async_utils.py
| 718 B | Satir:
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| py
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from typing import List, Union, Tuple import asyncio class AsyncIterate: # not AsyncIterable because python use this name already def __init__(self, data: Union[List, Tuple]): self.queue = iter(data) def __aiter__(self): return self async def __anext__(self): data = await self.fetch_data() if data is not None: return data else: raise StopAsyncIteration async def fetch_data(self): try: item = next(self.queue) except StopIteration: item = None return item async def gather(*tasks: List) -> AsyncIterate: results = await asyncio.gather(*tasks) return AsyncIterate(results)
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