Chatbot Implementation on websites

This is a simple chatbot with a frontend interface.
Programming languages used: python, nodejs, html, css and javascript.

Modules, packages and dependencies

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Python:

1. Install PyTorch (click here). Select your peferences carefully. I have used used pip for installation. Option for installing with conda is also available.

2. Natural Language Toolkit or NLTK.
   You will also need punkt.

   pip3 install ntlk
   
   $ python3
   >>> import ntlk
   >>> nltk.download('punkt')

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Nodejs:

1. Express for creating server.

   npm install express

2. Python-shell. Is is used for connecting python script with nodejs.

   npm install python-shell

3. Nodemon a dev dependency.

   npm install --save-dev nodemon

4. Simply run npm install in the terminal to install all the packages.

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Running the application

The model is already trained.
Change the intents.json file according to your choices and retrain the model. This will create a new data.pth file.
In the root of the folder run the command npm start to start the server. Go to http://localhost:5000 after the connection is established.