--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_codespell.py	Mon Sep 15 11:37:51 2025 +0200
@@ -0,0 +1,68 @@
+import pymupdf
+
+import os
+import platform
+import shlex
+import subprocess
+import sys
+import textwrap
+
+
+def test_codespell():
+    '''
+    Check rebased Python code with codespell.
+    '''
+    if not hasattr(pymupdf, 'mupdf'):
+        print('Not running codespell with classic implementation.')
+        return
+    
+    if platform.system() == 'Windows':
+        # Git commands seem to fail on Github Windows runners.
+        print(f'test_codespell(): Not running on Widows')
+        return
+        
+    root = os.path.abspath(f'{__file__}/../..')
+    
+    # For now we ignore files that we would ideally still look at, because it
+    # is difficult to exclude some text sections.
+    skips = textwrap.dedent('''
+            *.pdf
+            docs/_static/prism/prism.js
+            docs/_static/prism/prism.js
+            docs/locales/ja/LC_MESSAGES/changes.po
+            docs/locales/ja/LC_MESSAGES/recipes-common-issues-and-their-solutions.po
+            docs/locales/
+            src_classic/*
+            ''')
+    skips = skips.strip().replace('\n', ',')
+    
+    command = textwrap.dedent(f'''
+            cd {root} && codespell
+                --skip {shlex.quote(skips)}
+                --ignore-words-list re-use,flate,thirdparty,re-using
+                --ignore-regex 'https?://[a-z0-9/_.]+'
+                --ignore-multiline-regex 'codespell:ignore-begin.*codespell:ignore-end'
+            ''')
+    
+    sys.path.append(root)
+    try:
+        import pipcl
+    finally:
+        del sys.path[0]
+    git_files = pipcl.git_items(root)
+    
+    for p in git_files:
+        _, ext = os.path.splitext(p)
+        if ext in ('.png', '.pdf', '.jpg', '.svg'):
+            pass
+        else:
+            command += f'    {p}\n'
+    
+    if platform.system() != 'Windows':
+        command = command.replace('\n', ' \\\n')
+    # Don't print entire command because very long, and will be displayed
+    # anyway if there is an error.
+    #print(f'test_codespell(): Running: {command}')
+    print(f'Running codespell.')
+    subprocess.run(command, shell=1, check=1)
+    print('test_codespell(): codespell succeeded.')