h2o-py/h2o/backend/connection.py
def _prepare_data_payload(data):
        """
        Make a copy of the `data` object, preparing it to be sent to the server.

        The data will be sent via x-www-form-urlencoded or multipart/form-data mechanisms. Both of them work with
        plain lists of key/value pairs, so this method converts the data into such format.
        """
        if not data: return None
        res = {}
        for key, value in viewitems(data):
            if value is None: continue  # don't send args set to None so backend defaults take precedence
            if isinstance(value, list):
                value = stringify_list(value)
            elif isinstance(value, dict):
                if "__meta" in value and value["__meta"]["schema_name"].endswith("KeyV3"):
                    value = value["name"]
                else:
                    value = stringify_dict(value)
            else:
                value = str(value)
            res[key] = value
        return res
def _prepare_data_payload(data):
        """
        Make a copy of the `data` object, preparing it to be sent to the server.

        The data will be sent via x-www-form-urlencoded or multipart/form-data mechanisms. Both of them work with
        plain lists of key/value pairs, so this method converts the data into such format.
        """
        if not data: return None
        res = {}
        for key, value in viewitems(data):
            if value is None: continue  # don't send args set to None so backend defaults take precedence
            if isinstance(value, list):
                value = stringify_list(value)
            elif isinstance(value, dict):
                if "__meta" in value and value["__meta"]["schema_name"].endswith("KeyV3"):
                    value = value["name"]
                else:
                    value = stringify_dict(value)
            else:
                value = str(value)
            res[key] = value
        return res
Make a copy of the `data` object, preparing it to be sent to the server.

        The data will be sent via x-www-form-urlencoded or multipart/form-data mechanisms. Both of them work with
        plain lists of key/value pairs, so this method converts the data into such format.