73 lines
2.4 KiB
VimL
73 lines
2.4 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_executable =
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\ get(g:, 'ale_python_mypy_executable', 'mypy')
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let g:ale_python_mypy_options = get(g:, 'ale_python_mypy_options', '')
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let g:ale_python_mypy_use_global = get(g:, 'ale_python_mypy_use_global', 0)
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function! ale_linters#python#mypy#GetExecutable(buffer) abort
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if !ale#Var(a:buffer, 'python_mypy_use_global')
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let l:virtualenv = ale#python#FindVirtualenv(a:buffer)
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if !empty(l:virtualenv)
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let l:ve_mypy = l:virtualenv . '/bin/mypy'
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if executable(l:ve_mypy)
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return l:ve_mypy
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endif
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endif
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endif
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return ale#Var(a:buffer, 'python_mypy_executable')
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endfunction
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function! ale_linters#python#mypy#GetCommand(buffer) abort
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let l:project_root = ale#python#FindProjectRoot(a:buffer)
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let l:cd_command = !empty(l:project_root)
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\ ? ale#path#CdString(l:project_root)
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\ : ''
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let l:executable = ale_linters#python#mypy#GetExecutable(a:buffer)
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return l:cd_command
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\ . fnameescape(l:executable)
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\ . ' --show-column-numbers '
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\ . ale#Var(a:buffer, 'python_mypy_options')
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\ . ' %s'
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endfunction
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function! 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 = '\v^([a-zA-Z]?:?[^:]+):(\d+):?(\d+)?: (error|warning): (.+)$'
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let l:output = []
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let l:buffer_filename = expand('#' . a:buffer . ':p')
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for l:match in ale#util#GetMatches(a:lines, l:pattern)
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if l:buffer_filename[-len(l:match[1]):] !=# l:match[1]
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continue
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endif
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call add(l:output, {
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\ 'lnum': l:match[2] + 0,
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\ 'col': l:match[3] + 0,
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\ 'type': l:match[4] =~# 'error' ? 'E' : 'W',
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\ 'text': l:match[5],
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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 ale#linter#Define('python', {
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\ 'name': 'mypy',
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\ 'executable_callback': 'ale_linters#python#mypy#GetExecutable',
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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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\ 'lint_file': 1,
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\})
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