--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mp3/management/commands/import_old_mp3.py	Sat Apr 14 16:40:29 2012 -0500
@@ -0,0 +1,64 @@
+"""
+import_old_mp3.py - For importing mp3 data from the older version of this
+website.
+
+"""
+import datetime
+
+from django.core.management.base import LabelCommand
+from django.utils import simplejson as json
+from django.utils.html import linebreaks
+
+from mp3.models import Collection, Song
+
+
+class Command(LabelCommand):
+    args = '<filename filename ...>'
+    help = 'Imports older mp3 & mp3 sets in JSON format'
+
+    collections = {}
+
+    def handle_label(self, filename, **options):
+        """
+        Process the file of older mp3 & mp3 sets in JSON. Convert to the new
+        model scheme.
+
+        """
+        with open(filename, 'rb') as f:
+            items = json.load(f)
+
+        for item in items:
+            if item['model'] == 'band.mp3_set':
+                self.process_mp3_set(item)
+
+        for item in items:
+            if item['model'] == 'band.mp3':
+                self.process_mp3(item)
+
+    def process_mp3_set(self, item):
+
+        fields = item['fields']
+
+        description = linebreaks(fields['text'].strip())
+
+        coll = Collection(
+                id=item['pk'],
+                title=fields['title'].strip(),
+                date_added=datetime.datetime.strptime(fields['date'], '%Y-%m-%d'),
+                description=description)
+
+        coll.save()
+        self.collections[coll.pk] = coll
+
+    def process_mp3(self, item):
+
+        fields = item['fields']
+
+        song = Song(
+                id=item['pk'],
+                title=fields['title'].strip(),
+                description=fields['desc'].strip(),
+                file=fields['file'],
+                collection=self.collections[fields['mp3_set']],
+                )
+        song.save()