I want this field to be saved encrypted in the db, but appear
unencrypted everywhere else. My question is which combination of
field methods should I use?
I have gotten parts of this working with various combinations of the
methods below, but can't get it all to work. Using one method makes
modelform save work, but then I can't access the field
directly with model.secret because it is still encrypted. If I use
the to_python method, I can
access the field with model.secret but the modelform handling breaks.
class EncryptedCharField(models.CharField):
__metaclass__ = models.SubfieldBase
def save_form_data(self, instance, data):
setattr(instance, self.name, encrypt(data))
def value_from_object(self, obj):
return decrypt(getattr(obj, self.attname))
#def to_python(self, value):
# return decrypt(value)
class MyModel(models.Model):
secret = EncryptedCharField(max_length=100)
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