Add Shodan sensor (#8902)

.coveragerc

@@ -496,6 +496,7 @@ omit =
     homeassistant/components/sensor/scrape.py
     homeassistant/components/sensor/sensehat.py
     homeassistant/components/sensor/serial_pm.py
+    homeassistant/components/sensor/shodan.py
     homeassistant/components/sensor/skybeacon.py
     homeassistant/components/sensor/sma.py
     homeassistant/components/sensor/snmp.py

homeassistant/components/sensor/shodan.py

@@ -0,0 +1,110 @@
+"""
+Sensor for displaying the number of result on Shodan.io.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/sensor.shodan/
+"""
+import logging
+from datetime import timedelta
+
+import voluptuous as vol
+
+import homeassistant.helpers.config_validation as cv
+from homeassistant.components.sensor import PLATFORM_SCHEMA
+from homeassistant.const import ATTR_ATTRIBUTION, CONF_API_KEY, CONF_NAME
+from homeassistant.helpers.entity import Entity
+
+REQUIREMENTS = ['shodan==1.7.4']
+
+_LOGGER = logging.getLogger(__name__)
+
+ATTRIBUTION = "Data provided by Shodan"
+
+CONF_QUERY = 'query'
+
+DEFAULT_NAME = 'Shodan Sensor'
+
+ICON = 'mdi:tooltip-text'
+
+SCAN_INTERVAL = timedelta(minutes=15)
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_API_KEY): cv.string,
+    vol.Required(CONF_QUERY): cv.string,
+    vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
+})
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up the Shodan sensor."""
+    import shodan
+
+    api_key = config.get(CONF_API_KEY)
+    name = config.get(CONF_NAME)
+    query = config.get(CONF_QUERY)
+
+    data = ShodanData(shodan.Shodan(api_key), query)
+    try:
+        data.update()
+    except shodan.exception.APIError as error:
+        _LOGGER.warning("Unable to connect to Shodan.io: %s", error)
+        return False
+
+    add_devices([ShodanSensor(data, name)], True)
+
+
+class ShodanSensor(Entity):
+    """Representation of the Shodan sensor."""
+
+    def __init__(self, data, name):
+        """Initialize the Shodan sensor."""
+        self.data = data
+        self._name = name
+        self._state = None
+        self._unit_of_measurement = 'Hits'
+
+    @property
+    def name(self):
+        """Return the name of the sensor."""
+        return self._name
+
+    @property
+    def state(self):
+        """Return the state of the sensor."""
+        return self._state
+
+    @property
+    def unit_of_measurement(self):
+        """Return the unit the value is expressed in."""
+        return self._unit_of_measurement
+
+    @property
+    def icon(self):
+        """Return the icon to use in the frontend, if any."""
+        return ICON
+
+    @property
+    def device_state_attributes(self):
+        """Return the state attributes of the sensor."""
+        return {
+            ATTR_ATTRIBUTION: ATTRIBUTION,
+        }
+
+    def update(self):
+        """Get the latest data and updates the states."""
+        self.data.update()
+        self._state = self.data.details['total']
+
+
+class ShodanData(object):
+    """Get the latest data and update the states."""
+
+    def __init__(self, api, query):
+        """Initialize the data object."""
+        self._api = api
+        self._query = query
+        self.details = None
+
+    def update(self):
+        """Get the latest data from shodan.io."""
+        self.details = self._api.count(self._query)

requirements_all.txt

@@ -871,6 +871,9 @@ sense-hat==2.2.0
 # homeassistant.components.media_player.aquostv
 sharp_aquos_rc==0.3.2
 
+# homeassistant.components.sensor.shodan
+shodan==1.7.4
+
 # homeassistant.components.alarm_control_panel.simplisafe
 simplisafe-python==1.0.4