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repr(subclass of typing.Any) shows typing.Any not <__main__.subclass of typing.Any> #95987

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repr(subclass of typing.Any) shows typing.Any not <__main__.subclass of typing.Any>#95987
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3.11only security fixes3.12only security fixesstdlibStandard Library Python modules in the Lib/ directorytopic-typingtype-bugAn unexpected behavior, bug, or error

Description

@Gobot1234
Gobot1234
opened on Aug 14, 2022

Bug report

from typing import Any

class Foo(Any): ...

print(repr(Foo))  # => typing.Any not <class '__main__.Foo'> as I would expect

I believe

cpython/Lib/typing.py

Lines 495 to 496 in e8259e0

def __repr__(self):
return "typing.Any"
needs to be changed to

        def __repr__(self):
            if self is Any:
                return "typing.Any"
            return super().__repr__()

Your environment

  • CPython versions tested on: 3.11 and 3.12
  • Operating system and architecture: macOS

Activity

  1. Gobot1234
    added
    type-bugAn unexpected behavior, bug, or error
    on Aug 14, 2022
  2. AlexWaygood
    added
    topic-typing
    stdlibStandard Library Python modules in the Lib/ directory
    3.11only security fixes
    3.12only security fixes
    on Aug 14, 2022

  3. hauntsaninja commented on Aug 15, 2022

    @hauntsaninja
    hauntsaninja
    on Aug 15, 2022
    Contributor

    Yup, good catch, sounds right!

  4. sobolevn
    added a commit that references this issue on Aug 30, 2022

    pythongh-95987: Fix `repr` of `Any` type subclasses

    8615afe
  5. gvanrossum
    added a commit that references this issue on Aug 30, 2022

    gh-95987: Fix `repr` of `Any` type subclasses (#96412)

    4217393

  6. Gobot1234 commented on Aug 31, 2022

    @Gobot1234
    Gobot1234
    on Aug 31, 2022
    ContributorAuthor

    Fixed by #96412

  7. Gobot1234
    closed this as completedon Aug 31, 2022
  8. hauntsaninja
    added a commit that references this issue on Aug 31, 2022

    [3.11] pythongh-95987: Fix `repr` of `Any` type subclasses (pythonGH-…

    4975181
  9. ambv
    added a commit that references this issue on Oct 5, 2022

    [3.11] gh-95987: Fix `repr` of `Any` type subclasses (GH-96412) (#96451)

    c9eacc8
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    3.11only security fixes3.12only security fixesstdlibStandard Library Python modules in the Lib/ directorytopic-typingtype-bugAn unexpected behavior, bug, or error

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