109 lines
3.7 KiB
VimL
109 lines
3.7 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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call ale#Set('python_mypy_auto_poetry', 0)
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call ale#Set('python_mypy_auto_uv', 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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if (ale#Var(a:buffer, 'python_auto_poetry') || ale#Var(a:buffer, 'python_mypy_auto_poetry'))
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\ && ale#python#PoetryPresent(a:buffer)
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return 'poetry'
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endif
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if (ale#Var(a:buffer, 'python_auto_uv') || ale#Var(a:buffer, 'python_mypy_auto_uv'))
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\ && ale#python#UvPresent(a:buffer)
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return 'uv'
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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\|poetry\|uv$'
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\ ? ' run mypy'
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\ : ''
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return '%e' . l:exec_args
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\ . ale#Pad(ale#Var(a:buffer, 'python_mypy_options'))
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\ . ' --show-column-numbers'
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\ . ' --shadow-file %s %t %s'
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endfunction
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function! ale_linters#python#mypy#Handle(buffer, lines) abort
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let l:dir = ale_linters#python#mypy#GetCwd(a:buffer)
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" Look for lines like the following:
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"
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" file.py:4: error: No library stub file for module 'django.db'
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"
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" Lines like these should be ignored below:
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"
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" file.py:4: note: (Stub files are from https://github.com/python/typeshed)
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let l:types = 'error|warning'
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if ale#Var(a:buffer, 'python_mypy_show_notes')
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let l:types = 'error|warning|note'
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endif
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let l:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+):?(\d+)?: ('
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\ . l:types
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\ . '): (.+)$'
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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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