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69 lines
2.2 KiB
Python
69 lines
2.2 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the terms described in the LICENSE file in
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# the root directory of this source tree.
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import json
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from typing import Dict, List
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from llama_stack_client.lib.agents.custom_tool import CustomTool
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from llama_stack_client.types import CompletionMessage, ToolResponseMessage
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from llama_stack_client.types.tool_param_definition_param import (
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ToolParamDefinitionParam,
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)
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class GetBoilingPointTool(CustomTool):
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"""Tool to give boiling point of a liquid
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Returns the correct value for water in Celcius and Fahrenheit
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and returns -1 for other liquids
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"""
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def run(self, messages: List[CompletionMessage]) -> List[ToolResponseMessage]:
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assert len(messages) == 1, "Expected single message"
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message = messages[0]
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tool_call = message.tool_calls[0]
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try:
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response = self.run_impl(**tool_call.arguments)
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response_str = json.dumps(response, ensure_ascii=False)
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except Exception as e:
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response_str = f"Error when running tool: {e}"
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message = ToolResponseMessage(
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call_id=tool_call.call_id,
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tool_name=tool_call.tool_name,
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content=response_str,
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role="ipython",
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)
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return [message]
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def get_name(self) -> str:
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return "get_boiling_point"
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def get_description(self) -> str:
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return "Get the boiling point of a imaginary liquids (eg. polyjuice)"
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def get_params_definition(self) -> Dict[str, ToolParamDefinitionParam]:
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return {
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"liquid_name": ToolParamDefinitionParam(
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param_type="string", description="The name of the liquid", required=True
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),
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"celcius": ToolParamDefinitionParam(
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param_type="boolean",
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description="Whether to return the boiling point in Celcius",
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required=False,
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),
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}
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def run_impl(self, liquid_name: str, celcius: bool = True) -> int:
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if liquid_name.lower() == "polyjuice":
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if celcius:
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return -100
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else:
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return -212
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else:
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return -1
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