github wemake-services/wemake-python-styleguide 1.0.0
Version 1.0.0 with full `ruff` support
on GitHub

4 days ago

Ruff

This release introduces the new main concept: ruff compatibility.

Now WPS is the only flake8 plugin that is installed.
Other things are done by ruff.
It is faster, it has autofixing, there are lots of rules.
Basically, this way WPS just gain lots
of new rule and plugins almost for free.
It is now stricter than ever! WPS now officially supports
ALL ruff existing rules. This means that there are no conflicts
between two linters.

To run WPS and ruff together, use: 

ruff format && ruff check && flake8 --select=WPS .

You can copy our configuration from pyproject.toml (for ruff) and setup.cfg (for flake8).

Black

WPS can now also be used with black with default configuration.
However, we recommend using ruff format instead.

Speed

WPS got a lot faster! Because:

  • We removed a lot of flake8 plugins
  • We removed a lot of rules covered by ruff

Running 0.19.2 (previous version) on https://github.com/dry-python/returns 

» time flake8 .
flake8 .  20.63s user 2.47s system 469% cpu 4.919 total

The same on 1.0.0: 

» time flake8 .
flake8 .  8.56s user 0.54s system 898% cpu 1.013 total

Which is 2.4x times faster!

Integrations

We also significantly improved all the integrations!
WPS can now be used as first-class pre-commit hook with: 

repos:
- repo: https://github.com/wemake-services/wemake-python-styleguide
  rev: 1.0.0
  hooks:
    - id: wemake-python-styleguide

Our GitHub Action also got a lot of new options and fixes.

Removals

  • Breaking: Drops python3.9 support
  • Breaking: Drops nitpick support
  • Breaking: Drops flake8-commas, flake8-isort,
    flake8-debugger, flake8-string-format, flake8-quotes,
    flake8-comprehensions, flake8-bugbear, flake8-docstrings,
    flake8-eradicate, flake8-bandit, flake8-broken-line,
    flake8-rst-docstrings, pep8-naming
    support, use ruff format and ruff check instead
  • Breaking: Drops darglint support, because it is unmaintained
  • Breaking: Removes WPS113, because is covered by pylint linter
  • Breaking: Removes WPS119, because is covered by pylint linter
  • Breaking: Removes WPS125, because it is covered by ruff linter
  • Breaking: Removes WPS302, because it is covered by ruff formatter
  • Breaking: Removes WPS304, because it is covered by ruff formatter
  • Breaking: Removes WPS305, because it is covered by ruff formatter
  • Breaking: Removes WPS306, because it is covered by ruff formatter
  • Breaking: Removes WPS309, because it is covered by ruff formatter
  • Breaking: Removes WPS310, because it is covered by ruff formatter
  • Breaking: Removes WPS313, because it is covered by ruff formatter
  • Breaking: Removes WPS315, because it is covered by ruff formatter
  • Breaking: Removes WPS316, because it is covered by ruff linter
  • Breaking: Removes WPS317, because it is covered by ruff formatter
  • Breaking: Removes WPS318, because it is covered by ruff formatter
  • Breaking: Removes WPS319, because it is covered by ruff formatter
  • Breaking: Removes WPS320, because it is covered by ruff formatter
  • Breaking: Removes WPS323, because it is covered by ruff formatter
  • Breaking: Removes WPS326, because it is covered by ruff linter
  • Breaking: Removes WPS329, because it is covered by ruff linter
  • Breaking: Removes WPS331, because it is covered by ruff linter
  • Breaking: Removes WPS333, because is covered by pylint linter
  • Breaking: Removes WPS337, because it is covered by ruff formatter
  • Breaking: Removes WPS340, because it is covered by ruff formatter
  • Breaking: Removes WPS341, because it is covered by ruff formatter
  • Breaking: Removes WPS343, because it is covered by ruff formatter
  • Breaking: Removes WPS348, because it conflicts with ruff formatter
  • Breaking: Removes WPS351, because it is covered by ruff linter
  • Breaking: Removes WPS352, because it is covered by ruff formatter
  • Breaking: Removes WPS355, because it is covered by ruff formatter
  • Breaking: Removes WPS360, because it is covered by ruff formatter
  • Breaking: Removes WPS361, because it is covered by ruff formatter
  • Breaking: Removes WPS415, because is covered by ruff linter
  • Breaking: Removes WPS417, because is covered by ruff linter
  • Breaking: Removes WPS419, because is covered by ruff linter
  • Breaking: Removes WPS423, because is covered by ruff linter
  • Breaking: Removes WPS424, because is covered by ruff linter
  • Breaking: Removes WPS425, because is covered by ruff linter
  • Breaking: Removes WPS428, because is covered by ruff linter
  • Breaking: Removes WPS433, because is covered by pylint linter
  • Breaking: Removes WPS434, because is covered by pylint linter
  • Breaking: Removes WPS436, because is covered by pylint linter
  • Breaking: Removes WPS437, because is covered by ruff linter
  • Breaking: Removes WPS440, because
    it was buggy and is covered by mypy, #3209
  • Breaking: Removes WPS442, because
    it was buggy and is covered by mypy, #3209
  • Breaking: Removes WPS450, because is covered by pylint linter
  • Breaking: Removes WPS452, because is covered by ruff linter
  • Breaking: Removes WPS454, because is covered by ruff linter
  • Breaking: Removes WPS456, because is covered by ruff linter
  • Breaking: Removes WPS465, because | is now heavily used by typing
  • Breaking: Removes WPS467, because is covered by pylint linter
  • Breaking: Removes WPS502, because is covered by ruff linter
  • Breaking: Removes WPS503, because is covered by ruff linter
  • Breaking: Removes WPS507, because is covered by pylint linter
  • Breaking: Removes WPS508, because is covered by ruff linter
  • Breaking: Removes WPS510, because is covered by pylint linter
  • Breaking: Removes WPS514, because is covered by pylint linter
  • Breaking: Removes WPS528, because is covered by pylint linter
  • Breaking: Removes WPS525, because is covered by ruff linter
  • Breaking: Removes WPS526, because is covered by ruff linter
  • Breaking: Removes WPS521, because is covered by ruff linter
  • Breaking: Removes WPS609, because is covered by pylint linter
  • Breaking: Removes --i-control-code setting,
    if you want to disable some violations, just use # noqa or --ignore
    with code that you want to exclude, there's no need
    to create one more way of disabling some specific violations

Features

  • Adds official python3.13 support
  • Allows any compares in assert statements for WPS520, #3112
  • Allows walrus operator (:=) in comprehesions, #3121
  • Allows pass in case bodies, #2642
  • Allows subclassing builtins in WPS600, when creating an Enum, #2506
  • Allows using variables after blocks for WPS441 in assert statements, #2543
  • Does not count self, cls, and mcs as arguments
    for WPS211 complexity check anymore, #2394
  • Allows underscores (_) with exactly 3 digits after it in WPS303, #3120
  • Allows class / instance attribute shadowing
    in @dataclasses for WPS601, #1926
  • Allows any number of instance attributes on @dataclasses in WPS230, #2448
  • Allows any number of function parameters
    in @overload definitions for WPS211, #1957
  • Allows using multiline strings when placed on separate lines, #3056
  • Allows using hasattr builtin function, #2228
  • Disallows using is not and not in as negated conditions in WPS504, #2617
  • Allows all branches in if/elif/else to be negated in WPS504, #2617
  • Adds a new rule to forbid lambda assigns to special attributes, #1733
  • Adds a new rule to check problematic function params, #1343
  • Adds a new rule to detect duplicate conditions in ifs and elifs, #2241
  • Adds a new rule to detect duplicate case pattens in match, #3206
  • Adds a new rule to find too many match subjects, #3201
  • Adds a new rule to detect too many case statements, #3202
  • Adds a new rule to find too complex except with too many exceptions
  • Adds a new rule to find too many PEP695 type params
  • Adds a new rule to find useless ternary expressions, #1706
  • Adds a new rule to forbid raise SystemExit, use sys.exit instead, #1786
  • Adds a new rule to forbid extra syntax in match ... subjects, #3217
  • Adds new --allowed-module-metadata and --forbidden-module-metadata
    configuration options for WPS410, #3060
  • Now --allowed-domain-names also affect WPS11
    to allow custom short variable names, #2554
  • Adds support to run wemake-python-styleguide as a pre-commit hook, #2588
  • GitHub Action can now use cwd: parameter to specify
    where your configuration file is, #2474
  • GitHub Action can now use fail_workflow: parameter to not fail
    the workflow even if the check did find any issues
  • GitHub Action can now use filter_mode: parameter to specify
    how ReviewDog will filter found violations,
    see https://github.com/reviewdog/reviewdog#filter-mode #2239

Bugfixes

  • Fixes WPS217 to allow simple calls in f strings, #3150
  • Fixes WPS217 not to raise on empty f strings,
    because ruff check handles that now for us
  • Fixes OverusedStringViolation not to include '...' string
  • Removes astor package in favour of ast.unparse
  • Fixes WPS210 to not count nested local variables in nested scopes #3108
  • Fixes IterableUnpackingViolation with generic types and TypeVarTuple
  • Fixes WPS469 detecting incorrect names of raised exceptions, #3109
  • Fixes unnormalized paths in formatter output
  • Fixes WPS221 to ignore PEP695's TypeAlias from line complexity checks
  • Fixes WPS474 to only count import collisions in the same context, #2962
  • Fixes WPS612 to count defaults in function definitions, #2478
  • Fixes several bugs in WPS322 with multiline strings detection
  • Fixes several violations not been detected in case: statements
  • Fixes WPS314 not detecting match statements
  • Fixes match + case does not increase cognitive complexity

Misc

  • Integration with ondivi doc for legacy codebases
  • Fixes a documentation error for the Formatter (Showing statistic) section
  • Source code is now formatted with ruff
  • Removes deprecated ast nodes from code:
    ast.Num, ast.Bytes, ast.Str, ast.NamedConstant, etc
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