106 lines
3.3 KiB
Plaintext
106 lines
3.3 KiB
Plaintext
Metadata-Version: 2.1
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Name: blinker
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Version: 1.4
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Summary: Fast, simple object-to-object and broadcast signaling
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Home-page: http://pythonhosted.org/blinker/
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Author: Jason Kirtland
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Author-email: jek@discorporate.us
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License: MIT License
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Keywords: signal emit events broadcast
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Platform: UNKNOWN
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Classifier: Development Status :: 5 - Production/Stable
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Classifier: Intended Audience :: Developers
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Classifier: License :: OSI Approved :: MIT License
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Classifier: Operating System :: OS Independent
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Classifier: Programming Language :: Python
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Classifier: Programming Language :: Python :: 2
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Classifier: Programming Language :: Python :: 2.4
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Classifier: Programming Language :: Python :: 2.5
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Classifier: Programming Language :: Python :: 2.6
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Classifier: Programming Language :: Python :: 2.7
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Classifier: Programming Language :: Python :: 3
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Classifier: Programming Language :: Python :: 3.0
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Classifier: Programming Language :: Python :: 3.1
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Classifier: Programming Language :: Python :: 3.2
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Classifier: Programming Language :: Python :: 3.3
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Classifier: Programming Language :: Python :: 3.4
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Classifier: Topic :: Software Development :: Libraries
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Classifier: Topic :: Utilities
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License-File: LICENSE
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License-File: AUTHORS
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[](https://travis-ci.org/jek/blinker)
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# Blinker
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Blinker provides a fast dispatching system that allows any number of
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interested parties to subscribe to events, or "signals".
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Signal receivers can subscribe to specific senders or receive signals
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sent by any sender.
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>>> from blinker import signal
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>>> started = signal('round-started')
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>>> def each(round):
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... print "Round %s!" % round
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...
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>>> started.connect(each)
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>>> def round_two(round):
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... print "This is round two."
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...
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>>> started.connect(round_two, sender=2)
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>>> for round in range(1, 4):
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... started.send(round)
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...
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Round 1!
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Round 2!
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This is round two.
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Round 3!
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See the [Blinker documentation](https://pythonhosted.org/blinker/) for more information.
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## Requirements
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Blinker requires Python 2.4 or higher, Python 3.0 or higher, or Jython 2.5 or higher.
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## Changelog Summary
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1.3 (July 3, 2013)
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- The global signal stash behind blinker.signal() is now backed by a
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regular name-to-Signal dictionary. Previously, weak references were
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held in the mapping and ephemeral usage in code like
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``signal('foo').connect(...)`` could have surprising program behavior
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depending on import order of modules.
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- blinker.Namespace is now built on a regular dict. Use
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blinker.WeakNamespace for the older, weak-referencing behavior.
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- Signal.connect('text-sender') uses an alternate hashing strategy to
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avoid sharp edges in text identity.
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1.2 (October 26, 2011)
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- Added Signal.receiver_connected and Signal.receiver_disconnected
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per-Signal signals.
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- Deprecated the global 'receiver_connected' signal.
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- Verified Python 3.2 support (no changes needed!)
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1.1 (July 21, 2010)
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- Added ``@signal.connect_via(sender)`` decorator
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- Added ``signal.connected_to`` shorthand name for the
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``temporarily_connected_to`` context manager.
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1.0 (March 28, 2010)
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- Python 3.x compatibility
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0.9 (February 26, 2010)
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- Sphinx docs, project website
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- Added ``with a_signal.temporarily_connected_to(receiver): ...`` support
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