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.
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Bumps the pip-dependencies group with 3 updates: black, mypy and reorder-python-imports.
Updates
blackfrom 24.4.2 to 24.8.0Release notes
Sourced from black's releases.
Changelog
Sourced from black's changelog.
Commits
b965c2aPrepare release 24.8.0 (#4426)9ccf279Documentfind_project_rootignoringpyproject.tomlwithout[tool.black]...14b6e61fix: Enhace black efficiently to skip directories listed in .gitignore (#4415)b1c4dd9fix: respect braces better in f-string parsing (#4422)4b4ae43Fix incorrect linenos on fstring tokens with escaped newlines (#4423)7fa1fafdocs: fix the installation command of extra for blackd (#4413)8827accBump sphinx from 7.3.7 to 7.4.0 in /docs (#4404)b0da11dBump furo from 2024.5.6 to 2024.7.18 in /docs (#4409)721dff5fix: avoid formatting backslash strings inside f-strings (#4401)7e2afc9Updateactions/checkoutto v4 to stop node deprecation warnings (#4379)Updates
mypyfrom 1.10.0 to 1.11.1Changelog
Sourced from mypy's changelog.
... (truncated)
Commits
570b90aBump version to 1.11b3a102eFixRawExpressionType.acceptcrash with--cache-fine-grained(#17588)aec04c7Fix PEP 604 isinstance caching (#17563)cb44e4dFixtyping.TypeAliasTypebeing undefined on python < 3.12 (#17558)6cf9180Fix types.GenericAlias lookup crash (#17543)64c1ebfBump version to 1.11.1+devdbd5f5cRemove +dev from version for 1.11 releasef0a8c69Update CHANGELOG for mypy 1.11 (#17540)371f780CHANGELOG.md update for 1.11 (#17539)2563da0Fix daemon crash on invalid type in TypedDict (#17495)Updates
reorder-python-importsfrom 3.12.0 to 3.13.0Commits
e77caa8v3.13.0e2015f8Merge pull request #380 from AlexWaygood/typing-extensions1cadd2fUpdate typing rewrites for typing_extensions 4.12.0+64e79f3Merge pull request #379 from asottile/pre-commit-ci-update-config516fcfc[pre-commit.ci] pre-commit autoupdate1c43cbaMerge pull request #378 from asottile/pre-commit-ci-update-confige950ccd[pre-commit.ci] pre-commit autoupdate1ab1be5Merge pull request #374 from asottile/pre-commit-ci-update-config6d323b1[pre-commit.ci] pre-commit autoupdate1dc4987Merge pull request #372 from asottile/pre-commit-ci-update-configDependabot 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
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