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ChangeLog
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===================
astroid's ChangeLog
===================
What's New in astroid 3.4.0?
============================
Release date: TBA
What's New in astroid 3.3.3?
============================
Release date: TBA
What's New in astroid 3.3.2?
============================
Release date: 2024-08-11
* Restore support for soft-deprecated members of the ``typing`` module with python 3.13.
Refs pylint-dev/pylint#9852
What's New in astroid 3.3.1?
============================
Release date: 2024-08-06
* Fix a crash introduced in 3.3.0 involving invalid format strings.
Closes #2492
What's New in astroid 3.3.0?
============================
Release date: 2024-08-04
* Add support for Python 3.13.
* Remove support for Python 3.8 (and constants `PY38`, `PY39_PLUS`, and `PYPY_7_3_11_PLUS`).
Refs #2443
* Add the ``__annotations__`` attribute to the ``ClassDef`` object model.
Closes pylint-dev/pylint#7126
* Implement inference for JoinedStr and FormattedValue
* Add support for ``ssl.OP_LEGACY_SERVER_CONNECT`` (new in Python 3.12).
Closes pylint-dev/pylint#9849
What's New in astroid 3.2.4?
============================
Release date: 2024-07-20
* Avoid reporting unary/binary op type errors when inference is ambiguous.
Closes #2467
What's New in astroid 3.2.3?
============================
Release date: 2024-07-11
* Fix ``AssertionError`` when inferring a property consisting of a partial function.
Closes pylint-dev/pylint#9214
What's New in astroid 3.2.2?
============================
Release date: 2024-05-20
* Improve inference for generic classes using the PEP 695 syntax (Python 3.12).
Closes pylint-dev/pylint#9406
What's New in astroid 3.2.1?
============================
Release date: 2024-05-16
* Fix ``RecursionError`` in ``infer_call_result()`` for certain ``__call__`` methods.
Closes pylint-dev/pylint#9139
* Add ``AstroidManager.prefer_stubs`` attribute to control the astroid 3.2.0 feature that prefers stubs.
Refs pylint-dev/pylint#9626
Refs pylint-dev/pylint#9623
What's New in astroid 3.2.0?
============================
Release date: 2024-05-07
* ``.pyi`` stub files are now preferred over ``.py`` files when resolving imports, (except for numpy).
Closes pylint-dev/#9185
* ``igetattr()`` returns the last same-named function in a class (instead of
the first). This avoids false positives in pylint with ``@overload``.
Closes #1015
Refs pylint-dev/pylint#4696
* Adds ``module_denylist`` to ``AstroidManager`` for modules to be skipped during AST
generation. Modules in this list will cause an ``AstroidImportError`` to be raised
when an AST for them is requested.
Refs pylint-dev/pylint#9442
* Make ``astroid.interpreter._import.util.is_namespace`` only consider modules
using a loader set to ``NamespaceLoader`` or ``None`` as namespaces.
This fixes a problem that ``six.moves`` brain was not effective if ``six.moves``
was already imported.
Closes #1107
What's New in astroid 3.1.0?
============================
Release date: 2024-02-23
* Include PEP 695 (Python 3.12) generic type syntax nodes in ``get_children()``,
allowing checkers to visit them.
Refs pylint-dev/pylint#9193
* Add ``__main__`` as a possible inferred value for ``__name__`` to improve
control flow inference around ``if __name__ == "__main__":`` guards.
Closes #2071
* Following a deprecation period, the ``names`` arg to the ``Import`` constructor and
the ``op`` arg to the ``BoolOp`` constructor are now required, and the ``doc`` args
to the ``PartialFunction`` and ``Property`` constructors have been removed (call
``postinit(doc_node=...)`` instead.)
* Following a deprecation announced in astroid 1.5.0, the alias ``AstroidBuildingException`` is removed in favor of ``AstroidBuildingError``.
* Include modname in AST warnings. Useful for ``invalid escape sequence`` warnings
with Python 3.12.
* ``RecursionError`` is now trapped and logged out as ``UserWarning`` during astroid node transformations with instructions about raising the system recursion limit.
Closes pylint-dev/pylint#8842
* Suppress ``SyntaxWarning`` for invalid escape sequences on Python 3.12 when parsing modules.
Closes pylint-dev/pylint#9322
What's New in astroid 3.0.3?
============================
Release date: 2024-02-04
* Fix type of ``UnicodeDecodeError.object`` inferred as ``str`` instead of ``bytes``.
Closes pylint-dev/pylint#9342
* Fix ``no-member`` false positives for ``args`` and ``kwargs`` on ``ParamSpec`` under Python 3.12.
Closes pylint-dev/pylint#9401
What's New in astroid 3.0.2?
============================
Release date: 2023-12-12
* Avoid duplicate inference results for some uses of ``typing.X`` constructs like
``Tuple[Optional[int], ...]``. This was causing pylint to occasionally omit
messages like ``deprecated-typing-alias``.
Closes pylint-dev/pylint#9220
What's New in astroid 3.0.1?
============================
Release date: 2023-10-15
* Fix crashes linting code using PEP 695 (Python 3.12) generic type syntax.
Closes pylint-dev/pylint#9098
What's New in astroid 3.0.0?
=============================
Release date: 2023-09-26
* Add support for Python 3.12, including PEP 695 type parameter syntax.
Closes #2201
* Remove support for Python 3.7.
Refs #2137
* Use the global inference cache when inferring, even without an explicit
``InferenceContext``. This is a significant performance improvement given how
often methods default to ``None`` for the context argument. (Linting ``astroid``
itself now takes ~5% less time on Python 3.12; other projects requiring more
complex inference calculations will see greater speedups.)
Refs #529
* Following a deprecation period starting in astroid 2.7.0, the ``astroid.node_classes``
and ``astroid.scoped_nodes`` modules have been removed in favor of ``astroid.nodes.node_classes``
and ``astroid.nodes.scoped_nodes``.
Closes #1072
* Following a deprecation period starting in astroid 2.12.0, the ``astroid.mixins`` module
has been removed in favor of ``astroid.nodes._base_nodes`` (private).
Refs #1633
* Return all existing arguments when calling ``Arguments.arguments()``. This also means ``find_argname`` will now
use the whole list of arguments for its search.
Closes #2213
* Exclude class attributes from the ``__members__`` container of an ``Enum`` class when they are
``nodes.AnnAssign`` nodes with no assigned value.
Refs pylint-dev/pylint#7402
* Remove ``@cached`` and ``@cachedproperty`` decorator (just use ``@cached_property`` from the stdlib).
Closes #1780
Refs #2140
* Remove the ``inference`` module. Node inference methods are now in the module
defining the node, rather than being associated to the node afterward.
Closes #679
* Move ``LookupMixIn`` to ``astroid.nodes._base_nodes`` and make it private.
* Remove the shims for ``OperationError``, ``BinaryOperationError``, and ``UnaryOperationError``
in ``exceptions``. They were moved to ``util`` in astroid 1.5.0.
* Move ``safe_infer()`` from ``helpers`` to ``util``. This avoids some circular imports.
* Reduce file system access in ``ast_from_file()``.
* Reduce time to ``import astroid`` by delaying ``astroid_bootstrapping()`` until
the first instantiation of ``AstroidBuilder``.
Closes #2161
* Make ``igetattr()`` idempotent. This addresses some reports of varying results
when running pylint with ``--jobs``.
Closes pylint-dev/pylint#4356
Refs #7
* Fix incorrect cache keys for inference results, thereby correctly inferring types
for calls instantiating types dynamically.
Closes #1828
Closes pylint-dev/pylint#7464
Closes pylint-dev/pylint#8074
* Fix interrupted ``InferenceContext`` call chains, thereby addressing performance
problems when linting ``sqlalchemy``.
Closes pylint-dev/pylint#8150
* ``nodes.FunctionDef`` no longer inherits from ``nodes.Lambda``.
This is a breaking change but considered a bug fix as the nodes did not share the same
API and were not interchangeable.
We have tried to minimize the amount of breaking changes caused by this change
but some are unavoidable.
* ``infer_call_result`` now shares the same interface across all implementations. Namely:
```python
def infer_call_result(
self,
caller: SuccessfulInferenceResult | None,
context: InferenceContext | None = None,
) -> Iterator[InferenceResult]:
```
This is a breaking change for ``nodes.FunctionDef`` where previously ``caller`` had a default of
``None``. Passing ``None`` again will not create a behaviour change.
The breaking change allows us to better type and re-use the method within ``astroid``.
* Improved signature of the ``__init__`` and ``__postinit__`` methods of most nodes.
This includes making ``lineno``, ``col_offset``, ``end_lineno``, ``end_col_offset`` and ``parent``
required arguments for ``nodes.NodeNG`` and its subclasses.
For most other nodes, arguments of their ``__postinit__`` methods have been made required to better
represent how they would normally be constructed by the standard library ``ast`` module.
The following nodes were changed or updated:
- ``nodes.AnnAssign``
- ``nodes.Arguments``
- ``nodes.Assign``
- ``nodes.AssignAttr``
- ``nodes.AssignName``
- ``nodes.Attribute``
- ``nodes.AugAssign``
- ``nodes.Await``
- ``nodes.BaseContainer``
- ``nodes.BinOp``
- ``nodes.Call``
- ``nodes.ClassDef``
- ``nodes.Compare``
- ``nodes.Comprehension``
- ``nodes.Decorators``
- ``nodes.Delete``
- ``nodes.DelAttr``
- ``nodes.DelName``
- ``nodes.Dict``
- ``nodes.DictComp``
- ``nodes.ExceptHandler``
- ``nodes.Expr``
- ``nodes.For``
- ``nodes.FunctionDef``
- ``nodes.GeneratorExp``
- ``nodes.If``
- ``nodes.IfExp``
- ``nodes.Keyword``
- ``nodes.Lambda``
- ``nodes.ListComp``
- ``nodes.Module``
- ``nodes.Name``
- ``nodes.NodeNG``
- ``nodes.Raise``
- ``nodes.Return``
- ``nodes.SetComp``
- ``nodes.Slice``
- ``nodes.Starred``
- ``objects.Super``, we also added the ``call`` parameter to its ``__init__`` method.
- ``nodes.Subscript``
- ``nodes.UnaryOp``
- ``nodes.While``
- ``nodes.Yield``
These changes involve breaking changes to their API but should be considered bug fixes. We
now make arguments required when they are instead of always providing defaults.
* ``nodes.If.self.is_orelse`` has been removed as it was never set correctly and therefore
provided a false value.
* Remove dependency on ``wrapt``.
* Remove dependency on ``lazy_object_proxy``. This includes the removal
of the associated ``lazy_import``, ``lazy_descriptor`` and ``proxy_alias`` utility functions.
* ``CallSite._unpack_args`` and ``CallSite._unpack_keywords`` now use ``safe_infer()`` for
better inference and fewer false positives.
Closes pylint-dev/pylint#8544
* Add ``attr.Factory`` to the recognized class attributes for classes decorated with ``attrs``.
Closes pylint-dev/pylint#4341
* ``infer_property()`` now observes the same property-specific workaround as ``infer_functiondef``.
Refs #1490
* Remove unused and / or deprecated constants:
- ``astroid.bases.BOOL_SPECIAL_METHOD``
- ``astroid.bases.BUILTINS``
- ``astroid.const.BUILTINS``
- ``astroid.const.PY38_PLUS``
- ``astroid.const.Load``
- ``astroid.const.Store``
- ``astroid.const.Del``
Refs #2141
* ``frame()`` raises ``ParentMissingError`` and ``statement()`` raises ``StatementMissing`` for
missing parents regardless of the value of the ``future`` argument (which gave this behavior
already).
The ``future`` argument to each method is deprecated and will be removed in astroid 4.0.
Refs #1217
* Remove deprecated ``Ellipsis``, ``ExtSlice``, ``Index`` nodes.
Refs #2152
* Remove deprecated ``is_sys_guard`` and ``is_typing_guard`` methods.
Refs #2153
* Remove deprecated ``doc`` attribute for ``Module``, ``ClassDef``, and ``FunctionDef``.
Use the ``doc_node`` attribute instead.
Refs #2154
* Add new ``nodes.Try`` to better match Python AST. Replaces the ``TryExcept``
and ``TryFinally`` nodes which have been removed.
* Publicize ``NodeNG.repr_name()`` to facilitate finding a node's nice name.
Refs pylint-dev/pylint#8598
* Fix false positives for ``no-member`` and ``invalid-name`` when using the ``_name_``, ``_value_`` and ``_ignore_`` sunders in Enums.
Closes pylint-dev/pylint#9015
What's New in astroid 2.15.8?
=============================
Release date: 2023-09-26
* Fix a regression in 2.15.7 for ``unsubscriptable-object``.
Closes #2305
Closes pylint-dev/pylint#9069
* Fix a regression in 2.15.7 for ``unsubscriptable-object``.
Closes #2305
Closes pylint-dev/pylint#9069
What's New in astroid 2.15.7?
=============================
Release date: 2023-09-23
* Fix a crash when inferring a ``typing.TypeVar`` call.
Closes pylint-dev/pylint#8802
* Infer user-defined enum classes by checking if the class is a subtype of ``enum.Enum``.
Closes pylint-dev/pylint#8897
* Fix inference of functions with ``@functools.lru_cache`` decorators without
parentheses.
Closes pylint-dev/pylint#8868
* Make ``sys.argv`` uninferable because it never is. (It's impossible to infer
the value it will have outside of static analysis where it's our own value.)
Refs pylint-dev/pylint#7710
What's New in astroid 2.15.6?
=============================
Release date: 2023-07-08
* Harden ``get_module_part()`` against ``"."``.
Closes pylint-dev/pylint#8749
* Allow ``AsStringVisitor`` to visit ``objects.PartialFunction``.
Closes pylint-dev/pylint#8881
* Avoid expensive list/tuple multiplication operations that would result in ``MemoryError``.
Closes pylint-dev/pylint#8748
* Fix a regression in 2.12.0 where settings in AstroidManager would be ignored.
Most notably this addresses pylint-dev/pylint#7433.
Refs #2204
What's New in astroid 2.15.5?
=============================
Release date: 2023-05-14
* Handle ``objects.Super`` in ``helpers.object_type()``.
Refs pylint-dev/pylint#8554
* Recognize stub ``pyi`` Python files.
Refs pylint-dev/pylint#4987
What's New in astroid 2.15.4?
=============================
Release date: 2023-04-24
* Add visitor function for ``TryStar`` to ``AsStringVisitor`` and
add ``TryStar`` to ``astroid.nodes.ALL_NODE_CLASSES``.
Refs #2142
What's New in astroid 2.15.3?
=============================
Release date: 2023-04-16
* Fix ``infer_call_result()`` crash on methods called ``with_metaclass()``.
Closes #1735
* Suppress ``UserWarning`` when finding module specs.
Closes pylint-dev/pylint#7906
What's New in astroid 2.15.2?
=============================
Release date: 2023-04-03
* Support more possible usages of ``attrs`` decorators.
Closes pylint-dev/pylint#7884
What's New in astroid 2.15.1?
=============================
Release date: 2023-03-26
* Restore behavior of setting a Call as a base for classes created using ``six.with_metaclass()``,
and harden support for using enums as metaclasses in this case.
Reverts #1622
Refs pylint-dev/pylint#5935
Refs pylint-dev/pylint#7506
What's New in astroid 2.15.0?
=============================
Release date: 2023-03-06
* astroid now supports ``TryStar`` nodes from python 3.11 and should be fully compatible with python 3.11.
Closes #2028
* ``Formattedvalue.postinit`` is now keyword only. This is to allow correct typing of the
``Formattedvalue`` class.
Refs #1516
* ``Astroid`` now supports custom import hooks.
Refs pylint-dev/pylint#7306
* ``astroid`` now infers return values from match cases.
Refs pylint-dev/pylint#5288
* ``AstroidManager.clear_cache`` now also clears the inference context cache.
Refs #1780
* ``max_inferable_values`` can now be set on ``AstroidManager`` instances, e.g. ``astroid.MANAGER``
besides just the ``AstroidManager`` class itself.
Closes #2280
* ``Astroid`` now retrieves the default values of keyword only arguments and sets them on
``Arguments.kw_defaults``.
* ``Uninferable`` now has the type ``UninferableBase``. This is to facilitate correctly type annotating
code that uses this singleton.
Closes #1680
* Deprecate ``modutils.is_standard_module()``. It will be removed in the next minor release.
Functionality has been replaced by two new functions,
``modutils.is_stdlib_module()`` and ``modutils.module_in_path()``.
Closes #2012
* Fix ``are_exclusive`` function when a walrus operator is used inside ``IfExp.test`` field.
Closes #2022
What's New in astroid 2.14.2?
=============================
Release date: 2023-02-12
* '_infer_str_format_call' won't crash anymore when the string it analyses are uninferable.
Closes pylint-dev/pylint#8109
What's New in astroid 2.14.1?
=============================
Release date: 2023-01-31
* Revert ``CallContext`` change as it caused a ``RecursionError`` regression.
What's New in astroid 2.14.0?
=============================
Release date: 2023-01-31
* Add support for inferring binary union types added in Python 3.10.
Refs pylint-dev/pylint#8119
* Capture and log messages emitted when inspecting a module for astroid.
Closes #1904
What's New in astroid 2.13.5?
=============================
Release date: 2023-01-31
* Revert ``CallContext`` change as it caused a ``RecursionError`` regression.
What's New in astroid 2.13.4?
=============================
Release date: 2023-01-31
* Fix issues with ``typing_extensions.TypeVar``.
* Fix ``ClassDef.fromlino`` for PyPy 3.8 (v7.3.11) if class is wrapped by a decorator.
* Preserve parent CallContext when inferring nested functions.
Closes pylint-dev/pylint#8074
* Add ``Lock`` to the ``multiprocessing`` brain.
Closes pylint-dev/pylint#3313
What's New in astroid 2.13.3?
=============================
Release date: 2023-01-20
* Fix a regression in 2.13.2 where a RunTimeError could be raised unexpectedly.
Closes #1958
* Fix overwritten attributes in inherited dataclasses not being ordered correctly.
Closes pylint-dev/pylint#7881
* Fix a false positive when an attribute named ``Enum`` was confused with ``enum.Enum``.
Calls to ``Enum`` are now inferred & the qualified name is checked.
Refs pylint-dev/pylint#5719
* Remove unnecessary typing_extensions dependency on Python 3.11 and newer
What's New in astroid 2.13.2?
=============================
Release date: 2023-01-08
* Removed version conditions on typing_extensions dependency. Removed typing_extensions from
our tests requirements as it was preventing issues to appear in our continuous integration.
Closes #1945
What's New in astroid 2.13.1?
=============================
Release date: 2023-01-08
* Bumping typing_extensions to 4.0.0 that is required when using ``Self``
Closes #1942
What's New in astroid 2.13.0?
=============================
Release date: 2023-01-07
* Fixed importing of modules that have the same name as the file that is importing.
``astroid`` will now correctly handle an ``import math`` statement in a file called ``math.py``
by relying on the import system.
Refs pylint-dev/pylint#5151
* Create ``ContextManagerModel`` and let ``GeneratorModel`` inherit from it.
Refs pylint-dev/pylint#2567
* Added a ``regex`` brain.
Refs pylint-dev/pylint#1911
* Support "is None" constraints from if statements during inference.
Ref #791
Ref pylint-dev/pylint#157
Ref pylint-dev/pylint#1472
Ref pylint-dev/pylint#2016
Ref pylint-dev/pylint#2631
Ref pylint-dev/pylint#2880
What's New in astroid 2.12.14?
==============================
Release date: 2023-01-06
* Handle the effect of properties on the ``__init__`` of a dataclass correctly.
Closes pylint-dev/pylint#5225
* Handle the effect of ``kw_only=True`` in dataclass fields correctly.
Closes pylint-dev/pylint#7623
* Handle the effect of ``init=False`` in dataclass fields correctly.
Closes pylint-dev/pylint#7291
* Fix crash if ``numpy`` module doesn't have ``version`` attribute.
Refs pylint-dev/pylint#7868
* Handle ``AttributeError`` during ``str.format`` template inference tip evaluation
Closes pylint-dev/pylint#1902
* Add the ``masked_invalid`` function in the ``numpy.ma`` brain.
Closes pylint-dev/pylint#5715
What's New in astroid 2.12.13?
==============================
Release date: 2022-11-19
* Prevent returning an empty list for ``ClassDef.slots()`` when the mro list contains one class & it is not ``object``.
Refs pylint-dev/pylint#5099
* Prevent a crash when inferring calls to ``str.format`` with inferred arguments
that would be invalid.
Closes #1856
* Infer the `length` argument of the ``random.sample`` function.
Refs pylint-dev/pylint#7706
* Catch ``ValueError`` when indexing some builtin containers and sequences during inference.
Closes #1843
What's New in astroid 2.12.12?
==============================
Release date: 2022-10-19
* Add the ``length`` parameter to ``hash.digest`` & ``hash.hexdigest`` in the ``hashlib`` brain.
Refs pylint-dev/pylint#4039
* Prevent a crash when a module's ``__path__`` attribute is unexpectedly missing.
Refs pylint-dev/pylint#7592
* Fix inferring attributes with empty annotation assignments if parent
class contains valid assignment.
Refs pylint-dev/pylint#7631
What's New in astroid 2.12.11?
==============================
Release date: 2022-10-10
* Add ``_value2member_map_`` member to the ``enum`` brain.
Refs pylint-dev/pylint#3941
* Improve detection of namespace packages for the modules with ``__spec__`` set to None.
Closes pylint-dev/pylint#7488.
* Fixed a regression in the creation of the ``__init__`` of dataclasses with
multiple inheritance.
Closes pylint-dev/pylint#7434
What's New in astroid 2.12.10?
==============================
Release date: 2022-09-17
* Fixed a crash when introspecting modules compiled by `cffi`.
Closes #1776
Closes pylint-dev/pylint#7399
* ``decorators.cached`` now gets its cache cleared by calling ``AstroidManager.clear_cache``.
Refs #1780
What's New in astroid 2.12.9?
=============================
Release date: 2022-09-07
* Fixed creation of the ``__init__`` of ``dataclassess`` with multiple inheritance.
Closes pylint-dev/pylint#7427
* Fixed a crash on ``namedtuples`` that use ``typename`` to specify their name.
Closes pylint-dev/pylint#7429
What's New in astroid 2.12.8?
=============================
Release date: 2022-09-06
* Fixed a crash in the ``dataclass`` brain for ``InitVars`` without subscript typing.
Closes pylint-dev/pylint#7422
* Fixed parsing of default values in ``dataclass`` attributes.
Closes pylint-dev/pylint#7425
What's New in astroid 2.12.7?
=============================
Release date: 2022-09-06
* Fixed a crash in the ``dataclass`` brain for uninferable bases.
Closes pylint-dev/pylint#7418
What's New in astroid 2.12.6?
=============================
Release date: 2022-09-05
* Fix a crash involving ``Uninferable`` arguments to ``namedtuple()``.
Closes pylint-dev/pylint#7375
* The ``dataclass`` brain now understands the ``kw_only`` keyword in dataclass decorators.
Closes pylint-dev/pylint#7290
What's New in astroid 2.12.5?
=============================
Release date: 2022-08-29
* Prevent first-party imports from being resolved to `site-packages`.
Refs pylint-dev/pylint#7365
* Fix ``astroid.interpreter._import.util.is_namespace()`` incorrectly
returning ``True`` for frozen stdlib modules on PyPy.
Closes #1755
What's New in astroid 2.12.4?
=============================
Release date: 2022-08-25
* Fixed a crash involving non-standard type comments such as ``# type: # any comment``.
Refs pylint-dev/pylint#7347
What's New in astroid 2.12.3?
=============================
Release date: 2022-08-23
* Fixed crash in ``ExplicitNamespacePackageFinder`` involving ``_SixMetaPathImporter``.
Closes #1708
* Fix unhandled `FutureWarning` from pandas import in cython modules
Closes #1717
* Fix false positive with inference of type-annotated Enum classes.
Refs pylint-dev/pylint#7265
* Fix crash with inference of type-annotated Enum classes where the member has no value.
* Fix a crash inferring invalid old-style string formatting with `%`.
Closes #1737
* Fix false positive with inference of ``http`` module when iterating ``HTTPStatus``.
Refs pylint-dev/pylint#7307
* Bumped minimum requirement of ``wrapt`` to 1.14 on Python 3.11.
* Don't add dataclass fields annotated with ``KW_ONLY`` to the list of fields.
Refs pylint-dev/pylint#5767
What's New in astroid 2.12.2?
=============================
Release date: 2022-07-12
* Fixed crash in modulo operations for divisions by zero.
Closes #1700
* Fixed crash with recursion limits during inference.
Closes #1646
What's New in astroid 2.12.1?
=============================
Release date: 2022-07-10
* Fix a crash when inferring old-style string formatting (``%``) using tuples.
* Fix a crash when ``None`` (or a value inferred as ``None``) participates in a
``**`` expression.
* Fix a crash involving properties within ``if`` blocks.
What's New in astroid 2.12.0?
=============================
Release date: 2022-07-09
* Fix signal has no ``connect`` member for PySide2 5.15.2+ and PySide6
Closes #4040, #5378
* ``astroid`` now requires Python 3.7.2 to run.
* Avoid setting a Call as a base for classes created using ``six.with_metaclass()``.
Refs pylint-dev/pylint#5935
* Fix detection of builtins on ``PyPy`` 3.9.
* Fix ``re`` brain on Python ``3.11``. The flags now come from ``re._compile``.
* Build ``nodes.Module`` for frozen modules which have location information in their
``ModuleSpec``.
Closes #1512
* The ``astroid.mixins`` module has been deprecated and marked for removal in 3.0.0.
Closes #1633
* Capture and log messages emitted by C extensions when importing them.
This prevents contaminating programmatic output, e.g. pylint's JSON reporter.
Closes pylint-dev/pylint#3518
* Calls to ``str.format`` are now correctly inferred.
Closes #104, Closes #1611
* ``__new__`` and ``__init__`` have been added to the ``ObjectModel`` and are now
inferred as ``BoundMethods``.
* Old style string formatting (using ``%`` operators) is now correctly inferred.
Closes #151
* Adds missing enums from ``ssl`` module.
Closes pylint-dev/pylint#3691
* Remove dependency on ``pkg_resources`` from ``setuptools``.
Closes #1103
* Allowed ``AstroidManager.clear_cache`` to reload necessary brain plugins.
* Fixed incorrect inferences after rebuilding the builtins module, e.g. by calling
``AstroidManager.clear_cache``.
Closes #1559
* ``Arguments.defaults`` is now ``None`` for uninferable signatures.
* On Python versions >= 3.9, ``astroid`` now understands subscripting
builtin classes such as ``enumerate`` or ``staticmethod``.
* Fixed inference of ``Enums`` when they are imported under an alias.
Closes pylint-dev/pylint#5776
* Rename ``ModuleSpec`` -> ``module_type`` constructor parameter to match attribute
name and improve typing. Use ``type`` instead.
* ``ObjectModel`` and ``ClassModel`` now know about their ``__new__`` and ``__call__`` attributes.
* Fixed pylint ``not-callable`` false positive with nested-tuple assignment in a for-loop.
Refs pylint-dev/pylint#5113
* Instances of builtins created with ``__new__(cls, value)`` are now inferred.