Python os.ttyname() Method

Python File(文件) 方法 Python OS File/Directory Methods

Overview

The os.ttyname() method is used to return a string representing the terminal device associated with the file descriptor fd. If fd is not associated with a terminal device, an exception is raised.

Syntax

ttyname()The method syntax is as follows:

os.ttyname(fd)

Parameters

fdfd -- file descriptor

Return Value

Returns a string representing the terminal device associated with the file descriptor fd.

Example

The following example demonstrates the use of the ttyname() method:

#!/usr/bin/python
# -*- coding: UTF-8 -*-

import os, sys

# 显示当前目录
print "当前目录 :%s" %os.getcwd()

# 修改目录为 /dev/tty
fd = os.open("/dev/tty",os.O_RDONLY)

p = os.ttyname(fd)
print "关联的终端为: "
print p
print "done!!"

os.close(fd)
print "关闭文件成功!!"

The output of the above program is:

当前目录 :/tmp
关联的终端为:
/dev/tty
done!!
关闭文件成功!!