1#!/usr/bin/env python 2 3'''This starts the python interpreter; captures the startup message; then gives 4the user interactive control over the session. Why? For fun... 5 6PEXPECT LICENSE 7 8 This license is approved by the OSI and FSF as GPL-compatible. 9 http://opensource.org/licenses/isc-license.txt 10 11 Copyright (c) 2012, Noah Spurrier <noah@noah.org> 12 PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY 13 PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE 14 COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES. 15 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 16 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 17 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 18 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 21 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 22 23''' 24 25from __future__ import absolute_import 26from __future__ import print_function 27from __future__ import unicode_literals 28 29import pexpect 30 31# Don't do this unless you like being John Malkovich 32# c = pexpect.spawnu('/usr/bin/env python ./python.py') 33 34# Note that, for Python 3 compatibility reasons, we are using spawnu and 35# importing unicode_literals (above). spawnu accepts Unicode input and 36# unicode_literals makes all string literals in this script Unicode by default. 37c = pexpect.spawnu('/usr/bin/env python') 38 39c.expect('>>>') 40print('And now for something completely different...') 41print(''.join(reversed((c.before)))) 42print('Yes, it\'s python, but it\'s backwards.') 43print() 44print('Escape character is \'^]\'.') 45print(c.after, end=' ') 46c.interact() 47c.kill(1) 48print('is alive:', c.isalive()) 49 50