from __future__ import annotations
import os
from . import debug, version
from .models import Model
from .typing import Messages, CreateResult, AsyncResult, Union
from .errors import StreamNotSupportedError, ModelNotAllowedError
from .cookies import get_cookies, set_cookies
from .providers.types import ProviderType
from .providers.base_provider import AsyncGeneratorProvider
from .client.service import get_model_and_provider, get_last_provider
class ChatCompletion:
@staticmethod
def create(model : Union[Model, str],
messages : Messages,
provider : Union[ProviderType, str, None] = None,
stream : bool = False,
auth : Union[str, None] = None,
ignored : list[str] = None,
ignore_working: bool = False,
ignore_stream: bool = False,
patch_provider: callable = None,
**kwargs) -> Union[CreateResult, str]:
"""
Creates a chat completion using the specified model, provider, and messages.
Args:
model (Union[Model, str]): The model to use, either as an object or a string identifier.
messages (Messages): The messages for which the completion is to be created.
provider (Union[ProviderType, str, None], optional): The provider to use, either as an object, a string identifier, or None.
stream (bool, optional): Indicates if the operation should be performed as a stream.
auth (Union[str, None], optional): Authentication token or credentials, if required.
ignored (list[str], optional): List of provider names to be ignored.
ignore_working (bool, optional): If True, ignores the working status of the provider.
ignore_stream (bool, optional): If True, ignores the stream and authentication requirement checks.
patch_provider (callable, optional): Function to modify the provider.
**kwargs: Additional keyword arguments.
Returns:
Union[CreateResult, str]: The result of the chat completion operation.
Raises:
AuthenticationRequiredError: If authentication is required but not provided.
ProviderNotFoundError, ModelNotFoundError: If the specified provider or model is not found.
ProviderNotWorkingError: If the provider is not operational.
StreamNotSupportedError: If streaming is requested but not supported by the provider.
"""
model, provider = get_model_and_provider(
model, provider, stream,
ignored, ignore_working,
ignore_stream or kwargs.get("ignore_stream_and_auth")
)
if auth is not None:
kwargs['auth'] = auth
if "proxy" not in kwargs:
proxy = os.environ.get("G4F_PROXY")
if proxy:
kwargs['proxy'] = proxy
if patch_provider:
provider = patch_provider(provider)
result = provider.create_completion(model, messages, stream, **kwargs)
return result if stream else ''.join([str(chunk) for chunk in result])
@staticmethod
def create_async(model : Union[Model, str],
messages : Messages,
provider : Union[ProviderType, str, None] = None,
stream : bool = False,
ignored : list[str] = None,
ignore_working: bool = False,
patch_provider: callable = None,
**kwargs) -> Union[AsyncResult, str]:
"""
Asynchronously creates a completion using the specified model and provider.
Args:
model (Union[Model, str]): The model to use, either as an object or a string identifier.
messages (Messages): Messages to be processed.
provider (Union[ProviderType, str, None]): The provider to use, either as an object, a string identifier, or None.
stream (bool): Indicates if the operation should be performed as a stream.
ignored (list[str], optional): List of provider names to be ignored.
patch_provider (callable, optional): Function to modify the provider.
**kwargs: Additional keyword arguments.
Returns:
Union[AsyncResult, str]: The result of the asynchronous chat completion operation.
Raises:
StreamNotSupportedError: If streaming is requested but not supported by the provider.
"""
model, provider = get_model_and_provider(model, provider, False, ignored, ignore_working)
if stream:
if isinstance(provider, type) and issubclass(provider, AsyncGeneratorProvider):
return provider.create_async_generator(model, messages, **kwargs)
raise StreamNotSupportedError(f'{provider.__name__} does not support "stream" argument in "create_async"')
if patch_provider:
provider = patch_provider(provider)
return provider.create_async(model, messages, **kwargs)
class Completion:
@staticmethod
def create(model : Union[Model, str],
prompt : str,
provider : Union[ProviderType, None] = None,
stream : bool = False,
ignored : list[str] = None, **kwargs) -> Union[CreateResult, str]:
"""
Creates a completion based on the provided model, prompt, and provider.
Args:
model (Union[Model, str]): The model to use, either as an object or a string identifier.
prompt (str): The prompt text for which the completion is to be created.
provider (Union[ProviderType, None], optional): The provider to use, either as an object or None.
stream (bool, optional): Indicates if the operation should be performed as a stream.
ignored (list[str], optional): List of provider names to be ignored.
**kwargs: Additional keyword arguments.
Returns:
Union[CreateResult, str]: The result of the completion operation.
Raises:
ModelNotAllowedError: If the specified model is not allowed for use with this method.
"""
allowed_models = [
'code-davinci-002',
'text-ada-001',
'text-babbage-001',
'text-curie-001',
'text-davinci-002',
'text-davinci-003'
]
if model not in allowed_models:
raise ModelNotAllowedError(f'Can\'t use {model} with Completion.create()')
model, provider = get_model_and_provider(model, provider, stream, ignored)
result = provider.create_completion(model, [{"role": "user", "content": prompt}], stream, **kwargs)
return result if stream else ''.join(result)
