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import math
import re
from datetime import datetime
from typing import Optional
from open_webui.utils.misc import get_last_user_message, get_messages_content
def prompt_template(
template: str, user_name: Optional[str] = None, user_location: Optional[str] = None
) -> str:
# Get the current date
current_date = datetime.now()
# Format the date to YYYY-MM-DD
formatted_date = current_date.strftime("%Y-%m-%d")
formatted_time = current_date.strftime("%I:%M:%S %p")
template = template.replace("{{CURRENT_DATE}}", formatted_date)
template = template.replace("{{CURRENT_TIME}}", formatted_time)
template = template.replace(
"{{CURRENT_DATETIME}}", f"{formatted_date} {formatted_time}"
)
if user_name:
# Replace {{USER_NAME}} in the template with the user's name
template = template.replace("{{USER_NAME}}", user_name)
else:
# Replace {{USER_NAME}} in the template with "Unknown"
template = template.replace("{{USER_NAME}}", "Unknown")
if user_location:
# Replace {{USER_LOCATION}} in the template with the current location
template = template.replace("{{USER_LOCATION}}", user_location)
else:
# Replace {{USER_LOCATION}} in the template with "Unknown"
template = template.replace("{{USER_LOCATION}}", "Unknown")
return template
def replace_prompt_variable(template: str, prompt: str) -> str:
def replacement_function(match):
full_match = match.group(0)
start_length = match.group(1)
end_length = match.group(2)
middle_length = match.group(3)
if full_match == "{{prompt}}":
return prompt
elif start_length is not None:
return prompt[: int(start_length)]
elif end_length is not None:
return prompt[-int(end_length) :]
elif middle_length is not None:
middle_length = int(middle_length)
if len(prompt) <= middle_length:
return prompt
start = prompt[: math.ceil(middle_length / 2)]
end = prompt[-math.floor(middle_length / 2) :]
return f"{start}...{end}"
return ""
template = re.sub(
r"{{prompt}}|{{prompt:start:(\d+)}}|{{prompt:end:(\d+)}}|{{prompt:middletruncate:(\d+)}}",
replacement_function,
template,
)
return template
def title_generation_template(
template: str, prompt: str, user: Optional[dict] = None
) -> str:
template = replace_prompt_variable(template, prompt)
template = prompt_template(
template,
**(
{"user_name": user.get("name"), "user_location": user.get("location")}
if user
else {}
),
)
return template
def replace_messages_variable(template: str, messages: list[str]) -> str:
def replacement_function(match):
full_match = match.group(0)
start_length = match.group(1)
end_length = match.group(2)
middle_length = match.group(3)
# Process messages based on the number of messages required
if full_match == "{{MESSAGES}}":
return get_messages_content(messages)
elif start_length is not None:
return get_messages_content(messages[: int(start_length)])
elif end_length is not None:
return get_messages_content(messages[-int(end_length) :])
elif middle_length is not None:
mid = int(middle_length)
if len(messages) <= mid:
return get_messages_content(messages)
# Handle middle truncation: split to get start and end portions of the messages list
half = mid // 2
start_msgs = messages[:half]
end_msgs = messages[-half:] if mid % 2 == 0 else messages[-(half + 1) :]
formatted_start = get_messages_content(start_msgs)
formatted_end = get_messages_content(end_msgs)
return f"{formatted_start}\n{formatted_end}"
return ""
template = re.sub(
r"{{MESSAGES}}|{{MESSAGES:START:(\d+)}}|{{MESSAGES:END:(\d+)}}|{{MESSAGES:MIDDLETRUNCATE:(\d+)}}",
replacement_function,
template,
)
return template
def search_query_generation_template(
template: str, messages: list[dict], user: Optional[dict] = None
) -> str:
prompt = get_last_user_message(messages)
template = replace_prompt_variable(template, prompt)
template = replace_messages_variable(template, messages)
template = prompt_template(
template,
**(
{"user_name": user.get("name"), "user_location": user.get("location")}
if user
else {}
),
)
return template
def moa_response_generation_template(
template: str, prompt: str, responses: list[str]
) -> str:
def replacement_function(match):
full_match = match.group(0)
start_length = match.group(1)
end_length = match.group(2)
middle_length = match.group(3)
if full_match == "{{prompt}}":
return prompt
elif start_length is not None:
return prompt[: int(start_length)]
elif end_length is not None:
return prompt[-int(end_length) :]
elif middle_length is not None:
middle_length = int(middle_length)
if len(prompt) <= middle_length:
return prompt
start = prompt[: math.ceil(middle_length / 2)]
end = prompt[-math.floor(middle_length / 2) :]
return f"{start}...{end}"
return ""
template = re.sub(
r"{{prompt}}|{{prompt:start:(\d+)}}|{{prompt:end:(\d+)}}|{{prompt:middletruncate:(\d+)}}",
replacement_function,
template,
)
responses = [f'"""{response}"""' for response in responses]
responses = "\n\n".join(responses)
template = template.replace("{{responses}}", responses)
return template
def tools_function_calling_generation_template(template: str, tools_specs: str) -> str:
template = template.replace("{{TOOLS}}", tools_specs)
return template
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