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26 lines
882 B
Python
26 lines
882 B
Python
from datetime import datetime
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from typing import Type
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from langchain.tools import BaseTool
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from pydantic import BaseModel, Field
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class DatetimeToolInput(BaseModel):
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type: str = Field(..., description="Type for current time, must be: datetime.")
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class DatetimeTool(BaseTool):
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"""Tool for querying current datetime."""
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name: str = "current_datetime"
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args_schema: Type[BaseModel] = DatetimeToolInput
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description: str = "A tool when you want to get the current date, time, week, month or year, " \
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"and the time zone is UTC. Result is \"<date> <time> <timezone> <week>\"."
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def _run(self, type: str) -> str:
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# get current time
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current_time = datetime.utcnow()
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return current_time.strftime("%Y-%m-%d %H:%M:%S UTC+0000 %A")
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async def _arun(self, tool_input: str) -> str:
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raise NotImplementedError()
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