获取对象所有者，所有组，访问权限

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1. import os, sys
   
2. from stat import *
   
3. def walktree(top, callback):
   
4.     for f in os.listdir(top):
   
5.         pathname = os.path.join(top. f)
   
6.         mode = os.lstat(pathname).st_mode
   
7.         if S_ISDIR(mode):
   
8.             walktree(pathname, callback)
   
9.         elif S_ISREG(mode):
   
10.             # is a file, call the callback function
    
11.             callback(pathname)
    
12.         else:
    
13.             # Unknown file type, print a message
    
14.             print('Skipping %s' % pathname)
    
15. 
    
16. def visitfile(file):
    
17.     print('visiting', file)
    
18. 
    
19. if __name__ == '__main__':
    
20.         walktree(sys.argv[1], visitfile)

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其二：

1. import os
   
2. import pwd
   
3. import grp
   
4. from stat import *
   
5. 
   
6. # input: full path of an Entry, for user and group and access privilige to get
   
7. # output: (user,group,listofprivilige) of that Entry
   
8. def get_user_attr(path):
   
9.     stat = os.stat(path)
   
10.     mode = os.stat(path).st_mode
    
11.     uid = stat.st_uid
    
12.     gid = stat.st_gid
    
13. 
    
14.     is_readable_u = 'r' if (mode & S_IRUSR > 0) else '-'
    
15.     is_readable_g = 'r' if (mode & S_IRGRP > 0) else '-'
    
16.     is_readable_o = 'r' if (mode & S_IROTH > 0) else '-'
    
17. 
    
18.     is_writable_u = 'w' if (mode & S_IWUSR > 0) else '-'
    
19.     is_writable_g = 'w' if (mode & S_IWGRP > 0) else '-'
    
20.     is_writable_o = 'w' if (mode & S_IWOTH > 0) else '-'
    
21. 
    
22.     is_execable_u = 'x' if (mode & S_IXUSR > 0) else '-'
    
23.     is_execable_g = 'x' if (mode & S_IXGRP > 0) else '-'
    
24.     is_execable_o = 'x' if (mode & S_IXOTH > 0) else '-'
    
25. 
    
26.     user_info_ = pwd.getpwuid(uid)
    
27.     user = user_info_.pw_name
    
28. 
    
29.     group_info_ = grp.getgrgid(gid)
    
30.     group = group_info_.gr_name
    
31. 
    
32.     ls_access = []
    
33.     ls_access.append(is_readable_u)
    
34.     ls_access.append(is_writable_u)
    
35.     ls_access.append(is_execable_u)
    
36.     ls_access.append(is_readable_g)
    
37.     ls_access.append(is_writable_g)
    
38.     ls_access.append(is_execable_g)
    
39.     ls_access.append(is_readable_o)
    
40.     ls_access.append(is_writable_o)
    
41.     ls_access.append(is_execable_o)
    
42. 
    
43.     return (user, group, ls_access)
    
44. 
    
45. # input: full path of an Entry, may represents a file, a dir ,a link, and a ?
    
46. # output: line of the path Entry's attribute, with '\n', for write to output file.
    
47. def get_file_attr(path):
    
48. 
    
49.     retStr = "null"
    
50.     mode = os.stat(path).st_mode
    
51.     if S_ISDIR(mode):
    
52.         retStr = '_dir  ' + path + '\n'
    
53.     elif S_ISREG(mode):
    
54.         retStr = '_file ' + path + '\n'
    
55.     elif S_ISLNK(mode):
    
56.         retStr = '_lnk  ' + path + '\n'
    
57.     else:
    
58.         retStr = '?___  ' + path + '\n'
    
59.     return retStr

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以上两法可以获取linux的文件权限、所有者、对象属性。

另附一文：Python速查手册，编程必用。
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