Tesla platform (#9211)

* Tesla support implemetation

* requirements_all.txt fix

* .coveragerc fix

* logging-too-many-args fix

* logging-too-many-args attempt 2

* Post-review fixes.

* requirements version fix

* requirements

* Lint fix

* Hot fix

* requirements_all.txt fix

* Review preparation.

* 1. Linting fix.
2. Minimal value for SCAN_INTERVAL hardcoded to 300 sec (to prevent possible ban form Tesla)

* Removed redundant whitespace.

* Fixed components according to @MartinHjelmare proposals and remarks.

* .coveragerc as @MartinHjelmare suggested.

* Minor changes

* Fix docstrings

* Update ordering

* Update quotes

* Minor changes

* Update quotes

homeassistant/components/lock/tesla.py

@@ -0,0 +1,57 @@
+"""
+Support for Tesla door locks.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/lock.tesla/
+"""
+import logging
+
+from homeassistant.components.lock import ENTITY_ID_FORMAT, LockDevice
+from homeassistant.components.tesla import DOMAIN as TESLA_DOMAIN, TeslaDevice
+from homeassistant.const import STATE_LOCKED, STATE_UNLOCKED
+
+_LOGGER = logging.getLogger(__name__)
+
+DEPENDENCIES = ['tesla']
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up the Tesla lock platform."""
+    devices = [TeslaLock(device, hass.data[TESLA_DOMAIN]['controller'])
+               for device in hass.data[TESLA_DOMAIN]['devices']['lock']]
+    add_devices(devices, True)
+
+
+class TeslaLock(TeslaDevice, LockDevice):
+    """Representation of a Tesla door lock."""
+
+    def __init__(self, tesla_device, controller):
+        """Initialisation of the lock."""
+        self._state = None
+        super().__init__(tesla_device, controller)
+        self._name = self.tesla_device.name
+        self.entity_id = ENTITY_ID_FORMAT.format(self.tesla_id)
+
+    def lock(self, **kwargs):
+        """Send the lock command."""
+        _LOGGER.debug("Locking doors for: %s", self._name)
+        self.tesla_device.lock()
+        self._state = STATE_LOCKED
+
+    def unlock(self, **kwargs):
+        """Send the unlock command."""
+        _LOGGER.debug("Unlocking doors for: %s", self._name)
+        self.tesla_device.unlock()
+        self._state = STATE_UNLOCKED
+
+    @property
+    def is_locked(self):
+        """Get whether the lock is in locked state."""
+        return self._state == STATE_LOCKED
+
+    def update(self):
+        """Updating state of the lock."""
+        _LOGGER.debug("Updating state for: %s", self._name)
+        self.tesla_device.update()
+        self._state = STATE_LOCKED if self.tesla_device.is_locked() \
+            else STATE_UNLOCKED