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" Author: keith <k@keith.so>
" Description: pylint for python files
call ale#Set('python_pylint_executable', 'pylint')
call ale#Set('python_pylint_options', '')
call ale#Set('python_pylint_use_global', get(g:, 'ale_use_global_executables', 0))
call ale#Set('python_pylint_change_directory', 1)
call ale#Set('python_pylint_auto_pipenv', 0)
call ale#Set('python_pylint_use_msg_id', 0)
function! ale_linters#python#pylint#GetExecutable(buffer) abort
if (ale#Var(a:buffer, 'python_auto_pipenv') || ale#Var(a:buffer, 'python_pylint_auto_pipenv'))
\ && ale#python#PipenvPresent(a:buffer)
return 'pipenv'
endif
return ale#python#FindExecutable(a:buffer, 'python_pylint', ['pylint'])
endfunction
function! ale_linters#python#pylint#GetCommand(buffer) abort
let l:cd_string = ''
if ale#Var(a:buffer, 'python_pylint_change_directory')
" pylint only checks for pylintrc in the packages above its current
" directory before falling back to user and global pylintrc.
" Run from project root, if found, otherwise buffer dir.
let l:project_root = ale#python#FindProjectRoot(a:buffer)
let l:cd_string = l:project_root isnot# ''
\ ? ale#path#CdString(l:project_root)
\ : ale#path#BufferCdString(a:buffer)
endif
let l:executable = ale_linters#python#pylint#GetExecutable(a:buffer)
let l:exec_args = l:executable =~? 'pipenv$'
\ ? ' run pylint'
\ : ''
return l:cd_string
\ . ale#Escape(l:executable) . l:exec_args
\ . ' ' . ale#Var(a:buffer, 'python_pylint_options')
\ . ' --output-format text --msg-template="{path}:{line}:{column}: {msg_id} ({symbol}) {msg}" --reports n'
\ . ' %s'
endfunction
function! ale_linters#python#pylint#Handle(buffer, lines) abort
" Matches patterns like the following:
"
" test.py:4:4: W0101 (unreachable) Unreachable code
let l:pattern = '\v^[a-zA-Z]?:?[^:]+:(\d+):(\d+): ([[:alnum:]]+) \(([^(]*)\) (.*)$'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
"let l:failed = append(0, l:match)
let l:code = l:match[3]
if (l:code is# 'C0303')
\ && !ale#Var(a:buffer, 'warn_about_trailing_whitespace')
" Skip warnings for trailing whitespace if the option is off.
continue
endif
if l:code is# 'I0011'
" Skip 'Locally disabling' message
continue
endif
if ale#Var(a:buffer, 'python_pylint_use_msg_id') is# 1
let l:code_out = l:code
else
let l:code_out = l:match[4]
endif
call add(l:output, {
\ 'lnum': l:match[1] + 0,
\ 'col': l:match[2] + 1,
\ 'text': l:match[5],
\ 'code': l:code_out,
\ 'type': l:code[:0] is# 'E' ? 'E' : 'W',
\})
endfor
return l:output
endfunction
call ale#linter#Define('python', {
\ 'name': 'pylint',
\ 'executable': function('ale_linters#python#pylint#GetExecutable'),
\ 'command': function('ale_linters#python#pylint#GetCommand'),
\ 'callback': 'ale_linters#python#pylint#Handle',
\ 'lint_file': 1,
\})
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