Add simple script to add pytest marks

spacy/tests/regression/util_add_marker.py

@@ -0,0 +1,41 @@
+import re
+from pathlib import Path
+from typing import Optional
+
+import typer
+
+
+def main(
+    filename: Path, out_file: Optional[Path] = typer.Option(None), dry_run: bool = False
+):
+    """Add pytest issue markers on regression tests
+
+    If --out-file is not used, it will overwrite the original file. You can set
+    the --dry-run flag to just see the changeset and not write to disk.
+    """
+    lines = []
+    with filename.open() as f:
+        lines = f.readlines()
+
+    # Regex pattern for matching common regression formats (e.g. test_issue1234)
+    pattern = r"def test_issue\d{1,4}"
+    regex = re.compile(pattern)
+
+    new_lines = []
+    for line_text in lines:
+        if regex.search(line_text):  # if match, append marker first
+            issue_num = int(re.findall(r"\d+", line_text)[0])  # Simple heuristic
+            typer.echo(f"Found: {line_text} with issue number: {issue_num}")
+            new_lines.append(f"@pytest.mark.issue({issue_num})\n")
+        new_lines.append(line_text)
+
+    # Save to file
+    if not dry_run:
+        out = out_file or filename
+        with out.open("w") as f:
+            for new_line in new_lines:
+                f.write(new_line)
+
+
+if __name__ == "__main__":
+    typer.run(main)