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d9d19043f1
Co-authored-by: openhands <openhands@all-hands.dev> Co-authored-by: Rohit Malhotra <rohitvinodmalhotra@gmail.com>
86 lines
2.7 KiB
Python
86 lines
2.7 KiB
Python
# IMPORTANT: LEGACY V0 CODE
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# This file is part of the legacy (V0) implementation of OpenHands and will be removed soon as we complete the migration to V1.
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# OpenHands V1 uses the Software Agent SDK for the agentic core and runs a new application server. Please refer to:
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# - V1 agentic core (SDK): https://github.com/OpenHands/software-agent-sdk
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# - V1 application server (in this repo): openhands/app_server/
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# Unless you are working on deprecation, please avoid extending this legacy file and consult the V1 codepaths above.
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# Tag: Legacy-V0
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from abc import ABC, abstractmethod
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from typing import Any
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from openhands.events.action import Action
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class ActionParseError(Exception):
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"""Exception raised when the response from the LLM cannot be parsed into an action."""
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def __init__(self, error: str):
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self.error = error
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def __str__(self) -> str:
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return self.error
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class ResponseParser(ABC):
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"""This abstract base class is a general interface for an response parser dedicated to
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parsing the action from the response from the LLM.
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"""
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def __init__(
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self,
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) -> None:
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# Need pay attention to the item order in self.action_parsers
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self.action_parsers: list[ActionParser] = []
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@abstractmethod
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def parse(self, response: Any) -> Action:
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"""Parses the action from the response from the LLM.
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Parameters:
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- response: The response from the LLM, which can be a string or a dictionary.
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Returns:
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- action (Action): The action parsed from the response.
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"""
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pass
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@abstractmethod
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def parse_response(self, response: Any) -> str:
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"""Parses the action from the response from the LLM.
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Parameters:
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- response: The response from the LLM, which can be a string or a dictionary.
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Returns:
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- action_str (str): The action str parsed from the response.
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"""
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pass
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@abstractmethod
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def parse_action(self, action_str: str) -> Action:
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"""Parses the action from the response from the LLM.
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Parameters:
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- action_str (str): The response from the LLM.
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Returns:
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- action (Action): The action parsed from the response.
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"""
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pass
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class ActionParser(ABC):
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"""This abstract base class is a general interface for an action parser dedicated to
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parsing the action from the action str from the LLM.
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"""
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@abstractmethod
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def check_condition(self, action_str: str) -> bool:
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"""Check if the action string can be parsed by this parser."""
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pass
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@abstractmethod
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def parse(self, action_str: str) -> Action:
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"""Parses the action from the action string from the LLM response."""
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pass
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