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If values cant be compared mark as changed (#287)

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This commit is contained in:
Ross Lawley 2013-04-29 10:36:11 +00:00
commit 85b81fb12a
3 changed files with 32 additions and 7 deletions
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17
mongoengine/base/fields.py
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@ -81,13 +81,16 @@ class BaseField(object):
def __set__(self, instance, value):
"""Descriptor for assigning a value to a field in a document.
"""
changed = False
if (self.name not in instance._data or
instance._data[self.name] != value):
changed = True
instance._data[self.name] = value
if changed and instance._initialised:
instance._mark_as_changed(self.name)
if instance._initialised:
try:
if (self.name not in instance._data or
instance._data[self.name] != value):
instance._mark_as_changed(self.name)
except:
# Values cant be compared eg: naive and tz datetimes
# So mark it as changed
instance._mark_as_changed(self.name)
instance._data[self.name] = value
def error(self, message="", errors=None, field_name=None):
"""Raises a ValidationError.