Demo/sockets/finger.py

   1 #! /usr/bin/env python
   2
   3 # Python interface to the Internet finger daemon.
   4 #
   5 # Usage: finger [options] [user][@host] ...
   6 #
   7 # If no host is given, the finger daemon on the local host is contacted.
   8 # Options are passed uninterpreted to the finger daemon!
   9
  10
  11 import sys, string
  12 from socket import *
  13
  14
  15 # Hardcode the number of the finger port here.
  16 # It's not likely to change soon...
  17 #
  18 FINGER_PORT = 79
  19
  20
  21 # Function to do one remote finger invocation.
  22 # Output goes directly to stdout (although this can be changed).
  23 #
  24 def finger(host, args):
  25         s = socket(AF_INET, SOCK_STREAM)
  26         s.connect((host, FINGER_PORT))
  27         s.send(args + '\n')
  28         while 1:
  29                 buf = s.recv(1024)
  30                 if not buf: break
  31                 sys.stdout.write(buf)
  32         sys.stdout.flush()
  33
  34
  35 # Main function: argument parsing.
  36 #
  37 def main():
  38         options = ''
  39         i = 1
  40         while i < len(sys.argv) and sys.argv[i][:1] == '-':
  41                 options = options + sys.argv[i] + ' '
  42                 i = i+1
  43         args = sys.argv[i:]
  44         if not args:
  45                 args = ['']
  46         for arg in args:
  47                 if '@' in arg:
  48                         at = string.index(arg, '@')
  49                         host = arg[at+1:]
  50                         arg = arg[:at]
  51                 else:
  52                         host = ''
  53                 finger(host, options + arg)
  54
  55
  56 # Call the main function.
  57 #
  58 main()