Python Tutorial: Learn to Save Cisco command Output to Text file | Regex Parser Part 2

#CiscoBackupPython #ParamikoSShbackup #ConfigBackupPython

Playlist: Learn to Parse Cisco Configuration using Python RegEx:re Tutorial
https://www.youtube.com/playlist?list=PLOocymQm7YWY8Eksax8mjRSWbUijb7W93

Playlist: Python Learning for Network Engineers
https://www.youtube.com/watch?v=sG_RiytUA38&list=PLOocymQm7YWakdZkBfCRIC06fv7xQE85N

Playlist: Learn to Read Data From CSV Using Python
https://www.youtube.com/watch?v=3XoVPJkHMFU&list=PLOocymQm7YWYpP_Qkju89vN8BykhvWO5U

Playlist: Paramiko detailed explanation with Example for Network Engineers
https://www.youtube.com/watch?v=A075aWJMAeM&list=PLOocymQm7YWYc73phqzbZ1S3ANrVVpUFN

This is the second video on Regex
Here we will see how take device configuration backup to a text file, take show command output to a text file for checking the configuration parsing logic
Users paramiko and initiates SSH connection, then in python while loop we takes user inputs and executes those commands in the ssh terminal stores that file as a text file
How to give sequence number for file in python,how to execute command in while loop and how to break while loop with specific user inputs ot exit
python replace space in the filename with underscore

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Script
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#! /usr/local/Python_envs/Python3/bin/python3
import paramiko
import time

host = 'csr1.test.lab'
username = 'admin'
password = 'admin'

n = 0
while True:

show_command = input("Enter Show command to execute: ")
if show_command in ['','exit']:
print("Exiting the Code")
break

SESSION = paramiko.SSHClient()
SESSION.set_missing_host_key_policy(paramiko.AutoAddPolicy())
SESSION.connect(host, port=22,
username=username,
password=password,
look_for_keys=False,
allow_agent=False)

DEVICE_ACCESS = SESSION.invoke_shell()
DEVICE_ACCESS.send(b'term length 0\n')
DEVICE_ACCESS.send(f'{show_command}\n')
time.sleep(1)
output = DEVICE_ACCESS.recv(65000)
print (output.decode('ascii'))
SESSION.close()
n = n+1
with open (f"{n:02d}_{show_command.replace(' ','_')}_output.txt", 'w') as f:
f.write(output.decode('ascii'))

print (f"\n{'#' * 50}\nConfiguration Saved Successfully \n{'#' * 50}\n")
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Видео Python Tutorial: Learn to Save Cisco command Output to Text file | Regex Parser Part 2 канала NetworkEvolution