ale/autoload/ale/python.vim

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VimL

" Author: w0rp <devw0rp@gmail.com>
" Description: Functions for integrating with Python linters.
" 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'))
let l:matches = globpath(l:path, '*/bin/activate', 0, 1)
if !empty(l:matches)
return fnamemodify(l:matches[-1], ':h:h')
endif
endfor
return ''
endfunction