678f284015
* Upgrade pylint to 1.8.1 * Fix no-else-return * Fix bad-whitespace * Fix too-many-nested-blocks * Fix raising-format-tuple See https://github.com/PyCQA/pylint/blob/master/doc/whatsnew/1.8.rst * Fix len-as-condition * Fix logging-not-lazy Not sure about that TEMP_CELSIUS though, but internally it's probably just like if you concatenated any other (variable) string * Fix stop-iteration-return * Fix useless-super-delegation * Fix trailing-comma-tuple Both of these seem to simply be bugs: * Nest: The value of self._humidity never seems to be used anywhere * Dovado: The called API method seems to expect a "normal" number * Fix redefined-argument-from-local * Fix consider-using-enumerate * Fix wrong-import-order * Fix arguments-differ * Fix missed no-else-return * Fix no-member and related * Fix signatures-differ * Revert "Upgrade pylint to 1.8.1" This reverts commit af78aa00f125a7d34add97b9d50c14db48412211. * Fix arguments-differ * except for device_tracker * Cleanup * Fix test using positional argument * Fix line too long I forgot to run flake8 - shame on me... 🙃 * Fix bad-option-value for 1.6.5 * Fix arguments-differ for device_tracker * Upgrade pylint to 1.8.2 * 👕 Fix missed no-member
91 lines
2.6 KiB
Python
91 lines
2.6 KiB
Python
"""
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LIRC interface to receive signals from an infrared remote control.
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For more details about this component, please refer to the documentation at
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https://home-assistant.io/components/lirc/
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"""
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# pylint: disable=import-error,no-member
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import threading
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import time
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import logging
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import voluptuous as vol
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from homeassistant.const import (
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EVENT_HOMEASSISTANT_STOP, EVENT_HOMEASSISTANT_START)
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REQUIREMENTS = ['python-lirc==1.2.3']
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_LOGGER = logging.getLogger(__name__)
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BUTTON_NAME = 'button_name'
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DOMAIN = 'lirc'
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EVENT_IR_COMMAND_RECEIVED = 'ir_command_received'
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ICON = 'mdi:remote'
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CONFIG_SCHEMA = vol.Schema({
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DOMAIN: vol.Schema({}),
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}, extra=vol.ALLOW_EXTRA)
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def setup(hass, config):
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"""Set up the LIRC capability."""
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import lirc
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# blocking=True gives unexpected behavior (multiple responses for 1 press)
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# also by not blocking, we allow hass to shut down the thread gracefully
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# on exit.
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lirc.init('home-assistant', blocking=False)
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lirc_interface = LircInterface(hass)
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def _start_lirc(_event):
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lirc_interface.start()
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def _stop_lirc(_event):
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lirc_interface.stopped.set()
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hass.bus.listen_once(EVENT_HOMEASSISTANT_START, _start_lirc)
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hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, _stop_lirc)
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return True
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class LircInterface(threading.Thread):
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"""
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This interfaces with the lirc daemon to read IR commands.
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When using lirc in blocking mode, sometimes repeated commands get produced
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in the next read of a command so we use a thread here to just wait
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around until a non-empty response is obtained from lirc.
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"""
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def __init__(self, hass):
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"""Construct a LIRC interface object."""
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threading.Thread.__init__(self)
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self.daemon = True
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self.stopped = threading.Event()
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self.hass = hass
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def run(self):
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"""Run the loop of the LIRC interface thread."""
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import lirc
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_LOGGER.debug("LIRC interface thread started")
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while not self.stopped.isSet():
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try:
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code = lirc.nextcode() # list; empty if no buttons pressed
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except lirc.NextCodeError:
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_LOGGER.warning("Error reading next code from LIRC")
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code = None
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# interpret result from python-lirc
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if code:
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code = code[0]
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_LOGGER.info("Got new LIRC code %s", code)
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self.hass.bus.fire(
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EVENT_IR_COMMAND_RECEIVED, {BUTTON_NAME: code})
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else:
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time.sleep(0.2)
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lirc.deinit()
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_LOGGER.debug('LIRC interface thread stopped')
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