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2f7b79764a
## Description: More fixes flagged by pylint 2 that don't hurt to have before the actual pylint 2 upgrade (which I'll submit soon). ## Checklist: - [ ] The code change is tested and works locally. - [x] Local tests pass with `tox`. **Your PR cannot be merged unless tests pass**
110 lines
3.4 KiB
Python
110 lines
3.4 KiB
Python
"""
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Support for an exposed aREST RESTful API of a device.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/binary_sensor.arest/
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"""
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import logging
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from datetime import timedelta
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import requests
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import voluptuous as vol
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from homeassistant.components.binary_sensor import (
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BinarySensorDevice, PLATFORM_SCHEMA, DEVICE_CLASSES_SCHEMA)
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from homeassistant.const import (
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CONF_RESOURCE, CONF_PIN, CONF_NAME, CONF_DEVICE_CLASS)
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from homeassistant.util import Throttle
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=30)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_RESOURCE): cv.url,
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vol.Optional(CONF_NAME): cv.string,
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vol.Required(CONF_PIN): cv.string,
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vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
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})
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the aREST binary sensor."""
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resource = config.get(CONF_RESOURCE)
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pin = config.get(CONF_PIN)
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device_class = config.get(CONF_DEVICE_CLASS)
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try:
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response = requests.get(resource, timeout=10).json()
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except requests.exceptions.MissingSchema:
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_LOGGER.error("Missing resource or schema in configuration. "
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"Add http:// to your URL")
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return False
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except requests.exceptions.ConnectionError:
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_LOGGER.error("No route to device at %s", resource)
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return False
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arest = ArestData(resource, pin)
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add_devices([ArestBinarySensor(
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arest, resource, config.get(CONF_NAME, response[CONF_NAME]),
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device_class, pin)], True)
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class ArestBinarySensor(BinarySensorDevice):
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"""Implement an aREST binary sensor for a pin."""
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def __init__(self, arest, resource, name, device_class, pin):
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"""Initialize the aREST device."""
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self.arest = arest
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self._resource = resource
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self._name = name
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self._device_class = device_class
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self._pin = pin
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if self._pin is not None:
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request = requests.get(
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'{}/mode/{}/i'.format(self._resource, self._pin), timeout=10)
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if request.status_code != 200:
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_LOGGER.error("Can't set mode of %s", self._resource)
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@property
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def name(self):
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"""Return the name of the binary sensor."""
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return self._name
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@property
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def is_on(self):
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"""Return true if the binary sensor is on."""
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return bool(self.arest.data.get('state'))
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@property
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def device_class(self):
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"""Return the class of this sensor."""
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return self._device_class
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def update(self):
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"""Get the latest data from aREST API."""
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self.arest.update()
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class ArestData:
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"""Class for handling the data retrieval for pins."""
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def __init__(self, resource, pin):
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"""Initialize the aREST data object."""
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self._resource = resource
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self._pin = pin
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self.data = {}
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@Throttle(MIN_TIME_BETWEEN_UPDATES)
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def update(self):
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"""Get the latest data from aREST device."""
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try:
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response = requests.get('{}/digital/{}'.format(
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self._resource, self._pin), timeout=10)
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self.data = {'state': response.json()['return_value']}
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except requests.exceptions.ConnectionError:
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_LOGGER.error("No route to device '%s'", self._resource)
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