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improve typing for stream_with_context

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David Lord 2021-05-21 08:42:44 -07:00
parent 6b1c4e9769
commit 7ab934f6bc
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2 changed files with 5 additions and 2 deletions
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1
CHANGES.rst
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@ -35,6 +35,7 @@ Unreleased
same blueprint to be registered multiple times with unique names for same blueprint to be registered multiple times with unique names for
``url_for``. Registering the same blueprint with the same name ``url_for``. Registering the same blueprint with the same name
multiple times is deprecated. :issue:`1091` multiple times is deprecated. :issue:`1091`
- Improve typing for ``stream_with_context``. :issue:`4052`
Version 2.0.0 Version 2.0.0

6
src/flask/helpers.py
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@ -64,8 +64,10 @@ def get_load_dotenv(default: bool = True) -> bool:
def stream_with_context( def stream_with_context(
generator_or_function: t.Union[t.Generator, t.Callable] generator_or_function: t.Union[
) -> t.Generator: t.Iterator[t.AnyStr], t.Callable[..., t.Iterator[t.AnyStr]]
]
) -> t.Iterator[t.AnyStr]:
"""Request contexts disappear when the response is started on the server. """Request contexts disappear when the response is started on the server.
This is done for efficiency reasons and to make it less likely to encounter This is done for efficiency reasons and to make it less likely to encounter
memory leaks with badly written WSGI middlewares. The downside is that if memory leaks with badly written WSGI middlewares. The downside is that if