provide sms notifications via messagebird

.coveragerc

@@ -109,6 +109,7 @@ omit =
     homeassistant/components/notify/free_mobile.py
     homeassistant/components/notify/googlevoice.py
     homeassistant/components/notify/instapush.py
+    homeassistant/components/notify/message_bird.py
     homeassistant/components/notify/nma.py
     homeassistant/components/notify/pushbullet.py
     homeassistant/components/notify/pushetta.py

homeassistant/components/notify/message_bird.py

@@ -0,0 +1,77 @@
+"""
+MessageBird platform for notify component.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/notify.message_bird/
+"""
+import logging
+
+from homeassistant.components.notify import (
+    ATTR_TARGET, BaseNotificationService)
+from homeassistant.const import CONF_API_KEY
+
+CONF_SENDER = 'sender'
+
+_LOGGER = logging.getLogger(__name__)
+REQUIREMENTS = ['messagebird==1.1.1']
+
+
+def is_valid_sender(sender):
+    """Test if the sender config option is valid."""
+    length = len(sender)
+    if length > 1:
+        if sender[0] == '+':
+            return sender[1:].isdigit()
+        elif length <= 11:
+            return sender.isalpha()
+    return False
+
+
+# pylint: disable=unused-argument
+def get_service(hass, config):
+    """Get the MessageBird notification service."""
+    from messagebird import Client
+
+    if CONF_API_KEY not in config:
+        _LOGGER.error("Unable to find config key '%s'", CONF_API_KEY)
+        return None
+
+    sender = config.get(CONF_SENDER, 'HA')
+    if not is_valid_sender(sender):
+        _LOGGER.error('Sender is invalid: It must be a phone number or ' +
+                      'a string not longer than 11 characters.')
+        return None
+
+    return MessageBirdNotificationService(sender, Client(config[CONF_API_KEY]))
+
+
+# pylint: disable=too-few-public-methods
+class MessageBirdNotificationService(BaseNotificationService):
+    """Implement the notification service for MessageBird."""
+
+    def __init__(self, sender, client):
+        """Initialize the service."""
+        self.sender = sender
+        self.client = client
+
+    def send_message(self, message=None, **kwargs):
+        """Send a message to a specified target."""
+        from messagebird.client import ErrorException
+
+        targets = kwargs.get(ATTR_TARGET)
+        if not targets:
+            _LOGGER.error('No target specified.')
+            return
+
+        if not isinstance(targets, list):
+            targets = [targets]
+
+        for target in targets:
+            try:
+                self.client.message_create(self.sender,
+                                           target,
+                                           message,
+                                           {'reference': 'HA'})
+            except ErrorException as exception:
+                _LOGGER.error('Failed to notify %s: %s', target, exception)
+                continue

requirements_all.txt

@@ -114,6 +114,9 @@ liffylights==0.9.4
 # homeassistant.components.light.limitlessled
 limitlessled==1.0.0
 
+# homeassistant.components.notify.message_bird
+messagebird==1.1.1
+
 # homeassistant.components.sensor.mfi
 # homeassistant.components.switch.mfi
 mficlient==0.3.0