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Add flakehell python linter (#3295) #3921
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,175 @@ | ||
" Author: w0rp <devw0rp@gmail.com> | ||
" Description: flakehell for python files | ||
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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) | ||
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function! s:UsingModule(buffer) abort | ||
return ale#Var(a:buffer, 'python_flakehell_executable') is? 'python' | ||
endfunction | ||
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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 | ||
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if (ale#Var(a:buffer, 'python_auto_poetry') || ale#Var(a:buffer, 'python_flakehell_auto_poetry')) | ||
\ && ale#python#PoetryPresent(a:buffer) | ||
return 'poetry' | ||
endif | ||
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if !s:UsingModule(a:buffer) | ||
return ale#python#FindExecutable(a:buffer, 'python_flakehell', ['flakehell']) | ||
endif | ||
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return ale#Var(a:buffer, 'python_flakehell_executable') | ||
endfunction | ||
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function! ale_linters#python#flakehell#RunWithVersionCheck(buffer) abort | ||
let l:executable = ale_linters#python#flakehell#GetExecutable(a:buffer) | ||
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let l:module_string = s:UsingModule(a:buffer) ? ' -m flakehell' : '' | ||
let l:command = ale#Escape(l:executable) . l:module_string . ' --version' | ||
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return ale#semver#RunWithVersionCheck( | ||
\ a:buffer, | ||
\ l:executable, | ||
\ l:command, | ||
\ function('ale_linters#python#flakehell#GetCommand'), | ||
\) | ||
endfunction | ||
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function! ale_linters#python#flakehell#GetCwd(buffer) abort | ||
let l:change_directory = ale#Var(a:buffer, 'python_flakehell_change_directory') | ||
let l:cwd = '' | ||
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if l:change_directory is# 'project' | ||
let l:project_root = ale#python#FindProjectRootIni(a:buffer) | ||
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if !empty(l:project_root) | ||
let l:cwd = l:project_root | ||
endif | ||
endif | ||
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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 | ||
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return l:cwd | ||
endfunction | ||
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function! ale_linters#python#flakehell#GetCommand(buffer, version) abort | ||
let l:executable = ale_linters#python#flakehell#GetExecutable(a:buffer) | ||
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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 | ||
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" 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' | ||
\ : '' | ||
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let l:options = ale#Var(a:buffer, 'python_flakehell_options') | ||
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return ale#Escape(l:executable) | ||
\ . l:exec_args | ||
\ . (!empty(l:options) ? ' lint ' . l:options : ' lint') | ||
\ . ' --format=default' | ||
\ . l:display_name_args . ' -' | ||
endfunction | ||
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let s:end_col_pattern_map = { | ||
\ 'F405': '\(.\+\) may be undefined', | ||
\ 'F821': 'undefined name ''\([^'']\+\)''', | ||
\ 'F999': '^''\([^'']\+\)''', | ||
\ 'F841': 'local variable ''\([^'']\+\)''', | ||
\} | ||
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function! ale_linters#python#flakehell#Handle(buffer, lines) abort | ||
let l:output = ale#python#HandleTraceback(a:lines, 10) | ||
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if !empty(l:output) | ||
return l:output | ||
endif | ||
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" 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:]]+):? (.*)$' | ||
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for l:match in ale#util#GetMatches(a:lines, l:pattern) | ||
let l:code = l:match[3] | ||
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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 | ||
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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 | ||
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let l:item = { | ||
\ 'lnum': l:match[1] + 0, | ||
\ 'col': l:match[2] + 0, | ||
\ 'vcol': 1, | ||
\ 'text': l:match[4], | ||
\ 'code': l:code, | ||
\ 'type': 'W', | ||
\} | ||
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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' | ||
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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 | ||
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let l:end_col_pattern = get(s:end_col_pattern_map, l:code, '') | ||
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if !empty(l:end_col_pattern) | ||
let l:end_col_match = matchlist(l:match[4], l:end_col_pattern) | ||
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if !empty(l:end_col_match) | ||
let l:item.end_col = l:item.col + len(l:end_col_match[1]) - 1 | ||
endif | ||
endif | ||
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call add(l:output, l:item) | ||
endfor | ||
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return l:output | ||
endfunction | ||
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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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Original file line number | Diff line number | Diff line change |
---|---|---|
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@@ -419,6 +419,7 @@ Notes: | |
* `bandit` | ||
* `black` | ||
* `flake8` | ||
* `flakehell` | ||
* `isort` | ||
* `mypy` | ||
* `prospector`!! | ||
|
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This seemed to make more sense that appending the module in the options.