1 # encoding: utf-8
2
3 import os
4 import sys
5 import time
6
7
8 def child(master, slave):
9 os.close(master)
10 os.dup2(slave, 0)
11 os.dup2(slave, 1)
12 os.dup2(slave, 2)
13 os.execvp("/bin/bash", ["bash", "-l", "-i"])
14
15
16 def parent():
17 master, slave = os.openpty()
18 new_pid = os.fork()
19 if new_pid == 0:
20 child(master, slave)
21
22 time.sleep(1)
23 os.close(slave)
24
25 os.write(master, "fg\n")
26 time.sleep(1)
27 _ = os.read(master, 1024)
28
29
30 os.write(master, sys.argv[1] + "\n")
31 time.sleep(1)
32 lines = []
33 while True:
34 tmp = os.read(master, 1024)
35 lines.append(tmp)
36 if len(tmp) < 1024:
37 break
38 output = "".join(lines)
39 output = "\n".join(output.splitlines()[1:])
40 print output
41
42 parent()
