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Remove pathlib.PurePath.__eq__ #10662

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Merged
hauntsaninja merged 4 commits into from
Sep 7, 2023
Merged

Remove pathlib.PurePath.__eq__ #10662

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Remove pathlib.PurePath.__eq__
hauntsaninja Sep 4, 2023
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hauntsaninja Sep 4, 2023
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hauntsaninja Sep 5, 2023
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alex example
hauntsaninja Sep 5, 2023
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alex example
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hauntsaninja committed Sep 5, 2023
commit c97353c68453571e36704e6350f0f00c1ab3ad56
18 changes: 15 additions & 3 deletions test_cases/stdlib/check_pathlib.py
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@@ -1,8 +1,20 @@
from __future__ import annotations

from pathlib import Path
from pathlib import Path, PureWindowsPath

# make sure this causes mypy to emit a --strict-equality error,
# and pyright to report a reportUnnecessaryComparison error
if Path("asdf") == Path("asdf"):
...

# https://github.com/python/typeshed/issues/10661
# Provide a true positive error when comparing Path to str
# mypy should report a comparison-overlap error with --strict-equality,
# and pyright should report a reportUnnecessaryComparison error
if Path("asdf") == "asdf": # type: ignore
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...

# Errors on comparison here are technically false positives. However, this comparison is a little
# interesting: it can never hold true on Posix, but could hold true on Windows. We should experiment
# with more accurate __new__, such that we only get an error for such comparisons on platforms
# where they can never hold true.
if PureWindowsPath("asdf") == Path("asdf"): # type: ignore
...