The C# language provides a handy way to declare, subscribe to and fire events. Technically, an event is a “slot” where callback functions (event handlers) can be attached to - a process referred to as subscribing to an event. Here is a handy package that encapsulates the core to event subscription and event firing and feels like a “natural” part of the language.
>>> def something_changed(reason):
... print "something changed because %s" % reason
...
>>> from events import Events
>>> events = Events()
>>> events.on_change += something_changedMultiple callback functions can subscribe to the same event. When the event is fired, all attached event handlers are invoked in sequence. To fire the event, perform a call on the slot:
>>> events.on_change('it had to happen')
'something changed because it had to happen'Documentation
Complete documentation is available at http://events.readthedocs.org
Installing
Events is on PyPI so all you need to do is:
pip install events
Testing
Just run:
python setup.py test
Or use tox to test the package under all supported Pythons: 2.6, 2.7, 3.3, 3.4.
License
Events is BSD licensed. See the LICENSE for details.
Contributing
Please see the Contribution Guidelines.
Attribution
Based on the excellent recipe by Zoran Isailovski, Copyright (c) 2005.
1 maintainer
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