dify/api/core/external_data_tool/factory.py

from typing import Optional

from core.extension.extensible import ExtensionModule
from extensions.ext_code_based_extension import code_based_extension


class ExternalDataToolFactory:

    def __init__(self, name: str, tenant_id: str, app_id: str, variable: str, config: dict) -> None:
        extension_class = code_based_extension.extension_class(ExtensionModule.EXTERNAL_DATA_TOOL, name)
        self.__extension_instance = extension_class(
            tenant_id=tenant_id,
            app_id=app_id,
            variable=variable,
            config=config
        )

    @classmethod
    def validate_config(cls, name: str, tenant_id: str, config: dict) -> None:
        """
        Validate the incoming form config data.

        :param name: the name of external data tool
        :param tenant_id: the id of workspace
        :param config: the form config data
        :return:
        """
        code_based_extension.validate_form_schema(ExtensionModule.EXTERNAL_DATA_TOOL, name, config)
        extension_class = code_based_extension.extension_class(ExtensionModule.EXTERNAL_DATA_TOOL, name)
        extension_class.validate_config(tenant_id, config)

    def query(self, inputs: dict, query: Optional[str] = None) -> str:
        """
        Query the external data tool.

        :param inputs: user inputs
        :param query: the query of chat app
        :return: the tool query result
        """
        return self.__extension_instance.query(inputs, query)