dify/api/core/tools/provider/builtin/stablediffusion/stablediffusion.py

from core.tools.provider.builtin_tool_provider import BuiltinToolProviderController
from core.tools.errors import ToolProviderCredentialValidationError

from core.tools.provider.builtin.stablediffusion.tools.stable_diffusion import StableDiffusionTool

from typing import Any, Dict

class StableDiffusionProvider(BuiltinToolProviderController):
    def _validate_credentials(self, credentials: Dict[str, Any]) -> None:
        try:
            StableDiffusionTool().fork_tool_runtime(
                meta={
                    "credentials": credentials,
                }
            ).invoke(
                user_id='',
                tool_paramters={
                    "prompt": "cat",
                    "lora": "",
                    "steps": 1,
                    "width": 512,
                    "height": 512,
                },
            )
        except Exception as e:
            raise ToolProviderCredentialValidationError(str(e))