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ale/doc/ale-python.txt
Konstantin Alekseev 1462de6685 Run flake8 from project root by default. 
Option `per-file-ignores` was introduced in flake8 version 3.7.0.
It allows to ignore specific errors in specific files using glob syntax.
For example `per-file-ignores = src/generated/*.py:F401` will
ignore `F401` error in all python files in `src/generated`.
Thus ale has to run flake8 from project root where .flake8 config
is placed otherwise glob won't match linted file.
2020-08-30 22:56:10 +03:00

835 lines
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Text
Raw Blame History

===============================================================================
ALE Python Integration *ale-python-options*
g:ale_python_auto_pipenv *g:ale_python_auto_pipenv*
*b:ale_python_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
===============================================================================
ALE Python Project Root Behavior *ale-python-root*
For some linters, ALE will search for a Python project root by looking at the
files in directories on or above where a file being checked is. ALE applies
the following methods, in order:
1. Find the first directory containing a common Python configuration file.
2. If no configuration file can be found, use the first directory which does
not contain a readable file named `__init__.py`.
ALE will look for configuration files with the following filenames. >
MANIFEST.in
setup.cfg
pytest.ini
tox.ini
mypy.ini
pycodestyle.cfg
.flake8
.flake8rc
pylama.ini
pylintrc
.pylintrc
Pipfile
Pipfile.lock
<
The first directory containing any of the files named above will be used.
===============================================================================
autopep8 *ale-python-autopep8*
g:ale_python_autopep8_executable *g:ale_python_autopep8_executable*
*b:ale_python_autopep8_executable*
Type: |String|
Default: `'autopep8'`
See |ale-integrations-local-executables|
g:ale_python_autopep8_options *g:ale_python_autopep8_options*
*b:ale_python_autopep8_options*
Type: |String|
Default: `''`
This variable can be set to pass extra options to autopep8.
g:ale_python_autopep8_use_global *g:ale_python_autopep8_use_global*
*b:ale_python_autopep8_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
===============================================================================
bandit *ale-python-bandit*
g:ale_python_bandit_executable *g:ale_python_bandit_executable*
*b:ale_python_bandit_executable*
Type: |String|
Default: `'bandit'`
See |ale-integrations-local-executables|
Set this to `'pipenv'` to invoke `'pipenv` `run` `bandit'`.
g:ale_python_bandit_options *g:ale_python_bandit_options*
*b:ale_python_bandit_options*
Type: |String|
Default: `''`
This variable can be changed to add command-line arguments to the
bandit invocation.
g:ale_python_bandit_use_config *g:ale_python_bandit_use_config*
*b:ale_python_bandit_use_config*
Type: |Number|
Default: `1`
If this variable is true and a `.bandit` file exists in the directory of the
file being checked or a parent directory, an `--ini` option is added to the
`bandit` command for the nearest `.bandit` file. Set this variable false to
disable adding the `--ini` option automatically.
g:ale_python_bandit_use_global *g:ale_python_bandit_use_global*
*b:ale_python_bandit_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
g:ale_python_bandit_auto_pipenv *g:ale_python_bandit_auto_pipenv*
*b:ale_python_bandit_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
===============================================================================
black *ale-python-black*
g:ale_python_black_executable *g:ale_python_black_executable*
*b:ale_python_black_executable*
Type: |String|
Default: `'black'`
See |ale-integrations-local-executables|
g:ale_python_black_options *g:ale_python_black_options*
*b:ale_python_black_options*
Type: |String|
Default: `''`
This variable can be set to pass extra options to black.
g:ale_python_black_use_global *g:ale_python_black_use_global*
*b:ale_python_black_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
g:ale_python_black_auto_pipenv *g:ale_python_black_auto_pipenv*
*b:ale_python_black_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
g:ale_python_black_change_directory *g:ale_python_black_change_directory*
*b:ale_python_black_change_directory*
Type: |Number|
Default: `1`
If set to `1`, ALE will switch to the directory the Python file being
checked with `black` is in before checking it. This helps `black` find
configuration files more easily. This option can be turned off if you want
to control the directory Python is executed from yourself.
===============================================================================
flake8 *ale-python-flake8*
g:ale_python_flake8_change_directory *g:ale_python_flake8_change_directory*
*b:ale_python_flake8_change_directory*
Type: |String|
Default: `project`
If set to `project`, ALE will switch to the project root before checking file.
If set to `file`, ALE will switch to directory the Python file being
checked with `flake8` is in before checking it.
You can turn it off with `off` option if you want to control the directory
Python is executed from yourself.
g:ale_python_flake8_executable *g:ale_python_flake8_executable*
*b:ale_python_flake8_executable*
Type: |String|
Default: `'flake8'`
This variable can be changed to modify the executable used for flake8. Set
this to `'pipenv'` to invoke `'pipenv` `run` `flake8'`.
g:ale_python_flake8_options *g:ale_python_flake8_options*
*b:ale_python_flake8_options*
Type: |String|
Default: `''`
This variable can be changed to add command-line arguments to the flake8
invocation.
For example, to dynamically switch between programs targeting Python 2 and
Python 3, you may want to set >
let g:ale_python_flake8_executable = 'python3' " or 'python' for Python 2
let g:ale_python_flake8_options = '-m flake8'
<
after making sure it's installed for the appropriate Python versions (e.g.
`python3 -m pip install --user flake8`).
g:ale_python_flake8_use_global *g:ale_python_flake8_use_global*
*b:ale_python_flake8_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
This variable controls whether or not ALE will search for flake8 in a
virtualenv directory first. If this variable is set to `1`, then ALE will
always use |g:ale_python_flake8_executable| for the executable path.
Both variables can be set with `b:` buffer variables instead.
g:ale_python_flake8_auto_pipenv *g:ale_python_flake8_auto_pipenv*
*b:ale_python_flake8_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
===============================================================================
isort *ale-python-isort*
g:ale_python_isort_executable *g:ale_python_isort_executable*
*b:ale_python_isort_executable*
Type: |String|
Default: `'isort'`
See |ale-integrations-local-executables|
g:ale_python_isort_options *g:ale_python_isort_options*
*b:ale_python_isort_options*
Type: |String|
Default: `''`
This variable can be set to pass extra options to isort.
g:ale_python_isort_use_global *g:ale_python_isort_use_global*
*b:ale_python_isort_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
===============================================================================
mypy *ale-python-mypy*
The minimum supported version of mypy that ALE supports is v0.4.4. This is
the first version containing the `--shadow-file` option ALE needs to be able
to check for errors while you type.
`mypy` will be run from a detected project root, per |ale-python-root|.
g:ale_python_mypy_auto_pipenv *g:ale_python_mypy_auto_pipenv*
*b:ale_python_mypy_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
g:ale_python_mypy_executable *g:ale_python_mypy_executable*
*b:ale_python_mypy_executable*
Type: |String|
Default: `'mypy'`
See |ale-integrations-local-executables|
Set this to `'pipenv'` to invoke `'pipenv` `run` `mypy'`.
g:ale_python_mypy_ignore_invalid_syntax
*g:ale_python_mypy_ignore_invalid_syntax*
*b:ale_python_mypy_ignore_invalid_syntax*
Type: |Number|
Default: `0`
When set to `1`, syntax error messages for mypy will be ignored. This option
can be used when running other Python linters which check for syntax errors,
as mypy can take a while to finish executing.
g:ale_python_mypy_options *g:ale_python_mypy_options*
*b:ale_python_mypy_options*
Type: |String|
Default: `''`
This variable can be changed to add command-line arguments to the mypy
invocation.
g:ale_python_mypy_show_notes *g:ale_python_mypy_show_notes*
*b:ale_python_mypy_show_notes*
Type: |Number|
Default: `1`
If enabled, notes on lines will be displayed as 'I' (info) messages.
g:ale_python_mypy_use_global *g:ale_python_mypy_use_global*
*b:ale_python_mypy_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
===============================================================================
prospector *ale-python-prospector*
g:ale_python_prospector_executable *g:ale_python_prospector_executable*
*b:ale_python_prospector_executable*
Type: |String|
Default: `'prospector'`
See |ale-integrations-local-executables|
Set this to `'pipenv'` to invoke `'pipenv` `run` `prospector'`.
g:ale_python_prospector_options *g:ale_python_prospector_options*
*b:ale_python_prospector_options*
Type: |String|
Default: `''`
This variable can be changed to add command-line arguments to the prospector
invocation.
For example, to dynamically switch between programs targeting Python 2 and
Python 3, you may want to set >
let g:ale_python_prospector_executable = 'python3'
" or 'python' for Python 2
let g:ale_python_prospector_options = '--rcfile /path/to/.prospector.yaml'
" The virtualenv detection needs to be disabled.
let g:ale_python_prospector_use_global = 0
after making sure it's installed for the appropriate Python versions (e.g.
`python3 -m pip install --user prospector`).
g:ale_python_prospector_use_global *g:ale_python_prospector_use_global*
*b:ale_python_prospector_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
g:ale_python_prospector_auto_pipenv *g:ale_python_prospector_auto_pipenv*
*b:ale_python_prospector_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
===============================================================================
pycodestyle *ale-python-pycodestyle*
g:ale_python_pycodestyle_executable *g:ale_python_pycodestyle_executable*
*b:ale_python_pycodestyle_executable*
Type: |String|
Default: `'pycodestyle'`
See |ale-integrations-local-executables|
Set this to `'pipenv'` to invoke `'pipenv` `run` `pycodestyle'`.
g:ale_python_pycodestyle_options *g:ale_python_pycodestyle_options*
*b:ale_python_pycodestyle_options*
Type: |String|
Default: `''`
This variable can be changed to add command-line arguments to the
pycodestyle invocation.
g:ale_python_pycodestyle_use_global *g:ale_python_pycodestyle_use_global*
*b:ale_python_pycodestyle_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
g:ale_python_pycodestyle_auto_pipenv *g:ale_python_pycodestyle_auto_pipenv*
*b:ale_python_pycodestyle_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
===============================================================================
pydocstyle *ale-python-pydocstyle*
g:ale_python_pydocstyle_executable *g:ale_python_pydocstyle_executable*
*b:ale_python_pydocstyle_executable*
Type: |String|
Default: `'pydocstyle'`
See |ale-integrations-local-executables|
Set this to `'pipenv'` to invoke `'pipenv` `run` `pydocstyle'`.
g:ale_python_pydocstyle_options *g:ale_python_pydocstyle_options*
*b:ale_python_pydocstyle_options*
Type: |String|
Default: `''`
This variable can be changed to add command-line arguments to the
pydocstyle invocation.
g:ale_python_pydocstyle_use_global *g:ale_python_pydocstyle_use_global*
*b:ale_python_pydocstyle_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
g:ale_python_pydocstyle_auto_pipenv *g:ale_python_pydocstyle_auto_pipenv*
*b:ale_python_pydocstyle_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
===============================================================================
pyflakes *ale-python-pyflakes*
g:ale_python_pyflakes_executable *g:ale_python_pyflakes_executable*
*b:ale_python_pyflakes_executable*
Type: |String|
Default: `'pyflakes'`
See |ale-integrations-local-executables|
Set this to `'pipenv'` to invoke `'pipenv` `run` `pyflakes'`.
g:ale_python_pyflakes_auto_pipenv *g:ale_python_pyflakes_auto_pipenv*
*b:ale_python_pyflakes_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
===============================================================================
pylama *ale-python-pylama*
g:ale_python_pylama_change_directory *g:ale_python_pylama_change_directory*
*b:ale_python_pylama_change_directory*
Type: |Number|
Default: `1`
If set to `1`, `pylama` will be run from a detected project root, per
|ale-python-root|. This is useful because `pylama` only searches for
configuration files in its current directory and applies file masks using
paths relative to its current directory. This option can be turned off if
you want to control the directory in which `pylama` is executed.
g:ale_python_pylama_executable *g:ale_python_pylama_executable*
*b:ale_python_pylama_executable*
Type: |String|
Default: `'pylama'`
This variable can be changed to modify the executable used for pylama. Set
this to `'pipenv'` to invoke `'pipenv` `run` `pylama'`.
g:ale_python_pylama_options *g:ale_python_pylama_options*
*b:ale_python_pylama_options*
Type: |String|
Default: `''`
This variable can be changed to add command-line arguments to the pylama
invocation.
g:ale_python_pylama_use_global *g:ale_python_pylama_use_global*
*b:ale_python_pylama_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
This variable controls whether or not ALE will search for pylama in a
virtualenv directory first. If this variable is set to `1`, then ALE will
always use |g:ale_python_pylama_executable| for the executable path.
Both variables can be set with `b:` buffer variables instead.
g:ale_python_pylama_auto_pipenv *g:ale_python_pylama_auto_pipenv*
*b:ale_python_pylama_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
===============================================================================
pylint *ale-python-pylint*
g:ale_python_pylint_change_directory *g:ale_python_pylint_change_directory*
*b:ale_python_pylint_change_directory*
Type: |Number|
Default: `1`
If set to `1`, `pylint` will be run from a detected project root, per
|ale-python-root|. Since `pylint` only checks for `pylintrc` in the packages
above its current directory before falling back to user and global `pylintrc`
files, this is necessary for `pylint` to use a project `pylintrc` file, if
present. This option can be turned off if you want to control the directory
Python is executed from yourself.
g:ale_python_pylint_executable *g:ale_python_pylint_executable*
*b:ale_python_pylint_executable*
Type: |String|
Default: `'pylint'`
See |ale-integrations-local-executables|
Set this to `'pipenv'` to invoke `'pipenv` `run` `pylint'`.
g:ale_python_pylint_options *g:ale_python_pylint_options*
*b:ale_python_pylint_options*
Type: |String|
Default: `''`
This variable can be changed to add command-line arguments to the pylint
invocation.
For example, to dynamically switch between programs targeting Python 2 and
Python 3, you may want to set >
let g:ale_python_pylint_executable = 'python3' " or 'python' for Python 2
let g:ale_python_pylint_options = '--rcfile /path/to/pylint.rc'
" The virtualenv detection needs to be disabled.
let g:ale_python_pylint_use_global = 0
after making sure it's installed for the appropriate Python versions (e.g.
`python3 -m pip install --user pylint`).
g:ale_python_pylint_use_global *g:ale_python_pylint_use_global*
*b:ale_python_pylint_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
g:ale_python_pylint_auto_pipenv *g:ale_python_pylint_auto_pipenv*
*b:ale_python_pylint_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
g:ale_python_pylint_use_msg_id *g:ale_python_pylint_use_msg_id*
*b:ale_python_pylint_use_msg_id*
Type: |Number|
Default: `0`
Use message for output (e.g. I0011) instead of symbolic name of the message
(e.g. locally-disabled).
===============================================================================
pyls *ale-python-pyls*
`pyls` will be run from a detected project root, per |ale-python-root|.
g:ale_python_pyls_executable *g:ale_python_pyls_executable*
*b:ale_python_pyls_executable*
Type: |String|
Default: `'pyls'`
See |ale-integrations-local-executables|
Set this to `'pipenv'` to invoke `'pipenv` `run` `pyls'`.
g:ale_python_pyls_use_global *g:ale_python_pyls_use_global*
*b:ale_python_pyls_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
g:ale_python_pyls_auto_pipenv *g:ale_python_pyls_auto_pipenv*
*b:ale_python_pyls_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
g:ale_python_pyls_config *g:ale_python_pyls_config*
*b:ale_python_pyls_config*
Type: |Dictionary|
Default: `{}`
Dictionary with configuration settings for pyls. For example, to disable
the pycodestyle linter: >
{
\ 'pyls': {
\ 'plugins': {
\ 'pycodestyle': {
\ 'enabled': v:false
\ }
\ }
\ },
\ }
<
===============================================================================
pyre *ale-python-pyre*
`pyre` will be run from a detected project root, per |ale-python-root|.
g:ale_python_pyre_executable *g:ale_python_pyre_executable*
*b:ale_python_pyre_executable*
Type: |String|
Default: `'pyre'`
See |ale-integrations-local-executables|
Set this to `'pipenv'` to invoke `'pipenv` `run` `pyre'`.
g:ale_python_pyre_use_global *g:ale_python_pyre_use_global*
*b:ale_python_pyre_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
g:ale_python_pyre_auto_pipenv *g:ale_python_pyre_auto_pipenv*
*b:ale_python_pyre_auto_pipenv*
Type: |Number|
Default: `0`
Detect whether the file is inside a pipenv, and set the executable to `pipenv`
if true. This is overridden by a manually-set executable.
===============================================================================
pyright *ale-python-pyright*
The `pyrlight` linter requires a recent version of `pyright` which includes
the `pyright-langserver` executable. You can install `pyright` on your system
through `npm` with `sudo npm install -g pyright` or similar.
Refer to their README for installation instructions:
https://github.com/Microsoft/pyright
`pyright` needs to know the path to your Python executable and probably a
virtualenv to run. ALE will try to detect these automatically.
See |g:ale_python_pyright_config|.
g:ale_python_pyright_executable *g:ale_python_pyright_executable*
*b:ale_python_pyright_executable*
Type: |String|
Default: `'pyright-langserver'`
The executable for running `pyright`, which is typically installed globally.
g:ale_python_pyright_config *g:ale_python_pyright_config*
*b:ale_python_pyright_config*
Type: |Dictionary|
Default: `{}`
Settings for configuring the `pyright` language server.
See pyright's documentation for a full list of options:
https://github.com/microsoft/pyright/blob/master/docs/settings.md
ALE will automatically try to set defaults for `venvPath` and `pythonPath`
so your project can automatically be checked with the right libraries.
You can override these settings with whatever you want in your ftplugin
file like so: >
let b:ale_python_pyright_config = {
\ 'python': {
\ 'pythonPath': '/bin/python',
\ 'venvPath': '/other/dir',
\ },
\}
<
If `venvPath` is set, but `pythonPath` is not,
ALE will use `venvPath . '/bin/python'` or similar as `pythonPath`.
A commonly used setting for `pyright` is disabling language services
apart from type checking and "hover" (|ale-hover|), you can set this
setting like so, or use whatever other settings you want: >
let b:ale_python_pyright_config = {
\ 'pyright': {
\ 'disableLanguageServices': v:true,
\ },
\}
<
===============================================================================
reorder-python-imports *ale-python-reorder_python_imports*
g:ale_python_reorder_python_imports_executable
*g:ale_python_reorder_python_imports_executable*
*b:ale_python_reorder_python_imports_executable*
Type: |String|
Default: `'reorder-python-imports'`
See |ale-integrations-local-executables|
g:ale_python_reorder_python_imports_options
*g:ale_python_reorder_python_imports_options*
*b:ale_python_reorder_python_imports_options*
Type: |String|
Default: `''`
This variable can be set to pass extra options to reorder-python-imports.
g:ale_python_reorder_python_imports_use_global
*g:ale_python_reorder_python_imports_use_global*
*b:ale_python_reorder_python_imports_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
===============================================================================
vulture *ale-python-vulture*
g:ale_python_vulture_change_directory *g:ale_python_vulture_change_directory*
*b:ale_python_vulture_change_directory*
Type: |Number|
Default: `1`
If set to `1`, ALE will switch to the directory the Python file being
checked with `vulture` is in before checking it and check the whole project
directory instead of checking only the file opened in the current buffer.
This helps `vulture` to know the context and avoid false-negative results.
g:ale_python_vulture_executable *g:ale_python_vulture_executable*
*b:ale_python_vulture_executable*
Type: |String|
Default: `'vulture'`
See |ale-integrations-local-executables|
g:ale_python_vulture_options *g:ale_python_vulture_options*
*b:ale_python_vulture_options*
Type: |String|
Default: `''`
This variable can be changed to add command-line arguments to the vulture
invocation.
g:ale_python_vulture_use_global *g:ale_python_vulture_use_global*
*b:ale_python_vulture_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
===============================================================================
yapf *ale-python-yapf*
g:ale_python_yapf_executable *g:ale_python_yapf_executable*
*b:ale_python_yapf_executable*
Type: |String|
Default: `'yapf'`
See |ale-integrations-local-executables|
g:ale_python_yapf_use_global *g:ale_python_yapf_use_global*
*b:ale_python_yapf_use_global*
Type: |Number|
Default: `get(g:, 'ale_use_global_executables', 0)`
See |ale-integrations-local-executables|
===============================================================================
vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:
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