Fix inject_url_defaults for nested blueprints

It now takes account of the fact that blueprints can be nested.
2021-05-15 16:39:09 +01:00 · 2021-05-15 16:39:09 +01:00 · 735b6abf46
commit 735b6abf46
parent fdcc62be82
1 changed files with 4 additions and 2 deletions
--- a/src/flask/app.py
+++ b/src/flask/app.py
@ -1783,8 +1783,10 @@ class Flask(Scaffold):
        """
        funcs: t.Iterable[URLDefaultCallable] = self.url_default_functions[None]
        if "." in endpoint:
-            bp = endpoint.rsplit(".", 1)[0]
-            funcs = chain(funcs, self.url_default_functions[bp])
+            bps = reversed(endpoint.split(".")[:-1])
+            for bp in bps:
+                funcs = chain(funcs, self.url_default_functions[bp])
+
        for func in funcs:
            func(endpoint, values)