make the controllers' manager; fix errors, make it working

programs/admin.py

@@ -2,6 +2,7 @@ import copy
 
 from django import forms
 from django.contrib import admin
+from django.contrib.contenttypes.admin import GenericTabularInline
 from django.db import models
 from django.utils.translation import ugettext as _, ugettext_lazy
 
@@ -44,7 +45,6 @@ class DiffusionInline(admin.StackedInline):
 #    sortable = 'position'
 #    extra = 10
 
-
 class NameableAdmin(admin.ModelAdmin):
     fields = [ 'name' ]
 
@@ -53,6 +53,15 @@ class NameableAdmin(admin.ModelAdmin):
     search_fields = ['name',]
 
 
+class TrackInline(GenericTabularInline):
+    ct_field = 'related_type'
+    ct_fk_field = 'related_id'
+    model = Track
+    extra = 0
+    fields = ('artist', 'title', 'tags', 'info', 'position')
+    readonly_fields = ('position',)
+
+
 @admin.register(Sound)
 class SoundAdmin(NameableAdmin):
     fields = None
@@ -64,6 +73,7 @@ class SoundAdmin(NameableAdmin):
         (None, { 'fields': ['removed', 'good_quality' ] } )
     ]
     readonly_fields = ('path', 'duration',)
+    inlines = [TrackInline]
 
 
 @admin.register(Stream)

programs/management/commands/sounds_monitor.py

@@ -127,7 +127,7 @@ class SoundInfo:
         if not os.path.exists(path):
             return
 
-        old = Tracks.get_for(object = sound).exclude(tracks_id)
+        old = Track.get_for(object = sound)
         if old:
             return
 
@@ -296,6 +296,7 @@ class Command(BaseCommand):
 
         # sounds in directory
         for path in os.listdir(subdir):
+            print(path)
             path = os.path.join(subdir, path)
             if not path.endswith(settings.AIRCOX_SOUND_FILE_EXT):
                 continue