langchain/libs/experimental/langchain_experimental/plan_and_execute/schema.py
Erick Friis c2a3021bb0
multiple: pydantic 2 compatibility, v0.3 (#26443)
Signed-off-by: ChengZi <chen.zhang@zilliz.com>
Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
Co-authored-by: Bagatur <22008038+baskaryan@users.noreply.github.com>
Co-authored-by: Dan O'Donovan <dan.odonovan@gmail.com>
Co-authored-by: Tom Daniel Grande <tomdgrande@gmail.com>
Co-authored-by: Grande <Tom.Daniel.Grande@statsbygg.no>
Co-authored-by: Bagatur <baskaryan@gmail.com>
Co-authored-by: ccurme <chester.curme@gmail.com>
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
Co-authored-by: Tomaz Bratanic <bratanic.tomaz@gmail.com>
Co-authored-by: ZhangShenao <15201440436@163.com>
Co-authored-by: Friso H. Kingma <fhkingma@gmail.com>
Co-authored-by: ChengZi <chen.zhang@zilliz.com>
Co-authored-by: Nuno Campos <nuno@langchain.dev>
Co-authored-by: Morgante Pell <morgantep@google.com>
2024-09-13 14:38:45 -07:00

63 lines
1.4 KiB
Python

from abc import abstractmethod
from typing import List, Tuple
from langchain_core.output_parsers import BaseOutputParser
from pydantic import BaseModel, Field
class Step(BaseModel):
"""Step."""
value: str
"""The value."""
class Plan(BaseModel):
"""Plan."""
steps: List[Step]
"""The steps."""
class StepResponse(BaseModel):
"""Step response."""
response: str
"""The response."""
class BaseStepContainer(BaseModel):
"""Base step container."""
@abstractmethod
def add_step(self, step: Step, step_response: StepResponse) -> None:
"""Add step and step response to the container."""
@abstractmethod
def get_final_response(self) -> str:
"""Return the final response based on steps taken."""
class ListStepContainer(BaseStepContainer):
"""Container for List of steps."""
steps: List[Tuple[Step, StepResponse]] = Field(default_factory=list)
"""The steps."""
def add_step(self, step: Step, step_response: StepResponse) -> None:
self.steps.append((step, step_response))
def get_steps(self) -> List[Tuple[Step, StepResponse]]:
return self.steps
def get_final_response(self) -> str:
return self.steps[-1][1].response
class PlanOutputParser(BaseOutputParser):
"""Plan output parser."""
@abstractmethod
def parse(self, text: str) -> Plan:
"""Parse into a plan."""