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https://github.com/OpenHands/OpenHands.git
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87d56d961f
* adding functinality to get agents from backend server * dynamic selection of agents in backend * adding the function listAgents * Update opendevin/server/listen.py * Update opendevin/agent.py --------- Co-authored-by: Robert Brennan <accounts@rbren.io>
101 lines
3.0 KiB
Python
101 lines
3.0 KiB
Python
from abc import ABC, abstractmethod
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from typing import List, Dict, Type, TYPE_CHECKING
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if TYPE_CHECKING:
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from opendevin.action import Action
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from opendevin.state import State
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from opendevin.llm.llm import LLM
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class Agent(ABC):
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"""
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This abstract base class is an general interface for an agent dedicated to
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executing a specific instruction and allowing human interaction with the
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agent during execution.
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It tracks the execution status and maintains a history of interactions.
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"""
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_registry: Dict[str, Type["Agent"]] = {}
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def __init__(
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self,
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llm: LLM,
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):
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self.llm = llm
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self._complete = False
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@property
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def complete(self) -> bool:
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"""
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Indicates whether the current instruction execution is complete.
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Returns:
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- complete (bool): True if execution is complete; False otherwise.
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"""
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return self._complete
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@abstractmethod
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def step(self, state: "State") -> "Action":
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"""
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Starts the execution of the assigned instruction. This method should
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be implemented by subclasses to define the specific execution logic.
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"""
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pass
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@abstractmethod
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def search_memory(self, query: str) -> List[str]:
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"""
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Searches the agent's memory for information relevant to the given query.
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Parameters:
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- query (str): The query to search for in the agent's memory.
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Returns:
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- response (str): The response to the query.
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"""
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pass
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def reset(self) -> None:
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"""
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Resets the agent's execution status and clears the history. This method can be used
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to prepare the agent for restarting the instruction or cleaning up before destruction.
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"""
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self._complete = False
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@classmethod
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def register(cls, name: str, agent_cls: Type["Agent"]):
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"""
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Registers an agent class in the registry.
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Parameters:
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- name (str): The name to register the class under.
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- agent_cls (Type['Agent']): The class to register.
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"""
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if name in cls._registry:
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raise ValueError(f"Agent class already registered under '{name}'.")
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cls._registry[name] = agent_cls
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@classmethod
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def get_cls(cls, name: str) -> Type["Agent"]:
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"""
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Retrieves an agent class from the registry.
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Parameters:
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- name (str): The name of the class to retrieve
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Returns:
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- agent_cls (Type['Agent']): The class registered under the specified name.
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"""
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if name not in cls._registry:
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raise ValueError(f"No agent class registered under '{name}'.")
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return cls._registry[name]
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@classmethod
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def listAgents(cls) -> list[str]:
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"""
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Retrieves the list of all agent names from the registry.
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"""
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if not bool(cls._registry):
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raise ValueError("No agent class registered.")
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return list(cls._registry.keys())
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