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" Author: Martino Pilia <martino.pilia@gmail.com>
" Description: bandit linting for python files
call ale#Set('python_bandit_executable', 'bandit')
call ale#Set('python_bandit_options', '')
call ale#Set('python_bandit_use_config', 1)
call ale#Set('python_bandit_use_global', get(g:, 'ale_use_global_executables', 0))
call ale#Set('python_bandit_auto_pipenv', 0)
function! ale_linters#python#bandit#GetExecutable(buffer) abort
if (
\ ale#Var(a:buffer, 'python_auto_pipenv')
\ || ale#Var(a:buffer, 'python_bandit_auto_pipenv')
\) && ale#python#PipenvPresent(a:buffer)
return 'pipenv'
endif
return ale#python#FindExecutable(a:buffer, 'python_bandit', ['bandit'])
endfunction
function! ale_linters#python#bandit#GetCommand(buffer) abort
let l:executable = ale_linters#python#bandit#GetExecutable(a:buffer)
let l:flags = ' --format custom'
\ . ' --msg-template "{line}:{test_id}:{severity}:{msg}" '
if ale#Var(a:buffer, 'python_bandit_use_config')
let l:config_path = ale#path#FindNearestFile(a:buffer, '.bandit')
if !empty(l:config_path)
let l:flags = ' --ini ' . ale#Escape(l:config_path) . l:flags
endif
endif
let l:exec_args = l:executable =~? 'pipenv$'
\ ? ' run bandit'
\ : ''
return ale#Escape(l:executable) . l:exec_args
\ . l:flags
\ . ale#Pad(ale#Var(a:buffer, 'python_bandit_options'))
\ . ' -'
endfunction
function! ale_linters#python#bandit#Handle(buffer, lines) abort
" Custom format defined in GetCommand via --msg-template
let l:pattern = '\v^([0-9]+):(B[0-9]+):([A-Z]+):(.*)$'
let l:severity = {'LOW': 'I', 'MEDIUM': 'W', 'HIGH': 'E'}
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
call add(l:output, {
\ 'bufnr': a:buffer,
\ 'lnum': str2nr(l:match[1]),
\ 'code': l:match[2],
\ 'type': l:severity[l:match[3]],
\ 'text': l:match[4],
\})
endfor
return l:output
endfunction
call ale#linter#Define('python', {
\ 'name': 'bandit',
\ 'executable': function('ale_linters#python#bandit#GetExecutable'),
\ 'command': function('ale_linters#python#bandit#GetCommand'),
\ 'callback': 'ale_linters#python#bandit#Handle',
\})
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