Add pymarkdown fixer (#5045)

autoload/ale/fix/registry.vim

@@ -457,6 +457,11 @@ let s:default_registry = {
 \       'suggested_filetypes': ['markdown'],
 \       'description': 'Fix markdown files with pandoc.',
 \   },
+\   'pymarkdown': {
+\       'function': 'ale#fixers#pymarkdown#Fix',
+\       'suggested_filetypes': ['markdown'],
+\       'description': 'Fix markdown files with pymarkdown.',
+\   },
 \   'shfmt': {
 \       'function': 'ale#fixers#shfmt#Fix',
 \       'suggested_filetypes': ['sh'],

autoload/ale/fixers/pymarkdown.vim

@@ -0,0 +1,46 @@
+scriptencoding utf-8
+" Author: Adrian Vollmer <adrian.vollmer@syss.de>
+" Description: Fix markdown files with pymarkdown.
+
+call ale#Set('markdown_pymarkdown_executable', 'pymarkdown')
+call ale#Set('markdown_pymarkdown_options', '')
+call ale#Set('markdown_pymarkdown_use_global', get(g:, 'ale_use_global_executables', 0))
+call ale#Set('markdown_pymarkdown_auto_pipenv', 0)
+call ale#Set('markdown_pymarkdown_auto_poetry', 0)
+call ale#Set('markdown_pymarkdown_auto_uv', 0)
+
+function! ale#fixers#pymarkdown#GetExecutable(buffer) abort
+    if (ale#Var(a:buffer, 'python_auto_pipenv') || ale#Var(a:buffer, 'markdown_pymarkdown_auto_pipenv'))
+    \ && ale#python#PipenvPresent(a:buffer)
+        return 'pipenv'
+    endif
+
+    if (ale#Var(a:buffer, 'python_auto_poetry') || ale#Var(a:buffer, 'markdown_pymarkdown_auto_poetry'))
+    \ && ale#python#PoetryPresent(a:buffer)
+        return 'poetry'
+    endif
+
+    if (ale#Var(a:buffer, 'python_auto_uv') || ale#Var(a:buffer, 'markdown_pymarkdown_auto_uv'))
+    \ && ale#python#UvPresent(a:buffer)
+        return 'uv'
+    endif
+
+    return ale#python#FindExecutable(a:buffer, 'markdown_pymarkdown', ['pymarkdown'])
+endfunction
+
+function! ale#fixers#pymarkdown#Fix(buffer) abort
+    let l:executable = ale#fixers#pymarkdown#GetExecutable(a:buffer)
+    let l:options = ale#Var(a:buffer, 'markdown_pymarkdown_options')
+
+    let l:exec_args = l:executable =~? 'pipenv\|poetry\|uv$'
+    \   ? ' run pymarkdown'
+    \   : ''
+
+    return {
+    \   'command': ale#Escape(l:executable) . l:exec_args
+    \       . ' fix'
+    \       . (!empty(l:options) ? ' ' . l:options : '')
+    \       . ' %t',
+    \   'read_temporary_file': 1,
+    \}
+endfunction