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Python Network Programming Techniques

You're reading from   Python Network Programming Techniques 50 real-world recipes to automate infrastructure networks and overcome networking challenges with Python

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Product type Paperback
Published in Oct 2021
Publisher Packt
ISBN-13 9781838646639
Length 340 pages
Edition 1st Edition
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Author (1):
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Marcel Neidinger Marcel Neidinger
Author Profile Icon Marcel Neidinger
Marcel Neidinger
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Table of Contents (14) Chapters Close

Preface 1. Chapter 1: A Primer on Python 3 2. Chapter 2: Connecting to Network Devices via SSH Using Paramiko FREE CHAPTER 3. Chapter 3: Building Configuration Templates Using Jinja2 4. Chapter 4: Configuring Network Devices Using Netmiko 5. Chapter 5: Model-Driven Programmability with NETCONF and ncclient 6. Chapter 6: Automating Complex Multi-Vendor Networks with NAPALM 7. Chapter 7: Automating Your Network Tests and Deployments with pyATS and Genie 8. Chapter 8: Configuring Devices Using RESTCONF and requests 9. Chapter 9: Consuming Controllers and High-Level Networking APIs with requests 10. Chapter 10: Incorporating your Python Scripts into an Existing Workflow by Writing Custom Ansible Modules 11. Chapter 11: Automating AWS Cloud Networking Infrastructure Using the AWS Python SDK 12. Chapter 12: Automating your Network Security Using Python and the Firepower APIs 13. Other Books You May Enjoy

Retrieving access rules

The access policy resource covered so far in this chapter has, as is very common with REST APIs, more attributes that refer (or link) to another object. Our access policy, for example, also has a list of associated access rules that define which zone is allowed or disallowed from sending traffic to another zone. In this recipe, we will cover the process of retrieving all associated rules for a given access policy.

Getting ready

Open your code editor and start by creating a file called get_access_rules.py. Next, navigate in your terminal to the same directory in which you just created the get_access_rules.py file.

How to do it…

Follow these steps to retrieve all access rules associated with your access policy:

  1. Import the required requests library as well as the json and sys modules from the standard library:
    import requests
    import json
    import sys
    from requests.auth import HTTPBasicAuth
  2. Specify the required variables such as your...
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