121 lines
3.9 KiB
Python
121 lines
3.9 KiB
Python
"""
|
|
Support for command roller shutters.
|
|
|
|
For more details about this platform, please refer to the documentation at
|
|
https://home-assistant.io/components/rollershutter.command_line/
|
|
"""
|
|
import logging
|
|
import subprocess
|
|
|
|
from homeassistant.components.rollershutter import RollershutterDevice
|
|
from homeassistant.const import CONF_VALUE_TEMPLATE
|
|
from homeassistant.helpers import template
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
|
|
def setup_platform(hass, config, add_devices_callback, discovery_info=None):
|
|
"""Setup roller shutter controlled by shell commands."""
|
|
rollershutters = config.get('rollershutters', {})
|
|
devices = []
|
|
|
|
for dev_name, properties in rollershutters.items():
|
|
devices.append(
|
|
CommandRollershutter(
|
|
hass,
|
|
properties.get('name', dev_name),
|
|
properties.get('upcmd', 'true'),
|
|
properties.get('downcmd', 'true'),
|
|
properties.get('stopcmd', 'true'),
|
|
properties.get('statecmd', False),
|
|
properties.get(CONF_VALUE_TEMPLATE, '{{ value }}')))
|
|
add_devices_callback(devices)
|
|
|
|
|
|
# pylint: disable=abstract-method
|
|
# pylint: disable=too-many-arguments, too-many-instance-attributes
|
|
class CommandRollershutter(RollershutterDevice):
|
|
"""Representation a command line roller shutter."""
|
|
|
|
# pylint: disable=too-many-arguments
|
|
def __init__(self, hass, name, command_up, command_down, command_stop,
|
|
command_state, value_template):
|
|
"""Initialize the roller shutter."""
|
|
self._hass = hass
|
|
self._name = name
|
|
self._state = None
|
|
self._command_up = command_up
|
|
self._command_down = command_down
|
|
self._command_stop = command_stop
|
|
self._command_state = command_state
|
|
self._value_template = value_template
|
|
|
|
@staticmethod
|
|
def _move_rollershutter(command):
|
|
"""Execute the actual commands."""
|
|
_LOGGER.info('Running command: %s', command)
|
|
|
|
success = (subprocess.call(command, shell=True) == 0)
|
|
|
|
if not success:
|
|
_LOGGER.error('Command failed: %s', command)
|
|
|
|
return success
|
|
|
|
@staticmethod
|
|
def _query_state_value(command):
|
|
"""Execute state command for return value."""
|
|
_LOGGER.info('Running state command: %s', command)
|
|
|
|
try:
|
|
return_value = subprocess.check_output(command, shell=True)
|
|
return return_value.strip().decode('utf-8')
|
|
except subprocess.CalledProcessError:
|
|
_LOGGER.error('Command failed: %s', command)
|
|
|
|
@property
|
|
def should_poll(self):
|
|
"""Only poll if we have state command."""
|
|
return self._command_state is not None
|
|
|
|
@property
|
|
def name(self):
|
|
"""Return the name of the roller shutter."""
|
|
return self._name
|
|
|
|
@property
|
|
def current_position(self):
|
|
"""Return current position of roller shutter.
|
|
|
|
None is unknown, 0 is closed, 100 is fully open.
|
|
"""
|
|
return self._state
|
|
|
|
def _query_state(self):
|
|
"""Query for the state."""
|
|
if not self._command_state:
|
|
_LOGGER.error('No state command specified')
|
|
return
|
|
return self._query_state_value(self._command_state)
|
|
|
|
def update(self):
|
|
"""Update device state."""
|
|
if self._command_state:
|
|
payload = str(self._query_state())
|
|
if self._value_template:
|
|
payload = template.render_with_possible_json_value(
|
|
self._hass, self._value_template, payload)
|
|
self._state = int(payload)
|
|
|
|
def move_up(self, **kwargs):
|
|
"""Move the roller shutter up."""
|
|
self._move_rollershutter(self._command_up)
|
|
|
|
def move_down(self, **kwargs):
|
|
"""Move the roller shutter down."""
|
|
self._move_rollershutter(self._command_down)
|
|
|
|
def stop(self, **kwargs):
|
|
"""Stop the device."""
|
|
self._move_rollershutter(self._command_stop)
|