DESKTOP-72TV0V4\caoxiaozhu
b2bc9988a9
- 新增 Go 语言后端服务(server/)，包含用户认证、Agent管理、数据库连接等API - 新增 Python Agent 服务(agent/)，实现Agent核心逻辑和工具集 - 前端从原生HTML迁移到Vue.js框架(web/src/) - 添加 Docker Compose 支持(docker-compose.yml) - 添加项目架构文档(docs/ARCHITECTURE.md) - 添加环境变量示例(.env.example)和本地启动脚本(start-local.ps1) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
92 lines
2.4 KiB
Python
92 lines
2.4 KiB
Python
"""
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计算器工具
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"""
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import ast
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import operator
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from typing import Any
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# 安全运算符
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SAFE_OPERATORS = {
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ast.Add: operator.add,
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ast.Sub: operator.sub,
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ast.Mult: operator.mul,
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ast.Div: operator.truediv,
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ast.Pow: operator.pow,
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ast.Mod: operator.mod,
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ast.USub: operator.neg,
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}
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def safe_eval_expr(node):
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"""安全地求值表达式节点"""
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if isinstance(node, ast.Num):
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return node.n
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elif isinstance(node, ast.BinOp):
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left = safe_eval_expr(node.left)
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right = safe_eval_expr(node.right)
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op_type = type(node.op)
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if op_type in SAFE_OPERATORS:
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return SAFE_OPERATORS[op_type](left, right)
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raise ValueError(f"Unsupported operator: {op_type}")
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elif isinstance(node, ast.UnaryOp):
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operand = safe_eval_expr(node.operand)
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op_type = type(node.op)
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if op_type in SAFE_OPERATORS:
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return SAFE_OPERATORS[op_type](operand)
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raise ValueError(f"Unsupported unary operator: {op_type}")
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else:
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raise ValueError(f"Unsupported expression: {ast.dump(node)}")
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def calculate(expression: str) -> dict:
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"""
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执行数学计算
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Args:
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expression: 数学表达式，如 "2 + 2" 或 "sqrt(16)"
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Returns:
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计算结果
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"""
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try:
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# 预处理：处理常见数学函数
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expression = expression.replace("sqrt", "**0.5")
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expression = expression.replace("pi", "3.14159265359")
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expression = expression.replace("e", "2.71828182846")
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# 解析表达式
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tree = ast.parse(expression, mode='eval')
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result = safe_eval_expr(tree.body)
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return {
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"success": True,
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"expression": expression,
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"result": result,
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"type": type(result).__name__
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}
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except Exception as e:
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return {
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"success": False,
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"expression": expression,
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"error": str(e)
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}
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# 工具定义
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TOOL_DEFINITION = {
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"name": "calculator",
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"description": "Perform mathematical calculations. Supports basic arithmetic (+, -, *, /), powers (**), and functions (sqrt).",
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"parameters": {
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"type": "object",
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"properties": {
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"expression": {
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"type": "string",
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"description": "Mathematical expression to evaluate, e.g., '2 + 2' or 'sqrt(16) + 5'"
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}
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},
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"required": ["expression"]
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}
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}
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