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" Author: w0rp <devw0rp@gmail.com>
" Description: flake8 for python files
if exists('g:loaded_ale_linters_python_flake8')
finish
endif
let g:loaded_ale_linters_python_flake8 = 1
function! ale_linters#python#flake8#Handle(buffer, lines)
" Matches patterns line the following:
"
" stdin:6:6: E111 indentation is not a multiple of four
let l:pattern = '^stdin:\(\d\+\):\(\d\+\): \([^ ]\+\) \(.\+\)$'
let l:output = []
for l:line in a:lines
let l:match = matchlist(l:line, l:pattern)
if len(l:match) == 0
continue
endif
let l:line = l:match[1] + 0
let l:column = l:match[2] + 0
let l:code = l:match[3]
let l:text = l:code . ': ' . l:match[4]
let l:type = l:code[0] ==# 'E' ? 'E' : 'W'
if l:code ==# 'W291' && !g:ale_warn_about_trailing_whitespace
" Skip warnings for trailing whitespace if the option is off.
continue
endif
" vcol is Needed to indicate that the column is a character.
call add(l:output, {
\ 'bufnr': a:buffer,
\ 'lnum': l:line,
\ 'vcol': 0,
\ 'col': l:column,
\ 'text': l:text,
\ 'type': l:type,
\ 'nr': -1,
\})
endfor
return l:output
endfunction
call ale#linter#Define('python', {
\ 'name': 'flake8',
\ 'executable': 'flake8',
\ 'command': 'flake8 -',
\ 'callback': 'ale_linters#python#flake8#Handle',
\})
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