Hi,

I'm creating a model from an external database that has some encrypted 
columns.  Initially I was thinking of creating a custom field type:

class EncryptedField(models.Field):
  def db_type(self, connection): 
    return 'TEXT'
  def pre_save(self, model, add):
    return encrypt(getattr(model, self.attname))

..but it doesn't seem there are any hooks to decrypt the data on the 
loading side.  Am I missing anything, or is there a better way to do this 
sort of thing?

Thanks,
Matt

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