Add helper script

Author: stefanw

scripts/plzdata.py

@@ -0,0 +1,41 @@
+import base64
+import json
+import sys
+from pathlib import Path
+
+encrypted_filename = Path("./assets/plz.json")
+decrypted_filename = Path("./assets/plz-plain.json")
+
+
+def decrypt():
+    with open(encrypted_filename) as f:
+        data = json.load(f)
+    data = [
+        {**x, **{"E-Mail": base64.b64decode(x["E-Mail"]).decode("utf-8")}} for x in data
+    ]
+    with open(decrypted_filename, "w") as f:
+        json.dump(data, f, ensure_ascii=False, indent=2)
+
+
+def encrypt():
+    with open(decrypted_filename) as f:
+        data = json.load(f)
+    data = [
+        {
+            **x,
+            **{"E-Mail": base64.b64encode(x["E-Mail"].encode("utf-8")).decode("utf-8")},
+        }
+        for x in data
+    ]
+    with open(encrypted_filename, "w") as f:
+        json.dump(data, f, ensure_ascii=False, indent=2)
+
+
+if __name__ == "__main__":
+    arg = sys.argv[1]
+    if arg == "decrypt":
+        decrypt()
+    elif arg == "encrypt":
+        encrypt()
+    else:
+        print("Bad argument")