Code audit tool for Python and JavaScript. Pylama wraps these tools:
- pycodestyle (formerly pep8) © 2012-2013, Florent Xicluna;
- pydocstyle (formerly pep257 by Vladimir Keleshev) © 2014, Amir Rachum;
- PyFlakes © 2005-2013, Kevin Watters;
- Mccabe © Ned Batchelder;
- Pylint © 2013, Logilab (should be installed 'pylama_pylint' module);
- Radon © Michele Lacchia
- gjslint © The Closure Linter Authors (should be installed 'pylama_gjslint' module);
Docs are available at https://pylama.readthedocs.org/. Pull requests with documentation enhancements and/or fixes are awesome and most welcome.
- Python (2.7, 3.2, 3.3)
- To use JavaScript checker (
gjslint) you need to installpython-gflagswithpip install python-gflags. - If your tests are failing on Win platform you are missing:
curses- http://www.lfd.uci.edu/~gohlke/pythonlibs/ (The curses library supplies a terminal-independent screen-painting and keyboard-handling facility for text-based terminals)
Pylama could be installed using pip: :: :
$ pip install pylamaPylama is easy to use and really fun for checking code quality. Just run pylama and get common output from all pylama plugins (pycodestyle, PyFlakes and etc)
Recursive check the current directory. :
$ pylamaRecursive check a path. :
$ pylama <path_to_directory_or_file>Ignore errors :
$ pylama -i W,E501Note
You could choose a group erros D,`E1` and etc or special errors C0312
Choose code checkers :
$ pylama -l "pycodestyle,mccabe"Choose code checkers for JavaScript:
$ pylama --linters=gjslint --ignore=E:0010 <path_to_directory_or_file>$ pylama --help
usage: pylama [-h] [--verbose] [--version] [--format {pycodestyle,pylint}]
[--select SELECT] [--sort SORT] [--linters LINTERS]
[--ignore IGNORE] [--skip SKIP] [--report REPORT] [--hook]
[--async] [--options OPTIONS] [--force] [--abspath]
[paths [paths ...]]
Code audit tool for python.
positional arguments:
paths Paths to files or directories for code check.
optional arguments:
-h, --help show this help message and exit
--verbose, -v Verbose mode.
--version show program's version number and exit
--format {pycodestyle,pylint}, -f {pycodestyle,pylint}
Choose errors format (pycodestyle, pylint).
--select SELECT, -s SELECT
Select errors and warnings. (comma-separated list)
--sort SORT Sort result by error types. Ex. E,W,D
--linters LINTERS, -l LINTERS
Select linters. (comma-separated). Choices are
mccabe,pycodestyle,pyflakes,pydocstyle.
--ignore IGNORE, -i IGNORE
Ignore errors and warnings. (comma-separated)
--skip SKIP Skip files by masks (comma-separated, Ex.
*/messages.py)
--report REPORT, -r REPORT
Send report to file [REPORT]
--hook Install Git (Mercurial) hook.
--async Enable async mode. Useful for checking a lot of
files. Unsupported with pylint.
--options FILE, -o FILE
Specify configuration file. Looks for pylama.ini,
setup.cfg, tox.ini, or pytest.ini in the current
directory.
--force, -F Force code checking (if linter doesnt allow)
--abspath, -a Use absolute paths in output.You can set options for Pylama inside a source files. Use pylama modeline for this.
Format: :
# pylama:{name1}={value1}:{name2}={value2}:..... Somethere in code
# pylama:ignore=W:select=W301Disable code checking for current file: :
.. Somethere in code
# pylama:skip=1The options have a must higher priority.
Just add # noqa in end of line for ignore.
def urgent_fuction():
unused_var = 'No errors here' # noqaPylama looks for a configuration file in the current directory, using the following names by default: :
pylama.ini
setup.cfg
tox.ini
pytest.iniThe "--option" / "-o" argument can be used to specify a configuration file.
From the configuration file sections starting with pylama are read.
The "pylama" section configures global options like linters and skip.
[pylama]
format = pylint
skip = */.tox/*,*/.env/*
linters = pylint,mccabe
ignore = F0401,C0111,E731You could set options for special code checker with pylama configurations.
[pylama:pyflakes]
builtins = _
[pylama:pycodestyle]
max_line_length = 100
[pylama:pylint]
max_line_length = 100
disable = RSee code checkers documentation for more info.
You could set options for special file (group of files) with sections:
The options have a higher priority than in the pylama section.
[pylama:*/pylama/main.py]
ignore = C901,R0914,W0212
select = R
[pylama:*/tests.py]
ignore = C0110
[pylama:*/setup.py]
skip = 1Pylama have Pytest support. The package automatically register self as pytest plugin during installation. Pylama also supports pytest_cache plugin.
Check files with pylama :
pytest --pylama ...Recommended way to set pylama options when using pytest — configuration files (see below).
You can write a custom extension for Pylama. Custom linter should be a python module. Name should be like 'pylama<name>'.
In 'setup.py' should be defined 'pylama.linter' entry point. :
setup(
# ...
entry_points={
'pylama.linter': ['lintername = pylama_lintername.main:Linter'],
}
# ...
)'Linter' should be instance of 'pylama.lint.Linter' class. Must implemented two methods:
'allow' take a path and returned true if linter could check this file for errors. 'run' take a path and meta keywords params and return list of errors.
Just a virtual 'WOW' checker.
setup.py: :
setup(
name='pylama_wow',
install_requires=[ 'setuptools' ],
entry_points={
'pylama.linter': ['wow = pylama_wow.main:Linter'],
}
# ...
)pylama_wow.py: :
from pylama.lint import Linter as BaseLinter
class Linter(BaseLinter):
def allow(self, path):
return 'wow' in path
def run(self, path, **meta):
with open(path) as f:
if 'wow' in f.read():
return [{
lnum: 0,
col: 0,
text: 'Wow has been finded.',
type: 'WOW'
}]from pylama.main import check_path, parse_options
my_redefined_options = {...}
my_path = '...'
options = parse_options([my_path], **my_redefined_options)
errors = check_path(options)If you have any suggestions, bug reports or annoyances please report them to the issue tracker at https://github.com/klen/pylama/issues
Development of pylama happens at GitHub: https://github.com/klen/pylama
See AUTHORS.
Licensed under a BSD license.
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