Add re.sub for blueprint add_url_rule handler, prevent '/a//b/'(bluep…

…rint.url_prefix='/a/' and the route is '/b/') happened.
pallets · Feb 23, 2018 · 0887245 · 0887245
1 parent f808c20
commit 0887245
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/flask/blueprints.py b/flask/blueprints.py
@@ -10,6 +10,7 @@
     :license: BSD, see LICENSE for more details.
 """
 
+import re
 from functools import update_wrapper
 
 from .helpers import _PackageBoundObject, _endpoint_from_view_func
@@ -67,6 +68,7 @@ def add_url_rule(self, rule, endpoint=None, view_func=None, **options):
         """
         if self.url_prefix:
             rule = self.url_prefix + rule
+            rule = re.sub('/+', '/', rule)
         options.setdefault('subdomain', self.subdomain)
         if endpoint is None:
             endpoint = _endpoint_from_view_func(view_func)