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from __future__ import annotations |
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import os |
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from .errors import * |
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from .models import Model, ModelUtils, _all_models |
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from .Provider import AsyncGeneratorProvider, ProviderUtils |
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from .typing import Messages, CreateResult, AsyncResult, Union |
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from . import debug, version |
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from .base_provider import BaseRetryProvider, ProviderType |
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def get_model_and_provider(model : Union[Model, str], |
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provider : Union[ProviderType, str, 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[str, ProviderType]: |
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if debug.version_check: |
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debug.version_check = False |
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version.utils.check_pypi_version() |
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if isinstance(provider, str): |
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if provider in ProviderUtils.convert: |
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provider = ProviderUtils.convert[provider] |
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else: |
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raise ProviderNotFoundError(f'Provider not found: {provider}') |
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if not provider: |
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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 ModelNotFoundError(f'Model not found: {model}') |
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provider = model.best_provider |
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if not provider: |
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raise ProviderNotFoundError(f'No provider found for model: {model}') |
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if isinstance(model, Model): |
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model = model.name |
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if ignored and isinstance(provider, BaseRetryProvider): |
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provider.providers = [p for p in provider.providers if p.__name__ not in ignored] |
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if not ignore_working and not provider.working: |
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raise ProviderNotWorkingError(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 StreamNotSupportedError(f'{provider.__name__} does not support "stream" argument') |
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if debug.logging: |
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if model: |
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print(f'Using {provider.__name__} provider and {model} model') |
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else: |
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print(f'Using {provider.__name__} provider') |
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debug.last_provider = 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[ProviderType, str, 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 AuthenticationRequiredError(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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if "proxy" not in kwargs: |
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proxy = os.environ.get("G4F_PROXY") |
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if proxy: |
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kwargs['proxy'] = proxy |
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result = provider.create_completion(model, messages, stream, **kwargs) |
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return result if stream else ''.join(result) |
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@staticmethod |
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def create_async(model : Union[Model, str], |
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messages : Messages, |
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provider : Union[ProviderType, str, 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 provider.create_async_generator(model, messages, **kwargs) |
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raise StreamNotSupportedError(f'{provider.__name__} does not support "stream" argument in "create_async"') |
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return provider.create_async(model, 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[ProviderType, 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 ModelNotAllowedError(f'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, [{"role": "user", "content": prompt}], stream, **kwargs) |
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return result if stream else ''.join(result) |
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def get_last_provider(as_dict: bool = False) -> Union[ProviderType, dict[str, str]]: |
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last = debug.last_provider |
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if isinstance(last, BaseRetryProvider): |
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last = last.last_provider |
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if last and as_dict: |
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return {"name": last.__name__, "url": last.url} |
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return last |
