chore(deps): update dependency pylint to v3 #248
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This PR contains the following updates:
^2.4.4
->^3.0.0
Release Notes
pylint-dev/pylint (pylint)
v3.3.1
Compare Source
What's new in Pylint 3.3.1?
Release date: 2024-09-24
False Positives Fixed
Fix regression causing some f-strings to not be inferred as strings.
Closes #9947
v3.3.0
Compare Source
Release date: 2024-09-20
Changes requiring user actions
We migrated
symilar
to argparse, from getopt, so the error and help output changed(for the better). We exit with 2 instead of sometime 1, sometime 2. The error output
is not captured by the runner anymore. It's not possible to use a value for the
boolean options anymore (
--ignore-comments 1
should become--ignore-comments
).Refs #9731
New Features
Add new
declare-non-slot
error which reports when a class has a__slots__
member and a type hint on the class is not present in__slots__
.Refs #9499
New Checks
Added
too-many-positional-arguments
to allow distinguishing the configuration for too manytotal arguments (with keyword-only params specified after
*
) from the configurationfor too many positional-or-keyword or positional-only arguments.
As part of evaluating whether this check makes sense for your project, ensure you
adjust the value of
--max-positional-arguments
.Closes #9099
Add
using-exception-groups-in-unsupported-version
andusing-generic-type-syntax-in-unsupported-version
for uses of Python 3.11+ or3.12+ features on lower supported versions provided with
--py-version
.Closes #9791
Add
using-assignment-expression-in-unsupported-version
for uses of:=
(walrus operator)on Python versions below 3.8 provided with
--py-version
.Closes #9820
Add
using-positional-only-args-in-unsupported-version
for uses of positional-only args onPython versions below 3.8 provided with
--py-version
.Closes #9823
Add
unnecessary-default-type-args
to thetyping
extension to detect the useof unnecessary default type args for
typing.Generator
andtyping.AsyncGenerator
.Refs #9938
False Negatives Fixed
Fix computation of never-returning function:
Never
is handled in addition toNoReturn
, and priority is given to the explicit--never-returning-functions
option.Closes #7565.
Fix a false negative for
await-outside-async
when await is inside Lambda.Refs #9653
Fix a false negative for
duplicate-argument-name
by includingpositional-only
,*args
and**kwargs
arguments in the check.Closes #9669
Fix false negative for
multiple-statements
when multiple statements are present onelse
andfinally
lines oftry
.Refs #9759
Fix false negatives when
isinstance
does not have exactly two arguments.pylint now emits a
too-many-function-args
orno-value-for-parameter
appropriately for
isinstance
calls.Closes #9847
Other Bug Fixes
--enable
with--disable=all
now produces an error, when an unknown msg code is used. Internalpylint
messages are no longer affected by--disable=all
.Closes #9403
Impossible to compile regexes for paths in the configuration or argument given to pylint won't crash anymore but
raise an argparse error and display the error message from
re.compile
instead.Closes #9680
Fix a bug where a
tox.ini
file with pylint configuration was ignored and it exists in the current directory..cfg
and.ini
files containing aPylint
configuration may now use a section named[pylint]
. This enhancement impacts the scenario where these file types are used as defaults when they are present and have not been explicitly referred to, using the--rcfile
option.Closes #9727
Improve file discovery for directories that are not python packages.
Closes #9764
Other Changes
Remove support for launching pylint with Python 3.8.
Code that supports Python 3.8 can still be linted with the
--py-version=3.8
setting.Refs #9774
Add support for Python 3.13.
Refs #9852
Internal Changes
All variables, classes, functions and file names containing the word 'similar', when it was,
in fact, referring to 'symilar' (the standalone program for the duplicate-code check) were renamed
to 'symilar'.
Closes #9734
Remove old-style classes (Python 2) code and remove check for new-style class since everything is new-style in Python 3. Updated doc for exception checker to remove reference to new style class.
Refs #9925
v3.2.7
Compare Source
What's new in Pylint 3.2.7?
Release date: 2024-08-31
False Positives Fixed
Fixed a false positive
unreachable
forNoReturn
coroutine functions.Closes #9840
Other Bug Fixes
Fix crash in refactoring checker when calling a lambda bound as a method.
Closes #9865
Fix a crash in
undefined-loop-variable
when providing theiterable
argument toenumerate()
.Closes #9875
Fix to address indeterminacy of error message in case a module name is same as another in a separate namespace.
Refs #9883
v3.2.6
Compare Source
What's new in Pylint 3.2.6?
Release date: 2024-07-21
False Positives Fixed
Quiet false positives for
unexpected-keyword-arg
when pylint cannotdetermine which of two or more dynamically defined classes is being instantiated.
Closes #9672
Fix a false positive for
missing-param-doc
where a method which is decorated withtyping.overload
was expected to have a docstring specifying its parameters.Closes #9739
Fix a regression that raised
invalid-name
on class attributes merelyoverriding invalid names from an ancestor.
Closes #9765
Treat
assert_never()
the same way when imported fromtyping_extensions
.Closes #9780
Fix a false positive for
consider-using-min-max-builtin
when the assignment target is an attribute.Refs #9800
Other Bug Fixes
Fix an
AssertionError
arising from properties that return partial functions.Closes #9214
Fix a crash when a subclass extends
__slots__
.Closes #9814
v3.2.5
Compare Source
What's new in Pylint 3.2.5 ?
Release date: 2024-06-28
Other Bug Fixes
Fixed a false positive
unreachable-code
when usingtyping.Any
as return type in python3.8, the
typing.NoReturn
are not taken into account anymore for python 3.8 however.Closes #9751
v3.2.4
Compare Source
What's new in Pylint 3.2.4?
Release date: 2024-06-26
False Positives Fixed
Prevent emitting
possibly-used-before-assignment
when relying on namesonly potentially not defined in conditional blocks guarded by functions
annotated with
typing.Never
ortyping.NoReturn
.Closes #9674
Other Bug Fixes
Fixed a crash when the lineno of a variable used as an annotation wasn't available for
undefined-variable
.Closes #8866
Fixed a crash when the
start
value in anenumerate
was non-constant and impossible to infer(like in
enumerate(apples, start=int(random_apple_index)
) forunnecessary-list-index-lookup
.Closes #9078
Fixed a crash in
symilar
when the-d
or-i
short option were not properly recognized.It's still impossible to do
-d=1
(you must do-d 1
).Closes #9343
v3.2.3
Compare Source
False Positives Fixed
Classes with only an Ellipsis (
...
) in their body do not trigger 'multiple-statements'anymore if they are inlined (in accordance with black's 2024 style).
Closes #9398
Fix a false positive for
redefined-outer-name
when there is a name defined in an exception-handling block which shares the same name as a local variable that has been defined in a function body.Closes #9671
Fix a false positive for
use-yield-from
when using the return value from theyield
atom.Closes #9696
v3.2.2
Compare Source
What's new in Pylint 3.2.2?
Release date: 2024-05-20
False Positives Fixed
Fix multiple false positives for generic class syntax added in Python 3.12 (PEP 695).
Closes #9406
Exclude context manager without cleanup from
contextmanager-generator-missing-cleanup
checks.Closes #9625
v3.2.1
Compare Source
What's new in Pylint 3.2.1?
Release date: 2024-05-18
False Positives Fixed
Exclude if/else branches containing terminating functions (e.g.
sys.exit()
)from
possibly-used-before-assignment
checks.Closes #9627
Don't emit
typevar-name-incorrect-variance
warnings for PEP 695 style TypeVars.The variance is inferred automatically by the type checker.
Adding
_co
or_contra
suffix can help to reason about TypeVar.Refs #9638
Fix a false positive for
possibly-used-before-assignment
when usingtyping.assert_never()
(3.11+) to indicate exhaustiveness.Closes #9643
Other Bug Fixes
Fix a false negative for
--ignore-patterns
when the directory to be linted is specified using a dot(.
) and all files are ignored instead of only the files whose name begin with a dot.Closes #9273
Restore "errors / warnings by module" section to report output (with
-ry
).Closes #9145
trailing-comma-tuple
should now be correctly emitted when it was disabled globallybut enabled via local message control, after removal of an over-optimisation.
Refs #9608
Add
--prefer-stubs=yes
option to opt-in to the astroid 3.2 featurethat prefers
.pyi
stubs over same-named.py
files. This has thepotential to reduce
no-member
errors but at the cost of more errorssuch as
not-an-iterable
from function bodies appearing as...
.Defaults to
no
.Closes #9626
Closes #9623
Internal Changes
Update astroid version to 3.2.1. This solves some reports of
RecursionError
and also makes the prefer .pyi stubs feature in astroid 3.2.0 opt-in
with the aforementioned
--prefer-stubs=y
option.Refs #9139
v3.2.0
Compare Source
What's new in Pylint 3.2.0?
Release date: 2024-05-14
Of note: a
github
reporter, two new checks (possibly-used-before-assignment
andcontextmanager-generator-missing-cleanup
), performance improvements, and anastroid
upgrade providing support for@overload
and.pyi
stubs.New Features
Understand
six.PY2
andsix.PY3
for conditional imports.Closes #3501
A new
github
reporter has been added. This reporter returns the output ofpylint
in a format thatGithub can use to automatically annotate code. Use it with
pylint --output-format=github
on your Github Workflows.Closes #9443.
New Checks
Add check
possibly-used-before-assignment
when relying on names after anif/else
switch when one branch failed to define the name, raise, or return.
Closes #1727
Checks for generators that use contextmanagers that don't handle cleanup properly.
Is meant to raise visibilty on the case that a generator is not fully exhausted and the contextmanager is not cleaned up properly.
A contextmanager must yield a non-constant value and not handle cleanup for GeneratorExit.
The using generator must attempt to use the yielded context value
with x() as y
and not justwith x()
.Closes #2832
False Negatives Fixed
If and Try nodes are now checked for useless return statements as well.
Closes #9449.
Fix false negative for
property-with-parameters
in the case of parameters which arepositional-only
,keyword-only
,variadic positional
orvariadic keyword
.Closes #9584
False Positives Fixed
pylint now understands the
@overload
decorator return values better.Closes #4696
Refs #9606
Performance Improvements
Ignored modules are now not checked at all, instead of being checked and then
ignored. This should speed up the analysis of large codebases which have
ignored modules.
Closes #9442
ImportChecker's logic has been modified to avoid context files when possible. This makes it possible
to cache module searches on astroid and reduce execution times.
Refs #9310.
An internal check for
trailing-comma-tuple
being enabled for a file or not is nowdone once per file instead of once for each token.
Refs #9608.
v3.1.1
Compare Source
What's new in Pylint 3.1.1?
Release date: 2024-05-13
False Positives Fixed
Treat
attrs.define
andattrs.frozen
as dataclass decorators intoo-few-public-methods
check.Closes #9345
Fix a false positive with
singledispatchmethod-function
when a method is decorated with bothfunctools.singledispatchmethod
andstaticmethod
.Closes #9531
Fix a false positive for
consider-using-dict-items
when iterating usingkeys()
and then deleting an item using the key as a lookup.Closes #9554
v3.1.0
Compare Source
Two new checks--
use-yield-from
,deprecated-attribute
-- and a smattering of bug fixes.New Features
Skip
consider-using-join
check for non-empty separators if ansuggest-join-with-non-empty-separator
option is set tono
.Closes #8701
Discover
.pyi
files when linting.These can be ignored with the
ignore-patterns
setting.Closes #9097
Check
TypeAlias
andTypeVar
(PEP 695) nodes forinvalid-name
.Refs #9196
Support for resolving external toml files named pylintrc.toml and .pylintrc.toml.
Closes #9228
Check for
.clear
,.discard
,.pop
andremove
methods being called on a set while it is being iterated over.Closes #9334
New Checks
New message
use-yield-from
added to the refactoring checker. This message is emitted when yielding from a loop can be replaced byyield from
.Closes #9229.
Added a
deprecated-attribute
message to check deprecated attributes in the stdlib.Closes #8855
False Positives Fixed
Fixed false positive for
inherit-non-class
for generic Protocols.Closes #9106
Exempt
TypedDict
fromtyping_extensions
fromtoo-many-ancestor
checks.Refs #9167
False Negatives Fixed
Extend broad-exception-raised and broad-exception-caught to except*.
Closes #8827
Fix a false-negative for unnecessary if blocks using a different than expected ordering of arguments.
Closes #8947.
Other Bug Fixes
Improve the message provided for wrong-import-order check. Instead of the import statement ("import x"), the message now specifies the import that is out of order and which imports should come after it. As reported in the issue, this is particularly helpful if there are multiple imports on a single line that do not follow the PEP8 convention.
The message will report imports as follows:
For "import X", it will report "(standard/third party/first party/local) import X"
For "import X.Y" and "from X import Y", it will report "(standard/third party/first party/local) import X.Y"
The import category is specified to provide explanation as to why pylint has issued the message and guidence to the developer on how to fix the problem.
Closes #8808
Other Changes
Print how many files were checked in verbose mode.
Closes #8935
Fix a crash when an enum class which is also decorated with a
dataclasses.dataclass
decorator is defined.Closes #9100
Internal Changes
Update astroid version to 3.1.0.
Refs #9457
v3.0.4
Compare Source
False Positives Fixed
used-before-assignment
is no longer emitted when using a name in a loop anddepending on an earlier name assignment in an
except
block paired withelse: continue
.Closes #6804
Avoid false positives for
no-member
involving functionattributes supplied by decorators.
Closes #9246
Fixed false positive nested-min-max for nested lists.
Closes #9307
Fix false positive for
used-before-assignment
in afinally
blockwhen assignments took place in both the
try
block and each exception handler.Closes #9451
Other Bug Fixes
Catch incorrect ValueError
"generator already executing"
for Python 3.12.0 - 3.12.2.This is fixed upstream in Python 3.12.3.
Closes #9138
v3.0.3
Compare Source
What's new in Pylint 3.0.3?
Release date: 2023-12-11
False Positives Fixed
Fixed false positive for
unnecessary-lambda
when the call has keyword arguments but not the lambda.Closes #9148
Fixed incorrect suggestion for shallow copy in unnecessary-comprehension
Example of the suggestion:
#pylint: disable=missing-module-docstring
a = [1, 2, 3]
b = [x for x in a]
b[0] = 0
print(a) # [1, 2, 3]
After changing b = [x for x in a] to b = a based on the suggestion, the script now prints [0, 2, 3]. The correct suggestion should be use list(a) to preserve the original behavior.
Closes #9172
Fix false positives for
undefined-variable
andunused-argument
forclasses and functions using Python 3.12 generic type syntax.
Closes #9193
Fixed
pointless-string-statement
false positive for docstringson Python 3.12 type aliases.
Closes #9268
Fix false positive for
invalid-exception-operation
when concatenating tuplesof exception types.
Closes #9288
Other Bug Fixes
Fix a bug where pylint was unable to walk recursively through a directory if the
directory has an
__init__.py
file.Closes #9210
v3.0.2
Compare Source
False Positives Fixed
Fix
used-before-assignment
false positive for generic type syntax (PEP 695, Python 3.12).Closes #9110
Other Bug Fixes
Escape special symbols and newlines in messages.
Closes #7874
Fixes suggestion for
nested-min-max
for expressions with additive operators, list and dict comprehensions.Closes #8524
Fixes ignoring conditional imports with
ignore-imports=y
.Closes #8914
Emit
inconsistent-quotes
for f-strings with 3.12 interpreter only if targeting pre-3.12 versions.Closes #9113
v3.0.1
False Positives Fixed
Fixed false positive for
inherit-non-class
for generic Protocols.Closes #9106
Other Changes
Fix a crash when an enum class which is also decorated with a
dataclasses.dataclass
decorator is defined.Closes #9100
v3.0.0
Pylint now support python 3.12 officially.
This long anticipated major version also provides some important usability and performance improvements, along with enacting necessary breaking changes and long-announced deprecations. The documentation of each message with an example is very close too.
The required astroid version is now 3.0.0. See the astroid changelog for additional fixes, features, and performance improvements applicable to pylint.
Our code is now fully typed. The invalid-name message no longer checks for a minimum length of 3 characters by default. Dependencies like wrapt or setuptools were removed.
A new json2 reporter has been added. It features an enriched output that is easier to parse and provides more info, here's a sample output.
Breaking Changes
Enabling or disabling individual messages will now take effect even if an
--enable=all
ordisable=all
follows in the same configuration file(or on the command line).
This means for the following example,
fixme
messages will now be emitted:To regain the prior behavior, remove the superfluous earlier option.
Closes #3696
Remove support for launching pylint with Python 3.7.
Code that supports Python 3.7 can still be linted with the
--py-version=3.7
setting.Refs #6306
Disables placed in a
try
block now apply to theexcept
block.Previously, they only happened to do so in the presence of an
else
clause.Refs #7767
pyreverse
now uses a new default color palette that is more colorblind friendly.The color scheme is taken from
Paul Tol's Notes <https://personal.sron.nl/~pault/>
_.If you prefer other colors, you can use the
--color-palette
option to specify custom colors.Closes #8251
Everything related to the
__implements__
construct was removed. It was based on PEP245that was proposed in 2001 and rejected in 2006.
The capability from pyreverse to take
__implements__
into account when generating diagramswas also removed.
Refs #8404
pyreverse
: Support for the.vcg
output format (Visualization of Compiler Graphs) has been dropped.Closes #8416
The warning when the now useless old pylint cache directory (pylint.d) was
found was removed. The cache dir is documented in
the FAQ <https://pylint.readthedocs.io/en/latest/faq.html#where-is-the-persistent-data-stored-to-compare-between-successive-runs>
_.Refs #8462
Following a deprecation period,
pylint.config.PYLINTRC
was removed.Use the
pylint.config.find_default_config_files
generator instead.Closes #8862
Changes requiring user actions
The
invalid-name
message no longer checks for a minimum length of 3 characters by default.(This was an unadvertised commingling of concerns between casing
and name length, and users regularly reported this to be surprising.)
If checking for a minimum length is still desired, it can be regained in two ways:
If you are content with a
disallowed-name
message (instead ofinvalid-name
), then simply add the optionbad-names-rgxs="^..?$"
,which will fail 1-2 character-long names. (Ensure you enable
disallowed-name
.)If you would prefer an
invalid-name
message to be emitted, or wouldprefer finer-grained control over the circumstances in which messages are
emitted (classes vs. methods, etc.), then avail yourself of the regex
options described
here <https://pylint.readthedocs.io/en/stable/user_guide/configuration/all-options.html#main-checker>
.(In particular, take note of the commented out options in the "example
configuration" given at the bottom of the section.) The prior regexes can
be found in the
pull request <https://github.com/pylint-dev/pylint/pull/8813>
that removed the length requirements.
Closes #2018
The compare to empty string checker (
pylint.extensions.emptystring
) and the compare tozero checker (
pylint.extensions.compare-to-zero
) have been removed and their checks arenow part of the implicit booleaness checker:
compare-to-zero
was renameduse-implicit-booleaness-not-comparison-to-zero
andcompare-to-empty-string
was renameduse-implicit-booleaness-not-comparison-to-string
and they now need to be enabled explicitly.
The
pylint.extensions.emptystring
andpylint.extensions.compare-to-zero
extensionsno longer exist and need to be removed from the
load-plugins
option.Messages related to implicit booleaness were made more explicit and actionable.
This permits to make their likeness explicit and will provide better performance as they
share most of their conditions to be raised.
Closes #6871
epylint was removed. It now lives at: https://github.com/emacsorphanage/pylint.
Refs #7737
The
overgeneral-exceptions
option now only takes fully qualified namesinto account (
builtins.Exception
notException
). If you overrodethis option, you need to use the fully qualified name now.
There's still a warning, but it will be removed in 3.1.0.
Refs #8411
Following a deprecation period, it's no longer possible to use
MASTER
or
master
as configuration section insetup.cfg
ortox.ini
. It's bad practiceto not start a section title with the tool name. Please use
pylint.main
instead.Refs #8465
Package stats are now printed when running Pyreverse and a
--verbose
flag was added to get the original output with parsed modules. You might need to activate the verbose option if you want to keep the old output.Closes #8973
New Features
A new
json2
reporter has been added. It features a more enriched output that iseasier to parse and provides more info.
Compared to
json
the only changes are that messages are now under the"messages"
key and that
"message-id"
now follows the camelCase convention and is renamed to"messageId"
.The new reporter also reports the "score" of the modules you linted as defined by the
evaluation
option and provides statistics about the modules you linted.We encourage users to use the new reporter as the
json
reporter will no longerbe maintained.
Closes #4741
In Pyreverse package dependency diagrams, show when a module imports another only for type-checking.
Closes #8112
Add new option (
--show-stdlib
,-L
) topyreverse
.This is similar to the behavior of
--show-builtin
in that standard librarymodules are now not included by default, and this option will include them.
Closes #8181
Add Pyreverse option to exclude standalone nodes from diagrams with
--no-standalone
.Closes #8476
New Checks
Added
DataclassChecker
module andinvalid-field-call
checker to check for invalid dataclasses.field() usage.Refs #5159
Add
return-in-finally
to emit a message if a return statement was found in a finally clause.Closes #8260
Add a new checker
kwarg-superseded-by-positional-arg
to warn when a function is called with a keyword argument which shares a name with a positional-only parameter and the function contains a keyword variadic parameter dictionary. It may be surprising behaviour when the keyword argument is added to the keyword variadic parameter dictionary.Closes #8558
Extensions
Add new
prefer-typing-namedtuple
message to theCodeStyleChecker
to suggestrewriting calls to
collections.namedtuple
as classes inheriting fromtyping.NamedTuple
on Python 3.6+.
Requires
load-plugins=pylint.extensions.code_style
andenable=prefer-typing-namedtuple
to be raised.Closes #8660
False Positives Fixed
Extend concept of "function ambiguity" in
safe_infer()
fromdiffering number of function arguments to differing set of argument names.
Solves false positives in
tensorflow
.Closes #3613
Fix
unused-argument
false positive when__new__
does not use all the arguments of__init__
.Closes #3670
Fix a false positive for
invalid-name
when a type-annotated class variable in anenum.Enum
class has no assigned value.Refs #7402
Fix
unused-import
false positive for usage ofsix.with_metaclass
.Closes #7506
Fix false negatives and false positives for
too-many-try-statements
,too-complex
, andtoo-many-branches
by correctly counting statementsunder a
try
.Refs #7767
When checking for unbalanced dict unpacking in for-loops, Pylint will now test whether the length of each value to be
unpacked matches the number of unpacking targets. Previously, Pylint would test the number of values for the loop
iteration, which would produce a false unbalanced-dict-unpacking warning.
Closes #8156
Fix false positive for
used-before-assignment
when usage and assignmentare guarded by the same test in different statements.
Closes #8167
Adds
asyncSetUp
to the defaultdefining-attr-methods
list to silenceattribute-defined-outside-init
warning when usingunittest.IsolatedAsyncioTestCase
.Refs #8403
logging-not-lazy
is not longer emitted for explicitly concatenated string arguments.Closes #8410
Fix false positive for isinstance-second-argument-not-valid-type when union types contains None.
Closes #8424
invalid-name
now allows for integers intypealias
names:Good2Name
,GoodName2
._1BadName
.Closes #8485
No longer consider
Union
as type annotation as type alias for naming checks.Closes #8487
unnecessary-lambda
no longer warns on lambdas which use its parameters intheir body (other than the final arguments), e.g.
lambda foo: (bar if foo else baz)(foo)
.Closes #8496
Fixed
unused-import
so that it observes thedummy-variables-rgx
option.Closes #8500
Union
typed variables without assignment are no longer treated asTypeAlias
.Closes #8540
Allow parenthesized implicitly concatenated strings when
check-str-concat-over-line-jumps
is enabled.Closes #8552.
Fix false positive for
positional-only-arguments-expected
when a function contains both a positional-only parameter that has a default value, and**kwargs
.Closes #8555
Fix false positive for
keyword-arg-before-vararg
when a positional-only parameter with a default value precedes*args
.Closes #8570
Fix false positive for
arguments-differ
when overriding__init_subclass__
.Closes #8919
Fix a false positive for
no-value-for-parameter
when a staticmethod is called in a class body.Closes #9036
False Negatives Fixed
Emit
used-before-assignment
when calling module-level functions before definition.Closes #1144
Apply
infer_kwarg_from_call()
to more checksThese mostly solve false negatives for various checks,
save for one false positive for
use-maxsplit-arg
.Closes #7761
TypeAlias
variables defined in functions are now checked forinvalid-name
errors.Closes #8536
Fix false negative for
no-value-for-parameter
when a function, whose signature contains both a positional-only parametername
and also*kwargs
, is called with a keyword-argument forname
.Closes #8559
Fix a false negative for
too-many-arguments
by considering positional-only and keyword-only parameters.Closes #8667
Emit
assignment-from-no-return
for calls to builtin methods likedict.update()
.Calls to
list.sort()
now raiseassignment-from-no-return
rather than
assignment-from-none
for consistency.Closes #8714
Closes #8810
consider-using-augmented-assign
is now applied to dicts and lists as well.Closes #8959
Other Bug Fixes
Support
duplicate-code
message when parallelizing with--jobs
.Closes #374
Support
cyclic-import
message when parallelizing with--jobs
.Closes #4171
--jobs
can now be used with--load-plugins
.This had regressed in astroid 2.5.0.
Closes #4874
docparams extension considers type comments as type documentation.
Closes #6287
When parsing comma-separated lists of regular expressions in the config, ignore
commas that are inside braces since those indicate quantifiers, not delineation
between expressions.
Closes #7229
The
ignored-modules
option will now be correctly taken into account forno-name-in-module
.Closes #7578
sys.argv
is now always correctly considered as impossible to infer (instead ofusing the actual values given to pylint).
Closes #7710
Avoid duplicative warnings for unqualified exception names in the
overgeneral-exceptions
setting when running with
--jobs
.Closes #7774
Don't show class fields more than once in Pyreverse diagrams.
Closes #8189
Fix
used-before-assignment
false negative when TYPE_CHECKING importsare used in multiple scopes.
Closes #8198
--clear-cache-post-run
now also clears LRU caches for pylint utilitiesholding references to AST nodes.
Closes #8361
Fix a crash when
TYPE_CHECKING
is used without importing it.Closes #8434
Fix a
used-before-assignment
false positive when importsare made under the
TYPE_CHECKING
else if branch.Closes #8437
Fix a regression of
preferred-modules
where a partial match was used instead of the required full match.Closes #8453
Fix a crash in pyreverse when "/" characters are used in the output filename e.g pyreverse -o png -p name/ path/to/project.
Closes #8504
Don't show arrows more than once in Pyreverse diagrams.
Closes #8522
Improve output of
consider-using-generator
message formin()
calls withdefault
keyword.Closes #8563
Fixed a crash when generating a configuration file:
tomlkit.exceptions.TOMLKitError: Can't add a table to a dotted key
caused by tomlkit
v0.11.8
.Closes #8632
Fix a line break error in Pyreverse dot output.
Closes #8671
Fix a false positive for
method-hidden
when usingcached_property
decorator.Closes #8753
Dunder methods defined in lambda do not trigger
unnecessary-dunder-call
anymore, if they cannot be replaced by the non-dunder call.Closes #8769
Don't show duplicate type annotations in Pyreverse diagrams.
Closes #8888
Fixing inconsistent hashing issue in
BaseChecker
causing some reports not being exported.Closes #9001
Don't add
Optional
to|
annotations withNone
in Pyreverse diagrams.Closes #9014
Pyreverse doesn't show multiple class association arrows anymore, but only the strongest one.
Refs #9045
Prevented data loss in the linter stats for messages relating
to the linter itself (e.g.
unknown-option-value
), fixingproblems with score, fail-on, etc.
Closes #9059
Fix crash in refactoring checker when unary operand used with variable in for loop.
Closes #9074
Other Changes
Pylint now exposes its type annotations.
Closes #5488 and #2079
Search for
pyproject.toml
recursively in parent directories up to a project or file system root.Refs #7163, Closes #3289
All code related to the optparse config parsing has been removed.
Refs #8405
Pylint now supports python 3.12.
Refs #8718
Add a CITATION.cff file to the root of the repository containing the necessary metadata to cite Pylint.
Closes #8760
Renamed the "unneeded-not" error into "unnecessary_negation" to be clearer.
Closes #8789
Internal Changes
get_message_definition
was removed from the base checker API. You can accessmessage definitions through the
MessageStore
.Refs #8401
Everything related to the
__implements__
construct was removed. It was based on PEP245that was proposed in 2001 and rejected in 2006.
All the classes inheriting
Interface
inpylint.interfaces
were removed.Checker
should only inheritBaseChecker
or any of the other checker typesfrom
pylint.checkers
.Reporter
should only inheritBaseReporter
.Refs #8404
modname
andmsg_store
are now required to be given inFileState
.collect_block_lines
has also been removed.Pylinter.current_name
cannot be null anymore.
Refs #8407
Reporter.set_output
was removed in favor ofreporter.out = stream
.Refs #8408
A number of old utility functions and classes have been removed:
MapReduceMixin
: To make a checker reduce map data simply implementget_map_data
andreduce_map_data
.is_inside_lambda
: Useutils.get_node_first_ancestor_of_type(x, nodes.Lambda)
check_messages
: Useutils.only_required_for_messages
is_class_subscriptable_pep585_with_postponed_evaluation_enabled
: Useis_postponed_evaluation_enabled(node)
andis_node_in_type_annotation_context(node)
get_python_path
: assumption that there's always an init.py is not true sincepython 3.3 and is causing problems, particularly with PEP 420. Use
discover_package_path
and pass source root(s).
fix_import_path
: Useaugmented_sys_path
and pass additionalsys.path
entries as an argument obtained from
discover_package_path
.get_global_option
: Usechecker.linter.config
to get all global options.Related private objects have been removed as well.
Refs #8409
colorize_ansi
now only accepts aMessageStyle
object.Refs #8412
Following a deprecation period,
Pylinter.check
now only works with sequences of strings, not strings.Refs #8463
Following a deprecation period,
ColorizedTextReporter
only acceptsColorMappingDict
.Refs #8464
Following a deprecation period,
MessageTest
'send_line
andend_col_offset
must be accurate in functional tests (for python 3.8 or above on cpython, and for
python 3.9 or superior on pypy).
Refs #8466
Following a deprecation period, the
do_exit
argument of theRun
class (and of the_Run
class in testutils) were removed.
Refs #8472
Following a deprecation period, the
py_version
argument of theMessageDefinition.may_be_emitted
function is now required. The most likely solutionis to use 'linter.config.py_version' if you need to keep using this
function, or to use 'MessageDefinition.is_message_enabled' instead.
Refs #8473
Following a deprecation period, the
OutputLine
class now requiresthe right number of argument all the time. The functional output can be
regenerated automatically to achieve that easily.
Refs #8474
Following a deprecation period,
is_typing_guard
,is_node_in_typing_guarded_import_block
andis_node_in_guarded_import_block
frompylint.utils
were removed: use a combination ofis_sys_guard
andin_type_checking_block
instead.Refs #8475
Following a deprecation period, the
location
argument of theMessage
class must now be aMessageLocationTuple
.Refs #8477
Following a deprecation period, the
check_single_file
function of thePylinter
is replaced byPylinter.check_single_file_item
.Refs #8478
Performance Improvements
pylint
runs (at least) ~5% faster after improvements toastroid
that make better use of the inference cache.
Refs pylint-dev/astroid#529
is_trailing_comma()
.class_is_abstract()
.Refs #1954
Exit immediately if all messages are disabled.
Closes #8715
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