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" Author: w0rp <devw0rp@gmail.com>
" Description: flakehell for python files
call ale#Set('python_flakehell_executable', 'flakehell')
call ale#Set('python_flakehell_options', '')
call ale#Set('python_flakehell_use_global', get(g:, 'ale_use_global_executables', 0))
call ale#Set('python_flakehell_change_directory', 'project')
call ale#Set('python_flakehell_auto_pipenv', 0)
call ale#Set('python_flakehell_auto_poetry', 0)
function! s:UsingModule(buffer) abort
return ale#Var(a:buffer, 'python_flakehell_executable') is? 'python'
endfunction
function! ale_linters#python#flakehell#GetExecutable(buffer) abort
if (ale#Var(a:buffer, 'python_auto_pipenv') || ale#Var(a:buffer, 'python_flakehell_auto_pipenv'))
\ && ale#python#PipenvPresent(a:buffer)
return 'pipenv'
endif
if (ale#Var(a:buffer, 'python_auto_poetry') || ale#Var(a:buffer, 'python_flakehell_auto_poetry'))
\ && ale#python#PoetryPresent(a:buffer)
return 'poetry'
endif
if !s:UsingModule(a:buffer)
return ale#python#FindExecutable(a:buffer, 'python_flakehell', ['flakehell'])
endif
return ale#Var(a:buffer, 'python_flakehell_executable')
endfunction
function! ale_linters#python#flakehell#RunWithVersionCheck(buffer) abort
let l:executable = ale_linters#python#flakehell#GetExecutable(a:buffer)
let l:module_string = s:UsingModule(a:buffer) ? ' -m flakehell' : ''
let l:command = ale#Escape(l:executable) . l:module_string . ' --version'
return ale#semver#RunWithVersionCheck(
\ a:buffer,
\ l:executable,
\ l:command,
\ function('ale_linters#python#flakehell#GetCommand'),
\)
endfunction
function! ale_linters#python#flakehell#GetCwd(buffer) abort
let l:change_directory = ale#Var(a:buffer, 'python_flakehell_change_directory')
let l:cwd = ''
if l:change_directory is# 'project'
let l:project_root = ale#python#FindProjectRootIni(a:buffer)
if !empty(l:project_root)
let l:cwd = l:project_root
endif
endif
if (l:change_directory is# 'project' && empty(l:cwd))
\|| l:change_directory is# 1
\|| l:change_directory is# 'file'
let l:cwd = '%s:h'
endif
return l:cwd
endfunction
function! ale_linters#python#flakehell#GetCommand(buffer, version) abort
let l:executable = ale_linters#python#flakehell#GetExecutable(a:buffer)
if (l:executable =~? 'pipenv\|poetry$')
let l:exec_args = ' run flakehell'
elseif (l:executable is? 'python')
let l:exec_args = ' -m flakehell'
else
let l:exec_args = ''
endif
" Only include the --stdin-display-name argument if we can parse the
" flakehell version, and it is recent enough to support it.
let l:display_name_args = ale#semver#GTE(a:version, [0, 8, 0])
\ ? ' --stdin-display-name %s'
\ : ''
let l:options = ale#Var(a:buffer, 'python_flakehell_options')
return ale#Escape(l:executable)
\ . l:exec_args
\ . (!empty(l:options) ? ' lint ' . l:options : ' lint')
\ . ' --format=default'
\ . l:display_name_args . ' -'
endfunction
let s:end_col_pattern_map = {
\ 'F405': '\(.\+\) may be undefined',
\ 'F821': 'undefined name ''\([^'']\+\)''',
\ 'F999': '^''\([^'']\+\)''',
\ 'F841': 'local variable ''\([^'']\+\)''',
\}
function! ale_linters#python#flakehell#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:
"
" Matches patterns line the following:
"
" stdin:6:6: E111 indentation is not a multiple of four
let l:pattern = '\v^[a-zA-Z]?:?[^:]+:(\d+):?(\d+)?: ([[:alnum:]]+):? (.*)$'
for l:match in ale#util#GetMatches(a:lines, l:pattern)
let l:code = l:match[3]
if (l:code is# 'W291' || l:code is# 'W293')
\ && !ale#Var(a:buffer, 'warn_about_trailing_whitespace')
" Skip warnings for trailing whitespace if the option is off.
continue
endif
if l:code is# 'W391'
\&& !ale#Var(a:buffer, 'warn_about_trailing_blank_lines')
" Skip warnings for trailing blank lines if the option is off
continue
endif
let l:item = {
\ 'lnum': l:match[1] + 0,
\ 'col': l:match[2] + 0,
\ 'vcol': 1,
\ 'text': l:match[4],
\ 'code': l:code,
\ 'type': 'W',
\}
if l:code[:0] is# 'F'
if l:code isnot# 'F401'
let l:item.type = 'E'
endif
elseif l:code[:0] is# 'E'
let l:item.type = 'E'
if l:code isnot# 'E999' && l:code isnot# 'E112'
let l:item.sub_type = 'style'
endif
elseif l:code[:0] is# 'W'
let l:item.sub_type = 'style'
endif
let l:end_col_pattern = get(s:end_col_pattern_map, l:code, '')
if !empty(l:end_col_pattern)
let l:end_col_match = matchlist(l:match[4], l:end_col_pattern)
if !empty(l:end_col_match)
let l:item.end_col = l:item.col + len(l:end_col_match[1]) - 1
endif
endif
call add(l:output, l:item)
endfor
return l:output
endfunction
call ale#linter#Define('python', {
\ 'name': 'flakehell',
\ 'executable': function('ale_linters#python#flakehell#GetExecutable'),
\ 'cwd': function('ale_linters#python#flakehell#GetCwd'),
\ 'command': function('ale_linters#python#flakehell#RunWithVersionCheck'),
\ 'callback': 'ale_linters#python#flakehell#Handle',
\})
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