참고소스 수정본

참고/guardrails-main/guardrails/formatters/base_formatter.py

@@ -0,0 +1,32 @@
+from abc import ABC, abstractmethod
+
+from guardrails.llm_providers import (
+    ArbitraryCallable,
+    AsyncPromptCallableBase,
+    PromptCallableBase,
+)
+
+
+class BaseFormatter(ABC):
+    """A Formatter takes an LLM Callable and wraps the method into an abstract
+    callable.
+
+    Used to perform manipulations of the input or the output, like JSON
+    constrained- decoding.
+    """
+
+    @abstractmethod
+    def wrap_callable(self, llm_callable: PromptCallableBase) -> ArbitraryCallable: ...
+
+    @abstractmethod
+    def wrap_async_callable(
+        self, llm_callable: PromptCallableBase
+    ) -> AsyncPromptCallableBase: ...
+
+
+class PassthroughFormatter(BaseFormatter):
+    def wrap_callable(self, llm_callable: PromptCallableBase):  # type: ignore
+        return llm_callable  # Noop
+
+    def wrap_async_callable(self, llm_callable: PromptCallableBase):  # type: ignore
+        return llm_callable  # Noop