* pyreverse: add option to produce colored output.
Closes 4488
* pyreverse: add output in PlantUML format.
Closes 4498
* ``consider-using-with`` is no longer triggered if a context manager is returned from a function.
Closes 4748
* pylint does not crash with a traceback anymore when a file is problematic. It
creates a template text file for opening an issue on the bug tracker instead.
The linting can go on for other non problematic files instead of being impossible.
* pyreverse: Show class has-a relationships inferred from the type-hint
Closes 4744
* Fixed a crash when importing beyond the top level package during ``import-error``
message creation
Closes 4775
* Added ``ignored-parents`` option to the design checker to ignore specific
classes from the ``too-many-ancestors`` check (R0901).
Partially closes 3057
* Added ``unspecified-encoding``: Emitted when open() is called without specifying an encoding
Closes 3826
* Improved the Similarity checker performance. Fix issue with ``--min-similarity-lines`` used with ``--jobs``.
Close 4120
Close 4118
* Don't emit ``no-member`` error if guarded behind if statement.
Ref 1162
Closes 1990
Closes 4168
* The default for ``PYLINTHOME`` is now the standard ``XDG_CACHE_HOME``, and pylint now uses ``appdirs``.
Closes 3878
* Added ``use-list-literal``: Emitted when ``list()`` is called with no arguments instead of using ``[]``
Closes 4365
* Added ``use-dict-literal``: Emitted when ``dict()`` is called with no arguments instead of using ``{}``
Closes 4365
* Added optional extension ``consider-ternary-expression``: Emitted whenever a variable is assigned in both branches of an if/else block.
Closes 4366
* Added optional extension ``while-used``: Emitted whenever a ``while`` loop is used.
Closes 4367
* Added ``forgotten-debug-statement``: Emitted when ``breakpoint``, ``pdb.set_trace`` or ``sys.breakpointhook`` calls are found
Closes 3692
* Fix false-positive of ``unused-private-member`` when using nested functions in a class
Closes 4673
* Fix crash for ``unused-private-member`` that occurred with nested attributes.
Closes 4755
* Fix a false positive for ``unused-private-member`` with class names
Closes 4681
* Fix false positives for ``superfluous-parens`` with walrus operator, ternary operator and inside list comprehension.
Closes 2818
Closes 3249
Closes 3608
Closes 4346
* Added ``format-string-without-interpolation`` checker: Emitted when formatting is applied to a string without any variables to be replaced
Closes 4042
* Refactor of ``--list-msgs`` & ``--list-msgs-enabled``: both options now show whether messages are emittable with the current interpreter.
Closes 4778
* Fix false negative for ``used-before-assignment`` when the variable is assigned
in an exception handler, but used outside of the handler.
Closes 626
* Added ``disable-next`` option: allows using ` pylint: disable-next=msgid` to disable a message for the following line
Closes 1682
* Added ``redundant-u-string-prefix`` checker: Emitted when the u prefix is added to a string
Closes 4102
* Fixed ``cell-var-from-loop`` checker: handle cell variables in comprehensions within functions,
and function default argument expressions. Also handle basic variable shadowing.
Closes 2846
Closes 3107
* Fixed bug with ``cell-var-from-loop`` checker: it no longer has false negatives when
both ``unused-variable`` and ``used-before-assignment`` are disabled.
* Fix false postive for ``invalid-all-format`` if the list or tuple builtin functions are used
Closes 4711
* Config files can now contain environment variables
Closes 3839
* Fix false-positive ``used-before-assignment`` with an assignment expression in a ``Return`` node
Closes 4828
* Added ``use-sequence-for-iteration``: Emitted when iterating over an in-place defined ``set``.
* ``CodeStyleChecker``
* Limit ``consider-using-tuple`` to be emitted only for in-place defined ``lists``.
* Emit ``consider-using-tuple`` even if list contains a ``starred`` expression.
* Ignore decorators lines by similarities checker when ignore signatures flag enabled
Closes 4839
* Allow ``true`` and ``false`` values in ``pylintrc`` for better compatibility with ``toml`` config.
* Class methods' signatures are ignored the same way as functions' with similarities "ignore-signatures" option enabled
Closes 4653
* Improve performance when inferring ``Call`` nodes, by utilizing caching.
* Improve error message for invalid-metaclass when the node is an Instance.