from core.tools.errors import ToolProviderCredentialValidationError from core.tools.provider.builtin.getimgai.tools.text2image import Text2ImageTool from core.tools.provider.builtin_tool_provider import BuiltinToolProviderController class GetImgAIProvider(BuiltinToolProviderController): def _validate_credentials(self, credentials: dict) -> None: try: # Example validation using the text2image tool Text2ImageTool().fork_tool_runtime( runtime={"credentials": credentials} ).invoke( user_id='', tool_parameters={ "prompt": "A fire egg", "response_format": "url", "style": "photorealism", } ) except Exception as e: raise ToolProviderCredentialValidationError(str(e))