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fix: template_filter function

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This commit is contained in:
Pravin Kamble 2025-06-17 23:03:19 +05:30
parent 85c5d93cbd
commit b6618c687d
1 changed files with 5 additions and 3 deletions
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8
src/flask/sansio/app.py
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@ -662,7 +662,7 @@ class App(Scaffold):
@setupmethod @setupmethod
def template_filter( def template_filter(
self, name: str | None = None self, f: T_template_filter | None = None, name: str | None = None
) -> t.Callable[[T_template_filter], T_template_filter]: ) -> t.Callable[[T_template_filter], T_template_filter]:
"""A decorator that is used to register custom template filter. """A decorator that is used to register custom template filter.
You can specify a name for the filter, otherwise the function You can specify a name for the filter, otherwise the function
@ -679,8 +679,10 @@ class App(Scaffold):
def decorator(f: T_template_filter) -> T_template_filter: def decorator(f: T_template_filter) -> T_template_filter:
self.add_template_filter(f, name=name) self.add_template_filter(f, name=name)
return f return f
return decorator if not f:
return decorator
return decorator(f)
@setupmethod @setupmethod
def add_template_filter( def add_template_filter(