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Fast, simple object-to-object and broadcast signaling

Project description

Blinker provides a fast dispatching system that allows any number of interested parties to subscribe to events, or “signals”.

Signal receivers can subscribe to specific senders or receive signals sent by any sender.

>>> from blinker import signal
>>> started = signal('round-started')
>>> def each(round):
...     print "Round %s!" % round
>>> started.connect(each)
>>> def round_two(round):
...     print "This is round two."
>>> started.connect(round_two, sender=2)
>>> for round in range(1, 4):
...     started.send(round)
Round 1!
Round 2!
This is round two.
Round 3!

Changelog Summary

0.9 (February 26, 2010)
  • Sphinx docs, project website

  • Added with a_signal.temporarily_connected_to(receiver): ... support

0.8 (February 14, 2010)
  • First independent release separate from flatland

  • “sender” is now a positional, not keyword, argument

Project details

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