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Add better types for app decorators

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This commit is contained in:
Tushar Sadhwani 2022-03-08 20:13:30 +05:30
parent 8122973f8a
commit af34b8c9e7
1 changed files with 13 additions and 8 deletions
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21
src/flask/scaffold.py
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@ -369,48 +369,53 @@ class Scaffold:
return open(os.path.join(self.root_path, resource), mode)
def _method_route(self, method: str, rule: str, options: dict) -> t.Callable:
def _method_route(
self,
method: str,
rule: str,
options: dict,
) -> t.Callable[[F], F]:
if "methods" in options:
raise TypeError("Use the 'route' decorator to use the 'methods' argument.")
return self.route(rule, methods=[method], **options)
def get(self, rule: str, **options: t.Any) -> t.Callable:
def get(self, rule: str, **options: t.Any) -> t.Callable[[F], F]:
"""Shortcut for :meth:`route` with ``methods=["GET"]``.
.. versionadded:: 2.0
"""
return self._method_route("GET", rule, options)
def post(self, rule: str, **options: t.Any) -> t.Callable:
def post(self, rule: str, **options: t.Any) -> t.Callable[[F], F]:
"""Shortcut for :meth:`route` with ``methods=["POST"]``.
.. versionadded:: 2.0
"""
return self._method_route("POST", rule, options)
def put(self, rule: str, **options: t.Any) -> t.Callable:
def put(self, rule: str, **options: t.Any) -> t.Callable[[F], F]:
"""Shortcut for :meth:`route` with ``methods=["PUT"]``.
.. versionadded:: 2.0
"""
return self._method_route("PUT", rule, options)
def delete(self, rule: str, **options: t.Any) -> t.Callable:
def delete(self, rule: str, **options: t.Any) -> t.Callable[[F], F]:
"""Shortcut for :meth:`route` with ``methods=["DELETE"]``.
.. versionadded:: 2.0
"""
return self._method_route("DELETE", rule, options)
def patch(self, rule: str, **options: t.Any) -> t.Callable:
def patch(self, rule: str, **options: t.Any) -> t.Callable[[F], F]:
"""Shortcut for :meth:`route` with ``methods=["PATCH"]``.
.. versionadded:: 2.0
"""
return self._method_route("PATCH", rule, options)
def route(self, rule: str, **options: t.Any) -> t.Callable:
def route(self, rule: str, **options: t.Any) -> t.Callable[[F], F]:
"""Decorate a view function to register it with the given URL
rule and options. Calls :meth:`add_url_rule`, which has more
details about the implementation.
@ -434,7 +439,7 @@ class Scaffold:
:class:`~werkzeug.routing.Rule` object.
"""
def decorator(f: t.Callable) -> t.Callable:
def decorator(f: F) -> F:
endpoint = options.pop("endpoint", None)
self.add_url_rule(rule, endpoint, f, **options)
return f