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Project Description

Echo is a small library for attaching callback functions to property state changes. For example:

class Switch(object):
    state = CallbackProperty('off')

def report_change(state):
    print 'the switch is %s' % state

s = Switch()
add_callback(s, 'state', report_change)

s.state = 'on'  # prints 'the switch is on'

CalllbackProperties can also be built using decorators

class Switch(object):

      @callback_property
      def state(self):
        return self._state

      @state.setter
      def state(self, value):
          if value not in ['on', 'off']:
              raise ValueError("invalid setting")
          self._state = value

Full documentation is avilable here

Release History

Release History

0.1

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
echo-0.1.tar.gz (5.5 kB) Copy SHA256 Checksum SHA256 Source Mar 13, 2014

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