Fixed waveform management command to look for mp3 in cache

spa/management/commands/waveforms.py

@@ -1,5 +1,7 @@
 import os
+from django.core.files.storage import FileSystemStorage
 from django.core.management.base import NoArgsCommand
+from dss import settings
 
 from spa.models.mix import Mix
 from core.tasks import create_waveform_task
@@ -9,12 +11,18 @@ class Command(NoArgsCommand):
     help = "Generate all outstanding waveforms"
 
     def _generateWaveform(self, mix):
+        #Check for file in mix directory
         in_file = mix.get_absolute_path()
         try:
             if os.path.isfile(in_file):
                 create_waveform_task.delay(in_file=in_file, uid=mix.uid)
             else:
-                print "File %s not found" % in_file
+                fileName, extension = os.path.splitext(mix.local_file.name)
+                in_file=os.path.join(os.path.join(settings.CACHE_ROOT, "mixes"), "%s.%s" % (fileName, extension))
+                if os.path.isfile(in_file):
+                    create_waveform_task.delay(in_file=in_file, uid=mix.uid)
+                else:
+                    print "File %s not found" % in_file
 
         except Exception, ex:
             print "Error generating waveform: %s" % ex.message