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ultimate-vim/sources_non_forked/vim-flake8/autoload/flake8.vim
2015-12-08 10:20:04 -03:00

250 lines
7 KiB
VimL

"
" Python filetype plugin for running flake8
" Language: Python (ft=python)
" Maintainer: Vincent Driessen <vincent@3rdcloud.com>
" Version: Vim 7 (may work with lower Vim versions, but not tested)
" URL: http://github.com/nvie/vim-flake8
let s:save_cpo = &cpo
set cpo&vim
"" ** external ** {{{
function! flake8#Flake8()
call s:Flake8()
call s:Warnings()
endfunction
function! flake8#Flake8UnplaceMarkers()
call s:UnplaceMarkers()
call s:Warnings()
endfunction
"" }}}
"" ** internal ** {{{
"" warnings
let s:displayed_warnings = 0
function s:Warnings()
if !s:displayed_warnings
let l:show_website_url = 0
let l:msg = "has been deprecated in favour of flake8 config files"
for setting_name in ['g:flake8_ignore', 'g:flake8_builtins', 'g:flake8_max_line_length', 'g:flake8_max_complexity']
if exists(setting_name)
echohl WarningMsg | echom setting_name l:msg | echohl None
let l:show_website_url = 1
endif
endfor
if l:show_website_url
let l:url = "http://flake8.readthedocs.org/en/latest/config.html"
echohl WarningMsg | echom l:url | echohl None
endif
let s:displayed_warnings = 1
endif
endfunction
"" config
function! s:DeclareOption(name, globalPrefix, default) " {{{
if !exists('g:'.a:name)
if a:default != ''
execute 'let s:'.a:name.'='.a:default
else
execute 'let s:'.a:name.'=""'
endif
else
execute 'let l:global="g:".a:name'
if l:global != ''
execute 'let s:'.a:name.'="'.a:globalPrefix.'".g:'.a:name
else
execute 'let s:'.a:name.'=""'
endif
endif
endfunction " }}}
function! s:Setup() " {{{
"" read options
" flake8 command
call s:DeclareOption('flake8_cmd', '', '"flake8"')
" quickfix
call s:DeclareOption('flake8_quickfix_location', '', '"belowright"')
call s:DeclareOption('flake8_quickfix_height', '', 5)
call s:DeclareOption('flake8_show_quickfix', '', 1)
" markers to show
call s:DeclareOption('flake8_show_in_gutter', '', 0)
call s:DeclareOption('flake8_show_in_file', '', 0)
call s:DeclareOption('flake8_max_markers', '', 500)
" marker signs
call s:DeclareOption('flake8_error_marker', '', '"E>"')
call s:DeclareOption('flake8_warning_marker', '', '"W>"')
call s:DeclareOption('flake8_pyflake_marker', '', '"F>"')
call s:DeclareOption('flake8_complexity_marker', '', '"C>"')
call s:DeclareOption('flake8_naming_marker', '', '"N>"')
"" setup markerdata
if !exists('s:markerdata')
let s:markerdata = {}
let s:markerdata['E'] = {'name': 'Flake8_Error'}
let s:markerdata['W'] = {'name': 'Flake8_Warning'}
let s:markerdata['F'] = {'name': 'Flake8_PyFlake'}
let s:markerdata['C'] = {'name': 'Flake8_Complexity'}
let s:markerdata['N'] = {'name': 'Flake8_Nameing'}
endif
let s:markerdata['E'].marker = s:flake8_error_marker
let s:markerdata['W'].marker = s:flake8_warning_marker
let s:markerdata['F'].marker = s:flake8_pyflake_marker
let s:markerdata['C'].marker = s:flake8_complexity_marker
let s:markerdata['N'].marker = s:flake8_naming_marker
endfunction " }}}
"" do flake8
function! s:Flake8() " {{{
" read config
call s:Setup()
if !executable(s:flake8_cmd)
echoerr "File " . s:flake8_cmd . " not found. Please install it first."
return
endif
" clear old
call s:UnplaceMarkers()
let s:matchids = []
let s:signids = []
" store old grep settings (to restore later)
let l:old_gfm=&grepformat
let l:old_gp=&grepprg
let l:old_shellpipe=&shellpipe
" write any changes before continuing
if &readonly == 0
update
endif
set lazyredraw " delay redrawing
cclose " close any existing cwindows
" set shellpipe to > instead of tee (suppressing output)
set shellpipe=>
" perform the grep itself
let &grepformat="%f:%l:%c: %m\,%f:%l: %m"
let &grepprg=s:flake8_cmd
silent! grep! "%"
" restore grep settings
let &grepformat=l:old_gfm
let &grepprg=l:old_gp
let &shellpipe=l:old_shellpipe
" process results
let l:results=getqflist()
let l:has_results=results != []
if l:has_results
" markers
if !s:flake8_show_in_gutter == 0 || !s:flake8_show_in_file == 0
call s:PlaceMarkers(l:results)
endif
" quickfix
if !s:flake8_show_quickfix == 0
" open cwindow
execute s:flake8_quickfix_location." copen".s:flake8_quickfix_height
setlocal wrap
nnoremap <buffer> <silent> c :cclose<CR>
nnoremap <buffer> <silent> q :cclose<CR>
endif
endif
set nolazyredraw
redraw!
" Show status
if l:has_results == 0
echon "Flake8 check OK"
else
echon "Flake8 found issues"
endif
endfunction " }}}
"" markers
function! s:PlaceMarkers(results) " {{{
" in gutter?
if !s:flake8_show_in_gutter == 0
" define signs
for val in values(s:markerdata)
if val.marker != ''
execute "sign define ".val.name." text=".val.marker." texthl=".val.name
endif
endfor
endif
" place
let l:index0 = 100
let l:index = l:index0
for result in a:results
if l:index >= (s:flake8_max_markers+l:index0)
break
endif
let l:type = strpart(result.text, 0, 1)
if has_key(s:markerdata, l:type) && s:markerdata[l:type].marker != ''
" file markers
if !s:flake8_show_in_file == 0
if !has_key(s:markerdata[l:type], 'matchstr')
let s:markerdata[l:type].matchstr = '\%('
else
let s:markerdata[l:type].matchstr .= '\|'
endif
let s:markerdata[l:type].matchstr .= '\%'.result.lnum.'l\%'.result.col.'c'
endif
" gutter markers
if !s:flake8_show_in_gutter == 0
execute ":sign place ".index." name=".s:markerdata[l:type].name
\ . " line=".result.lnum." file=".expand("%:p")
let s:signids += [l:index]
endif
let l:index += 1
endif
endfor
" in file?
if !s:flake8_show_in_file == 0
for l:val in values(s:markerdata)
if l:val.marker != '' && has_key(l:val, 'matchstr')
let l:val.matchid = matchadd(l:val.name, l:val.matchstr.'\)')
endif
endfor
endif
endfunction " }}}
function! s:UnplaceMarkers() " {{{
" gutter markers
if exists('s:signids')
for i in s:signids
execute ":sign unplace ".i
endfor
unlet s:signids
endif
" file markers
for l:val in values(s:markerdata)
if has_key(l:val, 'matchid')
call matchdelete(l:val.matchid)
unlet l:val.matchid
unlet l:val.matchstr
endif
endfor
endfunction " }}}
"" }}}
let &cpo = s:save_cpo
unlet s:save_cpo