From c8fcfcfbd88640ec4c26cbf4dd5cbb5e97d78de7 Mon Sep 17 00:00:00 2001
From: Federico Capoano <nemesis@ninux.org>
Date: Tue, 17 Mar 2015 14:31:11 +0100
Subject: [PATCH] Changed default value for DateTimeField in schema mode #82

---
 django_hstore/virtual.py           |  5 ++-
 tests/django_hstore_tests/tests.py | 50 ++++++++++++++++--------------
 2 files changed, 29 insertions(+), 26 deletions(-)

diff --git a/django_hstore/virtual.py b/django_hstore/virtual.py
index 11b910a..bdd4091 100755
--- a/django_hstore/virtual.py
+++ b/django_hstore/virtual.py
@@ -97,9 +97,8 @@ def deconstruct(self, *args, **kwargs):
             return (name, path, args, { 'default': kwargs.get('default')})
 
     # support DateTimeField
-    if BaseField == models.DateTimeField and kwargs.get('default') is None:
-        import datetime
-        kwargs['default'] = datetime.datetime.utcnow()
+    if BaseField == models.DateTimeField and (kwargs.get('null') or kwargs.get('blank')):
+        kwargs['default'] = None
 
     # support Date and DateTime in django-rest-framework-hstore
     if BaseField == models.DateTimeField or BaseField == models.DateField:
diff --git a/tests/django_hstore_tests/tests.py b/tests/django_hstore_tests/tests.py
index 87a4319..775c715 100755
--- a/tests/django_hstore_tests/tests.py
+++ b/tests/django_hstore_tests/tests.py
@@ -923,29 +923,33 @@ def test_datetime_is_none(self):
             d = SchemaDataBag.objects.get(name='datetime')
             self.assertIsNone(d.datetime, None)
 
-        def test_migration_datetime(self):
-            """ issue #82 https://github.com/djangonauts/django-hstore/issues/82 """
-            from django.core.management import call_command
-            from cStringIO import StringIO
-            # start capturing output
-            output = StringIO()
-            sys.stdout = output
-            call_command('makemigrations', 'django_hstore_tests')
-            # stop capturing print statements
-            sys.stdout = sys.__stdout__
-            self.assertIn('0001_initial', output.getvalue())
-            # check migration file
-            path = './django_hstore_tests/migrations'
-            filename = '0001_initial.py'
-            try:
-                migration_file = open('{0}/{1}'.format(path, filename))
-            except IOError:
-                path = path.replace('./', './tests/')
-                migration_file = open('{0}/{1}'.format(path, filename))
-            self.assertNotIn("('datetime', django_hstore.virtual.VirtualField(default=datetime.datetime", migration_file.read())
-            # delete migration files
-            import shutil
-            shutil.rmtree(path)
+        if django.VERSION[:2] >= (1, 7):
+            def test_migration_datetime(self):
+                """ issue #82 https://github.com/djangonauts/django-hstore/issues/82 """
+                from django.core.management import call_command
+                if sys.version_info.major >= 3:
+                    from io import StringIO
+                else:
+                    from StringIO import StringIO
+                # start capturing output
+                output = StringIO()
+                sys.stdout = output
+                call_command('makemigrations', 'django_hstore_tests')
+                # stop capturing print statements
+                sys.stdout = sys.__stdout__
+                self.assertIn('0001_initial', output.getvalue())
+                # check migration file
+                path = './django_hstore_tests/migrations'
+                filename = '0001_initial.py'
+                try:
+                    migration_file = open('{0}/{1}'.format(path, filename))
+                except IOError:
+                    path = path.replace('./', './tests/')
+                    migration_file = open('{0}/{1}'.format(path, filename))
+                self.assertNotIn("('datetime', django_hstore.virtual.VirtualField(default=datetime.datetime", migration_file.read())
+                # delete migration files
+                import shutil
+                shutil.rmtree(path)
 
     else:
         def test_improperly_configured(self):