sandbox.py 文件源码

def run(self, func):
        """Run 'func' under os sandboxing"""
        try:
            self._copy(self)
            if _file:
                builtins.file = self._file
            builtins.open = self._open
            self._active = True
            return func()
        finally:
            self._active = False
            if _file:
                builtins.file = _file
            builtins.open = _open
            self._copy(_os)