26 lines
1,022 B
Python
26 lines
1,022 B
Python
from typing import Any, Iterator, TypeVar, Callable, Optional, Iterable
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from my.core.warnings import warn
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T = TypeVar("T")
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# this is probably more generic and results in less code, but is not mypy-friendly
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def import_source(factory: Callable[[], Any], default: Any) -> Any:
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try:
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res = factory()
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return res
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except ModuleNotFoundError: # presumable means the user hasn't installed the module
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warn(f"Module {factory.__qualname__} could not be imported, or isn't configured propertly")
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return default
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# For an example of this, see the reddit.all file
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def import_source_iter(factory: Callable[[], Iterator[T]], default: Optional[Iterable[T]] = None) -> Iterator[T]:
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if default is None:
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default = []
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try:
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res = factory()
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yield from res
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except ModuleNotFoundError: # presumable means the user hasn't installed the module
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warn(f"Module {factory.__qualname__} could not be imported, or isn't configured propertly")
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yield from default
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