langchain_core.beta.runnables.context.PrefixContext¶

class langchain_core.beta.runnables.context.PrefixContext(prefix: str = '')[source]¶

Context for a runnable with a prefix.

Attributes

prefix

Methods

__init__([prefix])

getter(key, /)

setter([_key, _value])

Parameters

prefix (str) –

__init__(prefix: str = '')[source]¶
Parameters

prefix (str) –

getter(key: Union[str, List[str]], /) → ContextGet[source]¶
Parameters

key (Union[str, List[str]]) –

Return type

ContextGet

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]¶
Parameters

  • _key (Optional[str]) –

  • _value (Optional[Union[Runnable[Input, Output], Callable[[Input], Output], Callable[[Input], Awaitable[Output]], Any]]) –

  • kwargs (Union[Runnable[Input, Output], Callable[[Input], Output], Callable[[Input], Awaitable[Output]], Any]) –

Return type

ContextSet