Add ansible-lint support and factor out PEP8 handler

ale_linters/python/flake8.vim

@@ -7,49 +7,9 @@ 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' || l:code ==# 'W293') && !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',
+\   'callback': 'ale#handlers#HandlePEP8Format',
 \})