Files
dify/api/dify_graph/nodes/llm/protocols.py

22 lines
700 B
Python

from __future__ import annotations
from typing import Any, Protocol
from core.model_manager import ModelInstance
class CredentialsProvider(Protocol):
"""Port for loading runtime credentials for a provider/model pair."""
def fetch(self, provider_name: str, model_name: str) -> dict[str, Any]:
"""Return credentials for the target provider/model or raise a domain error."""
...
class ModelFactory(Protocol):
"""Port for creating initialized LLM model instances for execution."""
def init_model_instance(self, provider_name: str, model_name: str) -> ModelInstance:
"""Create a model instance that is ready for schema lookup and invocation."""
...