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81 lines
2.7 KiB
Python
81 lines
2.7 KiB
Python
import asyncio
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from itertools import cycle
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from typing import Dict
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from app.core.logger import get_key_manager_logger
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from app.core.config import settings
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logger = get_key_manager_logger()
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class KeyManager:
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def __init__(self, api_keys: list):
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self.api_keys = api_keys
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self.key_cycle = cycle(api_keys)
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self.key_cycle_lock = asyncio.Lock()
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self.failure_count_lock = asyncio.Lock()
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self.key_failure_counts: Dict[str, int] = {key: 0 for key in api_keys}
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self.MAX_FAILURES = settings.MAX_FAILURES
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self.paid_key = settings.PAID_KEY
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async def get_paid_key(self) -> str:
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return self.paid_key
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async def get_next_key(self) -> str:
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"""获取下一个API key"""
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async with self.key_cycle_lock:
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return next(self.key_cycle)
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async def is_key_valid(self, key: str) -> bool:
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"""检查key是否有效"""
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async with self.failure_count_lock:
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return self.key_failure_counts[key] < self.MAX_FAILURES
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async def reset_failure_counts(self):
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"""重置所有key的失败计数"""
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async with self.failure_count_lock:
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for key in self.key_failure_counts:
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self.key_failure_counts[key] = 0
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async def get_next_working_key(self) -> str:
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"""获取下一可用的API key"""
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initial_key = await self.get_next_key()
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current_key = initial_key
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while True:
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if await self.is_key_valid(current_key):
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return current_key
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current_key = await self.get_next_key()
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if current_key == initial_key:
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# await self.reset_failure_counts() 取消重置
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return current_key
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async def handle_api_failure(self, api_key: str) -> str:
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"""处理API调用失败"""
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async with self.failure_count_lock:
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self.key_failure_counts[api_key] += 1
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if self.key_failure_counts[api_key] >= self.MAX_FAILURES:
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logger.warning(
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f"API key {api_key} has failed {self.MAX_FAILURES} times"
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)
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return await self.get_next_working_key()
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async def get_keys_by_status(self) -> dict:
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"""获取分类后的API key列表"""
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valid_keys = []
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invalid_keys = []
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async with self.failure_count_lock:
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for key in self.api_keys:
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masked_key = f"{key}"
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if self.key_failure_counts[key] < self.MAX_FAILURES:
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valid_keys.append(masked_key)
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else:
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invalid_keys.append(masked_key)
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return {
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"valid_keys": valid_keys,
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"invalid_keys": invalid_keys
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}
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