Addressed the comments in the issue. pep8+pylint seem fine now. (still works, too.)

homeassistant/bootstrap.py

@@ -150,8 +150,8 @@ def from_config_file(config_path, enable_logging=True):
     if has_section("process"):
         process = load_module('process')
 
-        kwargs = dict(config.items('process'))
-        add_status("process", process.setup(bus, statemachine, **kwargs))
+        processes = dict(config.items('process'))
+        add_status("process", process.setup(hass, processes))
 
     # Light control
     if has_section("light.hue"):

homeassistant/components/process.py

@@ -9,8 +9,8 @@
 # Copyright (c) 2014 Markus Stenberg
 #
 # Created:       Wed Apr 23 23:33:26 2014 mstenber
-# Last modified: Wed Apr 23 23:48:13 2014 mstenber
-# Edit time:     13 min
+# Last modified: Thu Apr 24 17:13:04 2014 mstenber
+# Edit time:     19 min
 #
 """
 
@@ -20,40 +20,32 @@ The arguments are <subentityname>=<substring to find in process list>
 
 """
 
-import homeassistant as ha
 from homeassistant.components import (STATE_ON, STATE_OFF)
 import os
 
 DOMAIN = 'process'
 ENTITY_ID_FORMAT = DOMAIN + '.{}'
+PS_STRING = 'ps awx'
 
-PS_STRING='ps awx'
 
-INTERVAL=30
+def setup(hass, processes):
+    """ Track local processes. """
 
-def setup(bus, statemachine, **processes):
-    _states = {}
-
-    def _update_process_state(t, force_reload=False):
-        with os.popen(PS_STRING, 'r') as f:
-            lines = list(iter(f))
-            for e, s in processes.items():
+    # pylint: disable=unused-argument
+    def _update_process_state(time):
+        """ Check ps for currently running processes. """
+        with os.popen(PS_STRING, 'r') as psfile:
+            lines = list(iter(psfile))
+            for pname, pstring in processes.items():
                 found = False
                 for line in lines:
-                    if s in line:
+                    if pstring in line:
                         found = True
                         break
-                if _states.get(e, None) == found:
-                    continue
-                _states[e] = found
-                entity_id = ENTITY_ID_FORMAT.format(e)
+                entity_id = ENTITY_ID_FORMAT.format(pname)
                 state = found and STATE_ON or STATE_OFF
-                statemachine.set_state(entity_id, state)
+                hass.states.set(entity_id, state)
 
-    _update_process_state(None, True)
-    kwargs = {}
-    if INTERVAL != ha.TIMER_INTERVAL:
-        kwargs['second'] = [0, INTERVAL]
-        assert INTERVAL > ha.TIMER_INTERVAL
-    ha.track_time_change(bus, _update_process_state)
+    _update_process_state(None)
+    hass.track_time_change(_update_process_state, second=[0, 30])
     return True