Running periodic tasks

homeassistant/components/automation/time.py

@@ -35,8 +35,8 @@ def trigger(hass, config, action):
     elif (CONF_HOURS in config or CONF_MINUTES in config or
           CONF_SECONDS in config):
         hours = convert(config.get(CONF_HOURS), int)
-        minutes = convert(config.get(CONF_MINUTES), int)
-        seconds = convert(config.get(CONF_SECONDS), int)
+        minutes = config.get(CONF_MINUTES)
+        seconds = config.get(CONF_SECONDS)
     else:
         _LOGGER.error('One of %s, %s, %s OR %s needs to be specified',
                       CONF_HOURS, CONF_MINUTES, CONF_SECONDS, CONF_AFTER)

homeassistant/helpers/event.py

@@ -3,6 +3,7 @@ Helpers for listening to events
 """
 from datetime import timedelta
 import functools as ft
+from ..util import convert
 
 from ..util import dt as dt_util
 from ..const import (
@@ -199,6 +200,8 @@ def _process_match_param(parameter):
     """ Wraps parameter in a tuple if it is not one and returns it. """
     if parameter is None or parameter == MATCH_ALL:
         return MATCH_ALL
+    elif isinstance(parameter, str) and parameter.startswith('/'):
+        return tuple(range(0, 60, convert(parameter.lstrip('/'), int)))
     elif isinstance(parameter, str) or not hasattr(parameter, '__iter__'):
         return (parameter,)
     else:

tests/helpers/test_event.py

@@ -219,3 +219,21 @@ class TestEventHelpers(unittest.TestCase):
     def _send_time_changed(self, now):
         """ Send a time changed event. """
         self.hass.bus.fire(ha.EVENT_TIME_CHANGED, {ha.ATTR_NOW: now})
+
+    def test_periodic_task(self):
+        specific_runs = []
+
+        track_utc_time_change(
+            self.hass, lambda x: specific_runs.append(1), minute='/5')
+
+        self._send_time_changed(datetime(2014, 5, 24, 12, 0, 0))
+        self.hass.pool.block_till_done()
+        self.assertEqual(1, len(specific_runs))
+
+        self._send_time_changed(datetime(2014, 5, 24, 12, 3, 0))
+        self.hass.pool.block_till_done()
+        self.assertEqual(1, len(specific_runs))
+
+        self._send_time_changed(datetime(2014, 5, 24, 12, 5, 0))
+        self.hass.pool.block_till_done()
+        self.assertEqual(2, len(specific_runs))