Files
ALwrity/lib/gpt_providers/text_generation/main_text_generation.py
2024-04-12 18:56:20 +05:30

146 lines
5.0 KiB
Python

import os
import sys
import configparser
from pathlib import Path
from dotenv import load_dotenv
load_dotenv(Path('../.env'))
from loguru import logger
logger.remove()
logger.add(sys.stdout,
colorize=True,
format="<level>{level}</level>|<green>{file}:{line}:{function}</green>| {message}"
)
from .openai_text_gen import openai_chatgpt
from .gemini_pro_text import gemini_text_response
def llm_text_gen(prompt):
"""
Generate text using Language Model (LLM) based on the provided prompt.
Args:
prompt (str): The prompt to generate text from.
Returns:
str: Generated text based on the prompt.
"""
try:
config_path = Path(__file__).resolve().parents[3] / "main_config"
gpt_provider, model, temperature, max_tokens, top_p, n, fp = read_llm_parameters(config_path)
gpt_provider = check_gpt_provider(gpt_provider)
# Check if API key is provided for the given gpt_provider
get_api_key(gpt_provider)
logger.info(f"Temp: {temperature}, MaxTokens: {max_tokens}, TopP: {top_p}, N: {n}, FrequencyPenalty: {fp}")
# Perform text generation using the specified LLM parameters and prompt
if 'google' in gpt_provider.lower():
try:
logger.info("Using Google Gemini Pro text generation model.")
response = gemini_text_response(prompt, temperature, top_p, n, max_tokens)
return response
except Exception as err:
logger.error(f"Failed to get response from gemini: {err}")
raise err
elif 'openai' in gpt_provider.lower():
try:
logger.info(f"Using OpenAI Model: {model} for text Generation.")
response = openai_chatgpt(prompt, model, temperature, max_tokens, top_p, n, fp)
return response
except Exception as err:
logger.error(f"Failed to get response from Openai: {err}")
raise err
except Exception as err:
logger.error(f"Failed to read LLM parameters: {err}")
raise
def check_gpt_provider(gpt_provider):
"""
Check if the specified GPT provider matches the environment variable GPT_PROVIDER,
assign and export the GPT_PROVIDER value from the config file if missing,
and continue.
Args:
gpt_provider (str): The specified GPT provider.
Raises:
ValueError: If both the specified GPT provider and environment variable GPT_PROVIDER are missing.
"""
env_gpt_provider = os.getenv('GPT_PROVIDER')
if gpt_provider and if gpt_provider != env_gpt_provider:
logger.warning(f"Config: '{gpt_provider}' different to environment variable 'GPT_PROVIDER' '{env_gpt_provider}'")
logger.info(f"Using Environment GPT provider: {env_gpt_provider}")
gpt_provider = env_gpt_provider
return gpt_provider
def get_api_key(gpt_provider):
"""
Get the API key for the specified GPT provider.
Args:
gpt_provider (str): The specified GPT provider.
Returns:
str: The API key for the specified GPT provider.
Raises:
ValueError: If no API key is found for the specified GPT provider.
"""
api_key = None
if gpt_provider.lower() == 'google':
api_key = os.getenv('GEMINI_API_KEY')
elif gpt_provider.lower() == 'openai':
api_key = os.getenv('OPENAI_API_KEY')
if not api_key:
raise ValueError(f"No API key found for the specified GPT provider: '{gpt_provider}'")
logger.info(f"Using API key for {gpt_provider}")
return api_key
def read_llm_parameters(config_path: str) -> tuple:
"""
Read Language Model (LLM) parameters from the configuration file.
Args:
config_path (str): The path to the configuration file.
Returns:
tuple: A tuple containing the LLM parameters (gpt_provider, model, temperature, max_tokens, top_p, n, frequency_penalty).
Raises:
FileNotFoundError: If the configuration file is not found.
configparser.Error: If there is an error parsing the configuration file.
"""
try:
config = configparser.ConfigParser()
config.read(config_path, encoding="utf-8")
gpt_provider = config.get('llm_options', 'gpt_provider')
model = config.get('llm_options', 'model')
temperature = config.getfloat('llm_options', 'temperature')
max_tokens = config.getint('llm_options', 'max_tokens')
top_p = config.getfloat('llm_options', 'top_p')
n = config.getint('llm_options', 'n')
frequency_penalty = config.getfloat('llm_options', 'frequency_penalty')
return gpt_provider, model, temperature, max_tokens, top_p, n, frequency_penalty
except FileNotFoundError:
logger.error(f"Configuration file not found: {config_path}")
raise
except configparser.Error as err:
logger.error(f"Error reading LLM parameters from config file: {err}")
raise
except Exception as err:
logger.error(f"An unexpected error occurred: {err}")
raise