#!/usr/bin/python
#
# Block header comment
#
#
import sys, imp, atexit
sys.path.append("/home/courses/cs3214/software/pexpect-dpty/");
import pexpect, shellio, signal, time, os, re, proc_check, getpass, socket

#Ensure the shell process is terminated
def force_shell_termination(shell_process):
	c.close(force=True)

#pulling in the regular expression and other definitions
definitions_scriptname = sys.argv[1]
plugin_dir = sys.argv[2]
def_module = imp.load_source('', definitions_scriptname)
logfile = None
if hasattr(def_module, 'logfile'):
    logfile = def_module.logfile

#spawn an instance of the shell
c = pexpect.spawn(def_module.shell + ' -p ' + plugin_dir, drainpty=True, logfile=logfile)

atexit.register(force_shell_termination, shell_process=c)

c.timeout=5

#start building expected line
usr = getpass.getuser()
host = socket.gethostname()
i = host.index('.')
host = host[:i]
home = os.getenv('HOME')
cwd = os.getcwd()
if cwd.index(home) > -1:
    idx = len(home)
    cwd = '~' + cwd[idx:]

assert c.expect(usr + '@' + host + ':' + cwd + '> ') == 0, "Incorrect prompt"


shellio.success()