Javascript Notes (Backend)

BACKEND

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Pt. 1 - Django

Installation and Set-Up

• Open your Python environment

source ./app/venv/bin/activate

• Then, install Django using the following:

pip install django

• Now, to start off, you should make your own project. You can do this by running this in your terminal:

django-admin startproject [INSERT NAME OF PROJECT]

• For convenience, switch to the project folder

cd [INSERT NAME OF PROJECT]

• And try and run it on the host:

python manage.py runserver 0.0.0.0:7860

You should get this upon visiting http://localhost:7860/: (otherwise, you might need to debug!)

Making Pages

python manage.py startapp [INSERT NAME OF APP]

This will create a folder within your project folder (my app is called "first_test" while my project is called "modelworks_chatbot"

To edit what you want to see, go to [INSERT NAME OF APP]/views.py. There is substantial documentation on how to do this, but for simplicity this wiki follows the w3schools guide and uses the following code:

from django.shortcuts import render
from django.http import HttpResponse

def members(request):
    return HttpResponse("Hello world!")

To link what you wrote to the host:

• Create a new file within the APP folder: urls.py
• Copy and paste in the following:

from django.urls import path
from . import views

urlpatterns = [
    path('[INSERT NAME OF APP]/', views.[INSERT NAME OF APP], name='[INSERT NAME OF APP]'),
]

• Go back to the main project folder and go to its urls.py file
• Add the following to its urlpatterns array:
  • path('', include('[INSERT NAME OF APP].urls')),
  • It should look like this:

from django.contrib import admin
from django.urls import include, path

urlpatterns = [
    path('', include('members.urls')),
    path('admin/', admin.site.urls),
]

Now, you can see your work on the host by running it:

python manage.py runserver 0.0.0.0:7860

Then go to http://localhost:7860/[INSERT NAME OF APP] to access what you wrote in [INSERT NAME OF APP]/views.py

Other Language Integration

(wip)

• https://www.w3schools.com/django/django_templates.php
• https://www.geeksforgeeks.org/how-to-connect-django-with-reactjs/

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Pt. 2 - Flask

Installation and Set-Up

• Open your Python environment

source ./app/venv/bin/activate

• Then, install Flask using the following:

pip install flask

• (wip) for changing host: https://www.geeksforgeeks.org/changing-host-ip-address-in-flask/

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Pt. 3 - FastAPI

[need to insert how we got this working]

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FINAL CHOICE

Option	recommended	currently working on all devices	easy to set up	Final
Django	-	-	+	-1
Flask	+ (Elena)	-	-	-1
FastAPI	+ (Elena)	+	+	3

Ultimately, FastAPI was the only framework that was the best for all team members, hence it was chosen for our backend.