Move set_created_field() to shared utils class

Signed-off-by: Dan McGee <dan@archlinux.org>

main/utils.py

@@ -2,6 +2,9 @@
     import cPickle as pickle
 except ImportError:
     import pickle
+
+from datetime import datetime
+
 from django.core.cache import cache
 from django.utils.hashcompat import md5_constructor
 
@@ -81,4 +84,11 @@ def retrieve_latest(sender):
         pass
     return None
 
+def set_created_field(sender, **kwargs):
+    '''This will set the 'created' field on any object to datetime.utcnow() if
+    it is unset. For use as a pre_save signal handler.'''
+    obj = kwargs['instance']
+    if hasattr(obj, 'created') and not obj.created:
+        obj.created = datetime.utcnow()
+
 # vim: set ts=4 sw=4 et:

packages/models.py

@@ -1,9 +1,9 @@
-from datetime import datetime
-
 from django.db import models
 from django.db.models.signals import pre_save, post_save
 from django.contrib.auth.models import User
 
+from main.utils import set_created_field
+
 class PackageRelation(models.Model):
     '''
     Represents maintainership (or interest) in a package by a given developer.
@@ -112,12 +112,6 @@ def remove_inactive_maintainers(sender, instance, created, **kwargs):
                 type=PackageRelation.MAINTAINER)
         maint_relations.delete()
 
-def set_created_field(sender, **kwargs):
-    # We use this same callback for both Isos and Tests
-    obj = kwargs['instance']
-    if not obj.created:
-        obj.created = datetime.utcnow()
-
 post_save.connect(remove_inactive_maintainers, sender=User,
         dispatch_uid="packages.models")
 pre_save.connect(set_created_field, sender=PackageRelation,

releng/models.py

@@ -1,6 +1,7 @@
-from datetime import datetime
-
 from django.db import models
+from django.db.models.signals import pre_save
+
+from main.utils import set_created_field
 
 class IsoOption(models.Model):
     name = models.CharField(max_length=200)
@@ -104,14 +105,6 @@ class Test(models.Model):
     success = models.BooleanField()
     comments = models.TextField(null=True, blank=True)
 
-def set_created_field(sender, **kwargs):
-    # We use this same callback for both Isos and Tests
-    obj = kwargs['instance']
-    if not obj.created:
-        obj.created = datetime.utcnow()
-
-from django.db.models.signals import pre_save
-
 pre_save.connect(set_created_field, sender=Iso,
         dispatch_uid="releng.models")
 pre_save.connect(set_created_field, sender=Test,