py安全沙盒环境

safe.py

def safe_eval(c):
     allow_func = {"print": print, "input": input}
     bytecode = compile(c, "", "eval")
     
     for name in bytecode.co_names:
         if name not in allow_func:
             raise Exception(f"not allowed function: {name}")
             
     return eval(bytecode, {"__builtins__": {}}, allow_func)

safe_eval("""
print(input('please input: '))
""")

# safe_eval("""round(1)""")

safe_eval('''print([sub_class for sub_class in (10).__class__.__base__.__subclasses__()])''')