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5+ reasons to choose Python over NodeJS for your Dialogflow bot

This is NOT an article which gives you a comparison of Python and NodeJS when building your Dialogflow bot. This is very specific to my website, and explains how you can make the most of the materials you find on it.

Also, if you have already started using NodeJS, that is OK too. This article will be most useful for those who are just beginning their bot development. 

Python is easier to read

This is easy to observe.

You can compare the documentation for Python code and NodeJS code and see which one is easier to read.

Python is easier to maintain

If you hire a Python programmer to write some code for your Dialogflow bot, and they leave your team, it is usually quite easy for a new hire to maintain their code. This is not nearly as easy in the case of NodeJS

Python is the language of Natural Language Processing

The best NLP library spaCy is built using Python. The most famous open source chatbot framework RASA NLU is built with spaCy.

So someone with Python programming skills will be able to learn NLP more quickly than one without.

You can use spaCy to extract intents from chat logs

This follows from the previous point. You can use spaCy to get the dependency tree of chat log phrases and use them to design your intents. For example, that is what I do in my Autotrain tool.

You can use PyCharm to set up automated conversation testing

It is very easy to set up automated conversation testing for your Dialogflow bots using the PyCharm IDE. I explain why, and also provide some sample Python scripts, in my Improving Dialogflow ES accuracy course.

You can use spaCy to auto-generate test scripts

spaCy can be used to parse your existing training phrases and convert them into test scripts for conversation testing. I discuss the basic idea in the video below.

Use spaCy to understand Dialogflow’s intent matching

You can also use spaCy to analyze your user utterances so you can get a good picture of how Dialogflow’s intent mapping algorithm works

Migrate to RASA NLU more easily

If you ever need to migrate your bot to RASA NLU, you will also be able to do it much more easily for obvious reasons.

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"The magic key I needed as a non-programmer"

The custom payload generator was the magic key I needed (as a non-programmer) to build a good demo with rich responses in DialogFlow Messenger. I've only used it for 30 minutes and am thrilled. I've spent hours trying to figure out some of the intricacies of DialogFlow on my own. Over and over, I kept coming back to Aravind's tutorials available on-line. I trust the other functionalities I learn to use in the app will save me additional time and heartburn.

- Kathleen R
Cofounder, gathrHealth
"Much clearer than the official documentation to be honest"

Thanks a lot for the advice (of buying and following your videos)! They helped a lot indeed. Everything is very clear when you explain, much clearer than the official documentation to be honest 🙂

Neuraz T
Review for Learn Dialogflow CX
"I will strongly recommend this course because even I can learn how to design chatbot (no programming background)"

I think Aravind really did a great job to introduce dialogflow to people like me, without programming background. He organizes his course in very clear manner since I have been a college professor for 20 years. It is very easy for me to recognize how great Aravind’s course is! Very use-friend and very easy to follow. He doesn’t have any strong accent when he gives the lectures. It is so easy for me to understand. Really appreciate it.

Yes, I will strongly recommend this course because even I can learn how to design chatbot (no programming background) after studying Avarind’s course, you definitely can!

Ann Cai
Review for Learn Dialogflow ES

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