Python os.makedev () method
Python OS file / directory methods
Outline
os.makedev () method is used to major and minor device numbers to form a raw device number.
grammar
makedev () method syntax is as follows:
os.makedev(major, minor)
parameter
major - Major device number.
minor - inor device number.
return value
Returns the number.
Examples
The following example demonstrates makedev () method of use:
#!/usr/bin/python # -*- coding: UTF-8 -*- import os, sys path = "/var/www/html/foo.txt" # 获取元组 info = os.lstat(path) # 获取 major 和 minor 设备号 major_dnum = os.major(info.st_dev) minor_dnum = os.minor(info.st_dev) print "Major 设备号 :", major_dnum print "Minor 设备号 :", minor_dnum # 生成设备号 dev_num = os.makedev(major_dnum, minor_dnum) print "设备号 :", dev_num
The above program output is:
Major 设备号 : 0 Minor 设备号 : 103 设备号 : 103