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c855f8632e
Adds suppressions to pyrefly will typecheck clean: https://github.com/pytorch/pytorch/issues/163283 Almost there! Test plan: dmypy restart && python3 scripts/lintrunner.py -a pyrefly check step 1: delete lines in the pyrefly.toml file from the project-excludes field step 2: run pyrefly check step 3: add suppressions, clean up unused suppressions before: https://gist.github.com/maggiemoss/4b3bf2037014e116bc00706a16aef199 after: INFO 0 errors (6,884 ignored) Pull Request resolved: https://github.com/pytorch/pytorch/pull/164913 Approved by: https://github.com/oulgen
38 lines
1018 B
Python
38 lines
1018 B
Python
"""
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Python polyfills for os
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"""
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from __future__ import annotations
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import os
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from typing import AnyStr
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from ..decorators import substitute_in_graph
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__all__ = ["fspath"]
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# Copied from os.py in the standard library
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@substitute_in_graph(os.fspath, can_constant_fold_through=True)
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def fspath(path: AnyStr | os.PathLike[AnyStr]) -> AnyStr:
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if isinstance(path, (str, bytes)):
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# pyrefly: ignore # bad-return
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return path
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path_type = type(path)
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try:
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path_repr = path_type.__fspath__(path) # type: ignore[arg-type]
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except AttributeError:
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if hasattr(path_type, "__fspath__"):
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raise
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raise TypeError(
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f"expected str, bytes or os.PathLike object, not {path_type.__name__}",
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) from None
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if isinstance(path_repr, (str, bytes)):
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return path_repr # type: ignore[return-value]
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raise TypeError(
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f"expected {path_type.__name__}.__fspath__() to return str or bytes, "
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f"not {type(path_repr).__name__}",
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)
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