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91 lines
2.8 KiB
Python
91 lines
2.8 KiB
Python
from __future__ import annotations
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import asyncio
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import random
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from typing import List, Type, Dict
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from ..typing import CreateResult, Messages
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from .base_provider import BaseProvider, AsyncProvider
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from .. import debug
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class RetryProvider(AsyncProvider):
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__name__: str = "RetryProvider"
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working: bool = True
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supports_stream: bool = True
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def __init__(
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self,
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providers: List[Type[BaseProvider]],
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shuffle: bool = True
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) -> None:
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self.providers: List[Type[BaseProvider]] = providers
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self.shuffle: bool = shuffle
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def create_completion(
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self,
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model: str,
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messages: Messages,
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stream: bool = False,
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**kwargs
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) -> CreateResult:
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if stream:
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providers = [provider for provider in self.providers if provider.supports_stream]
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else:
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providers = self.providers
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if self.shuffle:
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random.shuffle(providers)
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self.exceptions: Dict[str, Exception] = {}
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started: bool = False
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for provider in providers:
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try:
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if debug.logging:
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print(f"Using {provider.__name__} provider")
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for token in provider.create_completion(model, messages, stream, **kwargs):
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yield token
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started = True
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if started:
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return
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except Exception as e:
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self.exceptions[provider.__name__] = e
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if debug.logging:
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print(f"{provider.__name__}: {e.__class__.__name__}: {e}")
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if started:
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raise e
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self.raise_exceptions()
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async def create_async(
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self,
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model: str,
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messages: Messages,
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**kwargs
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) -> str:
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providers = self.providers
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if self.shuffle:
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random.shuffle(providers)
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self.exceptions: Dict[str, Exception] = {}
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for provider in providers:
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try:
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return await asyncio.wait_for(
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provider.create_async(model, messages, **kwargs),
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timeout=kwargs.get("timeout", 60)
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)
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except Exception as e:
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self.exceptions[provider.__name__] = e
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if debug.logging:
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print(f"{provider.__name__}: {e.__class__.__name__}: {e}")
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self.raise_exceptions()
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def raise_exceptions(self) -> None:
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if self.exceptions:
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raise RuntimeError("\n".join(["RetryProvider failed:"] + [
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f"{p}: {self.exceptions[p].__class__.__name__}: {self.exceptions[p]}" for p in self.exceptions
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]))
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raise RuntimeError("RetryProvider: No provider found") |