1 files changed, 14 insertions, 2 deletions
diff --git a/uploader/datautils.py b/uploader/datautils.py
index 2ee079d..d132c42 100644
--- a/uploader/datautils.py
+++ b/uploader/datautils.py
@@ -1,7 +1,9 @@
 """Generic data utilities: Rename module."""
 import math
-from typing import Sequence
+import json
+import base64
 from functools import reduce
+from typing import Union, Sequence
 
 def enumerate_sequence(seq: Sequence[dict], start:int = 1) -> Sequence[dict]:
     """Enumerate sequence beginning at 1"""
@@ -28,7 +30,7 @@ def order_by_family(items: tuple[dict, ...],
                   key=lambda item: item[0][0])
 
 
-def safe_int(val: str) -> int:
+def safe_int(val: Union[str, int, float]) -> int:
     """
     Convert val into an integer: if val cannot be converted, return a zero.
     """
@@ -36,3 +38,13 @@ def safe_int(val: str) -> int:
         return int(val)
     except ValueError:
         return 0
+
+
+def base64_encode_dict(dct: dict, **kwargs) -> bytes:
+    """Base64 encode a dictionary. Takes the same keywords as `json.dumps` function."""
+    return base64.urlsafe_b64encode(json.dumps(dct, **kwargs).encode("utf-8"))
+
+
+def base64_decode_to_dict(value: str, **kwargs) -> dict:
+    """Base64 encode a dictionary. Takes the same keywords as `json.loads` function."""
+    return json.loads(base64.urlsafe_b64decode(value), **kwargs)