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Weather app using Django | Python

Last Updated : 25 May, 2022
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In this tutorial, we will learn how to create a Weather app that uses Django as backend. Django provides a Python Web framework based web framework that allows rapid development and clean, pragmatic design.

Basic Setup –
Change directory to weather –

cd weather

Start the server –

python manage.py runserver

To check whether the server is running or not go to a web browser and enter http://127.0.0.1:8000/ as URL. Now, you can stop the server by pressing

ctrl-c

Implementation :

 python manage.py startapp main

Goto main/ folder by doing : 

cd main

and create a folder with index.html file: templates/main/index.html

Open the project folder using a text editor. The directory structure should look like this :

Now add main app in settings.py

Edit urls.py file in weather :




from django.contrib import admin
from django.urls import path, include
  
  
urlpatterns = [
    path('admin/', admin.site.urls),
    path('', include('main.urls')),
] 






                        








edit urls.py file in main :











                                    




                                    

                                    




                                    




                                    

                                    

                                    
                                




















from django.urls import path 


from . import views 


  


urlpatterns = [ 


         path('', views.index), 


] 



















                        







                        








edit views.py in main :











                                    




                                    

                                    




                                    




                                    

                                    

                                    
                                




















from django.shortcuts import render 


# import json to load json data to python dictionary 


import json 


# urllib.request to make a request to api 


import urllib.request 


  


  


def index(request): 


    if request.method == 'POST': 


        city = request.POST['city'] 


        ''' api key might be expired use your own api_key 


            place api_key in place of appid ="your_api_key_here "  '''


  


        # source contain JSON data from API 


  


        source = urllib.request.urlopen( 


            'http://api.openweathermap.org/data/2.5/weather?q =' 


                    + city + '&appid; = your_api_key_here').read() 


  


        # converting JSON data to a dictionary 


        list_of_data = json.loads(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/index.html", data) 



















                        







                        








You can get your own API key from : Weather API


Navigate to templates/main/index.html and edit it: link to index.html file


Make migrations and migrate it:


python manage.py makemigrations
python manage.py migrate



now let’s run the server to see your weather app.


python manage.py runserver






                                    


                                                                          

                                        

                                                                              

                                                                        

                                        

                                            

                                                

                                                    
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                                                    itsvinayak                                                

                                            

                                            

            
                                        

                                        

                                            

                                                
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