utils.py 文件源码

def __exit__(self, exc_type, exc_val, exc_tb):
        if exc_type is None:
            self.outfd.flush()
            if self.sync: os.fdatasync(self.fd)
            os.fchmod(self.fd, self.osmode)
            os.rename(self.abspath, self.fname)
        else:
            os.unlink(self.abspath)
        self.outfd.close()
        return False