165 lines
4.8 KiB
Python
165 lines
4.8 KiB
Python
"""Support for command line covers."""
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import logging
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import voluptuous as vol
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from homeassistant.components.cover import PLATFORM_SCHEMA, CoverEntity
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from homeassistant.const import (
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CONF_COMMAND_CLOSE,
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CONF_COMMAND_OPEN,
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CONF_COMMAND_STATE,
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CONF_COMMAND_STOP,
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CONF_COVERS,
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CONF_FRIENDLY_NAME,
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CONF_VALUE_TEMPLATE,
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)
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.reload import setup_reload_service
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from . import call_shell_with_timeout, check_output_or_log
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from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT, DOMAIN, PLATFORMS
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_LOGGER = logging.getLogger(__name__)
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COVER_SCHEMA = vol.Schema(
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{
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vol.Optional(CONF_COMMAND_CLOSE, default="true"): cv.string,
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vol.Optional(CONF_COMMAND_OPEN, default="true"): cv.string,
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vol.Optional(CONF_COMMAND_STATE): cv.string,
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vol.Optional(CONF_COMMAND_STOP, default="true"): cv.string,
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vol.Optional(CONF_FRIENDLY_NAME): cv.string,
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vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
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vol.Optional(CONF_COMMAND_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int,
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}
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)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{vol.Required(CONF_COVERS): cv.schema_with_slug_keys(COVER_SCHEMA)}
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)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up cover controlled by shell commands."""
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setup_reload_service(hass, DOMAIN, PLATFORMS)
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devices = config.get(CONF_COVERS, {})
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covers = []
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for device_name, device_config in devices.items():
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value_template = device_config.get(CONF_VALUE_TEMPLATE)
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if value_template is not None:
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value_template.hass = hass
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covers.append(
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CommandCover(
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hass,
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device_config.get(CONF_FRIENDLY_NAME, device_name),
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device_config[CONF_COMMAND_OPEN],
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device_config[CONF_COMMAND_CLOSE],
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device_config[CONF_COMMAND_STOP],
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device_config.get(CONF_COMMAND_STATE),
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value_template,
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device_config[CONF_COMMAND_TIMEOUT],
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)
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)
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if not covers:
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_LOGGER.error("No covers added")
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return False
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add_entities(covers)
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class CommandCover(CoverEntity):
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"""Representation a command line cover."""
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def __init__(
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self,
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hass,
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name,
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command_open,
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command_close,
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command_stop,
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command_state,
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value_template,
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timeout,
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):
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"""Initialize the cover."""
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self._hass = hass
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self._name = name
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self._state = None
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self._command_open = command_open
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self._command_close = command_close
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self._command_stop = command_stop
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self._command_state = command_state
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self._value_template = value_template
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self._timeout = timeout
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def _move_cover(self, command):
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"""Execute the actual commands."""
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_LOGGER.info("Running command: %s", command)
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success = call_shell_with_timeout(command, self._timeout) == 0
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if not success:
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_LOGGER.error("Command failed: %s", command)
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return success
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def _query_state_value(self, command):
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"""Execute state command for return value."""
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_LOGGER.info("Running state value command: %s", command)
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return check_output_or_log(command, self._timeout)
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@property
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def should_poll(self):
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"""Only poll if we have state command."""
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return self._command_state is not None
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@property
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def name(self):
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"""Return the name of the cover."""
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return self._name
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@property
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def is_closed(self):
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"""Return if the cover is closed."""
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if self.current_cover_position is not None:
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return self.current_cover_position == 0
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@property
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def current_cover_position(self):
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"""Return current position of cover.
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None is unknown, 0 is closed, 100 is fully open.
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"""
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return self._state
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def _query_state(self):
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"""Query for the state."""
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if not self._command_state:
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_LOGGER.error("No state command specified")
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return
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return self._query_state_value(self._command_state)
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def update(self):
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"""Update device state."""
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if self._command_state:
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payload = str(self._query_state())
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if self._value_template:
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payload = self._value_template.render_with_possible_json_value(payload)
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self._state = int(payload)
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def open_cover(self, **kwargs):
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"""Open the cover."""
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self._move_cover(self._command_open)
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def close_cover(self, **kwargs):
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"""Close the cover."""
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self._move_cover(self._command_close)
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def stop_cover(self, **kwargs):
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"""Stop the cover."""
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self._move_cover(self._command_stop)
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