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"_RmtreeType" not callable when passed to functools.partial on Python 3.12 #18637

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Avasam opened this issue Feb 8, 2025 · 2 comments · Fixed by #18639
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"_RmtreeType" not callable when passed to functools.partial on Python 3.12 #18637

Avasam opened this issue Feb 8, 2025 · 2 comments · Fixed by #18639
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bug mypy got something wrong

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@Avasam
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Avasam commented Feb 8, 2025

Bug Report

See reproducer, it's that simple. Probably partially caused by the 3.12+ definition of _RmtreeType on typeshed overloading the __call__ definition

To Reproduce

import functools, shutil
functools.partial(shutil.rmtree)

Expected Behavior

No error

Actual Behavior

error: "_RmtreeType" not callable [misc]

Your Environment

  • Mypy version used: mypy 1.15.0 (compiled: yes)
  • Mypy command-line flags: None
  • Mypy configuration options from mypy.ini (and other config files): None
  • Python version used: 3.12.0 and 3.13.0
@Avasam Avasam added the bug mypy got something wrong label Feb 8, 2025
@hauntsaninja
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hauntsaninja commented Feb 9, 2025 •
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Thanks, effectively a duplicate of #17585

@hauntsaninja
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Although this issue can be fixed to not have the bad error message and only not fully support the overload logic...

hauntsaninja added a commit to hauntsaninja/mypy that referenced this issue Feb 9, 2025
@hauntsaninja
Improve support for functools.partial of overloaded callable protocol
6df3f57 
Resolves python#18637

Mypy's behaviour here is not correct (see test case), but this PR
makes mypy's behaviour match what it used to be before we added the
functools.partial plugin
@hauntsaninja hauntsaninja mentioned this issue Feb 9, 2025
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@Avasam Avasam changed the title "_RmtreeType" not callable when passed to fucntools.partial on Python 3.12 "_RmtreeType" not callable when passed to functools.partial on Python 3.12 Feb 9, 2025
hauntsaninja added a commit that referenced this issue Feb 9, 2025
@hauntsaninja
Improve support for functools.partial of overloaded callable protocol (…
876f636 
…#18639)

Resolves #18637

Mypy's behaviour here is not correct (see test case), but this PR makes
mypy's behaviour match what it used to be before we added the
functools.partial plugin

Support for overloads tracked in #17585
x612skm pushed a commit to x612skm/mypy-dev that referenced this issue Feb 24, 2025
@hauntsaninja @x612skm
Improve support for functools.partial of overloaded callable protocol (…
c5d799d 
…python#18639)

Resolves python#18637

Mypy's behaviour here is not correct (see test case), but this PR makes
mypy's behaviour match what it used to be before we added the
functools.partial plugin

Support for overloads tracked in python#17585
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Improve support for functools.partial of overloaded callable protocol hauntsaninja/mypy
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@Avasam @hauntsaninja