gis: Merged revisions 4669-4785 via svnmerge from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/gis@4786 bcc190cf-cafb-0310-a4f2-bffc1f526a37

2 files changed, 11 insertions, 2 deletions

diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index e8a2c231c5..3972de7d4a 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -67,7 +67,7 @@ class Field(object):
 
     def __init__(self, verbose_name=None, name=None, primary_key=False,
         maxlength=None, unique=False, blank=False, null=False, db_index=False,
-        core=False, rel=None, default=NOT_PROVIDED, editable=True,
+        core=False, rel=None, default=NOT_PROVIDED, editable=True, serialize=True,
         prepopulate_from=None, unique_for_date=None, unique_for_month=None,
         unique_for_year=None, validator_list=None, choices=None, radio_admin=None,
         help_text='', db_column=None):
@@ -78,6 +78,7 @@ class Field(object):
         self.blank, self.null = blank, null
         self.core, self.rel, self.default = core, rel, default
         self.editable = editable
+        self.serialize = serialize
         self.validator_list = validator_list or []
         self.prepopulate_from = prepopulate_from
         self.unique_for_date, self.unique_for_month = unique_for_date, unique_for_month
@@ -742,6 +743,13 @@ class NullBooleanField(Field):
         kwargs['null'] = True
         Field.__init__(self, *args, **kwargs)
 
+    def to_python(self, value):
+        if value in (None, True, False): return value
+        if value in ('None'): return None
+        if value in ('t', 'True', '1'): return True
+        if value in ('f', 'False', '0'): return False
+        raise validators.ValidationError, gettext("This value must be either None, True or False.")
+
     def get_manipulator_field_objs(self):
         return [oldforms.NullBooleanField]
 
@@ -819,7 +827,7 @@ class TimeField(Field):
         if value is not None:
             # MySQL will throw a warning if microseconds are given, because it
             # doesn't support microseconds.
-            if settings.DATABASE_ENGINE == 'mysql':
+            if settings.DATABASE_ENGINE == 'mysql' and hasattr(value, 'microsecond'):
                 value = value.replace(microsecond=0)
             value = str(value)
         return Field.get_db_prep_save(self, value)
diff --git a/django/db/models/fields/generic.py b/django/db/models/fields/generic.py
index 1ad8346e42..480ee689c9 100644
--- a/django/db/models/fields/generic.py
+++ b/django/db/models/fields/generic.py
@@ -94,6 +94,7 @@ class GenericRelation(RelatedField, Field):
         
         kwargs['blank'] = True
         kwargs['editable'] = False
+        kwargs['serialize'] = False
         Field.__init__(self, **kwargs)
 
     def get_manipulator_field_objs(self):