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.
#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.
8.3.0
pytest 8.3.0 (2024-07-20)
New features
#12231: Added [--xfail-tb]{.title-ref} flag, which turns on traceback output for XFAIL results.
If the [--xfail-tb]{.title-ref} flag is not given, tracebacks for XFAIL results are NOT shown.
The style of traceback for XFAIL is set with [--tb]{.title-ref}, and can be [auto|long|short|line|native|no]{.title-ref}.
Note: Even if you have [--xfail-tb]{.title-ref} set, you won't see them if [--tb=no]{.title-ref}.
Some history:
With pytest 8.0, [-rx]{.title-ref} or [-ra]{.title-ref} would not only turn on summary reports for xfail, but also report the tracebacks for xfail results. This caused issues with some projects that utilize xfail, but don't want to see all of the xfail tracebacks.
This change detaches xfail tracebacks from [-rx]{.title-ref}, and now we turn on xfail tracebacks with [--xfail-tb]{.title-ref}. With this, the default [-rx]{.title-ref}/ [-ra]{.title-ref} behavior is identical to pre-8.0 with respect to xfail tracebacks. While this is a behavior change, it brings default behavior back to pre-8.0.0 behavior, which ultimately was considered the better course of action.
#12281: Added support for keyword matching in marker expressions.
Now tests can be selected by marker keyword arguments.
Supported values are int{.interpreted-text role="class"}, (unescaped) str{.interpreted-text role="class"}, bool{.interpreted-text role="class"} & None{.interpreted-text role="data"}.
See marker examples <marker_keyword_expression_example>{.interpreted-text role="ref"} for more information.
-- by lovetheguitar{.interpreted-text role="user"}
#12567: Added --no-fold-skipped command line option.
If this option is set, then skipped tests in short summary are no longer grouped
by reason but all tests are printed individually with their nodeid in the same
way as other statuses.
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Bumps the dev-dependencies group with 4 updates: mypy, pre-commit, types-requests and pytest.
Updates
mypy
from 1.10.1 to 1.11.1Changelog
Sourced from mypy's changelog.
... (truncated)
Commits
570b90a
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)6cf9180
Fix types.GenericAlias lookup crash (#17543)64c1ebf
Bump version to 1.11.1+devdbd5f5c
Remove +dev from version for 1.11 releasef0a8c69
Update CHANGELOG for mypy 1.11 (#17540)371f780
CHANGELOG.md update for 1.11 (#17539)2563da0
Fix daemon crash on invalid type in TypedDict (#17495)Updates
pre-commit
from 3.7.1 to 3.8.0Release notes
Sourced from pre-commit's releases.
Changelog
Sourced from pre-commit's changelog.
Commits
d46423f
v3.8.08133abd
Merge pull request #3265 from lorenzwalthert/issue-3206da0c1d0
implement health check for language:rf641f6a
Merge pull request #3264 from pre-commit/pre-commit-ci-update-configa68a19d
fixes for mypy 1.1188317dd
[pre-commit.ci] pre-commit autoupdatefaa6f8c
Merge pull request #3244 from pre-commit/pre-commit-ci-update-configf632459
[pre-commit.ci] pre-commit autoupdate0252908
Merge pull request #3240 from pre-commit/pre-commit-ci-update-config69b5dce
[pre-commit.ci] pre-commit autoupdateUpdates
types-requests
from 2.32.0.20240622 to 2.32.0.20240712Commits
Updates
pytest
from 8.2.2 to 8.3.2Release notes
Sourced from pytest's releases.
... (truncated)
Commits
bbcec9c
Prepare release version 8.3.278fe8b6
Merge pull request #12657 from pytest-dev/patchback/backports/8.3.x/6c806b499...238bad2
Merge pull request #12656 from RonnyPfannschmidt/fix-12652-detect-conda-envae6034a
Merge pull request #12641 from pytest-dev/patchback/backports/8.3.x/c03989cee...31337ab
Merge pull request #12640 from pytest-dev/update-userca3070b
Merge pull request #12637 from pytest-dev/release-8.3.1de98446
Prepare release version 8.3.1bd0a042
Merge pull request #12636 from pytest-dev/update-release-notes664325b
doc/changelog: update 8.3.0 notes19d225d
Merge pull request #12635 from pytest-dev/release-8.3.0Dependabot 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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