Linux Get user home directory

#!/usr/bin/python
#-*-Coding:utf-8-*-
Import Sys
Import OS


Class Get_home_path (object):
def __init__ (self, username):
Self.username = Username
Self.user_dict = {}

def read_passwd (self):
With open ("/etc/passwd", "R") as User_info:
For f in User_info.readlines ():
F_list = F.strip (' \ n '). Split (': ')
Self.user_dict[f_list[0]] = f_list[5]
Return self.user_dict

def get_home_dir (self):
User_dict = SELF.READ_PASSWD ()
Try
Home_dir = User_dict[self.username]
Return Home_dir
Except Exception, E:
Print "%s user not exist!"% E
Sys.exit ()

if __name__ = = ' __main__ ':
If Len (sys.argv) = = 1:
Print Os.path.expanduser (' ~ ')
Elif len (sys.argv) = = 2:
Username = sys.argv[1]
Get_path = Get_home_path (username)
Print Get_path.get_home_dir ()
Else
Print "Parameter input is incorrect,more than one."

Linux Get user home directory