--- a/bin/keyboardcomposer	Sat Jun 19 22:00:53 2010 +0000
+++ b/bin/keyboardcomposer	Sat Jun 19 22:24:39 2010 +0000
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 
 from __future__ import division, nested_scopes
-import cgi, os, sys, time, subprocess
+import cgi, os, sys, time, subprocess, logging
 from optparse import OptionParser
 import webcolors, colorsys
 
@@ -444,10 +444,13 @@
                       help="don't load or save levels")
     parser.add_option('--no-sliders', action='store_true',
                       help="don't attach to hardware sliders")
+    parser.add_option('-v', action='store_true', help="log info level")
     opts, args = parser.parse_args()
 
+    logging.basicConfig(level=logging.INFO if opts.v else logging.WARN)
+    log = logging.getLogger()
+
     graph = showconfig.getGraph()
-    
     s = Submasters(graph)
 
     root = Tk()

--- a/light9/Submaster.py	Sat Jun 19 22:00:53 2010 +0000
+++ b/light9/Submaster.py	Sat Jun 19 22:24:39 2010 +0000
@@ -1,5 +1,5 @@
 from __future__ import division
-import os
+import os, logging
 from rdflib.Graph import Graph
 from rdflib import RDFS, Literal, BNode
 from light9.namespaces import L9, XSD
@@ -9,6 +9,7 @@
     import dispatch.dispatcher as dispatcher
 except ImportError:
     from louie import dispatcher
+log = logging.getLogger()
 
 class Submaster:
     "Contain a dictionary of levels, but you didn't need to know that"
@@ -55,7 +56,8 @@
             self.reload(quiet=True, graph=graph)
         if not self.temporary:
             dispatcher.connect(self.reload, 'reload all subs')
-            
+        log.info("%s initial levels %s", self.name, self.levels)
+        
     def reload(self, quiet=False, graph=None):
         if self.temporary:
             return
@@ -63,26 +65,31 @@
             oldlevels = self.levels.copy()
             self.levels.clear()
             patchGraph = showconfig.getGraph()
-            if graph is None:
+            if 1 or graph is None:
+                # need to read the sub graph to build the levels, not
+                # use the main one! The sub graphs will eventually
+                # just be part of the one and only shared graph
                 graph = Graph()
-                graph.parse(showconfig.subFile(self.name), format="n3")
+                inFile = showconfig.subFile(self.name)
+                log.info("reading %s", inFile)
+                graph.parse(inFile, format="n3")
             self.uri = L9['sub/%s' % self.name]
             for lev in graph.objects(self.uri, L9['lightLevel']):
                 chan = graph.value(lev, L9['channel'])
                 val = graph.value(lev, L9['level'])
                 name = patchGraph.label(chan)
                 if not name:
-                    print "sub %r has channel %r with no name- leaving out that channel" % (self.name, chan)
+                    log.error("sub %r has channel %r with no name- leaving out that channel" % (self.name, chan))
                     continue
                 self.levels[name] = float(val)
 
             if (not quiet) and (oldlevels != self.levels):
-                print "sub %s changed" % self.name
+                log.info("sub %s changed" % self.name)
         except IOError, e:
-            print "Can't read file for sub: %r (%s)" % (self.name, e)
+            log.error("Can't read file for sub: %r (%s)" % (self.name, e))
     def save(self):
         if self.temporary:
-            print "not saving temporary sub named",self.name
+            log.info("not saving temporary sub named %s",self.name)
             return
 
         graph = Graph()
@@ -92,7 +99,7 @@
             try:
                 chanUri = Patch.get_channel_uri(chan)
             except KeyError:
-                print "saving dmx channels with no :Channel node is not supported yet. Give channel %s a URI for it to be saved. Omitting this channel from the sub." % chan
+                log.error("saving dmx channels with no :Channel node is not supported yet. Give channel %s a URI for it to be saved. Omitting this channel from the sub." % chan)
                 continue
             lev = BNode()
             graph.add((subUri, L9['lightLevel'], lev))
@@ -141,7 +148,7 @@
             try:
                 dmxchan = Patch.get_dmx_channel(k) - 1
             except ValueError:
-                print "error trying to compute dmx levels for submaster %s" % self.name
+                log.error("error trying to compute dmx levels for submaster %s" % self.name)
                 raise
             if dmxchan >= len(levels):
                 levels.extend([0] * (dmxchan - len(levels) + 1))
@@ -227,7 +234,7 @@
                filename.startswith('CVS'):
                 continue
             self.submasters[filename] = Submaster(filename, graph=graph)
-        print "loaded subs", self.submasters
+        log.info("loaded subs %s", self.submasters)
     def get_all_subs(self):
         "All Submaster objects"
         l = self.submasters.items()