updates

Backend/venv/lib/python3.12/site-packages/authlib/oauth2/rfc6749/wrappers.py

@@ -0,0 +1,24 @@
+import time
+
+
+class OAuth2Token(dict):
+    def __init__(self, params):
+        if params.get("expires_at"):
+            params["expires_at"] = int(params["expires_at"])
+        elif params.get("expires_in"):
+            params["expires_at"] = int(time.time()) + int(params["expires_in"])
+        super().__init__(params)
+
+    def is_expired(self, leeway=60):
+        expires_at = self.get("expires_at")
+        if not expires_at:
+            return None
+        # small timedelta to consider token as expired before it actually expires
+        expiration_threshold = expires_at - leeway
+        return expiration_threshold < time.time()
+
+    @classmethod
+    def from_dict(cls, token):
+        if isinstance(token, dict) and not isinstance(token, cls):
+            token = cls(token)
+        return token