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Changelog
=========
2.6.0 (2020-05-11)
------------------
Announcements:
* Anthony Sottile (@asottile) joined the team as a core developer. :tada:
Changes:
* E306: fix detection inside ``async def``. PR #929.
* E301: fix regression disallowing decorated one-liners. PR #927.
* E714: fix false positive with chained ``is not``. PR #931.
2.6.0a1 (2020-04-23)
--------------------
New checks:
* E225: require whitespace around ``and`` ``in`` ``is`` and ``or``. PR #847.
Changes:
* E117: fix indentation using tabs by treating as 8-space indents. PR #837.
* E721: fix false positive with names containg ``istype``. PR #850.
* E741: allow ``l`` as a named argument in a function call. PR #853.
* E302: fix false-negative with decorated functions. PR #859.
* W504: ellipsis (``...``) is no longer treated as a binary operator. PR #875.
* E402: allow ``with``, ``if``, ``elif``, ``else`` to guard imports. PR #834.
* Add support for assignment expressions ``:=`` (PEP 572). PR #879.
* Add support for positional-only arguments ``/`` (PEP 570). PR #872, #918.
* Add support for python 3.8.
* Add support for matrix multiplication operator ``@`` (PEP 465). PR #897.
* Support visual indent for continuation lines for ``with`` / ``assert`` /
``raise``. PR #912.
* E302: allow two blank lines after a block of one-liners. PR #913.
* E302: allow two-and-fewer newlines at the top of the file. PR #919.
2.5.0 (2019-01-29)
------------------
New checks:
* E117: Over-indented code blocks
* W505: Maximum doc-string length only when configured with --max-doc-length
Changes:
* Remove support for EOL Python 2.6 and 3.3. PR #720.
* Add E117 error for over-indented code blocks.
* Allow W605 to be silenced by `# noqa` and fix the position reported by W605
* Allow users to omit blank lines around one-liner definitions of classes and
functions
* Include the function return annotation (``->``) as requiring surrounding
whitespace only on Python 3
* Verify that only names can follow ``await``. Previously we allowed numbers
and strings.
* Add support for Python 3.7
* Fix detection of annotated argument defaults for E252
* Correct the position reported by W504
2.4.0 (2018-04-10)
------------------
New checks:
* Add W504 warning for checking that a break doesn't happen after a binary
operator. This check is ignored by default. PR #502.
* Add W605 warning for invalid escape sequences in string literals. PR #676.
* Add W606 warning for 'async' and 'await' reserved keywords being introduced
in Python 3.7. PR #684.
* Add E252 error for missing whitespace around equal sign in type annotated
function arguments with defaults values. PR #717.
Changes:
* An internal bisect search has replaced a linear search in order to improve
efficiency. PR #648.
* pycodestyle now uses PyPI trove classifiers in order to document supported
python versions on PyPI. PR #654.
* 'setup.cfg' '[wheel]' section has been renamed to '[bdist_wheel]', as
the former is legacy. PR #653.
* pycodestyle now handles very long lines much more efficiently for python
3.2+. Fixes #643. PR #644.
* You can now write 'pycodestyle.StyleGuide(verbose=True)' instead of
'pycodestyle.StyleGuide(verbose=True, paths=['-v'])' in order to achieve
verbosity. PR #663.
* The distribution of pycodestyle now includes the license text in order to
comply with open source licenses which require this. PR #694.
* 'maximum_line_length' now ignores shebang ('#!') lines. PR #736.
* Add configuration option for the allowed number of blank lines. It is
implemented as a top level dictionary which can be easily overwritten. Fixes
#732. PR #733.
Bugs:
* Prevent a 'DeprecationWarning', and a 'SyntaxError' in future python, caused
by an invalid escape sequence. PR #625.
* Correctly report E501 when the first line of a docstring is too long.
Resolves #622. PR #630.
* Support variable annotation when variable start by a keyword, such as class
variable type annotations in python 3.6. PR #640.
* pycodestyle internals have been changed in order to allow 'python3 -m
cProfile' to report correct metrics. PR #647.
* Fix a spelling mistake in the description of E722. PR #697.
* 'pycodestyle --diff' now does not break if your 'gitconfig' enables
'mnemonicprefix'. PR #706.
2.3.1 (2017-01-31)
------------------
Bugs:
* Fix regression in detection of E302 and E306; #618, #620
2.3.0 (2017-01-30)
------------------
New Checks:
* Add E722 warning for bare ``except`` clauses
* Report E704 for async function definitions (``async def``)
Bugs:
* Fix another E305 false positive for variables beginning with "class" or
"def"
* Fix detection of multiple spaces between ``async`` and ``def``
* Fix handling of variable annotations. Stop reporting E701 on Python 3.6 for
variable annotations.
2.2.0 (2016-11-14)
------------------
Announcements:
* Added Make target to obtain proper tarball file permissions; #599
Bugs:
* Fixed E305 regression caused by #400; #593
2.1.0 (2016-11-04)
------------------
Announcements:
* Change all references to the pep8 project to say pycodestyle; #530
Changes:
* Report E302 for blank lines before an "async def"; #556
* Update our list of tested and supported Python versions which are 2.6, 2.7,
3.2, 3.3, 3.4 and 3.5 as well as the nightly Python build and PyPy.
* Report E742 and E743 for functions and classes badly named 'l', 'O', or 'I'.
* Report E741 on 'global' and 'nonlocal' statements, as well as prohibited
single-letter variables.
* Deprecated use of `[pep8]` section name in favor of `[pycodestyle]`; #591
* Report E722 when bare except clause is used; #579
Bugs:
* Fix opt_type AssertionError when using Flake8 2.6.2 and pycodestyle; #561
* Require two blank lines after toplevel def, class; #536
* Remove accidentally quadratic computation based on the number of colons. This
will make pycodestyle faster in some cases; #314
2.0.0 (2016-05-31)
------------------
Announcements:
* Repository renamed to `pycodestyle`; Issue #466 / #481.
* Added joint Code of Conduct as member of PyCQA; #483
Changes:
* Added tox test support for Python 3.5 and pypy3
* Added check E275 for whitespace on `from ... import ...` lines; #489 / #491
* Added W503 to the list of codes ignored by default ignore list; #498
* Removed use of project level `.pep8` configuration file; #364
Bugs:
* Fixed bug with treating `~` operator as binary; #383 / #384
* Identify binary operators as unary; #484 / #485
1.7.0 (2016-01-12)
------------------
Announcements:
* Repository moved to PyCQA Organization on GitHub:
https://github.com/pycqa/pep8
Changes:
* Reverted the fix in #368, "options passed on command line are only ones
accepted" feature. This has many unintended consequences in pep8 and flake8
and needs to be reworked when I have more time.
* Added support for Python 3.5. (Issue #420 & #459)
* Added support for multi-line config_file option parsing. (Issue #429)
* Improved parameter parsing. (Issues #420 & #456)
Bugs:
* Fixed BytesWarning on Python 3. (Issue #459)
1.6.2 (2015-02-15)
------------------
Changes:
* Added check for breaking around a binary operator. (Issue #197, Pull #305)
Bugs:
* Restored config_file parameter in process_options(). (Issue #380)
1.6.1 (2015-02-08)
------------------
Changes:
* Assign variables before referenced. (Issue #287)
Bugs:
* Exception thrown due to unassigned ``local_dir`` variable. (Issue #377)
1.6.0 (2015-02-06)
------------------
News:
* Ian Lee <[email protected]> joined the project as a maintainer.
Changes:
* Report E731 for lambda assignment. (Issue #277)
* Report E704 for one-liner def instead of E701.
Do not report this error in the default configuration. (Issue #277)
* Replace codes E111, E112 and E113 with codes E114, E115 and E116
for bad indentation of comments. (Issue #274)
* Report E266 instead of E265 when the block comment starts with
multiple ``#``. (Issue #270)
* Report E402 for import statements not at the top of the file. (Issue #264)
* Do not enforce whitespaces around ``**`` operator. (Issue #292)
* Strip whitespace from around paths during normalization. (Issue #339 / #343)
* Update ``--format`` documentation. (Issue #198 / Pull Request #310)
* Add ``.tox/`` to default excludes. (Issue #335)
* Do not report E121 or E126 in the default configuration. (Issues #256 / #316)
* Allow spaces around the equals sign in an annotated function. (Issue #357)
* Allow trailing backslash if in an inline comment. (Issue #374)
* If ``--config`` is used, only that configuration is processed. Otherwise,
merge the user and local configurations are merged. (Issue #368 / #369)
Bug fixes:
* Don't crash if Checker.build_tokens_line() returns None. (Issue #306)
* Don't crash if os.path.expanduser() throws an ImportError. (Issue #297)
* Missing space around keyword parameter equal not always reported, E251.
(Issue #323)
* Fix false positive E711/E712/E713. (Issues #330 and #336)
* Do not skip physical checks if the newline is escaped. (Issue #319)
* Flush sys.stdout to avoid race conditions with printing. See flake8 bug:
https://gitlab.com/pycqa/flake8/issues/17 for more details. (Issue #363)
1.5.7 (2014-05-29)
------------------
Bug fixes:
* Skip the traceback on "Broken pipe" signal. (Issue #275)
* Do not exit when an option in ``setup.cfg`` or ``tox.ini``
is not recognized.
* Check the last line even if it does not end with a newline. (Issue #286)
* Always open files in universal newlines mode in Python 2. (Issue #288)
1.5.6 (2014-04-14)
------------------
Bug fixes:
* Check the last line even if it has no end-of-line. (Issue #273)
1.5.5 (2014-04-10)
------------------
Bug fixes:
* Fix regression with E22 checks and inline comments. (Issue #271)
1.5.4 (2014-04-07)
------------------
Bug fixes:
* Fix negative offset with E303 before a multi-line docstring.
(Issue #269)
1.5.3 (2014-04-04)
------------------
Bug fixes:
* Fix wrong offset computation when error is on the last char
of a physical line. (Issue #268)
1.5.2 (2014-04-04)
------------------
Changes:
* Distribute a universal wheel file.
Bug fixes:
* Report correct line number for E303 with comments. (Issue #60)
* Do not allow newline after parameter equal. (Issue #252)
* Fix line number reported for multi-line strings. (Issue #220)
* Fix false positive E121/E126 with multi-line strings. (Issue #265)
* Fix E501 not detected in comments with Python 2.5.
* Fix caret position with ``--show-source`` when line contains tabs.
1.5.1 (2014-03-27)
------------------
Bug fixes:
* Fix a crash with E125 on multi-line strings. (Issue #263)
1.5 (2014-03-26)
----------------
Changes:
* Report E129 instead of E125 for visually indented line with same
indent as next logical line. (Issue #126)
* Report E265 for space before block comment. (Issue #190)
* Report E713 and E714 when operators ``not in`` and ``is not`` are
recommended. (Issue #236)
* Allow long lines in multiline strings and comments if they cannot
be wrapped. (Issue #224).
* Optionally disable physical line checks inside multiline strings,
using ``# noqa``. (Issue #242)
* Change text for E121 to report "continuation line under-indented
for hanging indent" instead of indentation not being a
multiple of 4.
* Report E131 instead of E121 / E126 if the hanging indent is not
consistent within the same continuation block. It helps when
error E121 or E126 is in the ``ignore`` list.
* Report E126 instead of E121 when the continuation line is hanging
with extra indentation, even if indentation is not a multiple of 4.
Bug fixes:
* Allow the checkers to report errors on empty files. (Issue #240)
* Fix ignoring too many checks when ``--select`` is used with codes
declared in a flake8 extension. (Issue #216)
* Fix regression with multiple brackets. (Issue #214)
* Fix ``StyleGuide`` to parse the local configuration if the
keyword argument ``paths`` is specified. (Issue #246)
* Fix a false positive E124 for hanging indent. (Issue #254)
* Fix a false positive E126 with embedded colon. (Issue #144)
* Fix a false positive E126 when indenting with tabs. (Issue #204)
* Fix behaviour when ``exclude`` is in the configuration file and
the current directory is not the project directory. (Issue #247)
* The logical checks can return ``None`` instead of an empty iterator.
(Issue #250)
* Do not report multiple E101 if only the first indentation starts
with a tab. (Issue #237)
* Fix a rare false positive W602. (Issue #34)
1.4.6 (2013-07-02)
------------------
Changes:
* Honor ``# noqa`` for errors E711 and E712. (Issue #180)
* When both a ``tox.ini`` and a ``setup.cfg`` are present in the project
directory, merge their contents. The ``tox.ini`` file takes
precedence (same as before). (Issue #182)
* Give priority to ``--select`` over ``--ignore``. (Issue #188)
* Compare full path when excluding a file. (Issue #186)
* New option ``--hang-closing`` to switch to the alternative style of
closing bracket indentation for hanging indent. Add error E133 for
closing bracket which is missing indentation. (Issue #103)
* Accept both styles of closing bracket indentation for hanging indent.
Do not report error E123 in the default configuration. (Issue #103)
Bug fixes:
* Do not crash when running AST checks and the document contains null bytes.
(Issue #184)
* Correctly report other E12 errors when E123 is ignored. (Issue #103)
* Fix false positive E261/E262 when the file contains a BOM. (Issue #193)
* Fix E701, E702 and E703 not detected sometimes. (Issue #196)
* Fix E122 not detected in some cases. (Issue #201 and #208)
* Fix false positive E121 with multiple brackets. (Issue #203)
1.4.5 (2013-03-06)
------------------
* When no path is specified, do not try to read from stdin. The feature
was added in 1.4.3, but it is not supported on Windows. Use ``-``
filename argument to read from stdin. This usage is supported
since 1.3.4. (Issue #170)
* Do not require ``setuptools`` in setup.py. It works around an issue
with ``pip`` and Python 3. (Issue #172)
* Add ``__pycache__`` to the ignore list.
* Change misleading message for E251. (Issue #171)
* Do not report false E302 when the source file has a coding cookie or a
comment on the first line. (Issue #174)
* Reorganize the tests and add tests for the API and for the command line
usage and options. (Issues #161 and #162)
* Ignore all checks which are not explicitly selected when ``select`` is
passed to the ``StyleGuide`` constructor.
1.4.4 (2013-02-24)
------------------
* Report E227 or E228 instead of E225 for whitespace around bitwise, shift
or modulo operators. (Issue #166)
* Change the message for E226 to make clear that it is about arithmetic
operators.
* Fix a false positive E128 for continuation line indentation with tabs.
* Fix regression with the ``--diff`` option. (Issue #169)
* Fix the ``TestReport`` class to print the unexpected warnings and
errors.
1.4.3 (2013-02-22)
------------------
* Hide the ``--doctest`` and ``--testsuite`` options when installed.
* Fix crash with AST checkers when the syntax is invalid. (Issue #160)
* Read from standard input if no path is specified.
* Initiate a graceful shutdown on ``Control+C``.
* Allow changing the ``checker_class`` for the ``StyleGuide``.
1.4.2 (2013-02-10)
------------------
* Support AST checkers provided by third-party applications.
* Register new checkers with ``register_check(func_or_cls, codes)``.
* Allow constructing a ``StyleGuide`` with a custom parser.
* Accept visual indentation without parenthesis after the ``if``
statement. (Issue #151)
* Fix UnboundLocalError when using ``# noqa`` with continued lines.
(Issue #158)
* Re-order the lines for the ``StandardReport``.
* Expand tabs when checking E12 continuation lines. (Issue #155)
* Refactor the testing class ``TestReport`` and the specific test
functions into a separate test module.
1.4.1 (2013-01-18)
------------------
* Allow sphinx.ext.autodoc syntax for comments. (Issue #110)
* Report E703 instead of E702 for the trailing semicolon. (Issue #117)
* Honor ``# noqa`` in addition to ``# nopep8``. (Issue #149)
* Expose the ``OptionParser`` factory for better extensibility.
1.4 (2012-12-22)
----------------
* Report E226 instead of E225 for optional whitespace around common
operators (``*``, ``**``, ``/``, ``+`` and ``-``). This new error
code is ignored in the default configuration because PEP 8 recommends
to "use your own judgement". (Issue #96)
* Lines with a ``# nopep8`` at the end will not issue errors on line
length E501 or continuation line indentation E12*. (Issue #27)
* Fix AssertionError when the source file contains an invalid line
ending ``"\r\r\n"``. (Issue #119)
* Read the ``[pep8]`` section of ``tox.ini`` or ``setup.cfg`` if present.
(Issue #93 and #141)
* Add the Sphinx-based documentation, and publish it
on https://pycodestyle.readthedocs.io/. (Issue #105)
1.3.4 (2012-12-18)
------------------
* Fix false positive E124 and E128 with comments. (Issue #100)
* Fix error on stdin when running with bpython. (Issue #101)
* Fix false positive E401. (Issue #104)
* Report E231 for nested dictionary in list. (Issue #142)
* Catch E271 at the beginning of the line. (Issue #133)
* Fix false positive E126 for multi-line comments. (Issue #138)
* Fix false positive E221 when operator is preceded by a comma. (Issue #135)
* Fix ``--diff`` failing on one-line hunk. (Issue #137)
* Fix the ``--exclude`` switch for directory paths. (Issue #111)
* Use ``-`` filename to read from standard input. (Issue #128)
1.3.3 (2012-06-27)
------------------
* Fix regression with continuation line checker. (Issue #98)
1.3.2 (2012-06-26)
------------------
* Revert to the previous behaviour for ``--show-pep8``:
do not imply ``--first``. (Issue #89)
* Add E902 for IO errors. (Issue #87)
* Fix false positive for E121, and missed E124. (Issue #92)
* Set a sensible default path for config file on Windows. (Issue #95)
* Allow ``verbose`` in the configuration file. (Issue #91)
* Show the enforced ``max-line-length`` in the error message. (Issue #86)
1.3.1 (2012-06-18)
------------------
* Explain which configuration options are expected. Accept and recommend
the options names with hyphen instead of underscore. (Issue #82)
* Do not read the user configuration when used as a module
(except if ``config_file=True`` is passed to the ``StyleGuide`` constructor).
* Fix wrong or missing cases for the E12 series.
* Fix cases where E122 was missed. (Issue #81)
1.3 (2012-06-15)
----------------
.. warning::
The internal API is backwards incompatible.
* Remove global configuration and refactor the library around
a ``StyleGuide`` class; add the ability to configure various
reporters. (Issue #35 and #66)
* Read user configuration from ``~/.config/pep8``
and local configuration from ``./.pep8``. (Issue #22)
* Fix E502 for backslash embedded in multi-line string. (Issue #68)
* Fix E225 for Python 3 iterable unpacking (PEP 3132). (Issue #72)
* Enable the new checkers from the E12 series in the default
configuration.
* Suggest less error-prone alternatives for E712 errors.
* Rewrite checkers to run faster (E22, E251, E27).
* Fixed a crash when parsed code is invalid (too many
closing brackets).
* Fix E127 and E128 for continuation line indentation. (Issue #74)
* New option ``--format`` to customize the error format. (Issue #23)
* New option ``--diff`` to check only modified code. The unified
diff is read from STDIN. Example: ``hg diff | pep8 --diff``
(Issue #39)
* Correctly report the count of failures and set the exit code to 1
when the ``--doctest`` or the ``--testsuite`` fails.
* Correctly detect the encoding in Python 3. (Issue #69)
* Drop support for Python 2.3, 2.4 and 3.0. (Issue #78)
1.2 (2012-06-01)
----------------
* Add E121 through E128 for continuation line indentation. These
checks are disabled by default. If you want to force all checks,
use switch ``--select=E,W``. Patch by Sam Vilain. (Issue #64)
* Add E721 for direct type comparisons. (Issue #47)
* Add E711 and E712 for comparisons to singletons. (Issue #46)
* Fix spurious E225 and E701 for function annotations. (Issue #29)
* Add E502 for explicit line join between brackets.
* Fix E901 when printing source with ``--show-source``.
* Report all errors for each checker, instead of reporting only the
first occurrence for each line.
* Option ``--show-pep8`` implies ``--first``.
1.1 (2012-05-24)
----------------
* Add E901 for syntax errors. (Issues #63 and #30)
* Add E271, E272, E273 and E274 for extraneous whitespace around
keywords. (Issue #57)
* Add ``tox.ini`` configuration file for tests. (Issue #61)
* Add ``.travis.yml`` configuration file for continuous integration.
(Issue #62)
1.0.1 (2012-04-06)
------------------
* Fix inconsistent version numbers.
1.0 (2012-04-04)
----------------
* Fix W602 ``raise`` to handle multi-char names. (Issue #53)
0.7.0 (2012-03-26)
------------------
* Now ``--first`` prints only the first occurrence of each error.
The ``--repeat`` flag becomes obsolete because it is the default
behaviour. (Issue #6)
* Allow specifying ``--max-line-length``. (Issue #36)
* Make the shebang more flexible. (Issue #26)
* Add testsuite to the bundle. (Issue #25)
* Fixes for Jython. (Issue #49)
* Add PyPI classifiers. (Issue #43)
* Fix the ``--exclude`` option. (Issue #48)
* Fix W602, accept ``raise`` with 3 arguments. (Issue #34)
* Correctly select all tests if ``DEFAULT_IGNORE == ''``.
0.6.1 (2010-10-03)
------------------
* Fix inconsistent version numbers. (Issue #21)
0.6.0 (2010-09-19)
------------------
* Test suite reorganized and enhanced in order to check more failures
with fewer test files. Read the ``run_tests`` docstring for details
about the syntax.
* Fix E225: accept ``print >>sys.stderr, "..."`` syntax.
* Fix E501 for lines containing multibyte encoded characters. (Issue #7)
* Fix E221, E222, E223, E224 not detected in some cases. (Issue #16)
* Fix E211 to reject ``v = dic['a'] ['b']``. (Issue #17)
* Exit code is always 1 if any error or warning is found. (Issue #10)
* ``--ignore`` checks are now really ignored, especially in
conjunction with ``--count``. (Issue #8)
* Blank lines with spaces yield W293 instead of W291: some developers
want to ignore this warning and indent the blank lines to paste their
code easily in the Python interpreter.
* Fix E301: do not require a blank line before an indented block. (Issue #14)
* Fix E203 to accept NumPy slice notation ``a[0, :]``. (Issue #13)
* Performance improvements.
* Fix decoding and checking non-UTF8 files in Python 3.
* Fix E225: reject ``True+False`` when running on Python 3.
* Fix an exception when the line starts with an operator.
* Allow a new line before closing ``)``, ``}`` or ``]``. (Issue #5)
0.5.0 (2010-02-17)
------------------
* Changed the ``--count`` switch to print to sys.stderr and set
exit code to 1 if any error or warning is found.
* E241 and E242 are removed from the standard checks. If you want to
include these checks, use switch ``--select=E,W``. (Issue #4)
* Blank line is not mandatory before the first class method or nested
function definition, even if there's a docstring. (Issue #1)
* Add the switch ``--version``.
* Fix decoding errors with Python 3. (Issue #13 [1]_)
* Add ``--select`` option which is mirror of ``--ignore``.
* Add checks E261 and E262 for spaces before inline comments.
* New check W604 warns about deprecated usage of backticks.
* New check W603 warns about the deprecated operator ``<>``.
* Performance improvement, due to rewriting of E225.
* E225 now accepts:
- no whitespace after unary operator or similar. (Issue #9 [1]_)
- lambda function with argument unpacking or keyword defaults.
* Reserve "2 blank lines" for module-level logical blocks. (E303)
* Allow multi-line comments. (E302, issue #10 [1]_)
0.4.2 (2009-10-22)
------------------
* Decorators on classes and class methods are OK now.
0.4 (2009-10-20)
----------------
* Support for all versions of Python from 2.3 to 3.1.
* New and greatly expanded self tests.
* Added ``--count`` option to print the total number of errors and warnings.
* Further improvements to the handling of comments and blank lines.
(Issue #1 [1]_ and others changes.)
* Check all py files in directory when passed a directory (Issue
#2 [1]_). This also prevents an exception when traversing directories
with non ``*.py`` files.
* E231 should allow commas to be followed by ``)``. (Issue #3 [1]_)
* Spaces are no longer required around the equals sign for keyword
arguments or default parameter values.
.. [1] These issues refer to the `previous issue tracker`__.
.. __: http://github.com/cburroughs/pep8.py/issues
0.3.1 (2009-09-14)
------------------
* Fixes for comments: do not count them when checking for blank lines between
items.
* Added setup.py for pypi upload and easy_installability.
0.2 (2007-10-16)
----------------
* Loads of fixes and improvements.
0.1 (2006-10-01)
----------------
* First release.