We’ve just uploaded mypy 1.10 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 TypeIs (PEP 742)
Mypy now supports TypeIs (PEP 742), which allows
functions to narrow the type of a value, similar to isinstance(). Unlike TypeGuard,
TypeIs can narrow in both the if and else branches of an if statement:
#12069: A deprecation warning is now raised when implementations of one of the following hooks request a deprecated py.path.local parameter instead of the pathlib.Path parameter which replaced it:
pytest_ignore_collect{.interpreted-text role="hook"} - the path parameter - use collection_path instead.
pytest_collect_file{.interpreted-text role="hook"} - the path parameter - use file_path instead.
pytest_pycollect_makemodule{.interpreted-text role="hook"} - the path parameter - use module_path instead.
pytest_report_header{.interpreted-text role="hook"} - the startdir parameter - use start_path instead.
pytest_report_collectionfinish{.interpreted-text role="hook"} - the startdir parameter - use start_path instead.
The replacement parameters are available since pytest 7.0.0.
The old parameters will be removed in pytest 9.0.0.
See legacy-path-hooks-deprecated{.interpreted-text role="ref"} for more details.
Features
#11871: Added support for reading command line arguments from a file using the prefix character @, like e.g.: pytest @tests.txt. The file must have one argument per line.
See Read arguments from file <args-from-file>{.interpreted-text role="ref"} for details.
Improvements
#11523: pytest.importorskip{.interpreted-text role="func"} will now issue a warning if the module could be found, but raised ImportError{.interpreted-text role="class"} instead of ModuleNotFoundError{.interpreted-text role="class"}.
The warning can be suppressed by passing exc_type=ImportError to pytest.importorskip{.interpreted-text role="func"}.
See import-or-skip-import-error{.interpreted-text role="ref"} for details.
#11728: For unittest-based tests, exceptions during class cleanup (as raised by functions registered with TestCase.addClassCleanup <unittest.TestCase.addClassCleanup>{.interpreted-text role="meth"}) are now reported instead of silently failing.
#11777: Text is no longer truncated in the short test summary info section when -vv is given.
#12112: Improved namespace packages detection when consider_namespace_packages{.interpreted-text role="confval"} is enabled, covering more situations (like editable installs).
#9502: Added PYTEST_VERSION{.interpreted-text role="envvar"} environment variable which is defined at the start of the pytest session and undefined afterwards. It contains the value of pytest.__version__, and among other things can be used to easily check if code is running from within a pytest run.
Bug Fixes
#12065: Fixed a regression in pytest 8.0.0 where test classes containing setup_method and tests using @staticmethod or @classmethod would crash with AttributeError: 'NoneType' object has no attribute 'setup_method'.
Now the request.instance <pytest.FixtureRequest.instance>{.interpreted-text role="attr"} attribute of tests using @staticmethod and @classmethod is no longer None, but a fresh instance of the class, like in non-static methods.
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Bumps the pip group with 3 updates: black, mypy and pytest.
Updates
black
from 24.4.0 to 24.4.2Release notes
Sourced from black's releases.
Changelog
Sourced from black's changelog.
Commits
3702ba2
Prepare release 24.4.2 (#4335)e4aaa8a
Fix incorrect f-string tokenization (#4332)ba88fc3
Simplify string tokenization regexes (#4331)5683242
New release templatee7fb048
Prepare release 24.4.1 (#4328)3f0f8f1
Support PEP 696 (#4327)2f88085
Github Action: Directly install from repo ifexport-subst
is skipped (#4313)12ce3db
Move changelog entry to right section (#4326)1354be2
Add support to style function definitions with newlines before function stubs...f4b644b
Prevent wrapping of multiline fstrings in parens (#4325)Updates
mypy
from 1.9.0 to 1.10.0Changelog
Sourced from mypy's changelog.
... (truncated)
Commits
3faf0fc
Remove +dev for version for release 1.10a5998d2
Update CHANGELOG.md (#17159)62ea5b0
Various updates to changelog for 1.10 (#17158)2f0864c
Update CHANGELOG.md with draft for release 1.10 (#17150)e1443bb
fix: incorrect returned type of access descriptors on unions of types (#16604)5161ac2
Sync typeshed (#17124)e2fc1f2
Fix crash when expanding invalid Unpack in aCallable
alias (#17028)3ff6e47
Docs: docstrings in checker.py, ast_helpers.py (#16908)732d98e
Fix string formatting for string enums (#16555)8019010
Narrow individual items when matching a tuple to a sequence pattern (#16905)Updates
pytest
from 8.1.1 to 8.2.0Release notes
Sourced from pytest's releases.
... (truncated)
Commits
6bd3f31
Tweak changelog for 8.2.09b6219b
Prepare release version 8.2.0835765c
Merge pull request #12130 from bluetech/fixtures-inline7e7503c
unittest: report class cleanup exceptions (#12250)882c4da
fixtures: inlinefail_fixturefunc
2e8fb9f
fixtures: extract a_check_fixturedef
methodacf2971
fixtures: inline_getnextfixturedef
into_get_active_fixturedef
3c77aec
fixtures: move "request" check earlyd217d68
fixtures: inline_compute_fixture_value
530be28
fixtures: use early return in_get_active_fixturedef
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