1 #!/usr/bin/env python

     2 

     3 # like ls -l, but do not print date, user, or non-common mode bit, to avoid

     4 # using globs in tests.

     5 from __future__ import absolute_import, print_function

     6 

     7 import os

     8 import stat

     9 import sys

    10 

    11 def modestr(st):

    12     mode = st.st_mode

    13     result = ''

    14     if mode & stat.S_IFDIR:

    15         result += 'd'

    16     else:

    17         result += '-'

    18     for owner in ['USR', 'GRP', 'OTH']:

    19         for action in ['R', 'W', 'X']:

    20             if mode & getattr(stat, 'S_I%s%s' % (action, owner)):

    21                 result += action.lower()

    22             else:

    23                 result += '-'

    24     return result

    25 

    26 def sizestr(st):

    27     if st.st_mode & stat.S_IFREG:

    28         return '%7d' % st.st_size

    29     else:

    30         # do not show size for non regular files

    31         return ' ' * 7

    32 

    33 os.chdir((sys.argv[1:] + ['.'])[0])

    34 

    35 for name in sorted(os.listdir('.')):

    36     st = os.stat(name)

    37     print('%s %s %s' % (modestr(st), sizestr(st), name))