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Method prep_inputs

libs/langchain/langchain/chains/base.py:492–514  ·  view source on GitHub ↗

Prepare chain inputs, including adding inputs from memory. Args: inputs: Dictionary of raw inputs, or single input if chain expects only one param. Should contain all inputs specified in `Chain.input_keys` except for inputs that will be set by the

(self, inputs: Union[Dict[str, Any], Any])

Source from the content-addressed store, hash-verified

490 return {**inputs, **outputs}
491
492 def prep_inputs(self, inputs: Union[Dict[str, Any], Any]) -> Dict[str, str]:
493 """Prepare chain inputs, including adding inputs from memory.
494
495 Args:
496 inputs: Dictionary of raw inputs, or single input if chain expects
497 only one param. Should contain all inputs specified in
498 `Chain.input_keys` except for inputs that will be set by the chain's
499 memory.
500
501 Returns:
502 A dictionary of all inputs, including those added by the chain's memory.
503 """
504 if not isinstance(inputs, dict):
505 _input_keys = set(self.input_keys)
506 if self.memory is not None:
507 # If there are multiple input keys, but some get set by memory so that
508 # only one is not set, we can still figure out which key it is.
509 _input_keys = _input_keys.difference(self.memory.memory_variables)
510 inputs = {list(_input_keys)[0]: inputs}
511 if self.memory is not None:
512 external_context = self.memory.load_memory_variables(inputs)
513 inputs = dict(inputs, **external_context)
514 return inputs
515
516 async def aprep_inputs(self, inputs: Union[Dict[str, Any], Any]) -> Dict[str, str]:
517 """Prepare chain inputs, including adding inputs from memory.

Callers 2

invokeMethod · 0.95
inputsMethod · 0.45

Calls 2

listFunction · 0.85
load_memory_variablesMethod · 0.45

Tested by

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