Our first program, chapter2_1.py, extends what we did in the last section with some additional code:
#!/usr/bin/python3 import pexpect devices = {'iosv-1': {'prompt': 'iosv-1#', 'ip': '172.16.1.20'}, 'iosv-2': {'prompt': 'iosv-2#', 'ip': '172.16.1.21'}} username = 'cisco' password = 'cisco' for device in devices.keys(): device_prompt = devices[device]['prompt'] child = pexpect.spawn('telnet ' + devices[device]['ip']) child.expect('Username:') child.sendline(username) child.expect('Password:') child.sendline(password) child.expect(device_prompt) child.sendline('show version | i V') child.expect(device_prompt) print(child.before) child.sendline('exit')
We use a nested dictionary in line 5:
devices = {'iosv-1': {'prompt': ...