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Nick Pope bb64b99b78 Fixed #29867 -- Added support for storing None value in caches.
Many of the cache operations make use of the default argument to the
.get() operation to determine whether the key was found in the cache.
The default value of the default argument is None, so this results in
these operations assuming that None is not stored in the cache when it
actually is. Adding a sentinel object solves this issue.

Unfortunately the unmaintained python-memcached library does not support
a default argument to .get(), so the previous behavior is preserved for
the deprecated MemcachedCache backend.
2020-12-17 09:57:21 +01:00
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django Fixed #29867 -- Added support for storing None value in caches. 2020-12-17 09:57:21 +01:00
docs Fixed #29867 -- Added support for storing None value in caches. 2020-12-17 09:57:21 +01:00
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tests Fixed #29867 -- Added support for storing None value in caches. 2020-12-17 09:57:21 +01:00
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AUTHORS Fixed #32240 -- Made runserver suppress ConnectionAbortedError/ConnectionResetError errors. 2020-12-14 20:46:18 +01:00
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======
Django
======

Django is a high-level Python Web framework that encourages rapid development
and clean, pragmatic design. Thanks for checking it out.

All documentation is in the "``docs``" directory and online at
https://docs.djangoproject.com/en/stable/. If you're just getting started,
here's how we recommend you read the docs:

* First, read ``docs/intro/install.txt`` for instructions on installing Django.

* Next, work through the tutorials in order (``docs/intro/tutorial01.txt``,
  ``docs/intro/tutorial02.txt``, etc.).

* If you want to set up an actual deployment server, read
  ``docs/howto/deployment/index.txt`` for instructions.

* You'll probably want to read through the topical guides (in ``docs/topics``)
  next; from there you can jump to the HOWTOs (in ``docs/howto``) for specific
  problems, and check out the reference (``docs/ref``) for gory details.

* See ``docs/README`` for instructions on building an HTML version of the docs.

Docs are updated rigorously. If you find any problems in the docs, or think
they should be clarified in any way, please take 30 seconds to fill out a
ticket here: https://code.djangoproject.com/newticket

To get more help:

* Join the ``#django`` channel on irc.freenode.net. Lots of helpful people hang
  out there. See https://freenode.net/kb/answer/chat if you're new to IRC.

* Join the django-users mailing list, or read the archives, at
  https://groups.google.com/group/django-users.

To contribute to Django:

* Check out https://docs.djangoproject.com/en/dev/internals/contributing/ for
  information about getting involved.

To run Django's test suite:

* Follow the instructions in the "Unit tests" section of
  ``docs/internals/contributing/writing-code/unit-tests.txt``, published online at
  https://docs.djangoproject.com/en/dev/internals/contributing/writing-code/unit-tests/#running-the-unit-tests

Supporting the Development of Django
====================================

Django's development depends on your contributions. 

If you depend on Django, remember to support the Django Software Foundation: https://www.djangoproject.com/fundraising/