    def to_dict(self):
        """Transforms the object to a Python dictionary.

            Note:
                A dictionary serialization of the Input the Output was
                derived from is always provided.

            Returns:
                dict: The Output as an alternative serialization format.
        """
        # TODO FOR CC: It must be able to recognize a hashlock condition
        #              and fulfillment!
        condition = {}
        try:
            condition['details'] = _fulfillment_to_details(self.fulfillment)
        except AttributeError:
            pass

        try:
            condition['uri'] = self.fulfillment.condition_uri
        except AttributeError:
            condition['uri'] = self.fulfillment

        output = {
            'public_keys': self.public_keys,
            'condition': condition,
            'amount': str(self.amount),
        }
        return output
Transforms the object to a Python dictionary.

Note:
A dictionary serialization of the Input the Output was
derived from is always provided.

Returns:
dict: The Output as an alternative serialization format.
bigchaindb/common/transaction.py