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@@ -5,6 +5,111 @@
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.. contents::
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:local:
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+.. _version-2.5.2:
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+
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+2.5.2
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+=====
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+:release-date: 2012-04-13 05:00 P.M GMT
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+
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+.. _v252-news:
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+
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+* Django documentation has been moved to the main Celery docs.
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+
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+ See :ref:`django`.
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+
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+* New :signal:`celeryd_init` signal can be used to configure workers
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+ by hostname.
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+
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+* Signal.connect can now be used as a decorator.
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+
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+ Example:
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+
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+ .. code-block:: python
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+
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+ from celery.signals import task_sent
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+
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+ @task_sent.connect
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+ def on_task_sent(**kwargs):
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+ print("sent task: %r" % (kwargs, ))
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+
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+* Invalid task messages are now rejected instead of acked.
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+
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+ This means that they will be moved to the dead-letter queue
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+ introduced in the latest RabbitMQ version (but must be enabled
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+ manually, consult the RabbitMQ documentation).
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+
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+* Internal logging calls has been cleaned up to work
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+ better with tools like Sentry.
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+
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+ Contributed by David Cramer.
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+
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+* New method ``subtask.clone()`` can be used to clone an existing
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+ subtask with augmented arguments/options.
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+
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+ Example:
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+
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+ .. code-block:: python
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+
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+ >>> s = add.subtask((5, ))
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+ >>> new = s.clone(args=(10, ), countdown=5})
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+ >>> new.args
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+ (10, 5)
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+
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+ >>> new.options
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+ {"countdown": 5}
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+
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+.. _v252-fixes:
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+
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+* Programs now verifies that the pidfile is actually written correctly
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+ (Issue #641).
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+
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+ Hopefully this will crash the worker immediately if the system
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+ is out of space to store the complete pidfile.
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+
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+ In addition, we now verify that existing pidfiles contain
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+ a new line so that a partially written pidfile is detected as broken,
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+ as before doing:
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+
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+ echo -n "1" > celeryd.pid
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+
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+ would cause celeryd to think that an existing instance was already
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+ running (init has pid 1 after all).
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+
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+* Fixed 2.5 compatibility issue with use of print_exception.
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+
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+ Fix contributed by Martin Melin.
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+
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+* All programs now fix up ``__package__`` when called as main.
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+
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+ This fixes compatibility with Python 2.5.
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+
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+ Fix contributed by Martin Melin.
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+
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+* celeryctl can now be configured on the command line.
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+
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+ Like with celeryd it is now possible to configure celery settings
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+ on the command line for celeryctl::
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+
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+ $ celeryctl -- broker.pool_limit=30
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+
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+* Version dependency for python-dateutil fixed to be strict.
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+
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+ Fix contributed by Thomas Meson.
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+
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+* ``Task.__call__`` is now optimized away in the task tracer
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+ rather than when the task class is created.
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+
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+ This fixes a bug where a custom __call__ may mysteriously disappear.
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+
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+* Autoreload's inotify support has been improved.
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+
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+ Contributed by Mher Movsisyan.
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+
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+* The Django broker documentation has been improved.
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+
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+* Removed confusing warning at top of routing userguide.
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+
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+
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.. _version-2.5.1:
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2.5.1
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Ask Solem