File size: 6,262 Bytes
a36de18 6b1796d a36de18 6b1796d a36de18 |
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 |
import os
import io
import uuid
import base64
import traceback
import contextlib
from typing import Dict, Any
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
from PIL import Image
from langchain_core.tools import tool
class CodeInterpreter:
def __init__(self, allowed_modules = None, max_execution_time = 30, working_directory = None):
"""Initialize the code interpreter with safety measures."""
self.allowed_modules = allowed_modules or [
"numpy", "pandas", "matplotlib", "scipy", "sklearn",
"math", "random", "statistics", "datetime", "collections",
"itertools", "functools", "operator", "re", "json",
"sympy", "networkx", "nltk", "PIL", "pytesseract",
"cmath", "uuid", "tempfile", "requests", "urllib"
]
self.max_execution_time = max_execution_time
self.working_directory = working_directory or os.path.join(os.getcwd())
if not os.path.exists(self.working_directory):
os.makedirs(self.working_directory)
self.globals = {
"__builtins__": __builtins__,
"np": np,
"pd": pd,
"plt": plt,
"Image": Image,
}
def execute_code(self, code: str, language: str = "python") -> Dict[str, Any]:
"""Execute the provided code in the selected programming language."""
language = language.lower()
execution_id = str(uuid.uuid4())
result = {
"execution_id": execution_id,
"status": "error",
"stdout": "",
"stderr": "",
"result": None,
"plots": [],
"dataframes": []
}
try:
return self._execute_python(code, execution_id)
except Exception as e:
result["stderr"] = f"Unsupported Language: {str(e)}"
return result
def _execute_python(self, code: str, execution_id: str) -> dict:
output_buffer = io.StringIO()
error_buffer = io.StringIO()
result = {
"execution_id": execution_id,
"status": "error",
"stdout": "",
"stderr": "",
"result": None,
"plots": [],
"dataframes": []
}
try:
exec_dir = os.path.join(self.working_directory, execution_id)
os.makedirs(exec_dir, exist_ok=True)
plt.switch_backend('Agg')
with contextlib.redirect_stdout(output_buffer), contextlib.redirect_stderr(error_buffer):
exec_result = exec(code, self.globals)
if plt.get_fignums():
for i, fig_num in enumerate(plt.get_fignums()):
fig = plt.figure(fig_num)
img_path = os.path.join(exec_dir, f"plot_{i}.png")
fig.savefig(img_path)
with open(img_path, "rb") as img_file:
img_data = base64.b64encode(img_file.read()).decode('utf-8')
result["plots"].append({
"figure_number": fig_num,
"data": img_data
})
for var_name, var_value in self.globals.items():
if isinstance(var_value, pd.DataFrame) and len(var_value) > 0:
result["dataframes"].append({
"name": var_name,
"head": var_value.head().to_dict(),
"shape": var_value.shape,
"dtypes": str(var_value.dtypes)
})
result["status"] = "success"
result["stdout"] = output_buffer.getvalue()
result["result"] = exec_result
except Exception as e:
result["status"] = "error"
result["stderr"] = f"{error_buffer.getvalue()}\n{traceback.format_exc()}"
return result
interpreter_instance = CodeInterpreter()
@tool
def execute_code_lang(code: str, language: str = "python") -> str:
"""Execute code in python
Args:
code (str): The source code to execute.
language (str): The language of the code. Supported: "python".
Returns:
A string summarizing the execution results (stdout, stderr, errors, plots, dataframes if any).
"""
supported_language = "python"
language = language.lower()
if language != supported_language:
return f"❌ Unsupported language: {language}."
result = interpreter_instance.execute_code(code, language=language)
response = []
if result["status"] == "success":
response.append(f"✅ Code executed successfully in **{language.upper()}**")
if result.get("stdout"):
response.append(
"\n**Standard Output:**\n```\n" + result["stdout"].strip() + "\n```"
)
if result.get("stderr"):
response.append(
"\n**Standard Error (if any):**\n```\n"
+ result["stderr"].strip()
+ "\n```"
)
if result.get("result") is not None:
response.append(
"\n**Execution Result:**\n```\n"
+ str(result["result"]).strip()
+ "\n```"
)
if result.get("dataframes"):
for df_info in result["dataframes"]:
response.append(
f"\n**DataFrame `{df_info['name']}` (Shape: {df_info['shape']})**"
)
df_preview = pd.DataFrame(df_info["head"])
response.append("First 5 rows:\n```\n" + str(df_preview) + "\n```")
if result.get("plots"):
response.append(
f"\n**Generated {len(result['plots'])} plot(s)** (Image data returned separately)"
)
else:
response.append(f"❌ Code execution failed in **{language.upper()}**")
if result.get("stderr"):
response.append(
"\n**Error Log:**\n```\n" + result["stderr"].strip() + "\n```"
)
return "\n".join(response)
|