add compress_zip.py

Author: Joshix-1

compress_zip.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env -S uv run --script
+# /// script
+# dependencies = [
+#   "zopflipy",
+# ]
+# ///
+
+import io
+import sys
+import zipfile
+from collections.abc import Sequence
+from pathlib import Path
+from zopfli import ZipFile
+
+def compress_zip_file(path: Path) -> str | None:
+    data = io.BytesIO(path.read_bytes())
+
+    with ZipFile(data, "r", zipfile.ZIP_DEFLATED) as source:
+        with ZipFile(path, "w", zipfile.ZIP_DEFLATED) as out:
+            for zip_info in source.infolist():
+                out.writestr(zip_info, source.read(zip_info.filename))
+
+    return None
+
+def main(args: Sequence[str]) -> str | int:
+    if not args:
+        return f"USAGE: {sys.argv[0]} FILES.."
+    for arg in args:
+        path = Path(arg)
+        if not path.is_file():
+            return f"{path.as_posix()} is not a file"
+        if err := compress_zip_file(path):
+            return f"Could not compress {path.as_posix()}: {err}"
+
+    return 0
+
+sys.exit(main(sys.argv[1:]))