From 0a9f9c0811e563a5f23133796026c532acc22fd6 Mon Sep 17 00:00:00 2001
From: SABATIER Boris <boris.sabatier@stormshield.eu>
Date: Tue, 3 Jan 2017 11:52:58 +0100
Subject: [PATCH 1/2] Add executable and arguments options for pylint linter

---
 ale_linters/python/pylint.vim | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/ale_linters/python/pylint.vim b/ale_linters/python/pylint.vim
index 9e6093c7..95e5f0ef 100644
--- a/ale_linters/python/pylint.vim
+++ b/ale_linters/python/pylint.vim
@@ -1,9 +1,26 @@
 " Author: keith <k@keith.so>
 " Description: pylint for python files
 
+let g:ale_python_pylint_executable =
+\   get(g:, 'ale_python_pylint_executable', 'pylint')
+
+let g:ale_python_pylint_args =
+\   get(g:, 'ale_python_pylint_args', '')
+
+function! ale_linters#python#pylint#GetExecutable(buffer) abort
+    return g:ale_python_pylint_executable
+endfunction
+
+function! ale_linters#python#pylint#GetCommand(buffer) abort
+    return g:ale#util#stdin_wrapper . ' .py '
+    \   . ale_linters#python#pylint#GetExecutable(a:buffer)
+    \   . ' ' . g:ale_python_pylint_args
+    \   . ' --output-format text --msg-template="{path}:{line}:{column}: {msg_id} {msg}" --reports n'
+endfunction
+
 call ale#linter#Define('python', {
 \   'name': 'pylint',
-\   'executable': 'pylint',
-\   'command': g:ale#util#stdin_wrapper . ' .py pylint --output-format text --msg-template="{path}:{line}:{column}: {msg_id} {msg}" --reports n',
+\   'executable_callback': 'ale_linters#python#pylint#GetExecutable',
+\   'command_callback': 'ale_linters#python#pylint#GetCommand',
 \   'callback': 'ale#handlers#HandlePEP8Format',
 \})

From dc8166384c023b5de963cb21730b756f80286c90 Mon Sep 17 00:00:00 2001
From: SABATIER Boris <boris.sabatier@stormshield.eu>
Date: Fri, 13 Jan 2017 11:04:29 +0100
Subject: [PATCH 2/2] Add doc for pylint options

---
 doc/ale.txt | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/doc/ale.txt b/doc/ale.txt
index f0c5b162..75aef5d3 100644
--- a/doc/ale.txt
+++ b/doc/ale.txt
@@ -32,6 +32,7 @@ CONTENTS                                                         *ale-contents*
     4.20. lacheck...............................|ale-linter-options-lacheck|
     4.21. stylelint.............................|ale-linter-options-stylelint|
     4.22. rustc.................................|ale-linter-options-rustc|
+    4.23. python-pylint.........................|ale-linter-options-python-pylint|
   5. Linter Integration Notes...................|ale-linter-integration|
     5.1.  merlin................................|ale-linter-integration-ocaml-merlin|
     5.2. rust...................................|ale-integration-rust|
@@ -790,6 +791,34 @@ g:ale_rust_ignore_error_codes                  *g:ale_rust_ignore_error_codes*
   >
   let g:ale_rust_ignore_error_codes = ['E0432', 'E0433']
 
+-------------------------------------------------------------------------------
+4.23. python-pylint                          *ale-linter-options-python-pylint*
+
+g:ale_python_pylint_executable                 *g:ale_python_pylint_executable*
+
+  Type: |String|
+  Default: `'pylint'`
+
+  This variable can be changed to modify the executable used for pylint.
+
+
+g:ale_python_pylint_args                             *g:ale_python_pylint_args*
+
+  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_args = '-rcfile /path/to/pylint.rc'
+
+after making sure it's installed for the appropriate Python versions (e.g.
+`python3 -m pip install --user pylint`).
+
 ===============================================================================
 5. Linter Integration Notes                            *ale-linter-integration*