f2a2d6bfa1
* Refactory of envisalink * remove event buss * init dispatcher from hass. * Move platform to new dispatcher * fix lint * add unittest & threadded functions * fix copy & past error
42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
"""Helpers for hass dispatcher & internal component / platform."""
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from homeassistant.core import callback
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DATA_DISPATCHER = 'dispatcher'
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def dispatcher_connect(hass, signal, target):
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"""Connect a callable function to a singal."""
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hass.add_job(async_dispatcher_connect, hass, signal, target)
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@callback
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def async_dispatcher_connect(hass, signal, target):
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"""Connect a callable function to a singal.
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This method must be run in the event loop.
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"""
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if DATA_DISPATCHER not in hass.data:
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hass.data[DATA_DISPATCHER] = {}
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if signal not in hass.data[DATA_DISPATCHER]:
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hass.data[DATA_DISPATCHER][signal] = []
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hass.data[DATA_DISPATCHER][signal].append(target)
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def dispatcher_send(hass, signal, *args):
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"""Send signal and data."""
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hass.add_job(async_dispatcher_send, hass, signal, *args)
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@callback
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def async_dispatcher_send(hass, signal, *args):
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"""Send signal and data.
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This method must be run in the event loop.
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"""
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target_list = hass.data.get(DATA_DISPATCHER, {}).get(signal, [])
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for target in target_list:
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hass.async_add_job(target, *args)
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