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from __future__ import annotations
import random
from ..typing import CreateResult
from .base_provider import BaseProvider, AsyncProvider
class RetryProvider(AsyncProvider):
__name__ = "RetryProvider"
working = True
needs_auth = False
supports_stream = True
supports_gpt_35_turbo = False
supports_gpt_4 = False
def __init__(
self,
providers: list[type[BaseProvider]],
shuffle: bool = True
) -> None:
self.providers = providers
self.shuffle = shuffle
def create_completion(
self,
model: str,
messages: list[dict[str, str]],
stream: bool = False,
**kwargs
) -> CreateResult:
if stream:
providers = [provider for provider in self.providers if provider.supports_stream]
else:
providers = self.providers
if self.shuffle:
random.shuffle(providers)
self.exceptions = {}
started = False
for provider in providers:
try:
for token in provider.create_completion(model, messages, stream, **kwargs):
yield token
started = True
if started:
return
except Exception as e:
self.exceptions[provider.__name__] = e
if started:
break
self.raise_exceptions()
async def create_async(
self,
model: str,
messages: list[dict[str, str]],
**kwargs
) -> str:
providers = [provider for provider in self.providers if issubclass(provider, AsyncProvider)]
if self.shuffle:
random.shuffle(providers)
self.exceptions = {}
for provider in providers:
try:
return await provider.create_async(model, messages, **kwargs)
except Exception as e:
self.exceptions[provider.__name__] = e
self.raise_exceptions()
def raise_exceptions(self):
if self.exceptions:
raise RuntimeError("\n".join(["All providers failed:"] + [
f"{p}: {self.exceptions[p].__class__.__name__}: {self.exceptions[p]}" for p in self.exceptions
]))
raise RuntimeError("No provider found")
|
