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Practical Network Automation

You're reading from   Practical Network Automation Leverage the power of Python and Ansible to optimize your network

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Product type Paperback
Published in Nov 2017
Publisher Packt
ISBN-13 9781788299466
Length 266 pages
Edition 1st Edition
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Author (1):
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Abhishek Ratan Abhishek Ratan
Author Profile Icon Abhishek Ratan
Abhishek Ratan
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Table of Contents (8) Chapters Close

Preface 1. Fundamental Concepts FREE CHAPTER 2. Python for Network Engineers 3. Accessing and Mining Data from Network 4. Web Framework for Automation Triggers 5. Ansible for Network Automation 6. Continuous Integration for Network Engineers 7. SDN Concepts in Network Automation

Creating web-specific scripts


Now that we have a running environment that's ready to run our scripts, let's create a very basic script to take a look at how it works:

print('Content-Type: text/plain')
print('')
print('Hello, world!')

On IDLE, we type the preceding code and save it as a Python file (such as testscript.py). Now, as we discussed earlier, for our web reference we mapped a physical directory or location in IIS. The newly created testscript.py needs to be in that folder to be accessible from the web.

The output of the web based URL call for Python script is as follows:

  • As we can see in the preceding screenshot, the script is now called from the browser using the localhost URL. The output is a simple Hello, world ! that was called to be printed in script code.
  • Additionally, the value Content-Type: text/plain specifies that the return values from Python will be simple text that the browser will interpret as plain text rather than HTML.

Now let's look at an example of modifying it to HTML...

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