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Improve decorator factory type signatures

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These changes are required to preserve the type signatures of the
created decorators.
This commit is contained in:
Alex Hedges 2021-05-17 15:30:05 -04:00 • committed by Phil Jones
parent 8796b2a784
commit 10a36cb60e
3 changed files with 19 additions and 7 deletions
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12
src/flask/blueprints.py
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@ -387,7 +387,9 @@ class Blueprint(Scaffold):
)
)
def app_template_filter(self, name: t.Optional[str] = None) -> t.Callable:
def app_template_filter(
self, name: t.Optional[str] = None
) -> t.Callable[[TemplateFilterCallable], TemplateFilterCallable]:
"""Register a custom template filter, available application wide. Like
:meth:`Flask.template_filter` but for a blueprint.
@ -417,7 +419,9 @@ class Blueprint(Scaffold):
self.record_once(register_template)
def app_template_test(self, name: t.Optional[str] = None) -> t.Callable:
def app_template_test(
self, name: t.Optional[str] = None
) -> t.Callable[[TemplateTestCallable], TemplateTestCallable]:
"""Register a custom template test, available application wide. Like
:meth:`Flask.template_test` but for a blueprint.
@ -451,7 +455,9 @@ class Blueprint(Scaffold):
self.record_once(register_template)
def app_template_global(self, name: t.Optional[str] = None) -> t.Callable:
def app_template_global(
self, name: t.Optional[str] = None
) -> t.Callable[[TemplateGlobalCallable], TemplateGlobalCallable]:
"""Register a custom template global, available application wide. Like
:meth:`Flask.template_global` but for a blueprint.