venv added, updated

myenv/lib/python3.12/site-packages/authlib/jose/util.py

@@ -0,0 +1,37 @@
+import binascii
+from authlib.common.encoding import urlsafe_b64decode, json_loads, to_unicode
+from authlib.jose.errors import DecodeError
+
+
+def extract_header(header_segment, error_cls):
+    header_data = extract_segment(header_segment, error_cls, 'header')
+
+    try:
+        header = json_loads(header_data.decode('utf-8'))
+    except ValueError as e:
+        raise error_cls(f'Invalid header string: {e}')
+
+    if not isinstance(header, dict):
+        raise error_cls('Header must be a json object')
+    return header
+
+
+def extract_segment(segment, error_cls, name='payload'):
+    try:
+        return urlsafe_b64decode(segment)
+    except (TypeError, binascii.Error):
+        msg = f'Invalid {name} padding'
+        raise error_cls(msg)
+
+
+def ensure_dict(s, structure_name):
+    if not isinstance(s, dict):
+        try:
+            s = json_loads(to_unicode(s))
+        except (ValueError, TypeError):
+            raise DecodeError(f'Invalid {structure_name}')
+
+    if not isinstance(s, dict):
+        raise DecodeError(f'Invalid {structure_name}')
+
+    return s