Files
ALwrity/backend/services/llm_providers/openai_provider.py
2025-08-06 12:48:02 +05:30

133 lines
4.8 KiB
Python

"""OpenAI Provider Service for ALwrity Backend.
This service handles OpenAI API integrations,
migrated from the legacy lib/gpt_providers/text_generation/openai_text_gen.py
"""
import os
import time
import openai
import asyncio
from typing import Tuple
from loguru import logger
from tenacity import (
retry,
stop_after_attempt,
wait_random_exponential,
)
# Import APIKeyManager
from ..api_key_manager import APIKeyManager
async def test_openai_api_key(api_key: str) -> Tuple[bool, str]:
"""
Test if the provided OpenAI API key is valid.
Args:
api_key (str): The OpenAI API key to test
Returns:
tuple[bool, str]: A tuple containing (is_valid, message)
"""
try:
# Create OpenAI client with the provided key
client = openai.OpenAI(api_key=api_key)
# Try to list models as a simple API test
models = client.models.list()
# If we get here, the key is valid
return True, "OpenAI API key is valid"
except openai.AuthenticationError:
return False, "Invalid OpenAI API key"
except openai.RateLimitError:
return False, "Rate limit exceeded. Please try again later."
except Exception as e:
return False, f"Error testing OpenAI API key: {str(e)}"
@retry(wait=wait_random_exponential(min=1, max=60), stop=stop_after_attempt(6))
def openai_chatgpt(prompt: str, model: str = "gpt-4o", temperature: float = 0.7,
max_tokens: int = 4000, top_p: float = 0.9, n: int = 1,
fp: int = 16, system_prompt: str = None) -> str:
"""
Wrapper function for OpenAI's ChatGPT completion.
Args:
prompt (str): The input text to generate completion for.
model (str, optional): Model to be used for the completion. Defaults to "gpt-4o".
temperature (float, optional): Controls randomness. Lower values make responses more deterministic. Defaults to 0.7.
max_tokens (int, optional): Maximum number of tokens to generate. Defaults to 4000.
top_p (float, optional): Controls diversity. Defaults to 0.9.
n (int, optional): Number of completions to generate. Defaults to 1.
fp (int, optional): Frequency penalty. Defaults to 16.
system_prompt (str, optional): System prompt for the conversation. Defaults to None.
Returns:
str: The generated text completion.
Raises:
SystemExit: If an API error, connection error, or rate limit error occurs.
"""
# Wait for 5 seconds to comply with rate limits
for _ in range(5):
time.sleep(1)
try:
# Create variables to collect the stream of chunks
collected_chunks = []
collected_messages = []
full_reply_content = None
# Use APIKeyManager instead of direct environment variable access
api_key_manager = APIKeyManager()
api_key = api_key_manager.get_api_key("openai")
if not api_key:
raise ValueError("OpenAI API key not found. Please configure it in the onboarding process.")
client = openai.OpenAI(api_key=api_key)
# Prepare messages
messages = []
if system_prompt:
messages.append({"role": "system", "content": system_prompt})
messages.append({"role": "user", "content": prompt})
response = client.chat.completions.create(
model=model,
messages=messages,
max_tokens=max_tokens,
n=n,
top_p=top_p,
stream=True,
frequency_penalty=fp,
temperature=temperature
)
# Iterate through the stream of events
for chunk in response:
collected_chunks.append(chunk) # save the event response
chunk_message = chunk.choices[0].delta.content # extract the message
collected_messages.append(chunk_message) # save the message
print(chunk.choices[0].delta.content, end="", flush=True)
# Clean None in collected_messages
collected_messages = [m for m in collected_messages if m is not None]
full_reply_content = ''.join([m for m in collected_messages])
logger.info(f"[openai_chatgpt] Generated response with {len(full_reply_content)} characters")
return full_reply_content
except openai.APIError as e:
logger.error(f"OpenAI API Error: {e}")
raise SystemExit from e
except openai.RateLimitError as e:
logger.error(f"OpenAI Rate Limit Error: {e}")
raise SystemExit from e
except openai.APIConnectionError as e:
logger.error(f"OpenAI API Connection Error: {e}")
raise SystemExit from e
except Exception as e:
logger.error(f"Unexpected error in OpenAI API call: {e}")
raise SystemExit from e