Initial commit

a1_swap_mod_packer/archive.py

@@ -0,0 +1,16 @@
+from __future__ import annotations
+
+import re
+import zipfile
+
+GCODE_MEMBER_RE = re.compile(r"^Metadata/plate_(\d+)\.gcode$")
+MD5_MEMBER_RE = re.compile(r"^Metadata/plate_(\d+)\.gcode\.md5$")
+
+
+def list_gcode_members(archive: zipfile.ZipFile) -> list[str]:
+    members: list[tuple[int, str]] = []
+    for name in archive.namelist():
+        match = GCODE_MEMBER_RE.match(name)
+        if match:
+            members.append((int(match.group(1)), name))
+    return [name for _, name in sorted(members)]