We’ve just uploaded mypy 1.11 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:
python3 -m pip install -U mypy
You can read the full documentation for this release on Read the Docs.
Support Python 3.12 Syntax for Generics (PEP 695)
Mypy now supports the new type parameter syntax introduced in Python 3.12 (PEP 695).
This feature is still experimental and must be enabled with the --enable-incomplete-feature=NewGenericSyntax flag, or with enable_incomplete_feature = NewGenericSyntax in the mypy configuration file.
We plan to enable this by default in the next mypy feature release.
This example demonstrates the new syntax:
# Generic function
def f[T](https://github.com/python/mypy/blob/master/x: T) -> T: ...
reveal_type(f(1)) # Revealed type is 'int'
Generic class
class C[T]:
def init(self, x: T) -> None:
self.x = x
c = C('a')
reveal_type(c.x) # Revealed type is 'str'
Type alias
type A[T] = C[list[T]]
This feature was contributed by Jukka Lehtosalo.
Support for functools.partial
Mypy now type checks uses of functools.partial. Previously mypy would accept arbitrary arguments.
#12446: Avoid calling @property (and other instance descriptors) during fixture discovery -- by asottile{.interpreted-text role="user"}
#12659: Fixed the issue of not displaying assertion failure differences when using the parameter --import-mode=importlib in pytest>=8.1.
#12667: Fixed a regression where type change in [ExceptionInfo.errisinstance]{.title-ref} caused [mypy]{.title-ref} to fail.
#12744: Fixed typing compatibility with Python 3.9 or less -- replaced [typing.Self]{.title-ref} with [typing_extensions.Self]{.title-ref} -- by Avasam{.interpreted-text role="user"}
#12745: Fixed an issue with backslashes being incorrectly converted in nodeid paths on Windows, ensuring consistent path handling across environments.
#6682: Fixed bug where the verbosity levels where not being respected when printing the "msg" part of failed assertion (as in assert condition, msg).
#9422: Fix bug where disabling the terminal plugin via -p no:terminal would cause crashes related to missing the verbose option.
-- by GTowers1{.interpreted-text role="user"}
Improved documentation
#12663: Clarify that the [pytest_deselected]{.title-ref} hook should be called from [pytest_collection_modifyitems]{.title-ref} hook implementations when items are deselected.
#12678: Remove erroneous quotes from [tmp_path_retention_policy]{.title-ref} example in docs.
Miscellaneous internal changes
#12769: Fix typos discovered by codespell and add codespell to pre-commit hooks.
8.3.2
pytest 8.3.2 (2024-07-24)
Bug fixes
#12652: Resolve regression [conda]{.title-ref} environments where no longer being automatically detected.
-- by RonnyPfannschmidt{.interpreted-text role="user"}
8.3.1
pytest 8.3.1 (2024-07-20)
The 8.3.0 release failed to include the change notes and docs for the release. This patch release remedies this. There are no other changes.
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Commits
d0f136f build(deps): Bump pypa/gh-action-pypi-publish from 1.10.0 to 1.10.1 (#12790)
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Bumps the python-packages group with 3 updates in the / directory: ruff, mypy and pytest.
Updates
ruff
from 0.4.8 to 0.6.7Release notes
Sourced from ruff's releases.
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Changelog
Sourced from ruff's changelog.
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Commits
17c4690
Bump version to v0.6.7 (#13439)f06d44e
Useforget
for module resolver database (#13438)653c090
Use an empty vendored file system in Ruff (#13436)8921fbb
vendored_typeshed_versions
should usedb.vendored
(#13434)3018303
Avoid parsing with Salsa (#13437)6c303b2
red-knot: Add not unary operator for boolean literals (#13422)7579a79
Add test coverage for non-Python globs (#13430)0bbc138
Upgrade to latestcargo-dist
version (#13416)ff11db6
Add Python version support to ruff analyze CLI (#13426)2823487
Respectlint.exclude
in ruff check--add-noqa
(#13427)Updates
mypy
from 1.10.0 to 1.11.2Changelog
Sourced from mypy's changelog.
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Commits
789f02c
Bump version to 1.11.2917cc75
An alternative fix for a union-like literal string (#17639)7d805b3
Unwrap TypedDict item types before storing (#17640)32675dd
Revert "Fix Literal strings containing pipe characters" (#17638)778542b
Revert "FixRawExpressionType.accept
crash with--cache-fine-grained
" (#1...14ab742
Bump version to 1.11.2+dev570b90a
Bump version to 1.11b3a102e
FixRawExpressionType.accept
crash with--cache-fine-grained
(#17588)aec04c7
Fix PEP 604 isinstance caching (#17563)cb44e4d
Fixtyping.TypeAliasType
being undefined on python < 3.12 (#17558)Updates
pytest
from 8.2.2 to 8.3.3Release notes
Sourced from pytest's releases.
... (truncated)
Commits
d0f136f
build(deps): Bump pypa/gh-action-pypi-publish from 1.10.0 to 1.10.1 (#12790)972f307
Prepare release version 8.3.30dabdcf
Include co-authors in release announcement (#12795) (#12797)a9910a4
Do not discover properties when iterating fixtures (#12781) (#12788)0f10b6b
Fix issue with slashes being turned into backslashes on Windows (#12760) (#12...300d13d
Merge pull request #12785 from pytest-dev/patchback/backports/8.3.x/57cccf7f4...e5d32c7
Merge pull request #12784 from svenevs/fix/docs-example-parametrize-minor-typobc913d1
Streamline checks for verbose option (#12706) (#12778)01cfcc9
Fix typos and introduce codespell pre-commit hook (#12769) (#12774)4873394
doc: Remove past training (#12772) (#12773)Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase
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