : {delete_response['ResponseMetadata']['HTTPStatusCode']}")
except Exception as e:
logger.error(f"Exception occured while deleting role : {e}")
return False
return True if( (detach_response['ResponseMetadata']['HTTPStatusCode'] == 200) and (delete_response['ResponseMetadata']['HTTPStatusCode'] == 200) ) else False
def create_cluster(redshift_client, iam_role_arn, vpc_security_group_id):
"""
Create a Redshift cluster using the IAM role and security group created.
:param redshift_client: a redshift client instance
:param iam_role_arn: IAM role arn to give permission to cluster to communicate with other AWS service
:param vpc_security_group_id: vpc group for network setting for cluster
:return: True if cluster created successfully.
"""
# Cluster Hardware config
cluster_type = config.get('DWH','DWH_CLUSTER_TYPE')
node_type = config.get('DWH', 'DWH_NODE_TYPE')
num_nodes = int(config.get('DWH', 'DWH_NUM_NODES'))
# Cluster identifiers and credentials
cluster_identifier = config.get('DWH','DWH_CLUSTER_IDENTIFIER')
db_name = config.get('DWH', 'DWH_DB')
database_port=int(config.get('DWH','DWH_PORT'))
master_username = config.get('DWH', 'DWH_DB_USER')
master_user_password = config.get('DWH', 'DWH_DB_PASSWORD')
# Cluster adding IAM role
iam_role = None
# Security settings
security_group = config.get('SECURITY_GROUP', 'NAME')
# Documentation - https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/redshift.html?highlight=create_cluster#Redshift.Client.create_cluster
try:
response = redshift_client.create_cluster(
DBName=db_name,
ClusterIdentifier=cluster_identifier,
ClusterType=cluster_type,
NodeType=node_type,
NumberOfNodes=num_nodes,
MasterUsername=master_username,
MasterUserPassword=master_user_password,
VpcSecurityGroupIds=vpc_security_group_id,
IamRoles = [iam_role_arn]
)
logger.debug(f"Cluster creation response : {response}")
logger.info(f"Cluster creation response code : {response['ResponseMetadata']['HTTPStatusCode']} ")
except Exception as e:
logger.error(f"Exception occured while creating cluster : {e}")
return False
return (response['ResponseMetadata']['HTTPStatusCode'] == 200)
def get_cluster_status(redshift_client, cluster_identifier):
response = redshift_client.describe_clusters(ClusterIdentifier = cluster_identifier)
cluster_status = response['Clusters'][0]['ClusterStatus']
logger.info(f"Cluster status : {cluster_status.upper()}")
return True if(cluster_status.upper() in ('AVAILABLE','ACTIVE', 'INCOMPATIBLE_NETWORK', 'INCOMPATIBLE_HSM', 'INCOMPATIBLE_RESTORE', 'INSUFFICIENT_CAPACITY', 'HARDWARE_FAILURE')) else False
def delete_cluster(redshift_client):
"""
Deleting the redshift cluster
:param redshift_client: a redshift client instance
:return: True if cluster deleted successfully.
"""
cluster_identifier = config.get('DWH', 'DWH_CLUSTER_IDENTIFIER')
if(len(redshift_client.describe_clusters()['Clusters']) == 0):
logger.info(f"Cluster {cluster_identifier} does not exist.")
return True
try:
while(not get_cluster_status(redshift_client, cluster_identifier=cluster_identifier)):
logger.info("Can't delete cluster. Waiting for cluster to become ACTIVE")
time.sleep(10)
response = \
redshift_client.delete_cluster(ClusterIdentifier=cluster_identifier, SkipFinalClusterSnapshot=True)
logger.debug(f"Cluster deleted with response : {response}")
logger.info(f"Cluster deleted response code : {response['ResponseMetadata']['HTTPStatusCode']}")
except Exception as e:
logger.error(f"Exception occured while deleting cluster : {e}")
return False
return response['ResponseMetadata']['HTTPStatusCode']
def get_group(ec2_client, group_name):
groups = \
ec2_client.describe_security_groups(Filters=[{'Name': 'group-name', 'Values': [group_name]}])[
'SecurityGroups']
return None if(len(groups) == 0) else groups[0]
def create_ec2_security_group(ec2_client):
if(get_group(ec2_client, config.get('SECURITY_GROUP','NAME')) is not None):
logger.info("Group already exists!!")
return True
# Fetch VPC ID
vpc_id = ec2_client.describe_security_groups()['SecurityGroups'][0]['VpcId']
response = ec2_client.create_security_group(
Description=config.get('SECURITY_GROUP','DESCRIPTION'),
GroupName=config.get('SECURITY_GROUP','NAME'),
VpcId=vpc_id,
DryRun=False # Checks whether you have the required permissions for the action, without actually making the request, and provides an error response
)
logger.debug(f"Security group creation response : {response}")
logger.info(f"Group created!! Response code {response['ResponseMetadata']['HTTPStatusCode']}")
logger.info("Authorizing security group ingress")
ec2_client.authorize_security_group_ingress(
GroupId=response['GroupId'],
GroupName=config.get('SECURITY_GROUP','NAME'),
FromPort=int(config.get('INBOUND_RULE','PORT_RANGE')),
ToPort=int(config.get('INBOUND_RULE', 'PORT_RANGE')),
CidrIp=config.get('INBOUND_RULE','CIDRIP'),
IpProtocol=config.get('INBOUND_RULE','PROTOCOL'),
DryRun=False
)
return (response['ResponseMetadata']['HTTPStatusCode'] == 200)
def delete_ec2_security_group(ec2_client):
"""
Delete a security group
:param ec2_client: ec2 client instance
:return: True if security group deleted successfully
"""
group_name = config.get('SECURITY_GROUP','NAME')
group = get_group(ec2_client, group_name)
if(group is None):
logger.info(f"Group {group_name} does not exist")
return True
try:
response = ec2_client.delete_security_group(
GroupId=group['GroupId'],
GroupName=group_name,
DryRun=False
)
logger.debug(f"Deleting security group response : {response}")
logger.info(f"Delete response {response['ResponseMetadata']['HTTPStatusCode']}")
except Exception as e:
logger.error(f"Error occured while deleting group : {e}")
return False
return (response['ResponseMetadata']['HTTPStatusCode'] == 200)
def boolean_parser(val):
if val.upper() not in ['FALSE', 'TRUE']:
logging.error(f"Invalid arguemnt : {val}. Must be TRUE or FALSE")
raise ValueError('Not a valid boolean string')
return val.upper() == 'TRUE'
if __name__ == "__main__":
# Parsing arguments
parser = argparse.ArgumentParser(description="A Redshift cluster IaC (Infrastructure as Code). It creates IAM role for the Redshift, creates security group and sets up ingress parameters."
" Finally spin-up a redshift cluster.")
parser._action_groups.pop()
required = parser.add_argument_group('required arguments')
optional = parser.add_argument_group('optional arguments')
required.add_argument("-c", "--create", type=boolean_parser, metavar='', required=True,
help="True or False. Create IAM roles, security group and redshift cluster if ie does not exist.")
required.add_argument("-d", "--delete", type=boolean_parser, metavar='', required=True,
help="True or False. Delete the roles, securitygroup and cluster. WARNING: Deletes the Redshift cluster, IAM role and security group. ")
optional.add_argument("-v", "--verbosity", type=boolean_parser, metavar='', required=False, default=True,
help="Increase output verbosity. Default set to DEBUG.")
args = parser.parse_args()
logger.info(f"ARGS : {args}")
if(not args.verbosity):
logger.setLevel(logging.INFO)
logger.info("LOGGING LEVEL SET TO INFO.")
# print(boto3._get_default_session().get_available_services() ) # Getting aws services list
# Creating low-level service clients
ec2 = boto3.client(service_name = 'ec2', region_name = 'us-east-1', aws_access_key_id=config.get('AWS', 'Key'), aws_secret_access_key=config.get('AWS', 'SECRET'))
s3 = boto3.client(service_name = 's3', region_name = 'us-east-1', aws_access_key_id=config.get('AWS', 'Key'), aws_secret_access_key=config.get('AWS', 'SECRET'))
iam = boto3.client(service_name = 'iam', region_name = 'us-east-1', aws_access_key_id=config.get('AWS', 'Key'), aws_secret_access_key=config.get('AWS', 'SECRET'))
redshift = boto3.client(service_name = 'redshift', region_name = 'us-east-1', aws_access_key_id=config.get('AWS', 'Key'), aws_secret_access_key=config.get('AWS', 'SECRET'))
logger.info("Clients setup for all services.")
# Setting up IAM Role, security group and cluster
if(args.create):
if(create_IAM_role(iam)):
logger.info("IAM role created. Creating security group....")
if(create_ec2_security_group(ec2)):
logger.info("Security group created. Spinning redshift cluster....")
role_arn = iam.get_role(RoleName = config.get('IAM_ROLE', 'NAME'))['Role']['Arn']
vpc_security_group_id = get_group(ec2, config.get('SECURITY_GROUP', 'NAME'))['GroupId']
create_cluster(redshift, role_arn, [vpc_security_group_id])
else:
logger.error("Failed to create security group")
else:
logger.error("Failed to create IAM role")
else:
logger.info("Skipping Creation.")
# cleanup
if(args.delete):
delete_cluster(redshift)
delete_ec2_security_group(ec2)
delete_IAM_role(iam)
| 42.537267 | 192 | 0.657868 |
Udacity-Data-Engineering-Projects | https://github.com/san089/Udacity-Data-Engineering-Projects | Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development. | 1,219 | 433 | 2023-12-04 20:08:27+00:00 | 2020-01-20 22:50:03+00:00 | 2,128 | Other | Python | import psycopg2
import configparser
# Loading cluster configurations from cluster.config
config = configparser.ConfigParser()
config.read_file(open('cluster.config'))
def test_connection(host):
dbname = config.get('DWH','DWH_DB')
port = config.get('DWH','DWH_PORT')
user = config.get('DWH','DWH_DB_USER')
password = config.get('DWH','DWH_DB_PASSWORD')
con=psycopg2.connect(dbname= dbname, host=host, port= port, user= user, password= password)
cur = con.cursor()
cur.execute("CREATE TABLE test (id int);")
cur.execute("INSERT INTO test VALUES (10);")
print(cur.execute('SELECT * FROM test'))
con.close() | 28.590909 | 95 | 0.683077 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | 0 | 0 | 0 |
|
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | import json
from concurrent.futures import ThreadPoolExecutor
from retry import RetryOnException as retry
from proxypool import (
ProxyPoolValidator,
ProxyPoolScraper,
RedisProxyPoolClient
)
from airflow.models.baseoperator import BaseOperator
from airflow.utils.decorators import apply_defaults
class ProxyPoolOperator(BaseOperator):
@apply_defaults
def __init__(
self,
proxy_webpage,
number_of_proxies,
testing_url,
max_workers,
redis_config,
redis_key,
*args, **kwargs):
super().__init__(*args, **kwargs)
self.proxy_webpage = proxy_webpage
self.testing_url = testing_url
self.number_of_proxies = number_of_proxies
self.max_workers = max_workers
self.redis_config = redis_config
self.redis_key = redis_key
@retry(5)
def execute(self, context):
proxy_scraper = ProxyPoolScraper(self.proxy_webpage)
proxy_validator = ProxyPoolValidator(self.testing_url)
proxy_stream = proxy_scraper.get_proxy_stream(self.number_of_proxies)
with ThreadPoolExecutor(max_workers=self.max_workers) as executor:
results = executor.map(
proxy_validator.validate_proxy, proxy_stream
)
valid_proxies = filter(lambda x: x.is_valid is True, results)
sorted_valid_proxies = sorted(
valid_proxies, key=lambda x: x.health, reverse=True
)
with RedisProxyPoolClient(self.redis_key, self.redis_config) as client:
client.override_existing_proxies(
[
json.dumps(record.proxy)
for record in sorted_valid_proxies[:5]
]
)
| 31.160714 | 79 | 0.611111 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from log import log
from retry import RetryOnException as retry
from proxypool import RedisProxyPoolClient
from rss_news import (
NewsProducer,
NewsExporter,
NewsValidator
)
from airflow.models.baseoperator import BaseOperator
from airflow.utils.decorators import apply_defaults
@log
class RSSNewsOperator(BaseOperator):
@apply_defaults
def __init__(
self,
validator_config,
rss_feed,
language,
redis_config,
redis_key,
bootstrap_servers,
topic,
*args, **kwargs):
super().__init__(*args, **kwargs)
self.validator_config = validator_config
self.rss_feed = rss_feed
self.language = language
self.redis_config = redis_config
self.redis_key = redis_key
self.bootstrap_servers = bootstrap_servers
self.topic = topic
@retry(5)
def execute(self, context):
validator = NewsValidator(self.validator_config)
producer = NewsProducer(self.rss_feed, self.language)
redis = RedisProxyPoolClient(self.redis_key, self.redis_config)
with NewsExporter(self.bootstrap_servers) as exporter:
proxy = redis.get_proxy()
self.logger.info(proxy)
try:
for news in producer.get_news_stream(proxy):
self.logger.info(news)
validator.validate_news(news)
exporter.export_news_to_broker(
self.topic,
news.as_dict()
)
except Exception as err:
redis.lpop_proxy()
self.logger.error(f"Exception: {err}")
raise err
| 29.293103 | 71 | 0.573462 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python |
class Config:
PROXY_WEBPAGE = "https://free-proxy-list.net/"
TESTING_URL = "https://google.com"
REDIS_CONFIG = {
"host": "redis",
"port": "6379",
"db": 0
}
REDIS_KEY = "proxies"
MAX_WORKERS = 50
NUMBER_OF_PROXIES = 50
RSS_FEEDS = {
"en": [
"https://www.goal.com/feeds/en/news",
"https://www.eyefootball.com/football_news.xml",
"https://www.101greatgoals.com/feed/",
"https://sportslens.com/feed/",
"https://deadspin.com/rss"
],
"pl": [
"https://weszlo.com/feed/",
"https://sportowefakty.wp.pl/rss.xml",
"https://futbolnews.pl/feed",
"https://igol.pl/feed/"
],
"es": [
"https://as.com/rss/tags/ultimas_noticias.xml",
"https://e00-marca.uecdn.es/rss/futbol/mas-futbol.xml",
"https://www.futbolred.com/rss-news/liga-de-espana.xml",
"https://www.futbolya.com/rss/noticias.xml"
],
"de": [
"https://www.spox.com/pub/rss/sport-media.xml",
"https://www.dfb.de/news/rss/feed/"
]
}
BOOTSTRAP_SERVERS = ["kafka:9092"]
TOPIC = "rss_news"
VALIDATOR_CONFIG = {
"description_length": 10,
"languages": [
"en", "pl", "es", "de"
]
}
| 23.280702 | 68 | 0.484454 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from urllib.parse import urlparse
from datetime import datetime
from airflow import DAG
from airflow.operators.python_operator import PythonOperator
from dags_config import Config as config
from custom_operators import (
ProxyPoolOperator,
RSSNewsOperator
)
def extract_feed_name(url):
parsed_url = urlparse(url)
return parsed_url.netloc.replace("www.", "")
def dummy_callable(action):
return f"{datetime.now()}: {action} scrapping RSS feeds!"
def export_events(config, rss_feed, language, dag):
feed_name = extract_feed_name(rss_feed)
return RSSNewsOperator(
task_id=f"exporting_{feed_name}_news_to_broker",
validator_config=config.VALIDATOR_CONFIG,
rss_feed=rss_feed,
language=language,
redis_config=config.REDIS_CONFIG,
redis_key=config.REDIS_KEY,
bootstrap_servers=config.BOOTSTRAP_SERVERS,
topic=config.TOPIC,
dag=dag
)
def create_dag(dag_id, interval, config, language, rss_feeds):
with DAG(
dag_id=dag_id,
description=f"Scrape latest ({language}) sport RSS feeds",
schedule_interval=interval,
start_date=datetime(2020, 1, 1),
catchup=False,
is_paused_upon_creation=False
) as dag:
start = PythonOperator(
task_id="starting_pipeline",
python_callable=dummy_callable,
op_kwargs={"action": "starting"},
dag=dag
)
proxypool = ProxyPoolOperator(
task_id="updating_proxypoool",
proxy_webpage=config.PROXY_WEBPAGE,
number_of_proxies=config.NUMBER_OF_PROXIES,
testing_url=config.TESTING_URL,
max_workers=config.NUMBER_OF_PROXIES,
redis_config=config.REDIS_CONFIG,
redis_key=config.REDIS_KEY,
dag=dag
)
events = [
export_events(config, rss_feed, language, dag)
for rss_feed in rss_feeds
]
finish = PythonOperator(
task_id="finishing_pipeline",
python_callable=dummy_callable,
op_kwargs={"action": "finishing"},
dag=dag
)
start >> proxypool >> events >> finish
return dag
for n, item in enumerate(config.RSS_FEEDS.items()):
language, rss_feeds = item
dag_id = f"rss_news_{language}"
interval = f"{n*4}-59/10 * * * *"
globals()[dag_id] = create_dag(
dag_id,
interval,
config,
language,
rss_feeds
)
| 25.861702 | 66 | 0.604596 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | import logging
class Logger:
__register = False
def __init__(self):
if not self.__register:
self._init_default_register()
def _init_default_register(self):
logger = logging.getLogger()
logger.setLevel(logging.INFO)
Logger.__register = True
logging.info("Logger initialized")
def get_logger(self, filename):
return logging.getLogger(filename)
def log(cls):
cls.logger = Logger().get_logger(cls.__name__)
return cls
| 20.083333 | 50 | 0.613861 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python |
headers_list = [
{
"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:77.0) Gecko/20100101 Firefox/77.0",
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
"Accept-Language": "en-US,en;q=0.5",
"Referer": "https://www.google.com/",
"DNT": "1",
"Connection": "keep-alive",
"Upgrade-Insecure-Requests": "1"
},
{
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0",
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
"Accept-Language": "en-US,en;q=0.5",
"Referer": "https://www.google.com/",
"DNT": "1",
"Connection": "keep-alive",
"Upgrade-Insecure-Requests": "1"
},
{
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
"Accept-Encoding": "gzip, deflate",
"Accept-Language": "en-GB,en-US;q=0.9,en;q=0.8",
"Dnt": "1",
"Referer": "https://www.google.com/",
"Upgrade-Insecure-Requests": "1",
"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36",
"X-Amzn-Trace-Id": "Root=1-5ee7bae0-82260c065baf5ad7f0b3a3e3"
},
{
"User-Agent": 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0',
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
"Accept-Language": "pl-PL,pl;q=0.9,en-US;q=0.8,en;q=0.7",
"Referer": "https://www.reddit.com/",
"DNT": "1",
"Connection": "keep-alive",
"Upgrade-Insecure-Requests": "1"
}
] | 42.609756 | 146 | 0.564633 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python |
import re
import random
from contextlib import closing
from requests import get
from log import log
from parser.random_headers_list import headers_list
@log
class WebParser:
def __init__(self, website_url, rotate_header=True):
self.url = website_url
self._rotate_header = rotate_header
def get_random_header(self):
if self._rotate_header:
return random.choice(headers_list)
def get_content(self, timeout=30, proxies=None):
kwargs = {
"timeout": timeout,
"proxies": proxies,
"headers": self.get_random_header()
}
try:
with closing(get(self.url, **kwargs)) as response:
if self.is_good_response(response):
return (
response.content
)
except Exception as err:
self.logger.info(f"Error occurred: {err}")
@staticmethod
def is_good_response(response):
content_type = response.headers['Content-Type'].lower()
return (
response.status_code == 200
and content_type is not None
)
def __str__(self):
domain = re.sub("(http[s]?://|www.)", "", self.url)
return f"WebParser of {domain.upper()}"
| 26.934783 | 63 | 0.566199 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from bs4 import BeautifulSoup
from dataclasses import dataclass, field
from parser import WebParser
from log import log
@dataclass
class ProxyRecord:
ip_address: str
port: int
country_code: str
country: str
anonymity: str
google: str
https: str
last_checked: str
proxy: dict = field(init=False, default=None)
def __post_init__(self):
self.proxy = self.format_proxy()
def format_proxy(self):
protocol = "https" if self.https == "yes" else "http"
url = f"{protocol}://{self.ip_address}:{self.port}"
return {"http": url, "https": url}
@log
class ProxyPoolScraper:
def __init__(self, url, bs_parser="lxml"):
self.parser = WebParser(url)
self.bs_parser = bs_parser
def get_proxy_stream(self, limit):
raw_records = self.extract_table_raw_records()
clean_records = list(
map(self._clear_up_record, raw_records)
)
for record in clean_records[:limit]:
self.logger.info(f"Proxy record: {record}")
if record:
yield ProxyRecord(*record)
def extract_table_raw_records(self):
content = self.parser.get_content()
soup_object = BeautifulSoup(content, self.bs_parser)
return (
soup_object
.find(id="list")
.find_all("tr")
)
def _clear_up_record(self, raw_record):
return [
val.text for val
in raw_record.find_all("td")
]
| 25.103448 | 61 | 0.58427 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | import time
from dataclasses import dataclass
from parser import WebParser
from log import log
@dataclass(frozen=True)
class ProxyStatus:
proxy: str
health: float
is_valid: bool
@log
class ProxyPoolValidator:
def __init__(self, url, timeout=10, checks=3, sleep_interval=0.1):
self.timeout = timeout
self.checks = checks
self.sleep_interval = sleep_interval
self.parser = WebParser(url, rotate_header=True)
def validate_proxy(self, proxy_record):
consecutive_checks = []
for _ in range(self.checks):
content = self.parser.get_content(
timeout=self.timeout,
proxies=proxy_record.proxy
)
time.sleep(self.sleep_interval)
consecutive_checks.append(int(content is not None))
health = sum(consecutive_checks) / self.checks
proxy_status = ProxyStatus(
proxy=proxy_record.proxy,
health=health,
is_valid=health > 0.66
)
self.logger.info(f"Proxy status: {proxy_status}")
return proxy_status
| 26.775 | 70 | 0.616216 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | import json
import redis
from log import log
@log
class RedisProxyPoolClient:
def __init__(self, key, redis_config):
self.key = key
self.redis = redis.StrictRedis(
**redis_config
)
def __enter__(self):
return self
def override_existing_proxies(self, proxies):
self.logger.info(f"Overriding existing proxies {proxies}")
self.redis.delete(self.key)
self.redis.lpush(self.key, *proxies)
def list_existing_proxies(self):
response = self.redis.lrange(self.key, 0, -1)
return [
json.loads(proxy) for proxy in response
]
def get_proxy(self):
existing_proxies = self.list_existing_proxies()
if len(existing_proxies) > 0:
return existing_proxies[0]
def lpop_proxy(self):
self.logger.info("Deleting proxy!")
self.redis.lpop(self.key)
def __exit__(self, type, value, traceback):
client_id = self.redis.client_id()
self.redis.client_kill_filter(
_id=client_id
)
| 24.5 | 66 | 0.594393 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | import functools
from log import log
@log
class RetryOnException:
def __init__(self, retries):
self._retries = retries
def __call__(self, function):
functools.update_wrapper(self, function)
def wrapper(*args, **kwargs):
self.logger.info(f"Retries: {self._retries}")
while self._retries != 0:
try:
return function(*args, **kwargs)
self._retries = 0
except Exception as err:
self.logger.info(f"Error occured: {err}")
self._retries -= 1
self._raise_on_condition(self._retries, err)
return wrapper
def _raise_on_condition(self, retries, exception):
if retries == 0:
raise exception
else:
self.logger.info(f"Retries: {retries}")
| 28 | 64 | 0.527043 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | import json
import time
from kafka import KafkaProducer
class NewsExporter:
def __init__(self, bootstrap_servers):
self._producer = self._connect_producer(
bootstrap_servers
)
def _connect_producer(self, bootstrap_servers):
def encode_news(value):
return json.dumps(value).encode("utf-8")
producer = KafkaProducer(
bootstrap_servers=bootstrap_servers,
value_serializer=lambda x: encode_news(x)
)
return producer
def __enter__(self):
return self
def export_news_to_broker(self, topic, record, sleep_time=0.01):
response = self._producer.send(
topic,
value=record
)
time.sleep(sleep_time)
return response.get(
timeout=60
)
def __exit__(self, type, value, traceback):
self._producer.close()
| 23.432432 | 68 | 0.581395 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | import re
from dataclasses import dataclass
import atoma
from parser import WebParser
@dataclass(frozen=True)
class News:
_id: str
title: str
link: str
published: str
description: str
author: str
language: str
def as_dict(self):
return self.__dict__
class NewsProducer:
def __init__(self, rss_feed, language):
self.parser = WebParser(rss_feed, rotate_header=True)
self.formatter = NewsFormatter(language)
def _extract_news_feed_items(self, proxies):
content = self.parser.get_content(proxies=proxies)
news_feed = atoma.parse_rss_bytes(content)
return news_feed.items
def get_news_stream(self, proxies):
news_feed_items = self._extract_news_feed_items(proxies)
for entry in news_feed_items:
formatted_entry = self.formatter.format_entry(entry)
yield formatted_entry
class NewsFormatter:
def __init__(self, language):
self.language = language
self.date_format = "%Y-%m-%d %H:%M:%S"
self.id_regex = "[^0-9a-zA-Z_-]+"
self.default_author = "Unknown"
def format_entry(self, entry):
description = self.format_description(entry)
return News(
self.construct_id(entry.title),
entry.title,
entry.link,
self.unify_date(entry.pub_date),
description,
self.assign_author(entry.author),
self.language
)
def construct_id(self, title):
return re.sub(self.id_regex, "", title).lower()
def unify_date(self, date):
return date.strftime(self.date_format)
def assign_author(self, author):
return self.default_author if not author else author
def format_description(self, entry):
tmp_description = re.sub("<.*?>", "", entry.description[:1000])
index = tmp_description.rfind(".")
short_description = tmp_description[:index+1]
return (
short_description if short_description
else entry.title
)
| 26.945946 | 71 | 0.610547 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python |
class NewsValidator:
def __init__(self, config):
self._config = config
def validate_news(self, news):
news = news.as_dict()
assert self.check_languages(news), "Wrong language!"
assert self.check_null_values(news), "Null values!"
assert self.check_description_length(news), "Short description!"
def check_null_values(self, news):
news_values = list(news.values())
return all(news_values)
def check_description_length(self, news):
description_length = self._config.get("description_length")
return len(news.get("description")) >= description_length
def check_languages(self, news):
languages = self._config.get("languages")
lang = news.get("language")
return any(
filter(lambda x: x == lang, languages)
)
| 30.333333 | 72 | 0.620118 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from pkg_resources import resource_string
import pytest
import fakeredis
from parser import WebParser
from requests import Response
from rss_news import NewsProducer, NewsFormatter, NewsValidator, News
from proxypool import ProxyPoolScraper, ProxyRecord
from retry import RetryOnException as retry
TEST_URL = "https://test.com"
@pytest.fixture
def web_parser():
yield WebParser(TEST_URL)
@pytest.fixture
def scraper():
yield ProxyPoolScraper(TEST_URL)
@pytest.fixture
def proxies():
yield [
{
"http": "http://127.0.0.1:8080",
"https": "http://127.0.0.1:8080"
}
]
@pytest.fixture
def proxy_record():
yield ProxyRecord(
"127.0.0.1",
8080,
"PL",
"POLAND",
"gold",
"no",
"no",
"30 minutes ago"
)
@pytest.fixture
def producer():
yield NewsProducer(TEST_URL, "en")
@pytest.fixture
def formatter():
yield NewsFormatter("en")
@pytest.fixture
def validator():
yield NewsValidator(
{
"description_length": 10,
"languages": ["en"]
}
)
@pytest.fixture
def news_record():
yield News(
"test_id", "test_title", "test_link",
"test_pub", "test_desc", "test_author", "en"
)
@pytest.fixture
def redis_mock():
yield fakeredis.FakeStrictRedis()
@pytest.fixture
def redis_config():
yield {
"host": "redis",
"port": "6379",
"db": 0
}
@pytest.fixture
def response():
def helper(status_code):
response = Response()
response.status_code = status_code
response.headers['Content-Type'] = "text/html"
return response
yield helper
@pytest.fixture
def raw_content():
def helper(filename):
return resource_string(
"tests",
f"dataresources/{filename}"
)
yield helper
@pytest.fixture
def add_function():
@retry(5)
def func(a, b):
return a + b
yield func
| 15.708333 | 69 | 0.590818 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from proxypool import ProxyRecord
from unittest.mock import patch
from ..fixtures import web_parser, scraper, raw_content
@patch("parser.web_parser.WebParser.get_content")
def test_get_proxy_stream(get_content, raw_content, web_parser, scraper):
get_content.return_value = raw_content("proxy_list_file.txt")
scraper.parser = web_parser
stream = scraper.get_proxy_stream(5)
result = list(stream)[-1]
assert isinstance(result, ProxyRecord)
| 26.352941 | 73 | 0.741379 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from unittest.mock import patch
from proxypool import ProxyPoolValidator
from ..fixtures import web_parser, raw_content, proxy_record
@patch("parser.web_parser.WebParser.get_content")
def test_validate_proxy(get_content, raw_content, web_parser, proxy_record):
expected = True
get_content.return_value = raw_content("proxy_list_file.txt")
validator = ProxyPoolValidator("https://google.com", sleep_interval=0)
validator.parser = web_parser
proxy_record = validator.validate_proxy(proxy_record)
result = proxy_record.is_valid
assert result == expected
@patch("parser.web_parser.WebParser.get_content")
def test_invalid_proxy(get_content, raw_content, web_parser, proxy_record):
expected = False
get_content.return_value = None
validator = ProxyPoolValidator("https://google.com", sleep_interval=0)
validator.parser = web_parser
proxy_record = validator.validate_proxy(proxy_record)
result = proxy_record.is_valid
assert result == expected
@patch("parser.web_parser.WebParser.get_content")
def test_unstable_valid_proxy(get_content, raw_content, web_parser, proxy_record):
expected = True
valid_content = raw_content("proxy_list_file.txt")
get_content.side_effect = [valid_content, valid_content, None]
validator = ProxyPoolValidator("https://google.com", sleep_interval=0)
validator.parser = web_parser
proxy_record = validator.validate_proxy(proxy_record)
result = proxy_record.is_valid
assert result == expected
assert round(proxy_record.health, 2) == 0.67
@patch("parser.web_parser.WebParser.get_content")
def test_unstable_invalid_proxy(get_content, raw_content, web_parser, proxy_record):
expected = False
valid_content = raw_content("proxy_list_file.txt")
get_content.side_effect = [None, None, valid_content]
validator = ProxyPoolValidator("https://google.com", sleep_interval=0)
validator.parser = web_parser
proxy_record = validator.validate_proxy(proxy_record)
result = proxy_record.is_valid
assert result == expected
assert round(proxy_record.health, 2) == 0.33
| 33.177419 | 84 | 0.725685 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | import json
from unittest.mock import patch
from proxypool import RedisProxyPoolClient
from ..fixtures import redis_config, redis_mock, proxies
@patch("proxypool.redis_proxypool_client.redis.StrictRedis")
def test_override_existing_proxies(redis, redis_config, redis_mock, proxies):
new_proxies = [{"http": "http://127.0.0.1:8081", "https": "http://127.0.0.1:8081"}]
key = "test"
redis_mock.lpush(key, *[json.dumps(_) for _ in proxies])
redis_client = RedisProxyPoolClient(key, redis_config)
redis_client.redis = redis_mock
redis_client.override_existing_proxies(
[json.dumps(_) for _ in new_proxies]
)
current_proxies = redis_mock.lrange(key, 0, -1)
result = [json.loads(_) for _ in current_proxies]
assert result != proxies
@patch("proxypool.redis_proxypool_client.redis.StrictRedis")
def test_list_existing_proxies(redis, redis_config, redis_mock, proxies):
key = "test"
redis_mock.lpush(key, *[json.dumps(_) for _ in proxies])
redis_client = RedisProxyPoolClient(key, redis_config)
redis_client.redis = redis_mock
result = redis_client.list_existing_proxies()
assert result == proxies
@patch("proxypool.redis_proxypool_client.redis.StrictRedis")
def test_lpop_proxy(redis, redis_config, redis_mock, proxies):
expected = 1
key = "test"
redis_mock.lpush(key, *[json.dumps(_) for _ in proxies])
redis_client = RedisProxyPoolClient(key, redis_config)
redis_client.redis = redis_mock
redis_client.lpop_proxy()
assert len(proxies) == expected
@patch("proxypool.redis_proxypool_client.redis.StrictRedis")
def test_get_proxy(redis, redis_config, redis_mock, proxies):
expected = proxies[0]
key = "test"
redis_mock.lpush(key, *[json.dumps(_) for _ in proxies])
redis_client = RedisProxyPoolClient(key, redis_config)
redis_client.redis = redis_mock
result = redis_client.get_proxy()
assert result == expected
@patch("proxypool.redis_proxypool_client.redis.StrictRedis")
def test_redis_client_context_manager(redis, redis_config):
key = "test"
with RedisProxyPoolClient(key, redis_config) as redis_client:
pass
| 28.486486 | 87 | 0.695552 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | import pytest
from ..fixtures import add_function
def test_retry_on_exception_valid(add_function):
expected = 2
result = add_function(1, 1)
assert result == expected
def test_retry_on_exception_wrong(add_function):
with pytest.raises(TypeError):
add_function("Test", 0.0001)
| 16.111111 | 48 | 0.690554 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from unittest.mock import patch, Mock
import pytest
from rss_news import NewsExporter
@patch("rss_news.rss_news_exporter.KafkaProducer")
def test_connect_producer(mock_producer):
exporter = NewsExporter(["test_broker:9092"])
assert exporter._producer is not None
@patch("rss_news.NewsExporter")
def test_export_news_to_broker(exporter):
topic = "test_topic"
news = {
"_id": "test_id",
"title": "test_title",
"link": "www.test.com",
"date": "2020-01-01 00:00:00",
"description": "Test",
"author": "Test",
"language": "pl"
}
exporter.export_news_to_broker(topic, news)
exporter.export_news_to_broker.assert_called_once_with(
topic, news
)
@patch("rss_news.rss_news_exporter.KafkaProducer")
def test_export_news_to_broker_context_manager(mock_producer):
topic = "test_topic"
news = {
"_id": "test_id",
"title": "test_title",
"link": "www.test.com",
"date": "2020-01-01 00:00:00",
"description": "Test",
"author": "Test",
"language": "pl"
}
with NewsExporter(["test_broker:9092"]) as exporter:
exporter.export_news_to_broker(topic, news)
exporter._producer.send.assert_called_once_with(
topic, value=news
)
| 24.843137 | 62 | 0.601367 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | import datetime
from unittest.mock import patch
import pytest
from rss_news import News
from ..fixtures import web_parser, raw_content, producer, proxies, formatter
@patch("parser.web_parser.WebParser.get_content")
def test_get_news_stream(get_content, web_parser, raw_content, producer, proxies):
get_content.return_value = raw_content("rss_news_file.txt")
producer.parser = web_parser
stream = producer.get_news_stream(proxies)
result = list(stream)[-1]
assert isinstance(result, News)
@pytest.mark.parametrize(
"title, expected_id",
[
("example////1 example", "example1example"),
("example%%%%%%%2 example", "example2example"),
("*******example-3_ xx example", "example-3_xxexample")]
)
def test_construct_id(formatter, title, expected_id):
result = formatter.construct_id(title)
assert result == expected_id
def test_unify_date(formatter):
expected = "2020-05-17 00:00:00"
date = datetime.datetime(2020, 5, 17)
result = formatter.unify_date(date)
assert result == expected
def test_format_description(formatter):
expected = """Lorem ipsum dolor sit amet, consectetur adipiscing elit,
sed do eiusmod tempor incididunt ut labore et dolore magna aliqua."""
class Entry:
description = """Lorem ipsum dolor sit amet, consectetur adipiscing elit,
sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation"""
title = "Lorem ipsum"
class EmptyEntry:
description = ""
title = "Lorem ipsum"
result = formatter.format_description(Entry)
result_empty = formatter.format_description(EmptyEntry)
assert result == expected
assert result_empty == EmptyEntry.title
@pytest.mark.parametrize(
"author, expected",[(None, "Unknown"), ("Test", "Test")]
)
def test_assing_author(formatter, author, expected):
result = formatter.assign_author(author)
assert result == expected
| 26.657534 | 82 | 0.68335 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | import pytest
from rss_news import News
from ..fixtures import validator, news_record
def test_check_null_values(validator, news_record):
expected = True
news = news_record.as_dict()
result = validator.check_null_values(news)
assert result is expected
def test_check_null_values_with_nones(validator, news_record):
expected = False
news = news_record.as_dict()
news["id"] = None
result = validator.check_null_values(news)
assert result is expected
def test_check_languages(validator, news_record):
expected = True
news = news_record.as_dict()
result = validator.check_languages(news)
assert result is expected
def test_validate_news_raises_error(validator, news_record):
with pytest.raises(AssertionError):
validator.validate_news(news_record)
| 19.095238 | 62 | 0.69395 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from unittest.mock import patch
import pytest
from pytest import fixture
from requests.exceptions import ConnectionError
from parser import WebParser
from ..fixtures import web_parser, response
@patch("parser.web_parser.get")
def test_get_content(mock_get, web_parser):
expected = "TEST CONTENT"
mock_get.return_value.content = "TEST CONTENT"
mock_get.return_value.status_code = 200
mock_get.return_value.headers['Content-Type'] = "text/html"
result = web_parser.get_content()
assert result == expected
@patch("parser.web_parser.get")
def test_get_content_silence_exception(mock_get, web_parser):
expected = None
mock_get.side_effect = ConnectionError()
result = web_parser.get_content()
assert result == expected
@pytest.mark.parametrize(
"status_code, expected",
[(200, True), (403, False), (500, False)]
)
def test_is_good_response(web_parser, response, status_code, expected):
http_response = response(status_code)
result = web_parser.is_good_response(http_response)
assert result == expected
def test_get_random_header(web_parser):
expected = "User-Agent"
random_header = web_parser.get_random_header()
result = list(random_header.keys())
assert expected in result
@pytest.mark.parametrize(
"url, expected",
[
("https://test.com", "WebParser of TEST.COM"),
("https://www.test.com", "WebParser of TEST.COM"),
("www.test.com", "WebParser of TEST.COM")
]
)
def test__str__representation(url, expected):
web_parser = WebParser(url)
result = str(web_parser)
assert result == expected
| 22.985507 | 71 | 0.674123 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | """
Django settings for core project.
Generated by 'django-admin startproject' using Django 2.2.
For more information on this file, see
https://docs.djangoproject.com/en/2.2/topics/settings/
For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.2/ref/settings/
"""
import os
# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/2.2/howto/deployment/checklist/
# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.getenv('DJANGO_SECRET', 'default_secret_key')
# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = False
ALLOWED_HOSTS = os.environ['ALLOWED_HOSTS'].split(",")
# Application definition
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'rest_framework',
'rest_framework.authtoken',
'rest_framework_swagger',
'django_elasticsearch_dsl',
'django_elasticsearch_dsl_drf',
'users',
'news',
'search'
]
MIDDLEWARE = [
'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
]
ROOT_URLCONF = 'core.urls'
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [],
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
],
},
},
]
WSGI_APPLICATION = 'core.wsgi.application'
# Database
# https://docs.djangoproject.com/en/2.2/ref/settings/#databases
DATABASES = {
'default': {
'ENGINE': 'djongo',
'ENFORCE_SCHEMA': True,
'LOGGING': {
'version': 1,
'loggers': {
'djongo': {
'level': 'DEBUG',
'propogate': False,
}
},
},
'NAME': 'rss_news',
'CLIENT': {
'host': os.environ['MONGO_HOST'],
'port': 27017,
'username': os.environ['MONGO_USR'],
'password': os.environ['MONGO_PASSWD'],
'authSource': 'admin'
}
}
}
ELASTICSEARCH_DSL = {
'default': {
'hosts': f"{os.environ['ELASTIC_HOST']}:9200"
},
}
# Password validation
# https://docs.djangoproject.com/en/2.2/ref/settings/#auth-password-validators
AUTH_PASSWORD_VALIDATORS = [
{
'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
},
]
# Internationalization
# https://docs.djangoproject.com/en/2.2/topics/i18n/
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'UTC'
USE_I18N = True
USE_L10N = True
USE_TZ = True
# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.2/howto/static-files/
STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'static/')
REST_FRAMEWORK = {
'DEFAULT_AUTHENTICATION_CLASSES': (
'rest_framework.authentication.TokenAuthentication',
),
'DEFAULT_PERMISSION_CLASSES': (
'rest_framework.permissions.IsAuthenticated',
),
'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.LimitOffsetPagination',
'PAGE_SIZE': 10,
'DEFAULT_PARSER_CLASSES': [
'rest_framework.parsers.FormParser',
'rest_framework.parsers.MultiPartParser',
'rest_framework.parsers.JSONParser',
]
}
SWAGGER_SETTINGS = {
'SECURITY_DEFINITIONS': {
'api_key': {
'type': 'apiKey',
'in': 'header',
'name': 'Authorization'
},
'is_authenticated': True,
},
}
LOGIN_URL='user/register/'
AUTH_USER_MODEL = 'users.UserModel' | 24.912088 | 91 | 0.627784 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from django.urls import path
from users.views import UserCreateView, ObtainTokenView
app_name = "user"
urlpatterns = [
path("register/", UserCreateView.as_view(), name="register"),
path("login/", ObtainTokenView.as_view(), name="login")
]
| 21.818182 | 65 | 0.712 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | """
WSGI config for core project.
It exposes the WSGI callable as a module-level variable named ``application``.
For more information on this file, see
https://docs.djangoproject.com/en/2.2/howto/deployment/wsgi/
"""
import os
from django.core.wsgi import get_wsgi_application
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
application = get_wsgi_application()
| 21.705882 | 78 | 0.766234 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | #!/usr/bin/env python
"""Django's command-line utility for administrative tasks."""
import os
import sys
def main():
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
try:
from django.core.management import execute_from_command_line
except ImportError as exc:
raise ImportError(
"Couldn't import Django. Are you sure it's installed and "
"available on your PYTHONPATH environment variable? Did you "
"forget to activate a virtual environment?"
) from exc
execute_from_command_line(sys.argv)
if __name__ == '__main__':
main()
| 27.409091 | 73 | 0.655449 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from rest_framework import routers
from django.contrib import admin
from rest_framework.authtoken.models import Token
from news.models import News
from news.urls import urlpatterns
from users.models import UserModel
class NewsAdminSite(admin.AdminSite):
def get_urls(self):
urls = super(NewsAdminSite, self).get_urls()
custom_urls = [*urlpatterns]
return custom_urls + urls
admin_site = NewsAdminSite()
admin_site.register(UserModel)
admin_site.register(Token)
admin_site.register(News)
| 24 | 52 | 0.753817 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from django.apps import AppConfig
class UsersConfig(AppConfig):
name = 'users'
| 13.333333 | 33 | 0.741176 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from django.db import models
from django.contrib.auth.models import (
AbstractBaseUser, BaseUserManager, PermissionsMixin
)
class UserManager(BaseUserManager):
def create_user(self, email, password=None, **kwargs):
if not email:
raise ValueError("Must have an email address")
email = self.normalize_email(email)
user = self.model(email=email, **kwargs)
user.set_password(password)
user.save(using=self._db)
return user
def create_superuser(self, email, password):
user = self.create_user(email, password)
user.is_staff = True
user.is_superuser = True
user.save(using=self._db)
return user
class UserModel(AbstractBaseUser, PermissionsMixin):
email = models.EmailField(max_length=255, unique=True)
name = models.CharField(max_length=255)
is_active = models.BooleanField(default=True)
is_staff = models.BooleanField(default=False)
objects = UserManager()
USERNAME_FIELD = "email"
| 27.027027 | 58 | 0.666023 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from django.contrib.auth import authenticate
from rest_framework import serializers
from rest_framework.authtoken.models import Token
from users.models import UserModel
class UserSerializer(serializers.ModelSerializer):
class Meta:
model = UserModel
fields = ("email", "password")
extra_kwargs = {
"password": {
"write_only": True,
"min_length": 5
}
}
def create(self, validated_data):
user = UserModel(
email=validated_data["email"]
)
user.set_password(validated_data["password"])
user.save()
return user
class AuthTokenSerializer(serializers.Serializer):
email = serializers.CharField()
password = serializers.CharField(
style={
"input_tye": "password"
},
trim_whitespace=False
)
def validate(self, attrs):
email = attrs.get("email")
password = attrs.get("password")
user = authenticate(
request=self.context.get("request"),
email=email,
password=password
)
if not user:
raise serializers.ValidationError(
"Unable to authenticate with provided credentials",
code="authentication"
)
attrs["user"] = user
return attrs
| 23.614035 | 67 | 0.560628 |
DataEngineeringProject | https://github.com/damklis/DataEngineeringProject | Example end to end data engineering project. | 920 | 192 | 2023-12-04 19:31:15+00:00 | 2020-06-30 09:33:56+00:00 | 1,845 | MIT License | Python | from django.test import TestCase
from django.urls.resolvers import URLResolver
from news.admin import NewsAdminSite
class TestAdminSite(TestCase):
def setUp(self):
self.admin_site = NewsAdminSite()
def test_api_urls_in_admin_site(self):
expected = "'api/'"
urls_objects = self.admin_site.get_urls()
urls = list(
filter(lambda x: isinstance(x, URLResolver), urls_objects)
)
result = urls[0].pattern.describe()
self.assertEqual(result, expected)
| 22.347826 | 70 | 0.641791 |