[issue46330] Simplify the signature of __exit__

Change by Alex Waygood : -- nosy: +AlexWaygood ___ Python tracker <https://bugs.python.org/issue46330> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46333] ForwardRef.__eq__ does not respect module parameter

Change by Alex Waygood : -- nosy: +AlexWaygood ___ Python tracker <https://bugs.python.org/issue46333> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46334] Glossary URLs with anchor link no longer jump to definitions

Alex Waygood added the comment: Reproduced on safari on my iPad, as well. -- nosy: +AlexWaygood ___ Python tracker <https://bugs.python.org/issue46334> ___ ___

[issue46313] SSLObject does not raise SSLEOFError on OpenSSL 3

Alex Grönholm added the comment: I just noticed that Ubuntu 22.04 LTS also uses OpenSSL 3 with their Python builds. I hope somebody has told them too about the state of affairs. -- ___ Python tracker <https://bugs.python.org/issue46

[issue46327] `test_enum` contains tests for older versions of python

Change by Alex Waygood : -- assignee: -> ethan.furman ___ Python tracker <https://bugs.python.org/issue46327> ___ ___ Python-bugs-list mailing list Unsubscrib

[issue43698] Use syntactically correct examples on abc package page

Change by Alex Waygood : -- stage: -> patch review type: compile error -> behavior ___ Python tracker <https://bugs.python.org/issue43698> ___ ___ Pyth

[issue46313] SSLObject does not raise SSLEOFError on OpenSSL 3

Alex Grönholm added the comment: Good to see that this is being handled. I could try to write a patch to do what I suggested above, if you're willing to review it. -- ___ Python tracker <https://bugs.python.org/issue46

[issue46313] SSLObject does not raise SSLEOFError on OpenSSL 3

Alex Grönholm added the comment: I hope the Fedora maintainers/packagers know this because on Rawhide, Python is being compiled against OpenSSL 3 (which is how we discovered the problem). F36 is due out in a little over 3 months. -- ___ Python

[issue46319] datetime.utcnow() should return a timezone aware datetime

Change by Alex Waygood : -- nosy: +belopolsky, p-ganssle versions: -Python 3.7, Python 3.8 ___ Python tracker <https://bugs.python.org/issue46319> ___ ___ Pytho

[issue46313] SSLObject does not raise SSLEOFError on OpenSSL 3

Alex Grönholm added the comment: This is a security issue because it exposes users to TLS truncation attacks that weren't possible before because such attempts would raise SSLEOFError. -- ___ Python tracker <https://bugs.python.org/issue46

[issue46313] SSLObject does not raise SSLEOFError on OpenSSL 3

New submission from Alex Grönholm : PR #25309 (https://github.com/python/cpython/pull/25309) changed OpenSSL behavior so that it ignores unexpected EOFs by default. This was detected by the test suites of both trio and AnyIO when running on OpenSSL 3. We worked around the problem

[issue46306] Suspicious operation in `doctest.py`: `None - 1`

Change by Alex Waygood : -- title: Suspicios operation in `doctest.py`: `None - 1` -> Suspicious operation in `doctest.py`: `None - 1` ___ Python tracker <https://bugs.python.org/issu

[issue46242] Improve error message when attempting to extend an enum with `__call__`

Change by Alex Waygood : -- assignee: -> ethan.furman ___ Python tracker <https://bugs.python.org/issue46242> ___ ___ Python-bugs-list mailing list Unsubscrib

[issue46301] Enum tests: One branch is not covered in `Enum._convert_`

Change by Alex Waygood : -- nosy: +ethan.furman title: One branch is not covered in `Enum._convert_` -> Enum tests: One branch is not covered in `Enum._convert_` ___ Python tracker <https://bugs.python.org/issu

[issue46290] Parameter names are inaccurate in dataclasses docs

Change by Alex Waygood : -- nosy: +eric.smith type: -> behavior ___ Python tracker <https://bugs.python.org/issue46290> ___ ___ Python-bugs-list mai

[issue45665] Problems caused by isinstance(list[int], type) returning True

Alex Waygood added the comment: > We will still allow instantiating e.g. list[int], right? I certainly hope so! That would be a much more breaking change if we were to change that, and I can't personally see any benefit to doing so. -- ___ Pyt

[issue46244] typing._TypeVarLike missing __slots__

Change by Alex Waygood : -- nosy: +AlexWaygood ___ Python tracker <https://bugs.python.org/issue46244> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46269] '__new__' is never shown in `dir(SomeEnum)`

Alex Waygood added the comment: Thanks, Nikita! My bad for not adding tests for __new__ in PR 29316. To confirm: yes, my idea in PR 29316 was that "__new__" (along with most enum dunders) should not show up in the output of dir(Enum), but should show up in dir(EnumSubclass) i

[issue46262] Enum tests: Error path in `_missing_()` is not covered for `Flag` and `IntFlag`

Change by Alex Waygood : -- title: Error path in `_missing_()` is not covered for `enum.Flag` and `enum.IntFlag` -> Enum tests: Error path in `_missing_()` is not covered for `Flag` and `IntFlag` ___ Python tracker <https://bugs.pyth

[issue45665] Problems caused by isinstance(list[int], type) returning True

Alex Waygood added the comment: I agree with Serhiy. -- ___ Python tracker <https://bugs.python.org/issue45665> ___ ___ Python-bugs-list mailing list Unsub

[issue45665] Problems caused by isinstance(list[int], type) returning True

Alex Waygood added the comment: Yes, there are a few exceptions to that :( ``` >>> from typing import Annotated >>> x = Annotated[int, "idk some int"] >>> x() 0 >>> isinstance(x, type) False >>> >>> from re import Pattern >&g

[issue45665] Problems caused by isinstance(list[int], type) returning True

Alex Waygood added the comment: `isinstance(list[int], type)` returns `True` in 3.9 as well, so the behaviour has been around for a while. (Not a comment on whether the change is worth making, just a note.) -- ___ Python tracker <ht

[issue20369] concurrent.futures.wait() blocks forever when given duplicate Futures

Change by Alex Waygood : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue43224] Add support for PEP 646

Change by Alex Waygood : -- nosy: +gvanrossum, kj ___ Python tracker <https://bugs.python.org/issue43224> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46246] importlib.metadata.DeprecatedList appears to be missing __slots__

Change by Alex Waygood : -- nosy: +jaraco ___ Python tracker <https://bugs.python.org/issue46246> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46242] Improve error message when attempting to extend an enum with `__call__`

Change by Alex Waygood : -- title: Improve error message when creating an enum with `__call__` -> Improve error message when attempting to extend an enum with `__call__` ___ Python tracker <https://bugs.python.org/issu

[issue46244] typing._TypeVarLike missing __slots__

Change by Alex Waygood : -- nosy: +gvanrossum, kj ___ Python tracker <https://bugs.python.org/issue46244> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46224] doc: Fix bisect example using mutable function default

Change by Alex Waygood : -- keywords: +patch stage: -> patch review versions: -Python 3.6, Python 3.7, Python 3.8 ___ Python tracker <https://bugs.python.org/issu

[issue40059] Provide a toml module in the standard library

Change by Alex Grönholm : -- nosy: +alex.gronholm ___ Python tracker <https://bugs.python.org/issue40059> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46014] functools.singledispatch does not support Union types

Alex Waygood added the comment: ``` >>> from typing import Optional, get_origin >>> get_origin(Optional[int]) typing.Union ``` ^Because of that, it will work with typing.Optional as well as typing.Union and types.UnionType, yes. I am planning on submitting a doc

[issue46191] Conflict between using annotations in singledispatch() and MyPy

Alex Waygood added the comment: Yeah, I think I agree with Guido. Mypy only has partial support for singledispatch anyway, and only achieves that through a plugin, so special-casing by type-checkers is inevitable. -- ___ Python tracker <ht

[issue46191] Conflict between using annotations in singledispatch() and MyPy

Alex Waygood added the comment: I like Serhiy's idea from a type-checking perspective. It would mean we could continue to have sophisticated type inference from mypy/pyright/etc. inside singledispatch function definitions. It would also mean people could use type annotations

[issue38397] __init_subclass__ causes TypeError when used with more standard library metaclasses (such as EnumMeta)

Alex Waygood added the comment: I am closing this, as I believe it was fixed by the addition of **kwds to EnumMeta. Feel free to reopen this if you disagree, @retnikt. -- nosy: +AlexWaygood resolution: -> fixed stage: -> resolved status: open -&g

[issue30420] [doc] subprocess module: Clarify kwarg handing for convenience APIs

Change by Alex Waygood : -- title: Clarify kwarg handing for subprocess convenience APIs -> [doc] subprocess module: Clarify kwarg handing for convenience APIs ___ Python tracker <https://bugs.python.org/issu

[issue46120] Add note to `typing.Union` that it is recommended to use `|` instead

Change by Alex Waygood : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue46191] Conflict between using annotations in singledispatch() and MyPy

Change by Alex Waygood : -- nosy: +AlexWaygood, lukasz.langa ___ Python tracker <https://bugs.python.org/issue46191> ___ ___ Python-bugs-list mailing list Unsub

[issue34498] Python 3.7+ break on singledispatch_function.register(pseudo_type), which Python 3.6 accepted

Alex Waygood added the comment: Guido: Serhiy fixed this very recently in Issue46032. The documentation should probably be improved, however, in my opinion; there's currently nothing officially stating that GenericAlias/NewType/typing aliases are unsupported. Support

[issue30420] Clarify kwarg handing for subprocess convenience APIs

Alex Waygood added the comment: The modern docs for these functions seem to: * Document the cwd argument for these functions, following PR 1685 & PR 2253. * Include an **other_popen_kwargs parameter for all these functions. Nick, is there anything left to do here, or can this issue be cl

[issue18677] Enhanced context managers with ContextManagerExit and None

Alex Waygood added the comment: Given that this issue has seen no activity for eight years, I am closing it as "rejected". -- nosy: +AlexWaygood resolution: -> rejected stage: -> resolved status: open -> closed ___ Pyt

[issue46170] Improving the error message when subclassing NewType

Change by Alex Waygood : -- nosy: +AlexWaygood ___ Python tracker <https://bugs.python.org/issue46170> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue31914] Document Pool.(star)map return type

Change by Alex Waygood : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue4079] urllib.request.Request 'timeout' attribute needs to have a default

Change by Alex Waygood : -- title: urllib.requst.Request 'timeout' attribute needs to have a default -> urllib.request.Request 'timeout' attribute needs to have a default ___ Python tracker <https://bugs.python.org/iss

[issue46175] Zero argument super() does not function properly inside generator expressions

New submission from Alex Walters : When zero argument super is used inside a generator expression, it raises 'TypeError: super(type, obj): obj must be an instance or subtype of type'. I can find no information on if this is working as intended, a bug, or a known issue, and the error isn't

[issue46162] Make `builtins.property` generic

Change by Alex Waygood : -- nosy: +AlexWaygood ___ Python tracker <https://bugs.python.org/issue46162> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46172] [doc] Outdated description of `license` object

Change by Alex Waygood : -- type: -> behavior ___ Python tracker <https://bugs.python.org/issue46172> ___ ___ Python-bugs-list mailing list Unsubscrib

[issue43424] Document the `controller.name` field in `webbrowser` module

Change by Alex Waygood : -- type: security -> enhancement versions: +Python 3.11 -Python 3.10 ___ Python tracker <https://bugs.python.org/issue43424> ___ _

[issue46159] Segfault when using trace functions in 3.11a3

Change by Alex Gaynor : -- components: +Interpreter Core nosy: +Mark.Shannon, alex ___ Python tracker <https://bugs.python.org/issue46159> ___ ___ Python-bug

[issue43424] Document the `controller.name` field in `webbrowser` module

Change by Alex Willmer : -- nosy: -Alex.Willmer ___ Python tracker <https://bugs.python.org/issue43424> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46104] Reduce use of old-style syntax in typing docs

Change by Alex Waygood : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue46132] Consider adding __slots__ to enums?

Alex Waygood added the comment: Ah, of course, I'm an idiot — I forgot that a class could not prevent the creation of __dict__ unless the parent class also had __slots__. Thanks, Christian. In which case: consider this a feature request to consider adding __slots__ to enum.Enum: for faster

[issue46076] Document using __slots__ to provide per-attribute docstrings

Alex Waygood added the comment: Thanks for taking the time to review and merge :) -- ___ Python tracker <https://bugs.python.org/issue46076> ___ ___ Python-bug

[issue46134] Confusing error message for AttributeError with dataclasses

Alex Waygood added the comment: Thanks for the bug report, Landon! I think I can reproduce this with a slightly shorter code snippet, but I don't think this is a bug: ``` >>> from dataclasses import dataclass, field >>> @dataclass ... class Character: ... sort_index

[issue29328] struct module should support variable-length strings

Alex Waygood added the comment: I am closing this issue as "rejected", given the consensus that writing a patch could be a major undertaking, the lack of such a patch, and the fact that there has been no activity on the issue thread (or the python-ideas mailing list) for near

[issue10789] Lock.acquire documentation is misleading

Alex Waygood added the comment: I am closing this issue. The original topic of discussion (Lock.acquire documentation) has been resolved, and there were other issues opened to discuss the more general issue. There has also been no real activity in this issue thread for a decade

[issue29971] threading.Lock.acquire() not interruptible on Windows

Change by Alex Waygood : -- stage: -> needs patch versions: +Python 3.11 -Python 3.8 ___ Python tracker <https://bugs.python.org/issue29971> ___ ___ Python-

[issue46104] Reduce use of old-style syntax in typing docs

Change by Alex Waygood : -- resolution: fixed -> stage: resolved -> patch review status: closed -> open ___ Python tracker <https://bugs.python.or

[issue46104] Reduce use of old-style syntax in typing docs

Change by Alex Waygood : -- pull_requests: +28424 pull_request: https://github.com/python/cpython/pull/30203 ___ Python tracker <https://bugs.python.org/issue46

[issue46132] Attempting to create an enum with slots silently fails

New submission from Alex Waygood : Attempting to create an enum with __slots__ silently fails. No error is raised if __slots__ are specified, but the usual behaviour of __slots__ does not work as expected. Attributes that are not specified in __slots__ can be freely set: >>>

[issue46130] Untranslatable link text in whatsnew/3.10

Change by Alex Waygood : -- nosy: +mdk type: -> behavior ___ Python tracker <https://bugs.python.org/issue46130> ___ ___ Python-bugs-list mailing list Un

[issue33449] Documentation for email.charset confusing about the location of constants

Change by Alex Waygood : -- versions: +Python 3.10, Python 3.11, Python 3.9 -Python 2.7, Python 3.7, Python 3.8 ___ Python tracker <https://bugs.python.org/issue33

[issue33567] Explicitly mention bytes and other buffers in the documentation for float()

Change by Alex Waygood : -- assignee: -> docs@python components: +Documentation nosy: +docs@python stage: -> needs patch type: -> enhancement versions: +Python 3.10, Python 3.11, Python 3.9 ___ Python tracker <https://bugs.python.or

[issue31914] Document Pool.(star)map return type

Alex Waygood added the comment: PR 30191 and PR 30192 are backports -- ___ Python tracker <https://bugs.python.org/issue31914> ___ ___ Python-bugs-list mailin

[issue34643] How to build Release Version of Python in Windows?

Alex Waygood added the comment: Given that there has been no activity on this issue for over three years, I am closing this as "rejected". -- nosy: +AlexWaygood resolution: -> rejected stage: -> resolved status: open -> closed ___

[issue31914] Document Pool.(star)map return type

Alex Waygood added the comment: This appears to have been fixed in PR 26560 in the main branch, but it might be nice to backport it to 3.10 and 3.9 -- nosy: +AlexWaygood, mdk stage: -> backport needed type: enhancement -> behavior versions: +Python 3.10, Python 3.9 -Pyth

[issue46099] Solaris: Fix pthread_getcpuclockid test

Change by Alex Waygood : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed type: -> behavior ___ Python tracker <https://bugs.python

[issue37578] Change Glob: Allow Recursion for Hidden Files

Change by Alex Waygood : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed versions: +Python 3.11 -Python 3.9 ___ Python tracker <https://bugs.python.or

[issue46104] Reduce use of old-style syntax in typing docs

Change by Alex Waygood : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue46104] Reduce use of old-style syntax in typing docs

Change by Alex Waygood : -- keywords: +patch pull_requests: +28368 stage: -> patch review pull_request: https://github.com/python/cpython/pull/30148 ___ Python tracker <https://bugs.python.org/issu

[issue46104] Reduce use of old-style syntax in typing docs

New submission from Alex Waygood : There are a few places in the typing docs where old-style (pre-PEP 526) syntax is used in examples. It doesn't look like these examples have been updated since 2016; it would be good to change them so that they use the newer syntax introduced in PEP 526

[issue46092] Fix/update missing parameters in function signatures for Built-in Functions documentation.

Alex Waygood added the comment: It concerns me that help() gives very different results for some of these functions than the signature you'll find in the documentation. I think a beginner would find that highly confusing. If the view is that the slash notation should not be added

[issue46092] Fix/update missing parameters in function signatures for Built-in Functions documentation.

Change by Alex Waygood : -- nosy: +AlexWaygood versions: +Python 3.11, Python 3.9 ___ Python tracker <https://bugs.python.org/issue46092> ___ ___ Python-bug

[issue46086] Add ratio_min() function to the difflib library

Change by Alex Waygood : -- nosy: -AlexWaygood ___ Python tracker <https://bugs.python.org/issue46086> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46086] Add ratio_min() function to the difflib library

Alex Waygood added the comment: I am removing 3.10 from the "versions" field, since additions to the standard library are only considered for unreleased versions of Python. -- nosy: +AlexWaygood, tim.peters versions: -Python 3.10

[issue46085] OrderedDict iterator allocates di_result unnecessarily

Change by Alex Waygood : -- nosy: +rhettinger versions: -Python 3.8 ___ Python tracker <https://bugs.python.org/issue46085> ___ ___ Python-bugs-list mailin

[issue46082] type casting of bool

Alex Waygood added the comment: Hi! Your message here is a little unclear. Are you proposing a new feature (an enhancement), or filing a bug report? In either case, I'm afraid this behavior is very unlikely to change. In general, strings in Python are always considered truthy unless

[issue46081] Document the msg argument for assertRaises

Change by Alex Waygood : -- versions: -Python 3.6, Python 3.7, Python 3.8 ___ Python tracker <https://bugs.python.org/issue46081> ___ ___ Python-bugs-list mailin

[issue46079] [doc] Broken URL in "Brief Tour of the Standard Library"

Change by Alex Waygood : -- title: Broken URL in tutorial -> [doc] Broken URL in "Brief Tour of the Standard Library" type: -> behavior versions: +Python 3.11, Python 3.9 ___ Python tracker <https://bugs.py

[issue46076] Document using __slots__ to provide per-attribute docstrings

Change by Alex Waygood : -- keywords: +patch pull_requests: +28332 stage: -> patch review pull_request: https://github.com/python/cpython/pull/30109 ___ Python tracker <https://bugs.python.org/issu

[issue46076] Document using __slots__ to provide per-attribute docstrings

New submission from Alex Waygood : The ability to add docstrings for individual attributes, by using a dictionary for __slots__ was added in Issue36326. This is a fantastic feature, and deserves better documentation. It appears to currently only be documented in the "What's New&q

[issue25864] collections.abc.Mapping should include a __reversed__ that raises TypeError

Alex Waygood added the comment: The proposed patch appears to have been implemented in https://github.com/python/cpython/commit/97c1adf3935234da716d3289b85f72dcd67e90c2, and there has been no discussion for five years. I think this can now be closed. -- nosy: +AlexWaygood

[issue46059] Typo in match Statement example

Alex Waygood added the comment: Thanks for the bug report, Vivek! It should be fixed now -- it might take a day or two for the online docs to update. -- ___ Python tracker <https://bugs.python.org/issue46

[issue46066] [doc] TypedDict alternative definition syntax with keyword args is confusing

Change by Alex Waygood : -- nosy: +gvanrossum, kj ___ Python tracker <https://bugs.python.org/issue46066> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46059] Typo in match Statement example

Change by Alex Waygood : -- type: -> behavior versions: +Python 3.11 ___ Python tracker <https://bugs.python.org/issue46059> ___ ___ Python-bugs-list mai

[issue46064] Permalinks to underscored documentation entries don't work.

Alex Waygood added the comment: I can't reproduce this -- the permalink to __debug__ that I get is the same as the one you have posted here, and works fine for me on my laptop, phone and iPad. -- nosy: +AlexWaygood ___ Python tracker <ht

[issue45840] Improve cross-references in the data model documentation

Alex Waygood added the comment: Thanks, Serhiy! -- ___ Python tracker <https://bugs.python.org/issue45840> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue45840] Improve cross-references in the data model documentation

Change by Alex Waygood : -- pull_requests: +28302 pull_request: https://github.com/python/cpython/pull/30081 ___ Python tracker <https://bugs.python.org/issue45

[issue46059] Typo in match Statement example

Change by Alex Waygood : -- keywords: +patch nosy: +AlexWaygood nosy_count: 2.0 -> 3.0 pull_requests: +28300 stage: -> patch review pull_request: https://github.com/python/cpython/pull/30079 ___ Python tracker <https://bugs.python.org/i

[issue45985] AttributeError from @property inadvertantly flows into __getattr__

Change by Alex Waygood : -- versions: -Python 3.6, Python 3.7, Python 3.8 ___ Python tracker <https://bugs.python.org/issue45985> ___ ___ Python-bugs-list mailin

[issue45729] [doc] "history and license" link has wrong target

Change by Alex Waygood : -- nosy: -AlexWaygood ___ Python tracker <https://bugs.python.org/issue45729> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue45840] Improve cross-references in the data model documentation

Change by Alex Waygood : -- pull_requests: +28298 stage: backport needed -> patch review pull_request: https://github.com/python/cpython/pull/30077 ___ Python tracker <https://bugs.python.org/issu

[issue45684] `functools.singledispatchmethod` does not define `__class_getitem__`

Alex Waygood added the comment: Closing this, as I don't think the use case I presented is strong enough, and there are ultimately more important things to worry about. -- resolution: -> not a bug stage: patch review -> resolved status: open -&g

[issue43794] OpenSSL 3.0.0: Handle UNEXPECTED_EOF_WHILE_READING / wrap SSL_OP_IGNORE_UNEXPECTED_EOF

Alex Grönholm added the comment: OpenSSL 1.1.1 also handled EOFs strictly, but this behavior was generally suppressed in the ssl module through the default setting of suppress_ragged_eofs=True (thus enabling truncation attacks by default). The PR changes the behavior of existing applications

[issue46032] functools' singledispatch does not support GenericAlias

Change by Alex Waygood : -- components: +Documentation type: enhancement -> behavior ___ Python tracker <https://bugs.python.org/issue46032> ___ ___ Python-

[issue46032] functools' singledispatch does not support GenericAlias

Alex Waygood added the comment: The PR looks good to me. I think it's also important that we document that these types aren't supported, as it's not mentioned anywhere at the moment. Related: Issue34498. -- nosy: +uriyyo ___ Python tracker

[issue46013] Confusing period in object.__hash__ doc

Change by Alex Waygood : -- nosy: +AlexWaygood ___ Python tracker <https://bugs.python.org/issue46013> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46014] functools.singledispatch does not support Union types

Alex Waygood added the comment: This is awesome! Should a note be added to the functools documentation mentioning the new feature? (Genuine question — I'm not sure whether it's necessary myself.) -- ___ Python tracker <https://bugs.python.

[issue45665] Problems caused by isinstance(list[int], type) returning True

Alex Waygood added the comment: #46032 is related to this issue. -- nosy: +AlexWaygood ___ Python tracker <https://bugs.python.org/issue45665> ___ ___ Python-bug

[issue46032] functools' singledispatch does not support GenericAlias

Alex Waygood added the comment: The above traceback is because the `isinstance(list[str], type)` check at Lib/functools.py:848 evaluates to `True`. Related: #45665. -- ___ Python tracker <https://bugs.python.org/issue46

[issue46032] functools' singledispatch does not support GenericAlias

Alex Waygood added the comment: It would be well worth it to improve the error message, however: ``` >>> from functools import singledispatch >>> @singledispatch ... def func(arg): ... raise NotImplementedError ... >>> @func.register ... def _(arg: list[str])

[issue46032] functools' singledispatch does not support GenericAlias

Alex Waygood added the comment: My opinion is that supporting `GenericAlias` here would be a bad idea. Associating an implementation of the function with the argument type `list[str]` is ambiguous. Would this implementation be called if any argument of type `list` was supplied, or would

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