adds ability to use int (seconds) for expires options

adds the ability to use int values (seconds) for JWT_ACCESS_TOKEN_EXPIRES and JWT_REFRESH_TOKEN_EXPIRES configs.

Refs #226

Author: evangilo

docs/options.rst

@@ -20,10 +20,10 @@ General Options:
                                   in a sequence or a set to check more then one location, such as:
                                   ``('headers', 'cookies')``. Defaults to ``['headers']``
 ``JWT_ACCESS_TOKEN_EXPIRES``      How long an access token should live before it expires. This
-                                  takes a ``datetime.timedelta``, and defaults to 15 minutes.
+                                  takes a ``datetime.timedelta`` or an ``int`` (seconds), and defaults to 15 minutes.
                                   Can be set to ``False`` to disable expiration.
 ``JWT_REFRESH_TOKEN_EXPIRES``     How long a refresh token should live before it expires. This
-                                  takes a ``datetime.timedelta``, and defaults to 30 days.
+                                  takes a ``datetime.timedelta`` or ``int`` (seconds), and defaults to 30 days.
                                   Can be set to ``False`` to disable expiration.
 ``JWT_ALGORITHM``                 Which algorithm to sign the JWT with. `See here <https://pyjwt.readthedocs.io/en/latest/algorithms.html>`_
                                   for the options. Defaults to ``'HS256'``.

flask_jwt_extended/config.py

@@ -186,16 +186,22 @@ def refresh_csrf_header_name(self):
     @property
     def access_expires(self):
         delta = current_app.config['JWT_ACCESS_TOKEN_EXPIRES']
+        if type(delta) is int:
+            delta = datetime.timedelta(seconds=delta)
         if not isinstance(delta, datetime.timedelta) and delta is not False:
-            err = 'JWT_ACCESS_TOKEN_EXPIRES must be a datetime.timedelta or False'
+            err = 'JWT_ACCESS_TOKEN_EXPIRES must be a ' \
+                  'datetime.timedelta, int or False'
             raise RuntimeError(err)
         return delta
 
     @property
     def refresh_expires(self):
         delta = current_app.config['JWT_REFRESH_TOKEN_EXPIRES']
+        if type(delta) is int:
+            delta = datetime.timedelta(seconds=delta)
         if not isinstance(delta, datetime.timedelta) and delta is not False:
-            err = 'JWT_REFRESH_TOKEN_EXPIRES must be a datetime.timedelta or False'
+            err = 'JWT_REFRESH_TOKEN_EXPIRES must be a ' \
+                  'datetime.timedelta, int or False'
             raise RuntimeError(err)
         return delta
 

tests/test_config.py

@@ -180,6 +180,15 @@ def test_tokens_never_expire(app):
         assert config.refresh_expires is False
 
 
+def test_tokens_with_int_values(app):
+    app.config['JWT_ACCESS_TOKEN_EXPIRES'] = 300
+    app.config['JWT_REFRESH_TOKEN_EXPIRES'] = 432000
+
+    with app.test_request_context():
+        assert config.access_expires == timedelta(minutes=5)
+        assert config.refresh_expires == timedelta(days=5)
+
+
 # noinspection PyStatementEffect
 def test_symmetric_secret_key(app):
     with app.test_request_context():