Add IDTECK proximity card component (#18309)

* Added IDTECK proximity card sensor component.

* Moved from sensor to platform

* Made requested standards changes

.coveragerc

@@ -552,6 +552,7 @@ omit =
     homeassistant/components/folder_watcher.py
     homeassistant/components/foursquare.py
     homeassistant/components/goalfeed.py
+    homeassistant/components/idteck_prox.py
     homeassistant/components/ifttt.py
     homeassistant/components/image_processing/dlib_face_detect.py
     homeassistant/components/image_processing/dlib_face_identify.py

homeassistant/components/idteck_prox.py

@@ -0,0 +1,75 @@
+"""Component for interfacing RFK101 proximity card readers.
+
+For more details about this component, please refer to the documentation at
+https://home-assistant.io/components/idteck_prox/
+"""
+import logging
+
+import voluptuous as vol
+
+import homeassistant.helpers.config_validation as cv
+from homeassistant.const import (
+    CONF_HOST, CONF_PORT, CONF_NAME, EVENT_HOMEASSISTANT_STOP)
+
+REQUIREMENTS = ['rfk101py==0.0.1']
+
+_LOGGER = logging.getLogger(__name__)
+
+DOMAIN = "idteck_prox"
+
+EVENT_IDTECK_PROX_KEYCARD = 'idteck_prox_keycard'
+
+CONFIG_SCHEMA = vol.Schema({
+    DOMAIN: vol.All(cv.ensure_list, [vol.Schema({
+        vol.Required(CONF_HOST): cv.string,
+        vol.Required(CONF_PORT): cv.port,
+        vol.Required(CONF_NAME): cv.string,
+    })])
+}, extra=vol.ALLOW_EXTRA)
+
+
+def setup(hass, config):
+    """Set up the IDTECK proximity card component."""
+    conf = config[DOMAIN]
+    for unit in conf:
+        host = unit[CONF_HOST]
+        port = unit[CONF_PORT]
+        name = unit[CONF_NAME]
+
+        try:
+            reader = IdteckReader(hass, host, port, name)
+            reader.connect()
+            hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, reader.stop)
+        except OSError as error:
+            _LOGGER.error('Error creating "%s". %s', name, error)
+            return False
+
+    return True
+
+
+class IdteckReader():
+    """Representation of an IDTECK proximity card reader."""
+
+    def __init__(self, hass, host, port, name):
+        """Initialize the reader."""
+        self.hass = hass
+        self._host = host
+        self._port = port
+        self._name = name
+        self._connection = None
+
+    def connect(self):
+        """Connect to the reader."""
+        from rfk101py.rfk101py import rfk101py
+        self._connection = rfk101py(self._host, self._port, self._callback)
+
+    def _callback(self, card):
+        """Send a keycard event message into HASS whenever a card is read."""
+        self.hass.bus.fire(
+            EVENT_IDTECK_PROX_KEYCARD, {'card': card, 'name': self._name})
+
+    def stop(self):
+        """Close resources."""
+        if self._connection:
+            self._connection.close()
+            self._connection = None

requirements_all.txt

@@ -1416,6 +1416,9 @@ regenmaschine==1.1.0
 # homeassistant.components.python_script
 restrictedpython==4.0b7
 
+# homeassistant.components.idteck_prox
+rfk101py==0.0.1
+
 # homeassistant.components.rflink
 rflink==0.0.37