Support ruff as Python linter and fixer

.vim/after/ftplugin/python.vim

@@ -28,6 +28,7 @@ virtualenv_path = find_virtualenv(['virtualenv', 'venv'])  #vim.eval('ale_virtua
 if virtualenv_path:
     has_pylint_django = glob.glob(os.path.join(virtualenv_path, 'lib/*/site-packages/pylint_django'))
     has_pylint = glob.glob(os.path.join(virtualenv_path, 'lib/*/site-packages/pylint'))
+    has_ruff = glob.glob(os.path.join(virtualenv_path, 'lib/*/site-packages/ruff'))
     has_flake8 = glob.glob(os.path.join(virtualenv_path, 'lib/*/site-packages/flake8'))
     has_bandit = glob.glob(os.path.join(virtualenv_path, 'lib/*/site-packages/bandit'))
 else:
@@ -43,6 +44,12 @@ else:
     except ImportError:
         has_pylint = False
 
+    try:
+        find_spec('ruff')
+        has_ruff = True
+    except ImportError:
+        has_ruff = False
+
     try:
         find_spec('flake8')
         has_flake8 = True
@@ -58,6 +65,8 @@ else:
 linters = []
 if has_pylint:
     linters.append('pylint')
+if has_ruff:
+    linters.append('ruff')
 if has_flake8:
     linters.append('flake8')
 if has_bandit:

.vimrc

@@ -396,12 +396,14 @@ nmap <leader>= <Plug>(ale_fix)
 " Quickly open the loclist to see syntax errors
 nmap <leader>; :lopen<CR>
 let g:ale_maximum_file_size = 500000  " Don't lint large files (> 500KB), it can slow things down
-let g:ale_fixers = {}
+"let g:ale_fixers = {}
+let g:ale_fixers = { '*': ['remove_trailing_lines', 'trim_whitespace'], }
 " Python specific settings
-let g:ale_fixers.python = ['isort']
+let g:ale_fixers.python = ['isort', 'ruff', 'black']
+" JS specific settings
 let g:ale_fixers.javascript = ['eslint', 'prettier']
 
-" See VIMHOME/after/ftplugin/python.vim for some pylint configuration, also checking whether a
+" See VIMHOME/after/ftplugin/python.vim for some linting configuration, also checking whether a
 " project uses Django
 
 " Show errors or warnings in the statusline