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Implemented ability to change modified fields manually.

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Keryn Knight 2014-07-01 14:37:41 +01:00
parent 500dd470cd
commit e353a01a9a
1 changed files with 8 additions and 2 deletions
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10
model_utils/fields.py
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@ -30,8 +30,14 @@ class AutoLastModifiedField(AutoCreatedField):
"""
def pre_save(self, model_instance, add):
value = now()
setattr(model_instance, self.attname, value)
if add and hasattr(model_instance, self.attname):
# when creating an instance and the modified date is set
# don't change the value, assume the developer wants that
# control.
value = getattr(model_instance, self.attname)
else:
value = now()
setattr(model_instance, self.attname, value)
return value