121 lines
3.6 KiB
Python
121 lines
3.6 KiB
Python
import inspect
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import traceback
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from copy import deepcopy
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from pprint import pformat
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from types import GenericAlias
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from typing import get_origin, Annotated
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_TOOL_HOOKS = {}
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_TOOL_DESCRIPTIONS = {}
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def register_tool(func: callable):
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tool_name = func.__name__
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tool_description = inspect.getdoc(func).strip()
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python_params = inspect.signature(func).parameters
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tool_params = []
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for name, param in python_params.items():
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annotation = param.annotation
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if annotation is inspect.Parameter.empty:
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raise TypeError(f"Parameter `{name}` missing type annotation")
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if get_origin(annotation) != Annotated:
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raise TypeError(f"Annotation type for `{name}` must be typing.Annotated")
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typ, (description, required) = annotation.__origin__, annotation.__metadata__
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typ: str = str(typ) if isinstance(typ, GenericAlias) else typ.__name__
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if not isinstance(description, str):
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raise TypeError(f"Description for `{name}` must be a string")
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if not isinstance(required, bool):
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raise TypeError(f"Required for `{name}` must be a bool")
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tool_params.append({
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"name": name,
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"description": description,
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"type": typ,
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"required": required
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})
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tool_def = {
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"name": tool_name,
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"description": tool_description,
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"params": tool_params
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}
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print("[registered tool] " + pformat(tool_def))
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_TOOL_HOOKS[tool_name] = func
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_TOOL_DESCRIPTIONS[tool_name] = tool_def
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return func
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def dispatch_tool(tool_name: str, tool_params: dict) -> str:
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if tool_name not in _TOOL_HOOKS:
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return f"Tool `{tool_name}` not found. Please use a provided tool."
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tool_call = _TOOL_HOOKS[tool_name]
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try:
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ret = tool_call(**tool_params)
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except:
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ret = traceback.format_exc()
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return str(ret)
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def get_tools() -> dict:
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return deepcopy(_TOOL_DESCRIPTIONS)
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# Tool Definitions
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@register_tool
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def random_number_generator(
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seed: Annotated[int, 'The random seed used by the generator', True],
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range: Annotated[tuple[int, int], 'The range of the generated numbers', True],
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) -> int:
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"""
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Generates a random number x, s.t. range[0] <= x < range[1]
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"""
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if not isinstance(seed, int):
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raise TypeError("Seed must be an integer")
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if not isinstance(range, tuple):
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raise TypeError("Range must be a tuple")
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if not isinstance(range[0], int) or not isinstance(range[1], int):
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raise TypeError("Range must be a tuple of integers")
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import random
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return random.Random(seed).randint(*range)
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@register_tool
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def get_weather(
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city_name: Annotated[str, 'The name of the city to be queried', True],
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) -> str:
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"""
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Get the current weather for `city_name`
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"""
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# if not isinstance(city_name, str):
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# raise TypeError("City name must be a string")
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#
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# key_selection = {
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# "current_condition": ["temp_C", "FeelsLikeC", "humidity", "weatherDesc", "observation_time"],
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# }
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# import requests
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# try:
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# resp = requests.get(f"https://wttr.in/{city_name}?format=j1")
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# resp.raise_for_status()
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# resp = resp.json()
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# ret = {k: {_v: resp[k][0][_v] for _v in v} for k, v in key_selection.items()}
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# except:
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# import traceback
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# ret = "Error encountered while fetching weather data!\n" + traceback.format_exc()
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#
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# return str(ret)
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return "北京的温度是25度，湿度为27"
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if __name__ == "__main__":
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print(dispatch_tool("get_weather", {"city_name": "beijing"}))
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print(get_tools())
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