61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
from typing import Any, Type
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from langchain.tools import BaseTool
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from litellm import BaseModel
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from pydantic import Field
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from skyvern_langchain.schema import CreateTaskInput, GetTaskInput
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from skyvern_langchain.settings import settings
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from skyvern import Skyvern
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from skyvern.client.types.get_run_response import GetRunResponse
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from skyvern.client.types.task_run_response import TaskRunResponse
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from skyvern.schemas.runs import RunEngine
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class SkyvernTaskBaseTool(BaseTool):
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engine: RunEngine = Field(default=settings.engine)
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run_task_timeout_seconds: int = Field(default=settings.run_task_timeout_seconds)
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agent: Skyvern = Skyvern.local()
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def _run(self, *args: Any, **kwargs: Any) -> None:
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raise NotImplementedError("skyvern task tool does not support sync")
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class RunTask(SkyvernTaskBaseTool):
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name: str = "run-skyvern-agent-task"
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description: str = """Use Skyvern agent to run a task. This function won't return until the task is finished."""
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args_schema: Type[BaseModel] = CreateTaskInput
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async def _arun(self, user_prompt: str, url: str | None = None) -> TaskRunResponse:
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return await self.agent.run_task(
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prompt=user_prompt,
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url=url,
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engine=self.engine,
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timeout=self.run_task_timeout_seconds,
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wait_for_completion=True,
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)
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class DispatchTask(SkyvernTaskBaseTool):
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name: str = "dispatch-skyvern-agent-task"
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description: str = """Use Skyvern agent to dispatch a task. This function will return immediately and the task will be running in the background."""
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args_schema: Type[BaseModel] = CreateTaskInput
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async def _arun(self, user_prompt: str, url: str | None = None) -> TaskRunResponse:
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return await self.agent.run_task(
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prompt=user_prompt,
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url=url,
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engine=self.engine,
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timeout=self.run_task_timeout_seconds,
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wait_for_completion=False,
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)
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class GetTask(SkyvernTaskBaseTool):
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name: str = "get-skyvern-agent-task"
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description: str = """Use Skyvern agent to get a task."""
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args_schema: Type[BaseModel] = GetTaskInput
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async def _arun(self, task_id: str) -> GetRunResponse | None:
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return await self.agent.get_run(run_id=task_id)
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