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from transformers import TapasTokenizer, TFTapasForQuestionAnswering | |
import pandas as pd | |
import datetime | |
def execute_query(query, csv_file): | |
a = datetime.datetime.now() | |
table = pd.read_csv(csv_file.name, delimiter=",") | |
table.fillna(0, inplace=True) | |
table = table.astype(str) | |
model_name = "google/tapas-base-finetuned-wtq" | |
model = TFTapasForQuestionAnswering.from_pretrained(model_name) | |
tokenizer = TapasTokenizer.from_pretrained(model_name) | |
queries = [query] | |
inputs = tokenizer(table=table, queries=queries, padding=True, return_tensors="tf",truncated=True) | |
outputs = model(**inputs) | |
predicted_answer_coordinates, predicted_aggregation_indices = tokenizer.convert_logits_to_predictions( | |
inputs, outputs.logits, outputs.logits_aggregation | |
) | |
# let's print out the results: | |
id2aggregation = {0: "NONE", 1: "SUM", 2: "AVERAGE", 3: "COUNT"} | |
aggregation_predictions_string = [id2aggregation[x] for x in predicted_aggregation_indices] | |
answers = [] | |
for coordinates in predicted_answer_coordinates: | |
if len(coordinates) == 1: | |
# only a single cell: | |
answers.append(table.iat[coordinates[0]]) | |
else: | |
# multiple cells | |
cell_values = [] | |
for coordinate in coordinates: | |
cell_values.append(table.iat[coordinate]) | |
answers.append(cell_values) | |
for query, answer, predicted_agg in zip(queries, answers, aggregation_predictions_string): | |
if predicted_agg != "NONE": | |
answers.append(predicted_agg) | |
query_result = { | |
"query": query, | |
"result": answers | |
} | |
b = datetime.datetime.now() | |
print(b - a) | |
return query_result, table | |