9fe7b1fe6a
Working directories are now set seperately from the commands so they can later be swapped out when running linters over projects is supported, and also better support filename mapping for running linters on other machines in future.
97 lines
3.3 KiB
VimL
97 lines
3.3 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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call ale#Set('python_mypy_executable', 'mypy')
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call ale#Set('python_mypy_ignore_invalid_syntax', 0)
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call ale#Set('python_mypy_show_notes', 1)
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call ale#Set('python_mypy_options', '')
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call ale#Set('python_mypy_use_global', get(g:, 'ale_use_global_executables', 0))
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call ale#Set('python_mypy_auto_pipenv', 0)
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function! ale_linters#python#mypy#GetExecutable(buffer) abort
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if (ale#Var(a:buffer, 'python_auto_pipenv') || ale#Var(a:buffer, 'python_mypy_auto_pipenv'))
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\ && ale#python#PipenvPresent(a:buffer)
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return 'pipenv'
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endif
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return ale#python#FindExecutable(a:buffer, 'python_mypy', ['mypy'])
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endfunction
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" The directory to change to before running mypy
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function! ale_linters#python#mypy#GetCwd(buffer) abort
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" If we find a directory with "mypy.ini" in it use that,
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" else try and find the "python project" root, or failing
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" that, run from the same folder as the current file
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for l:path in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
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if filereadable(l:path . '/mypy.ini')
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return l:path
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endif
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endfor
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let l:project_root = ale#python#FindProjectRoot(a:buffer)
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return !empty(l:project_root)
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\ ? l:project_root
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\ : expand('#' . a:buffer . ':p:h')
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endfunction
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function! ale_linters#python#mypy#GetCommand(buffer) abort
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let l:executable = ale_linters#python#mypy#GetExecutable(a:buffer)
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let l:exec_args = l:executable =~? 'pipenv$'
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\ ? ' run mypy'
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\ : ''
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return '%e' . l:exec_args
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\ . ale#Pad(ale#Var(a:buffer, 'python_mypy_options'))
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\ . ' --show-column-numbers'
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\ . ' --shadow-file %s %t %s'
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endfunction
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function! ale_linters#python#mypy#Handle(buffer, lines) abort
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let l:dir = ale_linters#python#mypy#GetCwd(a:buffer)
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" Look for lines like the following:
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"
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" file.py:4: error: No library stub file for module 'django.db'
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"
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" Lines like these should be ignored below:
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"
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" file.py:4: note: (Stub files are from https://github.com/python/typeshed)
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let l:types = 'error|warning'
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if ale#Var(a:buffer, 'python_mypy_show_notes')
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let l:types = 'error|warning|note'
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endif
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let l:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+):?(\d+)?: ('
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\ . l:types
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\ . '): (.+)$'
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let l:output = []
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for l:match in ale#util#GetMatches(a:lines, l:pattern)
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" Skip invalid syntax errors if the option is on.
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if l:match[5] is# 'invalid syntax'
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\&& ale#Var(a:buffer, 'python_mypy_ignore_invalid_syntax')
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continue
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endif
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call add(l:output, {
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\ 'filename': ale#path#GetAbsPath(l:dir, l:match[1]),
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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] is# 'error' ? 'E' : (l:match[4] is# 'note' ? 'I': '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': function('ale_linters#python#mypy#GetExecutable'),
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\ 'cwd': function('ale_linters#python#mypy#GetCwd'),
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\ 'command': function('ale_linters#python#mypy#GetCommand'),
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\ 'callback': 'ale_linters#python#mypy#Handle',
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\ 'output_stream': 'both'
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\})
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