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" Author: w0rp <devw0rp@gmail.com>
" Description: Functions for integrating with Python linters.
let g:ale_virtualenv_dir_names = get(g:, 'ale_virtualenv_dir_names', [
\ '.env',
\ 'env',
\ 've-py3',
\ 've',
\ 'virtualenv',
\])
" Given a buffer number, find the project root directory for Python.
" The root directory is defined as the first directory found while searching
" upwards through paths, including the current directory, until a path
" containing no __init__.py files is found.
function! ale#python#FindProjectRoot(buffer) abort
for l:path in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
if !filereadable(l:path . '/__init__.py')
return l:path
endif
endfor
return ''
endfunction
" Given a buffer number, find a virtualenv path for Python.
function! ale#python#FindVirtualenv(buffer) abort
for l:path in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
for l:dirname in ale#Var(a:buffer, 'virtualenv_dir_names')
let l:venv_dir = l:path . '/' . l:dirname
if filereadable(l:venv_dir . '/bin/activate')
return l:venv_dir
endif
endfor
endfor
return ''
endfunction
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