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" Author: Yining <zhang.yining@gmail.com>, Joseph Henrich <crimsonknave@gmail.com>
" Description: ruff formatter as ALE fixer for python files
call ale#Set('python_ruff_format_executable', 'ruff')
call ale#Set('python_ruff_format_options', '')
call ale#Set('python_ruff_format_use_global', get(g:, 'ale_use_global_executables', 0))
call ale#Set('python_ruff_format_change_directory', 1)
call ale#Set('python_ruff_format_auto_pipenv', 0)
call ale#Set('python_ruff_format_auto_poetry', 0)
call ale#Set('python_ruff_format_auto_uv', 0)
function! ale#fixers#ruff_format#GetCwd(buffer) abort
if ale#Var(a:buffer, 'python_ruff_format_change_directory')
" Run from project root if found, else from buffer dir.
let l:project_root = ale#python#FindProjectRoot(a:buffer)
return !empty(l:project_root) ? l:project_root : '%s:h'
endif
return '%s:h'
endfunction
function! ale#fixers#ruff_format#GetExecutable(buffer) abort
if (ale#Var(a:buffer, 'python_auto_pipenv') || ale#Var(a:buffer, 'python_ruff_format_auto_pipenv'))
\ && ale#python#PipenvPresent(a:buffer)
return 'pipenv'
endif
if (ale#Var(a:buffer, 'python_auto_poetry') || ale#Var(a:buffer, 'python_ruff_format_auto_poetry'))
\ && ale#python#PoetryPresent(a:buffer)
return 'poetry'
endif
if (ale#Var(a:buffer, 'python_auto_uv') || ale#Var(a:buffer, 'python_ruff_format_auto_uv'))
\ && ale#python#UvPresent(a:buffer)
return 'uv'
endif
return ale#python#FindExecutable(a:buffer, 'python_ruff_format', ['ruff'])
endfunction
function! ale#fixers#ruff_format#GetCommand(buffer) abort
let l:executable = ale#fixers#ruff_format#GetExecutable(a:buffer)
let l:exec_args = l:executable =~? '\(pipenv\|poetry\|uv\)$'
\ ? ' run ruff'
\ : ''
return ale#Escape(l:executable) . l:exec_args
endfunction
function! ale#fixers#ruff_format#Fix(buffer) abort
let l:executable = ale#fixers#ruff_format#GetExecutable(a:buffer)
let l:cmd = [ale#Escape(l:executable)]
if l:executable =~? '\(pipenv\|poetry\|uv\)$'
call extend(l:cmd, ['run', 'ruff'])
endif
let l:options = ale#Var(a:buffer, 'python_ruff_format_options')
" when --stdin-filename present, ruff will use it for proj root resolution
" https://github.com/charliermarsh/ruff/pull/1281
let l:fname = expand('#' . a:buffer . '...')
call add(l:cmd, 'format')
if !empty(l:options)
call add(l:cmd, l:options)
endif
call add(l:cmd, '--stdin-filename '.ale#Escape(ale#path#Simplify(l:fname)))
call add(l:cmd, '-')
return {
\ 'cwd': ale#fixers#ruff_format#GetCwd(a:buffer),
\ 'command': join(l:cmd, ' '),
\}
endfunction
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