syntastic/syntax_checkers/python/pep257.vim

"============================================================================
"File:        pep257.vim
"Description: Docstring style checking plugin for syntastic.vim
"============================================================================
"
" For details about pep257 see: https://github.com/GreenSteam/pep257

if exists("g:loaded_syntastic_python_pep257_checker")
    finish
endif
let g:loaded_syntastic_python_pep257_checker = 1

let s:save_cpo = &cpo
set cpo&vim

function! SyntaxCheckers_python_pep257_GetLocList() dict
    let makeprg = self.makeprgBuild({
        \ 'exe_before': (syntastic#util#isRunningWindows() ? '' : 'TERM=dumb') })

    let errorformat =
        \ '%E%f:%l:%c%\%.%\%.%\d%\+:%\d%\+: %m,' .
        \ '%E%f:%l:%c: %m,' .
        \ '%+C    %m'

    let loclist = SyntasticMake({
        \ 'makeprg': makeprg,
        \ 'errorformat': errorformat,
        \ 'subtype': 'Style',
        \ 'preprocess': 'killEmpty',
        \ 'postprocess': ['compressWhitespace'] })

    " pep257 outputs byte offsets rather than column numbers
    for e in loclist
        let e['col'] = get(e, 'col', 0) + 1
    endfor

    return loclist
endfunction

call g:SyntasticRegistry.CreateAndRegisterChecker({
    \ 'filetype': 'python',
    \ 'name': 'pep257'})

let &cpo = s:save_cpo
unlet s:save_cpo

" vim: set et sts=4 sw=4: