Python Django Tutorials - Implementing a Weather Application

In this tutorial, we will learn how to create a weather application using Django as the backend.Django provides a web framework based on the Python web framework that allows for rapid development and a clean, pragmatic design.

Basic settings

Change Catalog to Weather

cd weather

Start the server

python  runserver

To check if the server is running, go to your web browser and type in the URL. you can now stop the server by pressing the following commandhttp://127.0.0.1:8000/

ctrl-c

realization

 python  startapp main

Go to the main/folder by doing:

cd main 

and create a folder containing the files:templates/main/

Open the project folder using a text editor. The directory structure should be as shown below:

Now add the main application

Edit the file in Weather:

from  import admin
from  import path, include


urlpatterns = [
	path('admin/', ),
	path('', include('')),
]

Edit the file in the master file:

from  import path
from . import views

urlpatterns = [
		path('', ),
]

Edit in the `master file :

from  import render
# Import json to load json data into python dictionary
import json
# Make a request to the api
import 


def index(request):
	if  == 'POST':
		city = ['city']
		''' api key may be expired, please use your own api key
                    Replace api_key with appid="your_api_key_here" ''''

		# Contains JSON data from the API

		source = (
			'/data/2.5/weather?q ='
					+ city + '&appid = your_api_key_here').read()

		# Convert JSON data to dictionary
		list_of_data = (source)

		# data for variable list_of_data
		data = {
			"country_code": str(list_of_data['sys']['country']),
			"coordinate": str(list_of_data['coord']['lon']) + ' '
						+ str(list_of_data['coord']['lat']),
			"temp": str(list_of_data['main']['temp']) + 'k',
			"pressure": str(list_of_data['main']['pressure']),
			"humidity": str(list_of_data['main']['humidity']),
		}
		print(data)
	else:
		data ={}
	return render(request, "main/", data)

You can get your own API key from it:Weather API

Navigate and edit it:Link to index.html filetemplates/main/

Perform migration and migrate:

python  makemigrations
python  migrate

Now, let's run the server to see the weather app.

python  runserver

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