61 lines
1.9 KiB
VimL
61 lines
1.9 KiB
VimL
" Author: Keith Smiley <k@keith.so>, w0rp <devw0rp@gmail.com>
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" Description: mypy support for optional python typechecking
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let g:ale_python_mypy_options = get(g:, 'ale_python_mypy_options', '')
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function! g:ale_linters#python#mypy#GetCommand(buffer) abort
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let l:automatic_stubs_dir = ale#util#FindNearestDirectory(a:buffer, 'stubs')
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" TODO: Add Windows support
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let l:automatic_stubs_command = (has('unix') && !empty(l:automatic_stubs_dir))
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\ ? 'MYPYPATH=' . l:automatic_stubs_dir . ' '
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\ : ''
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return 'mypy --show-column-numbers '
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\ . g:ale_python_mypy_options
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\ . ' %t'
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endfunction
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let s:path_pattern = '[a-zA-Z]\?\\\?:\?[[:alnum:]/\.\-_]\+'
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function! g:ale_linters#python#mypy#Handle(buffer, lines) abort
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" Look for lines like the following:
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"
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" file.py:4: error: No library stub file for module 'django.db'
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"
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" Lines like these should be ignored below:
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"
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" file.py:4: note: (Stub files are from https://github.com/python/typeshed)
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let l:pattern = '^' . s:path_pattern . ':\(\d\+\):\?\(\d\+\)\?: \([^:]\+\): \(.\+\)$'
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let l:output = []
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for l:line in a:lines
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let l:match = matchlist(l:line, l:pattern)
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if len(l:match) == 0
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continue
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endif
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if l:match[4] =~# 'Stub files are from'
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" The lines telling us where to get stub files from make it so
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" we can't read the actual errors, so exclude them.
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continue
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endif
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call add(l:output, {
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\ 'bufnr': a:buffer,
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\ 'lnum': l:match[1] + 0,
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\ 'col': l:match[2] + 0,
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\ 'text': l:match[4],
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\ 'type': l:match[3] =~# 'error' ? 'E' : 'W',
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\})
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endfor
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return l:output
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endfunction
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call g:ale#linter#Define('python', {
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\ 'name': 'mypy',
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\ 'executable': 'mypy',
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\ 'command_callback': 'ale_linters#python#mypy#GetCommand',
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\ 'callback': 'ale_linters#python#mypy#Handle',
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\})
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