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143 lines
5.4 KiB
Python
143 lines
5.4 KiB
Python
from __future__ import annotations
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import os
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from requests import get
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from importlib.metadata import version as get_package_version, PackageNotFoundError
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from subprocess import check_output, CalledProcessError, PIPE
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from .models import Model, ModelUtils, _all_models
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from .Provider import BaseProvider, AsyncGeneratorProvider, RetryProvider
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from .typing import Messages, CreateResult, AsyncResult, Union, List
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from . import debug
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def get_version() -> str:
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# Read from package manager
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try:
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return get_package_version("g4f")
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except PackageNotFoundError:
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pass
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# Read from docker environment
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current_version = os.environ.get("G4F_VERSION")
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if current_version:
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return current_version
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# Read from git repository
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try:
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command = ["git", "describe", "--tags", "--abbrev=0"]
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return check_output(command, text=True, stderr=PIPE).strip()
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except CalledProcessError:
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pass
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def get_lastet_version() -> str:
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response = get("https://pypi.org/pypi/g4f/json").json()
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return response["info"]["version"]
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def check_pypi_version() -> None:
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try:
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version = get_version()
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latest_version = get_lastet_version()
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except Exception as e:
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print(f'Failed to check g4f pypi version: {e}')
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if version != latest_version:
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print(f'New pypi version: {latest_version} (current: {version}) | pip install -U g4f')
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def get_model_and_provider(model : Union[Model, str],
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provider : Union[type[BaseProvider], None],
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stream : bool,
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ignored : List[str] = None,
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ignore_working: bool = False,
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ignore_stream: bool = False) -> tuple[Model, type[BaseProvider]]:
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if debug.version_check:
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check_pypi_version()
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debug.version_check = False
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if isinstance(model, str):
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if model in ModelUtils.convert:
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model = ModelUtils.convert[model]
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else:
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raise ValueError(f'The model: {model} does not exist')
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if not provider:
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provider = model.best_provider
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if isinstance(provider, RetryProvider) and ignored:
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provider.providers = [p for p in provider.providers if p.__name__ not in ignored]
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if not provider:
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raise RuntimeError(f'No provider found for model: {model}')
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if not provider.working and not ignore_working:
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raise RuntimeError(f'{provider.__name__} is not working')
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if not ignore_stream and not provider.supports_stream and stream:
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raise ValueError(f'{provider.__name__} does not support "stream" argument')
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if debug.logging:
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print(f'Using {provider.__name__} provider')
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return model, provider
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class ChatCompletion:
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@staticmethod
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def create(model : Union[Model, str],
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messages : Messages,
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provider : Union[type[BaseProvider], None] = None,
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stream : bool = False,
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auth : Union[str, None] = None,
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ignored : List[str] = None,
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ignore_working: bool = False,
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ignore_stream_and_auth: bool = False,
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**kwargs) -> Union[CreateResult, str]:
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model, provider = get_model_and_provider(model, provider, stream, ignored, ignore_working, ignore_stream_and_auth)
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if not ignore_stream_and_auth and provider.needs_auth and not auth:
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raise ValueError(
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f'{provider.__name__} requires authentication (use auth=\'cookie or token or jwt ...\' param)')
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if auth:
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kwargs['auth'] = auth
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result = provider.create_completion(model.name, messages, stream, **kwargs)
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return result if stream else ''.join(result)
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@staticmethod
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async def create_async(model : Union[Model, str],
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messages : Messages,
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provider : Union[type[BaseProvider], None] = None,
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stream : bool = False,
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ignored : List[str] = None,
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**kwargs) -> Union[AsyncResult, str]:
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model, provider = get_model_and_provider(model, provider, False, ignored)
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if stream:
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if isinstance(provider, type) and issubclass(provider, AsyncGeneratorProvider):
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return await provider.create_async_generator(model.name, messages, **kwargs)
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raise ValueError(f'{provider.__name__} does not support "stream" argument')
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return await provider.create_async(model.name, messages, **kwargs)
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class Completion:
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@staticmethod
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def create(model : Union[Model, str],
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prompt : str,
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provider : Union[type[BaseProvider], None] = None,
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stream : bool = False,
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ignored : List[str] = None, **kwargs) -> Union[CreateResult, str]:
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allowed_models = [
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'code-davinci-002',
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'text-ada-001',
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'text-babbage-001',
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'text-curie-001',
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'text-davinci-002',
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'text-davinci-003'
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]
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if model not in allowed_models:
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raise Exception(f'ValueError: Can\'t use {model} with Completion.create()')
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model, provider = get_model_and_provider(model, provider, stream, ignored)
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result = provider.create_completion(model.name, [{"role": "user", "content": prompt}], stream, **kwargs)
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return result if stream else ''.join(result) |