add poster management commands

oxdata/poster/management/commands/cache_poster.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# vi:si:et:sw=4:sts=4:ts=4
+
+from django.core.management.base import BaseCommand, CommandError
+from django.conf import settings
+
+import poster.models
+
+class Command(BaseCommand):
+    """
+    download all posters in PosterCache
+    """
+    help = 'download all posters in PosterCache table.'
+    args = ''
+
+    def handle(self, **options):
+        for p in poster.models.PosterCache.objects.filter(image='', failed=False).order_by('-created'):
+            print p.created, p.url
+            p.get()
+