cd weather

python manage.py runserver

ctrl-c

 python manage.py startapp main

cd main 

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

from django.urls import path
from . import views
  
urlpatterns = [
         path('', views.index),
]

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)

python manage.py makemigrations
python manage.py migrate

python manage.py runserver