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2 " Python filetype plugin for running flake8
3 " Language: Python (ft=python)
4 " Maintainer: Vincent Driessen <vincent@3rdcloud.com>
5 " Version: Vim 7 (may work with lower Vim versions, but not tested)
6 " URL: http://github.com/nvie/vim-flake8
13 function! flake8#Flake8()
17 function! flake8#Flake8UnplaceMarkers()
18 call s:UnplaceMarkers()
27 function! s:DeclareOption(name, globalPrefix, default) " {{{
28 if !exists('g:'.a:name)
30 execute 'let s:'.a:name.'='.a:default
32 execute 'let s:'.a:name.'=""'
35 execute 'let l:global="g:".a:name'
37 execute 'let s:'.a:name.'="'.a:globalPrefix.'".g:'.a:name
39 execute 'let s:'.a:name.'=""'
44 function! s:Setup() " {{{
48 call s:DeclareOption('flake8_cmd', '', '"flake8"')
50 call s:DeclareOption('flake8_builtins', ' --builtins=', '')
51 call s:DeclareOption('flake8_ignore', ' --ignore=', '')
52 call s:DeclareOption('flake8_max_line_length', ' --max-line-length=', '')
53 call s:DeclareOption('flake8_max_complexity', ' --max-complexity=', '')
55 call s:DeclareOption('flake8_quickfix_location', '', '"belowright"')
56 call s:DeclareOption('flake8_quickfix_height', '', 5)
57 call s:DeclareOption('flake8_show_quickfix', '', 1)
59 call s:DeclareOption('flake8_show_in_gutter', '', 0)
60 call s:DeclareOption('flake8_show_in_file', '', 0)
61 call s:DeclareOption('flake8_max_markers', '', 500)
63 call s:DeclareOption('flake8_error_marker', '', '"E>"')
64 call s:DeclareOption('flake8_warning_marker', '', '"W>"')
65 call s:DeclareOption('flake8_pyflake_marker', '', '"F>"')
66 call s:DeclareOption('flake8_complexity_marker', '', '"C>"')
67 call s:DeclareOption('flake8_naming_marker', '', '"N>"')
71 if !exists('s:markerdata')
73 let s:markerdata['E'] = { 'name': 'Flake8_Error' }
74 let s:markerdata['W'] = { 'name': 'Flake8_Warning' }
75 let s:markerdata['F'] = { 'name': 'Flake8_PyFlake' }
76 let s:markerdata['C'] = { 'name': 'Flake8_Complexity' }
77 let s:markerdata['N'] = { 'name': 'Flake8_Nameing' }
79 let s:markerdata['E'].marker = s:flake8_error_marker
80 let s:markerdata['W'].marker = s:flake8_warning_marker
81 let s:markerdata['F'].marker = s:flake8_pyflake_marker
82 let s:markerdata['C'].marker = s:flake8_complexity_marker
83 let s:markerdata['N'].marker = s:flake8_naming_marker
88 function! s:Flake8() " {{{
92 if !executable(s:flake8_cmd)
93 echoerr "File " . s:flake8_cmd . " not found. Please install it first."
98 call s:UnplaceMarkers()
102 " store old grep settings (to restore later)
103 let l:old_gfm=&grepformat
104 let l:old_gp=&grepprg
105 let l:old_shellpipe=&shellpipe
107 " write any changes before continuing
112 set lazyredraw " delay redrawing
113 cclose " close any existing cwindows
115 " set shellpipe to > instead of tee (suppressing output)
118 " perform the grep itself
119 let &grepformat="%f:%l:%c: %m\,%f:%l: %m"
120 let &grepprg=s:flake8_cmd.s:flake8_builtins.s:flake8_ignore.s:flake8_max_line_length.s:flake8_max_complexity
123 " restore grep settings
124 let &grepformat=l:old_gfm
125 let &grepprg=l:old_gp
126 let &shellpipe=l:old_shellpipe
129 let l:results=getqflist()
130 let l:has_results=results != []
133 if !s:flake8_show_in_gutter == 0 || !s:flake8_show_in_file == 0
134 call s:PlaceMarkers(l:results)
137 if !s:flake8_show_quickfix == 0
139 execute s:flake8_quickfix_location." copen".s:flake8_quickfix_height
141 nnoremap <buffer> <silent> c :cclose<CR>
142 nnoremap <buffer> <silent> q :cclose<CR>
150 if l:has_results == 0
151 echon "Flake8 check OK"
153 echon "Flake8 found issues"
159 function! s:PlaceMarkers(results) " {{{
161 if !s:flake8_show_in_gutter == 0
163 for val in values(s:markerdata)
165 execute "sign define ".val.name." text=".val.marker." texthl=".val.name
172 let l:index = l:index0
173 for result in a:results
174 if l:index >= (s:flake8_max_markers+l:index0)
177 let l:type = strpart(result.text, 0, 1)
178 if has_key(s:markerdata, l:type) && s:markerdata[l:type].marker != ''
180 if !s:flake8_show_in_file == 0
181 if !has_key(s:markerdata[l:type], 'matchstr')
182 let s:markerdata[l:type].matchstr = '\%('
184 let s:markerdata[l:type].matchstr .= '\|'
186 let s:markerdata[l:type].matchstr .= '\%'.result.lnum.'l\%'.result.col.'c'
189 if !s:flake8_show_in_gutter == 0
190 execute ":sign place ".index." name=".s:markerdata[l:type].name
191 \ . " line=".result.lnum." file=".expand("%:p")
192 let s:signids += [l:index]
199 if !s:flake8_show_in_file == 0
200 for l:val in values(s:markerdata)
201 if l:val.marker != '' && has_key(l:val, 'matchstr')
202 let l:val.matchid = matchadd(l:val.name, l:val.matchstr.'\)')
208 function! s:UnplaceMarkers() " {{{
210 if exists('s:signids')
212 execute ":sign unplace ".i
217 for l:val in values(s:markerdata)
218 if has_key(l:val, 'matchid')
219 call matchdelete(l:val.matchid)
228 let &cpo = s:save_cpo