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from __future__ import annotations
from typing import Union
from .. import debug, version
from ..errors import ProviderNotFoundError, ModelNotFoundError, ProviderNotWorkingError, StreamNotSupportedError
from ..models import Model, ModelUtils, default
from ..Provider import ProviderUtils
from ..providers.types import BaseRetryProvider, ProviderType
from ..providers.retry_provider import IterProvider
def convert_to_provider(provider: str) -> ProviderType:
if " " in provider:
provider_list = [ProviderUtils.convert[p] for p in provider.split() if p in ProviderUtils.convert]
if not provider_list:
raise ProviderNotFoundError(f'Providers not found: {provider}')
provider = IterProvider(provider_list)
elif provider in ProviderUtils.convert:
provider = ProviderUtils.convert[provider]
elif provider:
raise ProviderNotFoundError(f'Provider not found: {provider}')
return provider
def get_model_and_provider(model : Union[Model, str],
provider : Union[ProviderType, str, None],
stream : bool,
ignored : list[str] = None,
ignore_working: bool = False,
ignore_stream: bool = False) -> tuple[str, ProviderType]:
"""
Retrieves the model and provider based on input parameters.
Args:
model (Union[Model, str]): The model to use, either as an object or a string identifier.
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.
ignore_working (bool, optional): If True, ignores the working status of the provider.
ignore_stream (bool, optional): If True, ignores the streaming capability of the provider.
Returns:
tuple[str, ProviderType]: A tuple containing the model name and the provider type.
Raises:
ProviderNotFoundError: If the provider is not found.
ModelNotFoundError: If the model is not found.
ProviderNotWorkingError: If the provider is not working.
StreamNotSupportedError: If streaming is not supported by the provider.
"""
if debug.version_check:
debug.version_check = False
version.utils.check_version()
if isinstance(provider, str):
provider = convert_to_provider(provider)
if isinstance(model, str):
if model in ModelUtils.convert:
model = ModelUtils.convert[model]
if not provider:
if not model:
model = default
elif isinstance(model, str):
raise ModelNotFoundError(f'Model not found: {model}')
provider = model.best_provider
if not provider:
raise ProviderNotFoundError(f'No provider found for model: {model}')
if isinstance(model, Model):
model = model.name
if not ignore_working and not provider.working:
raise ProviderNotWorkingError(f'{provider.__name__} is not working')
if isinstance(provider, BaseRetryProvider):
if not ignore_working:
provider.providers = [p for p in provider.providers if p.working]
if ignored:
provider.providers = [p for p in provider.providers if p.__name__ not in ignored]
if not ignore_stream and not provider.supports_stream and stream:
raise StreamNotSupportedError(f'{provider.__name__} does not support "stream" argument')
if model:
debug.log(f'Using {provider.__name__} provider and {model} model')
else:
debug.log(f'Using {provider.__name__} provider')
debug.last_provider = provider
debug.last_model = model
return model, provider
def get_last_provider(as_dict: bool = False) -> Union[ProviderType, dict[str, str], None]:
"""
Retrieves the last used provider.
Args:
as_dict (bool, optional): If True, returns the provider information as a dictionary.
Returns:
Union[ProviderType, dict[str, str]]: The last used provider, either as an object or a dictionary.
"""
last = debug.last_provider
if isinstance(last, BaseRetryProvider):
last = last.last_provider
if as_dict:
if last:
return {
"name": last.__name__,
"url": last.url,
"model": debug.last_model,
"label": getattr(last, "label", None) if hasattr(last, "label") else None
}
else:
return {}
return last
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