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Add explicit instructions about configuring flake8
[etc/vim.git] / autoload / flake8.vim
diff --git a/autoload/flake8.vim b/autoload/flake8.vim
index 7ef2373decd31d8f102e5fc08f718fab0cd71ce8..06a1b6b4873a78bd3a70540376593359a53730c7 100644 (file)
--- a/autoload/flake8.vim
+++ b/autoload/flake8.vim
@@ -12,101 +12,113 @@ set cpo&vim
 
 function! flake8#Flake8()
     call s:Flake8()
 
 function! flake8#Flake8()
     call s:Flake8()
+    call s:Warnings()
 endfunction
 
 function! flake8#Flake8UnplaceMarkers()
     call s:UnplaceMarkers()
 endfunction
 
 function! flake8#Flake8UnplaceMarkers()
     call s:UnplaceMarkers()
+    call s:Warnings()
 endfunction
 
 "" }}}
 
 "" ** internal ** {{{
 
 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)
 "" config
 
 function! s:DeclareOption(name, globalPrefix, default)  " {{{
     if !exists('g:'.a:name)
-        execute 'let s:'.a:name.'='.a:default
+        if a:default != ''
+            execute 'let s:'.a:name.'='.a:default
+        else
+            execute 'let s:'.a:name.'=""'
+        endif
     else
     else
-        execute 'let s:'.a:name.'="'.a:globalPrefix.'".g:'.a:name
+        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  " }}}
 
     endif
 endfunction  " }}}
 
-function! s:SetupConfig()  " {{{
+function! s:Setup()  " {{{
     "" read options
 
     " flake8 command
     call s:DeclareOption('flake8_cmd', '', '"flake8"')
     "" read options
 
     " flake8 command
     call s:DeclareOption('flake8_cmd', '', '"flake8"')
-    " flake8 stuff
-    call s:DeclareOption('flake8_builtins',        ' --builtins=',        '')
-    call s:DeclareOption('flake8_ignore',          ' --ignore=',          '')
-    call s:DeclareOption('flake8_max_line_length', ' --max-line-length=', '')
-    call s:DeclareOption('flake8_max_complexity',  ' --max-complexity=',  '')
     " quickfix
     call s:DeclareOption('flake8_quickfix_location', '', '"belowright"')
     " quickfix
     call s:DeclareOption('flake8_quickfix_location', '', '"belowright"')
-    call s:DeclareOption('flake8_show_quickfix',     '', 1)
+    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)
     " 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)
+    call s:DeclareOption('flake8_show_in_file', '',   0)
+    call s:DeclareOption('flake8_max_markers', '', 500)
     " marker signs
     " 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_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_complexity_marker', '', '"C>"')
-    call s:DeclareOption('flake8_naming_marker',     '', '"N>"')
+    call s:DeclareOption('flake8_naming_marker', '', '"N>"')
 
     "" setup markerdata
 
 
     "" setup markerdata
 
-    let s:markerdata = {}
-    if s:flake8_error_marker != ''
-    let s:markerdata['E'] = {
-                    \   'color':  'Flake8_Error',
-                    \   'marker': s:flake8_error_marker,
-                    \   'sign':   'Flake8_E',
-                    \ }
-    endif
-    if s:flake8_warning_marker != ''
-        let s:markerdata['W'] = {
-                    \   'color':  'Flake8_Warning',
-                    \   'marker': s:flake8_warning_marker,
-                    \   'sign':   'Flake8_W',
-                    \ }
-    endif
-    if s:flake8_pyflake_marker != ''
-        let s:markerdata['F'] = {
-                    \   'color':  'Flake8_PyFlake',
-                    \   'marker': s:flake8_pyflake_marker,
-                    \   'sign':   'Flake8_F',
-                    \ }
-    endif
-    if s:flake8_complexity_marker != ''
-        let s:markerdata['C'] = {
-                    \   'color':  'Flake8_Complexity',
-                    \   'marker': s:flake8_complexity_marker,
-                    \   'sign':   'Flake8_C',
-                    \ }
-    endif
-    if s:flake8_naming_marker != ''
-        let s:markerdata['N'] = {
-                    \   'color':  'Flake8_Nameing',
-                    \   'marker': s:flake8_naming_marker,
-                    \   'sign':   'Flake8_N',
-                    \ }
+    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
     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
 endfunction  " }}}
 
 "" do flake8
 
 function! s:Flake8()  " {{{
     " read config
-    call s:SetupConfig()
+    call s:Setup()
 
     if !executable(s:flake8_cmd)
         echoerr "File " . s:flake8_cmd . " not found. Please install it first."
         return
     endif
 
 
     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
     " store old grep settings (to restore later)
     let l:old_gfm=&grepformat
     let l:old_gp=&grepprg
@@ -125,11 +137,9 @@ function! s:Flake8()  " {{{
 
     " perform the grep itself
     let &grepformat="%f:%l:%c: %m\,%f:%l: %m"
 
     " perform the grep itself
     let &grepformat="%f:%l:%c: %m\,%f:%l: %m"
-    let &grepprg=s:flake8_cmd.s:flake8_builtins.s:flake8_ignore.s:flake8_max_line_length.s:flake8_max_complexity
+    let &grepprg=s:flake8_cmd
     silent! grep! "%"
 
     silent! grep! "%"
 
-    echo s:flake8_cmd.s:flake8_builtins.s:flake8_ignore.s:flake8_max_line_length.s:flake8_max_complexity
-
     " restore grep settings
     let &grepformat=l:old_gfm
     let &grepprg=l:old_gp
     " restore grep settings
     let &grepformat=l:old_gfm
     let &grepprg=l:old_gp
@@ -146,7 +156,7 @@ function! s:Flake8()  " {{{
         " quickfix
         if !s:flake8_show_quickfix == 0
             " open cwindow
         " quickfix
         if !s:flake8_show_quickfix == 0
             " open cwindow
-            execute s:flake8_quickfix_location." copen"
+            execute s:flake8_quickfix_location." copen".s:flake8_quickfix_height
             setlocal wrap
             nnoremap <buffer> <silent> c :cclose<CR>
             nnoremap <buffer> <silent> q :cclose<CR>
             setlocal wrap
             nnoremap <buffer> <silent> c :cclose<CR>
             nnoremap <buffer> <silent> q :cclose<CR>
@@ -171,15 +181,12 @@ function! s:PlaceMarkers(results)  " {{{
     if !s:flake8_show_in_gutter == 0
         " define signs
         for val in values(s:markerdata)
     if !s:flake8_show_in_gutter == 0
         " define signs
         for val in values(s:markerdata)
-            execute "sign define ".val['sign']." text=".val['marker']." texthl=".val['color']
+            if val.marker != ''
+                execute "sign define ".val.name." text=".val.marker." texthl=".val.name
+            endif
         endfor
     endif
 
         endfor
     endif
 
-    " clear old
-    call s:UnplaceMarkers()
-    let s:matchids = []
-    let s:signids  = []
-
     " place
     let l:index0 = 100
     let l:index  = l:index0
     " place
     let l:index0 = 100
     let l:index  = l:index0
@@ -188,22 +195,34 @@ function! s:PlaceMarkers(results)  " {{{
             break
         endif
         let l:type = strpart(result.text, 0, 1)
             break
         endif
         let l:type = strpart(result.text, 0, 1)
-        if has_key(s:markerdata, l:type)
+        if has_key(s:markerdata, l:type) && s:markerdata[l:type].marker != ''
             " file markers
             if !s:flake8_show_in_file == 0
             " file markers
             if !s:flake8_show_in_file == 0
-                let s:matchids += [matchadd(s:markerdata[l:type]['color'],
-                            \ "\\%".result.lnum."l\\%".result.col."c")]
+                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
             endif
             " gutter markers
             if !s:flake8_show_in_gutter == 0
-                execute ":sign place ".index." name=".s:markerdata[l:type]['sign']
+                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
                             \ . " line=".result.lnum." file=".expand("%:p")
                 let s:signids += [l:index]
             endif
             let l:index += 1
         endif
     endfor
-    redraw
+
+    " 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()  " {{{
 endfunction  " }}}
 
 function! s:UnplaceMarkers()  " {{{
@@ -215,12 +234,13 @@ function! s:UnplaceMarkers()  " {{{
         unlet s:signids
     endif
     " file markers
         unlet s:signids
     endif
     " file markers
-    if exists('s:matchids')
-        for i in s:matchids
-            call matchdelete(i)
-        endfor
-        unlet s:matchids
-    endif
+    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  " }}}
 
 "" }}}
 endfunction  " }}}
 
 "" }}}
vim configuration

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