Added rainsensor (#11023)

* Added rainsensor

Added rainsensor

* Added to coverage ignore

* Fixed issues

* script\gen_requirements_all.py

script\gen_requirements_all.py

* Gen requirements

* requirements

* requirements

* Fix docstring

* Fix log message

* Revert change

homeassistant/components/rainbird.py

@@ -0,0 +1,47 @@
+"""
+Support for Rain Bird Irrigation system LNK WiFi Module.
+
+For more details about this component, please refer to the documentation at
+https://home-assistant.io/components/rainbird/
+"""
+import logging
+
+import voluptuous as vol
+
+import homeassistant.helpers.config_validation as cv
+from homeassistant.const import (CONF_HOST, CONF_PASSWORD)
+
+REQUIREMENTS = ['pyrainbird==0.1.3']
+
+_LOGGER = logging.getLogger(__name__)
+
+DATA_RAINBIRD = 'rainbird'
+DOMAIN = 'rainbird'
+
+CONFIG_SCHEMA = vol.Schema({
+    DOMAIN: vol.Schema({
+        vol.Required(CONF_HOST): cv.string,
+        vol.Required(CONF_PASSWORD): cv.string,
+    }),
+}, extra=vol.ALLOW_EXTRA)
+
+
+def setup(hass, config):
+    """Set up the Rain Bird componenent."""
+    conf = config[DOMAIN]
+    server = conf.get(CONF_HOST)
+    password = conf.get(CONF_PASSWORD)
+
+    from pyrainbird import RainbirdController
+    controller = RainbirdController()
+    controller.setConfig(server, password)
+
+    _LOGGER.debug("Rain Bird Controller set to: %s", server)
+
+    initialstatus = controller.currentIrrigation()
+    if initialstatus == -1:
+        _LOGGER.error("Error getting state. Possible configuration issues")
+        return False
+
+    hass.data[DATA_RAINBIRD] = controller
+    return True