3764c30628
Stub implementations for: - base.py: Tool, ToolResult, @tool decorator, registry - calculate.py: Math expressions (simpleeval) - fetch.py: HTTP requests (aiohttp) - files.py: read_file, write_file, list_dir - shell.py: run_command (sandboxed) - search.py: web_search - keyvalue.py: key_value_get/set/delete (in-memory stub) - librarian.py: exist-db integration (store, get, query, search) All stubs return "Not implemented" - ready for real implementation. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
60 lines
1.4 KiB
Python
60 lines
1.4 KiB
Python
"""
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Calculate tool - evaluate mathematical expressions.
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Uses simpleeval for safe expression evaluation with Python syntax.
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"""
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from .base import tool, ToolResult
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# TODO: pip install simpleeval
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# from simpleeval import simple_eval
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# import math
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MATH_FUNCTIONS = {
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# "abs": abs,
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# "round": round,
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# "min": min,
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# "max": max,
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# "sqrt": math.sqrt,
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# "sin": math.sin,
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# "cos": math.cos,
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# "tan": math.tan,
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# "log": math.log,
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# "log10": math.log10,
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}
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MATH_CONSTANTS = {
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# "pi": math.pi,
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# "e": math.e,
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}
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@tool
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async def calculate(expression: str) -> ToolResult:
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"""
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Evaluate a mathematical expression using Python syntax.
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Supported:
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- Basic ops: + - * / // % **
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- Comparisons: < > <= >= == !=
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- Functions: abs, round, min, max, sqrt, sin, cos, tan, log, log10
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- Constants: pi, e
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- Parentheses for grouping
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Examples:
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- "2 + 2" → 4
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- "(10 + 5) * 3" → 45
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- "sqrt(16) + pi" → 7.141592...
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"""
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# TODO: Implement with simpleeval
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# try:
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# result = simple_eval(
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# expression,
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# functions=MATH_FUNCTIONS,
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# names=MATH_CONSTANTS,
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# )
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# return ToolResult(success=True, data=result)
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# except Exception as e:
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# return ToolResult(success=False, error=str(e))
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return ToolResult(success=False, error="Not implemented - install simpleeval")
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