Refactor GF3 L1A to L2 pipeline

Decompression.py

@@ -0,0 +1,30 @@
+"""Compatibility wrapper for archive extraction."""
+
+from __future__ import annotations
+
+import argparse
+import sys
+from pathlib import Path
+
+_SRC = Path(__file__).resolve().parent / "src"
+if _SRC.is_dir():
+    sys.path.insert(0, str(_SRC))
+
+from gf3_l1a2l2.decompress import extract_compressed_files
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(description="Extract GF3 archives")
+    parser.add_argument("input", type=Path, help="folder containing .tar.gz or .zip archives")
+    parser.add_argument("--overwrite", action="store_true", help="overwrite existing extracted folders")
+    args = parser.parse_args()
+
+    results = extract_compressed_files(args.input, overwrite=args.overwrite)
+    failed = [item for item in results if item.status == "failed"]
+    for item in results:
+        print(f"{item.status}\t{item.archive}\t{item.output_dir}\t{item.message}")
+    return 1 if failed else 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())