Merge branch 'master' into allow-all-config-formats

Author: Pierre-Sassoulas

.flake8

@@ -0,0 +1,7 @@
+[flake8]
+ignore =
+    E203, W503, # Incompatible with black see https://github.com/ambv/black/issues/315
+    E501, # Lot of offending line right now
+
+max-line-length=88
+max-complexity=39

.gitignore

@@ -1,6 +1,6 @@
-.svn/
-.hg/
-.hgtags/
+# Do not add entries specific to your dev environment or development
+# preferences in this file. You can use the global .gitignore for that:
+# git config --global core.excludesFile '~/.gitignore'
 /log
 *.py[cod]
 /build
@@ -20,8 +20,6 @@ debian/pylint.substvars
 debian/pylint
 .coverage
 .coverage.*
-.idea
-.vscode
 .cache/
 .eggs/
 .pytest_cache/

.pre-commit-config.yaml

@@ -1,16 +1,54 @@
 repos:
--   repo: https://github.com/ambv/black
-    rev: 19.10b0
+-   repo: https://github.com/myint/autoflake
+    rev: v1.4
     hooks:
-    - id: black
-      args: [--safe, --quiet]
-      exclude: tests/functional/|tests/input|tests/extensions/data|tests/regrtest_data/|tests/data/
+    -   id: autoflake
+        exclude: &fixtures tests/functional/|tests/input|tests/extensions/data|tests/regrtest_data/|tests/data/
+        args:
+            - --in-place
+            - --remove-all-unused-imports
+            - --expand-star-imports
+            - --remove-duplicate-keys
+            - --remove-unused-variables
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v2.1.0
+    rev: v3.4.0
     hooks:
     -   id: trailing-whitespace
+        exclude: "tests/functional/t/trailing_whitespaces.py"
     -   id: end-of-file-fixer
--   repo: https://github.com/pre-commit/mirrors-isort
-    rev: v4.3.21
+        exclude: "tests/functional/m/missing_final_newline.py|tests/functional/t/trailing_newlines.py"
+-   repo: https://github.com/PyCQA/isort
+    rev: 5.7.0
     hooks:
     -   id: isort
+-   repo: https://gitlab.com/pycqa/flake8
+    rev: 3.8.4
+    hooks:
+    -   id: flake8
+        exclude: *fixtures
+-   repo: https://github.com/ambv/black
+    rev: 20.8b1
+    hooks:
+    - id: black
+      args: [--safe, --quiet]
+      exclude: *fixtures
+-   repo: local
+    hooks:
+    -   id: pylint
+        name: pylint
+        entry: pylint
+        language: system
+        types: [python]
+        exclude: tests/functional/|tests/input|tests/extensions/data|tests/regrtest_data/|tests/data/|doc/
+-   repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v0.800
+    hooks:
+    -   id: mypy
+        name: mypy
+        entry: mypy
+        language: python
+        "types": [python]
+        args: ["--ignore-missing-imports", "--scripts-are-modules"]
+        require_serial: true
+        additional_dependencies: []
+        exclude: tests/functional/|tests/input|tests/extensions/data|tests/regrtest_data/|tests/data/|doc/|bin/

.travis.yml

@@ -17,14 +17,14 @@ jobs:
   - python: 3.6
     env: TOXENV=spelling
   - stage: tests-cpython
-    python: 3.5
-    env: TOXENV=py35
-  - python: 3.6
+    python: 3.6
     env: TOXENV=py36
   - python: 3.7
     env: TOXENV=py37
   - python: 3.8
     env: TOXENV=py38
+  - python: 3.9
+    env: TOXENV=py39
   - stage: tests-pypy
     python: pypy3
     env: TOXENV=pypy

CONTRIBUTORS.txt

@@ -286,11 +286,7 @@ contributors:
 
 * Michael Scott Cuthbert: contributor
 
-* Pierre Sassoulas : contributor
-    - Made C0412 (ungrouped import) compatible with isort
-    - Made multiple message with the same old name possible
-    - Made Pylint a little faster by refactoring the message store
-    - Broke down "missing-docstrings" between "module", "class" and "function"
+* Pierre Sassoulas : maintainer, contributor
 
 * Nathan Marrow
 
@@ -399,3 +395,53 @@ contributors:
 * Ethan Leba: contributor
 
 * Matěj Grabovský: contributor
+
+* Yeting Li (yetingli): contributor
+
+* Frost Ming (frostming): contributor
+
+* Luigi Bertaco Cristofolini (luigibertaco): contributor
+
+* Eli Fine (eli88fine): Fixed false positive duplicate code warning for lines with symbols only
+
+* Ganden Schaffner: contributor
+
+* Josselin Feist: contributor
+
+* David Cain: contributor
+
+* Pedro Algarvio (s0undt3ch): contributor
+
+* Luigi Bertaco Cristofolini (luigibertaco): contributor
+
+* Or Bahari
+
+* Joshua Cannon: contributor
+
+* Giuseppe Valente: contributor
+
+* Takashi Hirashima: contributor
+
+* Joffrey Mander: contributor
+
+* Julien Palard: contributor
+
+* Raphael Gaschignard: contributor
+
+* Sorin Sbarnea: contributor
+
+* Gergely Kalmár: contributor
+
+* Batuhan Taskaya: contributor
+
+* Frank Harrison (doublethefish): contributor
+
+* Gauthier Sebaux: contributor
+
+* Logan Miller (komodo472): contributor
+
+* Matthew Suozzo: contributor
+
+* Marc Mueller (cdce8p): contributor
+
+* David Gilman: contributor

ChangeLog

@@ -2,22 +2,172 @@
 Pylint's ChangeLog
 ------------------
 
-What's New in Pylint 2.6.1?
+What's New in Pylint 2.7.0?
 ===========================
 
-Release date: TBA
+* Python 3.6+ is now required.
+
+* Bug fix for empty-comment message line number.
+
+  Closes #4009
+
+* Only emit `bad-reversed-sequence` on dictionaries if below py3.8
+
+  Closes #3940
+
+* Handle class decorators applied to function.
+
+  Closes #3882
+
+* Add check for empty comments
+
+* Fix minor documentation issue in contribute.rst
+
+* Enums are now required to be named in UPPER_CASE by ``invalid-name``.
+
+  Close #3834
+
+* Add missing checks for deprecated functions.
+
+* Postponed evaluation of annotations are now recognized by default if python version is above 3.10
+
+  Closes #3992
+
+* Fix column metadata for anomalous backslash lints
+
+* Drop support for Python 3.5
+
+* Add support for pep585 with postponed evaluation
+
+  Closes #3320
+
+* Check alternative union syntax - PEP 604
+
+  Closes #4065
+
+* Fix multiple false positives with assignment expressions
+
+  Closes #3347, #3953, #3865, #3275
+
+* Fix TypedDict inherit-non-class false-positive Python 3.9+
+
+  Closes #1927
+
+* Fix issue with nested PEP 585 syntax
+
+* Fix issue with nested PEP 604 syntax
+
+* Fix a crash in `undefined-variable` caused by chained attributes in metaclass
+
+  Close #3742
+
+* Fix false positive for `not-async-context-manager` when `contextlib.asynccontextmanager` is used
+
+  Close #3862
+
+* Fix linter multiprocessing pool shutdown (triggered warnings when runned in parallels with other pytest plugins)
+
+  Closes #3779
+
+* Fix a false-positive emission of `no-self-use` and `unused-argument` for methods
+  of generic structural types (`Protocol[T]`)
+
+  Closes #3885
+
+* Fix bug that lead to duplicate messages when using ``--jobs 2`` or more.
+
+  Close #3584
+
+* Adds option ``check-protected-access-in-special-methods`` in the ClassChecker to activate/deactivate
+  ``protected-access`` message emission for single underscore prefixed attribute in special methods.
+
+  Close #3120
+
+* Fix vulnerable regular expressions in ``pyreverse``
+
+  Close #3811
 
 * ``inconsistent-return-statements`` message is now emitted if one of ``try/except`` statement
   is not returning explicitly while the other do.
 
   Closes #3468
-  
+
 * Fix ``useless-super-delegation`` false positive when default keyword argument is a dictionnary.
 
   Close #3773
 
 * Fix a crash when a specified config file does not exist
 
+* Add support to ``ignored-argument-names`` in DocstringParameterChecker and adds `useless-param-doc` and `useless-type-doc` messages.
+
+  Close #3800
+
+* Enforce docparams consistently when docstring is not present
+
+  Close #2738
+
+* Fix ``duplicate-code`` false positive when lines only contain whitespace and non-alphanumeric characters (e.g. parentheses, bracket, comman, etc.)
+
+* Improve lint message for `singleton-comparison` with bools
+
+* Fix spell-checker crash on indented docstring lines that look like # comments
+
+  Close #3786
+
+* Fix AttributeError in checkers/refactoring.py
+
+* Improve sphinx directives spelling filter
+
+* Fix a bug with postponed evaluation when using aliases for annotations.
+
+  Close #3798
+
+* Fix minor documentation issues
+
+* Improve the performance of the line length check.
+
+* Removed incorrect deprecation of ``inspect.getfullargspec``
+
+* Fix ``signature-differs`` false positive for functions with variadics
+
+  Close #3737
+
+* Fix a crash in `consider-using-enumerate` when encountering `range()` without arguments
+
+  Close #3735
+
+* `len-as-conditions` is now triggered only for classes that are inheriting directly from list, dict, or set and not implementing the `__bool__` function, or from generators like range or list/dict/set comprehension. This should reduce the false positives for other classes, like pandas's DataFrame or numpy's Array.
+
+  Close #1879
+
+* Fixes duplicate-errors not working with -j2+
+
+  Close #3314
+
+* `generated-members` now matches the qualified name of members
+
+  Close #2498
+
+* Add check for bool function to `len-as-condition`
+
+* Add `simplifiable-condition` check for extraneous constants in conditionals using and/or.
+
+* Add `condition-evals-to-constant` check for conditionals using and/or that evaluate to a constant.
+
+  Close #3407
+
+* Changed setup.py to work with [distlib](https://pypi.org/project/distlib)
+
+  Close #3555
+
+What's New in Pylint 2.6.1?
+===========================
+
+* Astroid version has been set as < 2.5
+
+  Close #4093
+
+
 What's New in Pylint 2.6.0?
 ===========================
 
@@ -67,13 +217,6 @@ Release date: 2020-08-20
 
   Close #3722
 
-* Add check for bool function to `len-as-condition`
-
-* Add `simplifiable-condition` check for extraneous constants in conditionals using and/or.
-
-* Add `condition-evals-to-constant` check for conditionals using and/or that evaluate to a constant.
-
-  Close #3407
 
 What's New in Pylint 2.5.4?
 ===========================

Dockerfile

@@ -0,0 +1,7 @@
+FROM python:3.9.0-alpine3.12
+
+COPY ./ /tmp/build
+WORKDIR /tmp/build
+RUN python setup.py install && rm -rf /tmp/build
+
+ENTRYPOINT ["pylint"]