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ChangeLog
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===================
astroid's ChangeLog
===================
What's New in astroid 2.13.0?
=============================
Release date: TBA
What's New in astroid 2.12.10?
==============================
Release date: TBA
* Fixed a crash when introspecting modules compiled by `cffi`.
Closes #1776
Closes PyCQA/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 PyCQA/pylint#7427
* Fixed a crash on ``namedtuples`` that use ``typename`` to specify their name.
Closes PyCQA/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 PyCQA/pylint#7422
* Fixed parsing of default values in ``dataclass`` attributes.
Closes PyCQA/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 PyCQA/pylint#7418
What's New in astroid 2.12.6?
=============================
Release date: 2022-09-05
* Fix a crash involving ``Uninferable`` arguments to ``namedtuple()``.
Closes PyCQA/pylint#7375
* The ``dataclass`` brain now understands the ``kw_only`` keyword in dataclass decorators.
Closes PyCQA/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 PyCQA/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 PyCQA/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 PyCQA/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 PyCQA/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 PyCQA/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 PyCQA/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 PyCQA/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 PyCQA/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
* 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 PyCQA/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 PyCQA/pylint#5113
* Instances of builtins created with ``__new__(cls, value)`` are now inferred.
* Infer the return value of the ``.copy()`` method on ``dict``, ``list``, ``set``,
and ``frozenset``.
Closes #1403
* Fixed inference of elements of living container objects such as tuples and sets in the
``sys`` and ``ssl`` modules.
* Add ``pathlib`` brain to handle ``pathlib.PurePath.parents`` inference.
Closes PyCQA/pylint#5783
* Avoid inferring the results of ``**`` operations involving values greater than ``1e5``
to avoid expensive computation.
Closes PyCQA/pylint#6745
* Fix test for Python ``3.11``. In some instances ``err.__traceback__`` will
be uninferable now.
* Add brain for numpy core module ``einsumfunc``.
Closes PyCQA/pylint#5821
* Infer the ``DictUnpack`` value for ``Dict.getitem`` calls.
Closes #1195
* Fix a crash involving properties within ``try ... except`` blocks.
Closes PyCQA/pylint#6592
* Prevent creating ``Instance`` objects that proxy other ``Instance``s when there is
ambiguity (or user error) in calling ``__new__(cls)``.
Refs PyCQA/pylint#7109
What's New in astroid 2.11.7?
=============================
Release date: 2022-07-09
* Added support for ``usedforsecurity`` keyword to ``hashlib`` constructors.
Closes PyCQA/pylint#6017
* Updated the stdlib brain for ``subprocess.Popen`` to accommodate Python 3.9+.
Closes PyCQA/pylint#7092
What's New in astroid 2.11.6?
=============================
Release date: 2022-06-13
* The Qt brain now correctly treats calling ``.disconnect()`` (with no
arguments) on a slot as valid.
* The argparse brain no longer incorrectly adds ``"Namespace"`` to the locals
of functions that return an ``argparse.Namespace`` object.
Refs PyCQA/pylint#6895
What's New in astroid 2.11.5?
=============================
Release date: 2022-05-09
* Fix crash while obtaining ``object_type()`` of an ``Unknown`` node.
Refs PyCQA/pylint#6539
* Fix a bug where in attempting to handle the patching of ``distutils`` by ``virtualenv``,
library submodules called ``distutils`` (e.g. ``numpy.distutils``) were included also.
Refs PyCQA/pylint#6497
What's New in astroid 2.11.4?
=============================
Release date: 2022-05-02
* Fix ``col_offset`` attribute for nodes involving ``with`` on ``PyPy``.
* Fixed a crash involving two starred expressions: one inside a comprehension,
both inside a call.
Refs PyCQA/pylint#6372
* Made ``FunctionDef.implicit_parameters`` return 1 for methods by making
``FunctionDef.is_bound`` return ``True``, as it does for class methods.
Closes PyCQA/pylint#6464
* Fixed a crash when ``_filter_stmts`` encounters an ``EmptyNode``.
Closes PyCQA/pylint#6438
What's New in astroid 2.11.3?
=============================
Release date: 2022-04-19
* Fixed an error in the Qt brain when building ``instance_attrs``.
Closes PyCQA/pylint#6221
* Fixed a crash in the ``gi`` brain.
Closes PyCQA/pylint#6371
What's New in astroid 2.11.2?
=============================
Release date: 2022-03-26
* Avoided adding the name of a parent namedtuple to its child's locals.
Refs PyCQA/pylint#5982
What's New in astroid 2.11.1?
=============================
Release date: 2022-03-22
* Promoted ``getattr()`` from ``astroid.scoped_nodes.FunctionDef`` to its parent
``astroid.scoped_nodes.Lambda``.
* Fixed crash on direct inference via ``nodes.FunctionDef._infer``.
Closes #817
What's New in astroid 2.11.0?
=============================
Release date: 2022-03-12
* Add new (optional) ``doc_node`` attribute to ``nodes.Module``, ``nodes.ClassDef``,
and ``nodes.FunctionDef``.
* Accessing the ``doc`` attribute of ``nodes.Module``, ``nodes.ClassDef``, and
``nodes.FunctionDef`` has been deprecated in favour of the ``doc_node`` attribute.
Note: ``doc_node`` is an (optional) ``nodes.Const`` whereas ``doc`` was an (optional) ``str``.
* Passing the ``doc`` argument to the ``__init__`` of ``nodes.Module``, ``nodes.ClassDef``,
and ``nodes.FunctionDef`` has been deprecated in favour of the ``postinit`` ``doc_node`` attribute.
Note: ``doc_node`` is an (optional) ``nodes.Const`` whereas ``doc`` was an (optional) ``str``.
* Replace custom ``cachedproperty`` with ``functools.cached_property`` and deprecate it
for Python 3.8+.
Closes #1410
* Set ``end_lineno`` and ``end_col_offset`` attributes to ``None`` for all nodes
with PyPy 3.8. PyPy 3.8 assigns these attributes inconsistently which could lead
to unexpected errors. Overwriting them with ``None`` will cause a fallback
to the already supported way of PyPy 3.7.
* Add missing ``shape`` parameter to numpy ``zeros_like``, ``ones_like``,
and ``full_like`` methods.
Closes PyCQA/pylint#5871
* Only pin ``wrapt`` on the major version.
What's New in astroid 2.10.0?
=============================
Release date: 2022-02-27
* Fixed inference of ``self`` in binary operations in which ``self``
is part of a list or tuple.
Closes PyCQA/pylint#4826
* Fixed builtin inference on `property` calls not calling the `postinit` of the new node, which
resulted in instance arguments missing on these nodes.
* Fixed a crash on ``Super.getattr`` when the attribute was previously uninferable due to a cache
limit size. This limit can be hit when the inheritance pattern of a class (and therefore of the
``__init__`` attribute) is very large.
Closes PyCQA/pylint#5679
* Inlcude names of keyword-only arguments in ``astroid.scoped_nodes.Lambda.argnames``.
Closes PyCQA/pylint#5771
* Fixed a crash inferring on a ``NewType`` named with an f-string.
Closes PyCQA/pylint#5770
* Add support for [attrs v21.3.0](https://github.com/python-attrs/attrs/releases/tag/21.3.0) which
added a new `attrs` module alongside the existing `attr`.
Closes #1330
* Use the ``end_lineno`` attribute for the ``NodeNG.tolineno`` property
when it is available.
Closes #1350
* Add ``is_dataclass`` attribute to ``ClassDef`` nodes.
* Use ``sysconfig`` instead of ``distutils`` to determine the location of
python stdlib files and packages.
Related pull requests: #1322, #1323, #1324
Closes #1282
Ref #1103
* Fixed crash with recursion error for inference of class attributes that referenced
the class itself.
Closes PyCQA/pylint#5408
* Fixed crash when trying to infer ``items()`` on the ``__dict__``
attribute of an imported module.
Closes #1085
* Add optional ``NodeNG.position`` attribute.
Used for block nodes to highlight position of keyword(s) and name
in cases where the AST doesn't provide good enough positional information.
E.g. ``nodes.ClassDef``, ``nodes.FunctionDef``.
* Fix ``ClassDef.fromlineno``. For Python < 3.8 the ``lineno`` attribute includes decorators.
``fromlineno`` should return the line of the ``class`` statement itself.
* Performance improvements. Only run expensive decorator functions when
non-default Deprecation warnings are enabled, eg. during a Pytest run.
Closes #1383
What's New in astroid 2.9.3?
============================
Release date: 2022-01-09
* Fixed regression where packages without a ``__init__.py`` file were
not recognized or imported correctly.
Closes #1327
What's New in astroid 2.9.2?
============================
Release date: 2022-01-04
* Fixed regression in ``astroid.scoped_nodes`` where ``_is_metaclass``
was not accessible anymore.
Closes #1325
What's New in astroid 2.9.1?
============================
Release date: 2021-12-31
* ``NodeNG.frame()`` and ``NodeNG.statement()`` will start raising ``ParentMissingError``
instead of ``AttributeError`` in astroid 3.0. This behaviour can already be triggered
by passing ``future=True`` to a ``frame()`` or ``statement()`` call.
* Prefer the module loader get_source() method in AstroidBuilder's
module_build() when possible to avoid assumptions about source
code being available on a filesystem. Otherwise the source cannot
be found and application behavior changes when running within an
embedded hermetic interpreter environment (pyoxidizer, etc.).
* Require Python 3.6.2 to use astroid.
* Removed custom ``distutils`` handling for resolving paths to submodules.
Ref #1321
* Restore custom ``distutils`` handling for resolving paths to submodules.
Closes PyCQA/pylint#5645
* Fix ``deque.insert()`` signature in ``collections`` brain.
Closes #1260
* Fix ``Module`` nodes not having a ``col_offset``, ``end_lineno``, and ``end_col_offset``
attributes.
* Fix typing and update explanation for ``Arguments.args`` being ``None``.
* Fix crash if a variable named ``type`` is accessed with an index operator (``[]``)
in a generator expression.
Closes PyCQA/pylint#5461
* Enable inference of dataclass import from marshmallow_dataclass.
This allows the dataclasses brain to recognize dataclasses annotated by marshmallow_dataclass.
* Resolve symlinks in the import path
Fixes inference error when the import path includes symlinks (e.g. Python
installed on macOS via Homebrew).
Closes #823
Closes PyCQA/pylint#3499
Closes PyCQA/pylint#4302
Closes PyCQA/pylint#4798
Closes PyCQA/pylint#5081
What's New in astroid 2.9.0?
============================
Release date: 2021-11-21
* Add ``end_lineno`` and ``end_col_offset`` attributes to astroid nodes.
* Always treat ``__class_getitem__`` as a classmethod.
* Add missing ``as_string`` visitor method for ``Unknown`` node.
Closes #1264
What's New in astroid 2.8.6?
============================
Release date: 2021-11-21
* Fix crash on inference of subclasses created from ``Class().__subclasses__``
Closes PyCQA/pylint#4982
* Fix bug with Python 3.7.0 / 3.7.1 and ``typing.NoReturn``.
Closes #1239
What's New in astroid 2.8.5?
============================
Release date: 2021-11-12
* Use more permissive versions for the ``typed-ast`` dependency (<2.0 instead of <1.5)
Closes #1237
* Fix crash on inference of ``__len__``.
Closes PyCQA/pylint#5244
* Added missing ``kind`` (for ``Const``) and ``conversion`` (for ``FormattedValue``) fields to repr.
* Fix crash with assignment expressions, nested if expressions and filtering of statements
Closes PyCQA/pylint#5178
* Fix incorrect filtering of assignment expressions statements
What's New in astroid 2.8.4?
============================
Release date: 2021-10-25
* Fix the ``scope()`` and ``frame()`` methods of ``NamedExpr`` nodes.
When these nodes occur in ``Arguments``, ``Keyword`` or ``Comprehension`` nodes these
methods now correctly point to the outer-scope of the ``FunctionDef``,
``ClassDef``, or ``Comprehension``.
* Fix the ``set_local`` function for ``NamedExpr`` nodes.
When these nodes occur in ``Arguments``, ``Keyword``, or ``Comprehension`` nodes these
nodes are now correctly added to the locals of the ``FunctionDef``,
``ClassDef``, or ``Comprehension``.
What's New in astroid 2.8.3?
============================
Release date: 2021-10-17
* Add support for wrapt 1.13
* Fixes handling of nested partial functions
Closes PyCQA/pylint#2462
Closes #1208
* Fix regression with the import resolver
Closes PyCQA/pylint#5131
* Fix crash with invalid dataclass field call
Closes PyCQA/pylint#5153
What's New in astroid 2.8.2?
============================
Release date: 2021-10-07
Same content than 2.8.2-dev0 / 2.8.1, released in order to fix a
mistake when creating the tag.
What's New in astroid 2.8.1?
============================
Release date: 2021-10-06
* Adds support of type hints inside numpy's brains.
Closes PyCQA/pylint#4326
* Enable inference of dataclass import from pydantic.dataclasses.
This allows the dataclasses brain to recognize pydantic dataclasses.
Closes PyCQA/pylint#4899
* Fix regression on ClassDef inference
Closes PyCQA/pylint#5030
Closes PyCQA/pylint#5036
* Fix regression on Compare node inference
Closes PyCQA/pylint#5048
* Extended attrs brain to support the provisional APIs
* Astroid does not trigger it's own deprecation warning anymore.
* Improve brain for ``typing.Callable`` and ``typing.Type``.
* Fix bug with importing namespace packages with relative imports
Closes PyCQA/pylint#5059
* The ``is_typing_guard`` and ``is_sys_guard`` functions are deprecated and will
be removed in 3.0.0. They are complex meta-inference functions that are better
suited for pylint. Import them from ``pylint.checkers.utils`` instead
(requires pylint ``2.12``).
* Suppress the conditional between applied brains and dynamic import authorized
modules. (Revert the "The transforms related to a module are applied only if this
module has not been explicitly authorized to be imported" of version 2.7.3)
* Adds a brain to infer the ``numpy.ma.masked_where`` function.
Closes PyCQA/pylint#3342
What's New in astroid 2.8.0?
============================
Release date: 2021-09-14
* Add additional deprecation warnings in preparation for astroid 3.0
* Require attributes for some node classes with ``__init__`` call.
* ``name`` (``str``) for ``Name``, ``AssignName``, ``DelName``
* ``attrname`` (``str``) for ``Attribute``, ``AssignAttr``, ``DelAttr``
* ``op`` (``str``) for ``AugAssign``, ``BinOp``, ``BoolOp``, ``UnaryOp``
* ``names`` (``list[tuple[str, str | None]]``) for ``Import``
* Support pyz imports
Closes PyCQA/pylint#3887
* Add ``node_ancestors`` method to ``NodeNG`` for obtaining the ancestors of nodes.
* It's now possible to infer the value of comparison nodes
Closes #846
* Fixed bug in inference of dataclass field calls.
Closes PyCQA/pylint#4963
What's New in astroid 2.7.3?
============================
Release date: 2021-08-30
* The transforms related to a module are applied only if this module has not been explicitly authorized to be imported
(i.e is not in AstroidManager.extension_package_whitelist). Solves the following issues if numpy is authorized to be imported
through the `extension-pkg-allow-list` option.
Closes PyCQA/pylint#3342
Closes PyCQA/pylint#4326
* Fixed bug in attribute inference from inside method calls.
Closes PyCQA/pylint#400
* Fixed bug in inference for superclass instance methods called
from the class rather than an instance.
Closes #1008
Closes PyCQA/pylint#4377
* Fixed bug in inference of chained attributes where a subclass
had an attribute that was an instance of its superclass.
Closes PyCQA/pylint#4220
* Adds a brain for the ctypes module.
Closes PyCQA/pylint#4896
* When processing dataclass attributes, exclude the same type hints from abc.collections
as from typing.
Closes PyCQA/pylint#4895
* Apply dataclass inference to pydantic's dataclasses.
Closes PyCQA/pylint#4899
What's New in astroid 2.7.2?
============================
Release date: 2021-08-20
* ``BaseContainer`` is now public, and will replace ``_BaseContainer`` completely in astroid 3.0.
* The call cache used by inference functions produced by ``inference_tip``
can now be cleared via ``clear_inference_tip_cache``.
* ``astroid.const.BUILTINS`` and ``astroid.bases.BUILTINS`` are not used internally anymore
and will be removed in astroid 3.0. Simply replace this by the string 'builtins' for better
performances and clarity.
* Add inference for dataclass initializer method.
Closes PyCQA/pylint#3201
What's New in astroid 2.7.1?
============================
Release date: 2021-08-16
* When processing dataclass attributes, only do typing inference on collection types.
Support for instantiating other typing types is left for the future, if desired.
Closes #1129
* Fixed LookupMixIn missing from ``astroid.node_classes``.
What's New in astroid 2.7.0?
============================
Release date: 2021-08-15
* Import from ``astroid.node_classes`` and ``astroid.scoped_nodes`` has been deprecated in favor of
``astroid.nodes``. Only the imports from ``astroid.nodes`` will work in astroid 3.0.0.
* Add support for arbitrary Enum subclass hierarchies
Closes PyCQA/pylint#533
Closes PyCQA/pylint#2224
Closes PyCQA/pylint#2626
* Add inference tips for dataclass attributes, including dataclasses.field calls.
Also add support for InitVar.
Closes PyCQA/pylint#2600
Closes PyCQA/pylint#2698
Closes PyCQA/pylint#3405
Closes PyCQA/pylint#3794
* Adds a brain that deals with dynamic import of `IsolatedAsyncioTestCase` class of the `unittest` module.
Closes PyCQA/pylint#4060
What's New in astroid 2.6.6?
============================
Release date: 2021-08-03
* Added support to infer return type of ``typing.cast()``
* Fix variable lookup handling of exclusive statements
Closes PyCQA/pylint#3711
* Fix variable lookup handling of function parameters
Closes PyCQA/astroid#180
* Fix variable lookup's handling of except clause variables
* Fix handling of classes with duplicated bases with the same name
Closes PyCQA/astroid#1088
What's New in astroid 2.6.5?
============================
Release date: 2021-07-21
* Fix a crash when there would be a 'TypeError object does not support
item assignment' in the code we parse.
Closes PyCQA/pylint#4439
* Fix a crash when a AttributeInferenceError was raised when
failing to find the real name in infer_import_from.
Closes PyCQA/pylint#4692
What's New in astroid 2.6.4?
============================
Release date: 2021-07-19
* Fix a crash when a StopIteration was raised when inferring
a faulty function in a context manager.
Closes PyCQA/pylint#4723
What's New in astroid 2.6.3?
============================
Release date: 2021-07-19
* Added ``If.is_sys_guard`` and ``If.is_typing_guard`` helper methods
* Fix a bad inference type for yield values inside of a derived class.
Closes PyCQA/astroid#1090
* Fix a crash when the node is a 'Module' in the brain builtin inference
Closes PyCQA/pylint#4671
* Fix issues when inferring match variables
Closes PyCQA/pylint#4685
* Fix lookup for nested non-function scopes
* Fix issue that ``TypedDict`` instance wasn't callable.
Closes PyCQA/pylint#4715
* Add dependency on setuptools and a guard to prevent related exceptions.
What's New in astroid 2.6.2?
============================
Release date: 2021-06-30
* Fix a crash when the inference of the length of a node failed
Closes PyCQA/pylint#4633
* Fix unhandled StopIteration during inference, following the implementation
of PEP479 in python 3.7+
Closes PyCQA/pylint#4631
Closes #1080
What's New in astroid 2.6.1?
============================
Release date: 2021-06-29
* Fix issue with ``TypedDict`` for Python 3.9+
Closes PyCQA/pylint#4610
What's New in astroid 2.6.0?
============================
Release date: 2021-06-22
* Appveyor and travis are no longer used in the continuous integration
* ``setuptools_scm`` has been removed and replaced by ``tbump`` in order to not
have hidden runtime dependencies to setuptools
* ``NodeNg``, the base node class, is now accessible from ``astroid`` or
``astroid.nodes`` as it can be used for typing.
* Update enum brain to improve inference of .name and .value dynamic class
attributes
Closes PyCQA/pylint#1932
Closes PyCQA/pylint#2062
Closes PyCQA/pylint#2306
* Removed ``Repr``, ``Exec``, and ``Print`` nodes as the ``ast`` nodes
they represented have been removed with the change to Python 3
* Deprecate ``Ellipsis`` node. It will be removed with the next minor release.
Checkers that already support Python 3.8+ work without issues. It's only
necessary to remove all references to the ``astroid.Ellipsis`` node.
This changes will make development of checkers easier as the resulting tree for Ellipsis
will no longer depend on the python version. **Background**: With Python 3.8 the
``ast.Ellipsis`` node, along with ``ast.Str``, ``ast.Bytes``, ``ast.Num``,
and ``ast.NamedConstant`` were merged into ``ast.Constant``.
* Deprecated ``Index`` and ``ExtSlice`` nodes. They will be removed with the
next minor release. Both are now part of the ``Subscript`` node.
Checkers that already support Python 3.9+ work without issues.
It's only necessary to remove all references to the ``astroid.Index`` and
``astroid.ExtSlice`` nodes. This change will make development of checkers
easier as the resulting tree for ``ast.Subscript`` nodes will no longer
depend on the python version. **Background**: With Python 3.9 ``ast.Index``
and ``ast.ExtSlice`` were merged into the ``ast.Subscript`` node.
* Updated all Match nodes to be internally consistent.
* Add ``Pattern`` base class.
What's New in astroid 2.5.8?
============================
Release date: 2021-06-07
* Improve support for Pattern Matching
* Add lineno and col_offset for ``Keyword`` nodes and Python 3.9+
* Add global inference cache to speed up inference of long statement blocks
* Add a limit to the total number of nodes inferred indirectly as a result
of inferring some node
What's New in astroid 2.5.7?
============================
Release date: 2021-05-09
* Fix six.with_metaclass transformation so it doesn't break user defined transformations.
* Fix detection of relative imports.
Closes #930
Closes PyCQA/pylint#4186
* Fix inference of instance attributes defined in base classes
Closes #932
* Update `infer_named_tuple` brain to reject namedtuple definitions
that would raise ValueError
Closes #920
* Do not set instance attributes on builtin object()
Closes #945
Closes PyCQA/pylint#4232
Closes PyCQA/pylint#4221
Closes PyCQA/pylint#3970
Closes PyCQA/pylint#3595
* Fix some spurious cycles detected in ``context.path`` leading to more cases
that can now be inferred
Closes #926
* Add ``kind`` field to ``Const`` nodes, matching the structure of the built-in ast Const.
The kind field is "u" if the literal is a u-prefixed string, and ``None`` otherwise.
Closes #898
* Fix property inference in class contexts for properties defined on the metaclass
Closes #940
* Update enum brain to fix definition of __members__ for subclass-defined Enums
Closes PyCQA/pylint#3535
Closes PyCQA/pylint#4358
* Update random brain to fix a crash with inference of some sequence elements
Closes #922
* Fix inference of attributes defined in a base class that is an inner class
Closes #904
* Allow inferring a return value of None for non-abstract empty functions and
functions with no return statements (implicitly returning None)
Closes #485
* scm_setuptools has been added to the packaging.