Delete images when deleting models.

Author: hmhrex

comics/__init__.py

@@ -0,0 +1 @@
+default_app_config = 'polls.apps.PollsConfig'

comics/apps.py

@@ -3,4 +3,7 @@
 from django.apps import AppConfig
 
 class ComicsConfig(AppConfig):
-    name = 'comics'
+	name = 'comics'
+
+	def ready(self):
+		import comics.signals

comics/signals.py

@@ -0,0 +1,19 @@
+import os
+from django.dispatch import receiver
+from django.db.models.signals import pre_delete
+from comics.models import Arc, Character, Creator, Issue, Publisher, Team
+
+@receiver(pre_delete, sender=Issue)
+def model_pre_delete(sender, **kwargs):
+	os.remove(kwargs['instance'].cover)
+
+@receiver(pre_delete, sender=Publisher)
+def model_pre_delete(sender, **kwargs):
+	os.remove(kwargs['instance'].logo)
+
+@receiver(pre_delete, sender=Arc)
+@receiver(pre_delete, sender=Creator)
+@receiver(pre_delete, sender=Team)
+@receiver(pre_delete, sender=Character)
+def model_pre_delete(sender, **kwargs):
+	os.remove(kwargs['instance'].image)