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f7e32a5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 | """Tool executor — manages and executes agent tools."""
import json
import math
import time
import asyncio
from datetime import datetime
from typing import Any, Callable, Optional
import logging
logger = logging.getLogger("synapse.tools")
class Tool:
"""Represents a callable tool for the agent."""
def __init__(self, name: str, description: str, parameters: dict,
handler: Callable, requires_gpu: bool = False):
self.name = name
self.description = description
self.parameters = parameters
self.handler = handler
self.requires_gpu = requires_gpu
class ToolExecutor:
"""Registry and executor for all agent tools."""
def __init__(self):
self._tools: dict[str, Tool] = {}
self._register_builtins()
def _register_builtins(self):
self.register(Tool(
name="web_search",
description="Search the internet for current information",
parameters={"query": {"type": "string", "description": "Search query"}},
handler=self._web_search,
))
self.register(Tool(
name="calculator",
description="Perform mathematical calculations",
parameters={"expression": {"type": "string", "description": "Math expression to evaluate"}},
handler=self._calculator,
))
self.register(Tool(
name="get_time",
description="Get current date and time",
parameters={},
handler=self._get_time,
))
self.register(Tool(
name="get_weather",
description="Get weather information for a location",
parameters={"location": {"type": "string", "description": "City name"}},
handler=self._get_weather,
))
self.register(Tool(
name="summarizer",
description="Summarize text content",
parameters={"text": {"type": "string", "description": "Text to summarize"}},
handler=self._summarize,
))
self.register(Tool(
name="translate",
description="Translate text between languages",
parameters={
"text": {"type": "string", "description": "Text to translate"},
"target_lang": {"type": "string", "description": "Target language code"},
},
handler=self._translate,
))
self.register(Tool(
name="unit_converter",
description="Convert between units of measurement",
parameters={
"value": {"type": "number", "description": "Value to convert"},
"from_unit": {"type": "string", "description": "Source unit"},
"to_unit": {"type": "string", "description": "Target unit"},
},
handler=self._unit_convert,
))
self.register(Tool(
name="python_exec",
description="Execute Python code and return the result",
parameters={"code": {"type": "string", "description": "Python code to execute"}},
handler=self._python_exec,
))
self.register(Tool(
name="read_file",
description="Read contents of a file",
parameters={"path": {"type": "string", "description": "File path"}},
handler=self._read_file,
))
def register(self, tool: Tool):
self._tools[tool.name] = tool
def get_tool_definitions(self) -> list[dict]:
return [
{
"name": t.name,
"description": t.description,
"parameters": t.parameters,
}
for t in self._tools.values()
]
async def execute(self, tool_name: str, **kwargs) -> dict:
if tool_name not in self._tools:
return {"error": f"Unknown tool: {tool_name}"}
tool = self._tools[tool_name]
logger.info(f"Executing tool: {tool_name} with args: {list(kwargs.keys())}")
try:
start = time.time()
if asyncio.iscoroutinefunction(tool.handler):
result = await tool.handler(**kwargs)
else:
result = tool.handler(**kwargs)
elapsed = time.time() - start
return {
"success": True,
"result": result,
"tool": tool_name,
"elapsed": round(elapsed, 3),
}
except Exception as e:
logger.error(f"Tool {tool_name} failed: {e}")
return {"success": False, "error": str(e), "tool": tool_name}
async def _web_search(self, query: str = "") -> str:
try:
from duckduckgo_search import DDGS
with DDGS() as ddgs:
results = list(ddgs.text(query, max_results=5))
if not results:
return "No search results found."
parts = []
for r in results:
parts.append(f"**{r.get('title', '')}**\n{r.get('body', '')}\n{r.get('href', '')}")
return "\n\n".join(parts)
except Exception as e:
return f"Search error: {e}"
def _calculator(self, expression: str = "") -> str:
allowed = set("0123456789+-*/.() %")
sanitized = "".join(c for c in expression if c in allowed)
if not sanitized:
return "Invalid expression"
try:
result = eval(sanitized, {"__builtins__": {}}, {"math": math})
return str(result)
except Exception as e:
return f"Calculation error: {e}"
def _get_time(self) -> str:
now = datetime.now()
return now.strftime("%Y-%m-%d %H:%M:%S %A")
async def _get_weather(self, location: str = "") -> str:
return f"Weather data for {location} — check a weather API for live data."
def _summarize(self, text: str = "") -> str:
sentences = text.split(". ")
if len(sentences) <= 3:
return text
summary = ". ".join(sentences[:3]) + "."
return summary
def _translate(self, text: str = "", target_lang: str = "en") -> str:
return f"[Translation to {target_lang}] {text}"
def _unit_convert(self, value: float = 0, from_unit: str = "", to_unit: str = "") -> str:
conversions = {
("km", "mi"): 0.621371,
("mi", "km"): 1.60934,
("kg", "lb"): 2.20462,
("lb", "kg"): 0.453592,
("c", "f"): lambda x: x * 9/5 + 32,
("f", "c"): lambda x: (x - 32) * 5/9,
}
key = (from_unit.lower(), to_unit.lower())
if key in conversions:
conv = conversions[key]
if callable(conv):
result = conv(value)
else:
result = value * conv
return f"{value} {from_unit} = {result:.4f} {to_unit}"
return f"Conversion {from_unit} -> {to_unit} not supported"
def _python_exec(self, code: str = "") -> str:
try:
import io
import contextlib
buffer = io.StringIO()
with contextlib.redirect_stdout(buffer):
exec(code, {"__builtins__": __builtins__}, {})
output = buffer.getvalue()
return output if output else "Code executed successfully (no output)"
except Exception as e:
return f"Execution error: {e}"
def _read_file(self, path: str = "") -> str:
try:
from pathlib import Path
p = Path(path)
if not p.exists():
return f"File not found: {path}"
if p.stat().st_size > 1_000_000:
return "File too large to read"
return p.read_text(errors="replace")
except Exception as e:
return f"Error reading file: {e}"
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