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" Author: Yauheni Kirylau <actionless.loveless@gmail.com>
" Description: vulture linting for python files
call ale#Set('python_vulture_executable', 'vulture')
call ale#Set('python_vulture_options', '')
call ale#Set('python_vulture_use_global', get(g:, 'ale_use_global_executables', 0))
call ale#Set('python_vulture_change_directory', 1)
" The directory to change to before running vulture
function! s:GetDir(buffer) abort
let l:project_root = ale#python#FindProjectRoot(a:buffer)
return !empty(l:project_root)
\ ? l:project_root
\ : expand('#' . a:buffer . ':p:h')
endfunction
function! ale_linters#python#vulture#GetExecutable(buffer) abort
return ale#python#FindExecutable(a:buffer, 'python_vulture', ['vulture'])
endfunction
function! ale_linters#python#vulture#GetCwd(buffer) abort
if !ale#Var(a:buffer, 'python_vulture_change_directory')
return ''
endif
return s:GetDir(a:buffer)
endfunction
function! ale_linters#python#vulture#GetCommand(buffer) abort
let l:executable = ale_linters#python#vulture#GetExecutable(a:buffer)
let l:exec_args = l:executable =~? 'pipenv\|poetry$'
\ ? ' run vulture'
\ : ''
let l:lint_dest = ale#Var(a:buffer, 'python_vulture_change_directory')
\ ? ' .'
\ : ' %s'
return ale#Escape(l:executable) . l:exec_args
\ . ' '
\ . ale#Var(a:buffer, 'python_vulture_options')
\ . l:lint_dest
endfunction
function! ale_linters#python#vulture#Handle(buffer, lines) abort
let l:output = ale#python#HandleTraceback(a:lines, 10)
if !empty(l:output)
return l:output
endif
" Matches patterns line the following:
let l:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+): (.*)$'
let l:dir = s:GetDir(a:buffer)
for l:match in ale#util#GetMatches(a:lines, l:pattern)
let l:abspath = ale#path#GetAbsPath(l:dir, l:match[1])
let l:item = {
\ 'filename': l:abspath,
\ 'lnum': l:match[2] + 0,
\ 'text': l:match[3],
\ 'type': 'W',
\}
call add(l:output, l:item)
endfor
return l:output
endfunction
call ale#linter#Define('python', {
\ 'name': 'vulture',
\ 'executable': function('ale_linters#python#vulture#GetExecutable'),
\ 'cwd': function('ale_linters#python#vulture#GetCwd'),
\ 'command': function('ale_linters#python#vulture#GetCommand'),
\ 'callback': 'ale_linters#python#vulture#Handle',
\ 'lint_file': 1,
\})
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