Initial containerized Frigate camera control bridge

tools/compile_gettext.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+import ast
+import struct
+import sys
+from pathlib import Path
+
+
+def read_po(path):
+    messages = {}
+    current = None
+    buffers = {"msgid": [], "msgstr": []}
+
+    def flush():
+        if buffers["msgid"] or buffers["msgstr"]:
+            messages["".join(buffers["msgid"])] = "".join(buffers["msgstr"])
+        buffers["msgid"] = []
+        buffers["msgstr"] = []
+
+    for raw_line in path.read_text(encoding="utf-8").splitlines():
+        line = raw_line.strip()
+        if not line or line.startswith("#"):
+            continue
+        if line.startswith("msgid "):
+            flush()
+            current = "msgid"
+            buffers[current].append(ast.literal_eval(line[6:].strip()))
+            continue
+        if line.startswith("msgstr "):
+            current = "msgstr"
+            buffers[current].append(ast.literal_eval(line[7:].strip()))
+            continue
+        if line.startswith('"') and current:
+            buffers[current].append(ast.literal_eval(line))
+    flush()
+    return messages
+
+
+def write_mo(messages, path):
+    keys = sorted(messages)
+    ids = b"\x00".join(key.encode("utf-8") for key in keys) + b"\x00"
+    strs = b"\x00".join(messages[key].encode("utf-8") for key in keys) + b"\x00"
+
+    keystart = 7 * 4 + len(keys) * 16
+    valuestart = keystart + len(ids)
+    koffsets = []
+    voffsets = []
+    offset = keystart
+    for key in keys:
+        encoded = key.encode("utf-8")
+        koffsets.append((len(encoded), offset))
+        offset += len(encoded) + 1
+    offset = valuestart
+    for key in keys:
+        encoded = messages[key].encode("utf-8")
+        voffsets.append((len(encoded), offset))
+        offset += len(encoded) + 1
+
+    output = [
+        struct.pack("Iiiiiii", 0x950412DE, 0, len(keys), 7 * 4, 7 * 4 + len(keys) * 8, 0, 0)
+    ]
+    output.extend(struct.pack("ii", length, offset) for length, offset in koffsets)
+    output.extend(struct.pack("ii", length, offset) for length, offset in voffsets)
+    output.append(ids)
+    output.append(strs)
+    path.write_bytes(b"".join(output))
+
+
+def main():
+    root = Path(sys.argv[1] if len(sys.argv) > 1 else "locale")
+    for po in root.glob("*/LC_MESSAGES/*.po"):
+        mo = po.with_suffix(".mo")
+        write_mo(read_po(po), mo)
+        print(mo)
+
+
+if __name__ == "__main__":
+    main()