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+"============================================================================
+"File: pyflakes.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Authors: Martin Grenfell <martin.grenfell@gmail.com>
+" kstep <me@kstep.me>
+" Parantapa Bhattacharya <parantapa@gmail.com>
+"
+"============================================================================
+
+if exists('g:loaded_syntastic_python_pyflakes_checker')
+ finish
+endif
+let g:loaded_syntastic_python_pyflakes_checker = 1
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_python_pyflakes_GetHighlightRegex(i)
+ if stridx(a:i['text'], 'is assigned to but never used') >= 0
+ \ || stridx(a:i['text'], 'imported but unused') >= 0
+ \ || stridx(a:i['text'], 'undefined name') >= 0
+ \ || stridx(a:i['text'], 'redefinition of') >= 0
+ \ || stridx(a:i['text'], 'referenced before assignment') >= 0
+ \ || stridx(a:i['text'], 'duplicate argument') >= 0
+ \ || stridx(a:i['text'], 'after other statements') >= 0
+ \ || stridx(a:i['text'], 'shadowed by loop variable') >= 0
+
+ " fun with Python's %r: try "..." first, then '...'
+ let term = matchstr(a:i['text'], '\m^.\{-}"\zs.\{-1,}\ze"')
+ if term !=# ''
+ return '\V\<' . escape(term, '\') . '\>'
+ endif
+
+ let term = matchstr(a:i['text'], '\m^.\{-}''\zs.\{-1,}\ze''')
+ if term !=# ''
+ return '\V\<' . escape(term, '\') . '\>'
+ endif
+ endif
+ return ''
+endfunction
+
+function! SyntaxCheckers_python_pyflakes_GetLocList() dict
+ let makeprg = self.makeprgBuild({})
+
+ let errorformat =
+ \ '%E%f:%l: could not compile,'.
+ \ '%-Z%p^,'.
+ \ '%E%f:%l:%c: %m,'.
+ \ '%E%f:%l: %m,'.
+ \ '%-G%.%#'
+
+ let env = syntastic#util#isRunningWindows() ? {} : { 'TERM': 'dumb' }
+
+ let loclist = SyntasticMake({
+ \ 'makeprg': makeprg,
+ \ 'errorformat': errorformat,
+ \ 'env': env,
+ \ 'defaults': {'text': 'Syntax error'} })
+
+ for e in loclist
+ let e['vcol'] = 0
+ endfor
+
+ return loclist
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+ \ 'filetype': 'python',
+ \ 'name': 'pyflakes'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set sw=4 sts=4 et fdm=marker: