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from __future__ import annotations
import os
from requests import get
from importlib.metadata import version as get_package_version, PackageNotFoundError
from subprocess import check_output, CalledProcessError, PIPE
from .models import Model, ModelUtils, _all_models
from .Provider import BaseProvider, AsyncGeneratorProvider, RetryProvider
from .typing import Messages, CreateResult, AsyncResult, Union, List
from . import debug
def get_version() -> str:
# Read from package manager
try:
return get_package_version("g4f")
except PackageNotFoundError:
pass
# Read from docker environment
current_version = os.environ.get("G4F_VERSION")
if current_version:
return current_version
# Read from git repository
try:
command = ["git", "describe", "--tags", "--abbrev=0"]
return check_output(command, text=True, stderr=PIPE).strip()
except CalledProcessError:
pass
def get_lastet_version() -> str:
response = get("https://pypi.org/pypi/g4f/json").json()
return response["info"]["version"]
def check_pypi_version() -> None:
try:
version = get_version()
latest_version = get_lastet_version()
except Exception as e:
print(f'Failed to check g4f pypi version: {e}')
if version != latest_version:
print(f'New pypi version: {latest_version} (current: {version}) | pip install -U g4f')
def get_model_and_provider(model : Union[Model, str],
provider : Union[type[BaseProvider], None],
stream : bool,
ignored : List[str] = None,
ignore_working: bool = False,
ignore_stream: bool = False) -> tuple[Model, type[BaseProvider]]:
if debug.version_check:
check_pypi_version()
debug.version_check = False
if isinstance(model, str):
if model in ModelUtils.convert:
model = ModelUtils.convert[model]
else:
raise ValueError(f'The model: {model} does not exist')
if not provider:
provider = model.best_provider
if isinstance(provider, RetryProvider) and ignored:
provider.providers = [p for p in provider.providers if p.__name__ not in ignored]
if not provider:
raise RuntimeError(f'No provider found for model: {model}')
if not provider.working and not ignore_working:
raise RuntimeError(f'{provider.__name__} is not working')
if not ignore_stream and not provider.supports_stream and stream:
raise ValueError(f'{provider.__name__} does not support "stream" argument')
if debug.logging:
print(f'Using {provider.__name__} provider')
return model, provider
class ChatCompletion:
@staticmethod
def create(model : Union[Model, str],
messages : Messages,
provider : Union[type[BaseProvider], None] = None,
stream : bool = False,
auth : Union[str, None] = None,
ignored : List[str] = None,
ignore_working: bool = False,
ignore_stream_and_auth: bool = False,
**kwargs) -> Union[CreateResult, str]:
model, provider = get_model_and_provider(model, provider, stream, ignored, ignore_working, ignore_stream_and_auth)
if not ignore_stream_and_auth and provider.needs_auth and not auth:
raise ValueError(
f'{provider.__name__} requires authentication (use auth=\'cookie or token or jwt ...\' param)')
if auth:
kwargs['auth'] = auth
proxy = os.environ.get("G4F_PROXY")
if proxy and "proxy" not in kwargs:
kwargs['proxy'] = proxy
result = provider.create_completion(model.name, messages, stream, **kwargs)
return result if stream else ''.join(result)
@staticmethod
async def create_async(model : Union[Model, str],
messages : Messages,
provider : Union[type[BaseProvider], None] = None,
stream : bool = False,
ignored : List[str] = None,
**kwargs) -> Union[AsyncResult, str]:
model, provider = get_model_and_provider(model, provider, False, ignored)
if stream:
if isinstance(provider, type) and issubclass(provider, AsyncGeneratorProvider):
return await provider.create_async_generator(model.name, messages, **kwargs)
raise ValueError(f'{provider.__name__} does not support "stream" argument in "create_async"')
return await provider.create_async(model.name, messages, **kwargs)
class Completion:
@staticmethod
def create(model : Union[Model, str],
prompt : str,
provider : Union[type[BaseProvider], None] = None,
stream : bool = False,
ignored : List[str] = None, **kwargs) -> Union[CreateResult, str]:
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 Exception(f'ValueError: Can\'t use {model} with Completion.create()')
model, provider = get_model_and_provider(model, provider, stream, ignored)
result = provider.create_completion(model.name, [{"role": "user", "content": prompt}], stream, **kwargs)
return result if stream else ''.join(result)
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