mirror of https://github.com/dense-analysis/ale
69 lines
2.1 KiB
VimL
69 lines
2.1 KiB
VimL
" Author: w0rp <devw0rp@gmail.com>
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" Description: Functions for integrating with Python linters.
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let g:ale_virtualenv_dir_names = get(g:, 'ale_virtualenv_dir_names', [
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\ '.env',
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\ 'env',
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\ 've-py3',
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\ 've',
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\ 'virtualenv',
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\])
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" Given a buffer number, find the project root directory for Python.
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" The root directory is defined as the first directory found while searching
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" upwards through paths, including the current directory, until a path
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" containing no __init__.py files is found.
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function! ale#python#FindProjectRoot(buffer) abort
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for l:path in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
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if !filereadable(l:path . '/__init__.py')
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return l:path
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endif
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endfor
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return ''
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endfunction
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" Given a buffer number, find a virtualenv path for Python.
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function! ale#python#FindVirtualenv(buffer) abort
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for l:path in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
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for l:dirname in ale#Var(a:buffer, 'virtualenv_dir_names')
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let l:venv_dir = l:path . '/' . l:dirname
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if filereadable(l:venv_dir . '/bin/activate')
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return l:venv_dir
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endif
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endfor
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endfor
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return ''
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endfunction
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" Given a buffer number and a command name, find the path to the executable.
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" First search on a virtualenv for Python, if nothing is found, try the global
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" command. Returns an empty string if cannot find the executable
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function! ale#python#FindExecutable(buffer, base_var_name, path_list) abort
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if ale#Var(a:buffer, a:base_var_name . '_use_global')
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return ale#Var(a:buffer, a:base_var_name . '_executable')
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endif
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let l:virtualenv = ale#python#FindVirtualenv(a:buffer)
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if !empty(l:virtualenv)
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for l:path in a:path_list
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let l:ve_executable = l:virtualenv . l:path
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if executable(l:ve_executable)
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return l:ve_executable
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endif
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endfor
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endif
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let l:global_executable = ale#Var(a:buffer, a:base_var_name . '_executable')
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if executable(l:global_executable)
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return l:global_executable
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endif
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return ''
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endfunction
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