langchain_core.beta.runnables.context.PrefixContext¶
class langchain_core.beta.runnables.context.PrefixContext(prefix: str = '')[source]¶
Attributes
prefix
Methods
__init__([prefix])
getter(key, /)
setter([_key, _value])
__init__(prefix: str = '')[source]¶
getter(key: Union[str, List[str]], /) → ContextGet[source]¶
setter(_key: Optional[str] = None, _value: Optional[Union[Runnable[Input, Output], Callable[[Input], Output], Callable[[Input], Awaitable[Output]], Any]] = None, /, **kwargs: Union[Runnable[Input, Output], Callable[[Input], Output], Callable[[Input], Awaitable[Output]], Any]) → ContextSet[source]¶