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from __future__ import annotations
import asyncio
import random
from ..typing import CreateResult, Messages
from ..base_provider import BaseRetryProvider
from .. import debug
from ..errors import RetryProviderError, RetryNoProviderError
class RetryProvider(BaseRetryProvider):
def create_completion(
self,
model: str,
messages: Messages,
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: bool = False
for provider in providers:
self.last_provider = provider
try:
if debug.logging:
print(f"Using {provider.__name__} provider")
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 debug.logging:
print(f"{provider.__name__}: {e.__class__.__name__}: {e}")
if started:
raise e
self.raise_exceptions()
async def create_async(
self,
model: str,
messages: Messages,
**kwargs
) -> str:
providers = self.providers
if self.shuffle:
random.shuffle(providers)
self.exceptions = {}
for provider in providers:
self.last_provider = provider
try:
return await asyncio.wait_for(
provider.create_async(model, messages, **kwargs),
timeout=kwargs.get("timeout", 60)
)
except Exception as e:
self.exceptions[provider.__name__] = e
if debug.logging:
print(f"{provider.__name__}: {e.__class__.__name__}: {e}")
self.raise_exceptions()
def raise_exceptions(self) -> None:
if self.exceptions:
raise RetryProviderError("RetryProvider failed:\n" + "\n".join([
f"{p}: {exception.__class__.__name__}: {exception}" for p, exception in self.exceptions.items()
]))
raise RetryNoProviderError("No provider found")
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