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Refactor a bit to get better tracebacks (source lines).
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Original file line number | Diff line number | Diff line change |
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from collections.abc import Awaitable | ||
from inspect import CO_ITERABLE_COROUTINE | ||
from types import CoroutineType | ||
from types import GeneratorType | ||
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async def do_await(obj): | ||
return await obj | ||
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def do_yield_from(gen): | ||
return (yield from gen) | ||
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def await_(obj): | ||
obj_type = type(obj) | ||
if ( | ||
obj_type is CoroutineType or | ||
obj_type is GeneratorType and bool(obj.gi_code.co_flags & CO_ITERABLE_COROUTINE) or | ||
isinstance(obj, Awaitable) | ||
): | ||
return do_await(obj).__await__() | ||
else: | ||
return do_yield_from(obj) | ||
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def __aiter__(self): | ||
return self.__wrapped__.__aiter__() | ||
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async def __anext__(self): | ||
return await self.__wrapped__.__anext__() | ||
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def __await__(self): | ||
return await_(self.__wrapped__) | ||
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def __aenter__(self): | ||
return self.__wrapped__.__aenter__() | ||
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def __aexit__(self, *args, **kwargs): | ||
return self.__wrapped__.__aexit__(*args, **kwargs) |
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