View difference between Paste ID: b74wsJGY and 1Uh3KTEA

 from django.shortcuts import render, HttpResponseRedirect,HttpResponse, redirect
 from django.contrib.auth import authenticate, login, logout
 from django.contrib import messages
 from  django.urls import reverse
 from django.contrib.auth.decorators import login_required
 from django.core.mail import send_mail, BadHeaderError
 from django.template.loader import render_to_string
 from django.conf import settings
 import random
 from django.contrib.auth.models import User
 
-# Create your views here.
+
 def home(request):
     context = {}
     if request.session['otp_session_is_valid']:
 	return render(request, 'login/index.html', context)
-    return render(request, 'login/index.html', context)
+    # when otp is not valid redirect to otp_page
     return redirect('otp_page')
-otp = 0
+
 @login_required()
-def otp_page(request):
+def generate_and_send_otp(request):
-    rno = random.randint(100000, 999999)
+    rand_no = random.randint(100000, 999999)
-    global otp
+    otp = str(rand_no)
-    otp = str(rno)
+
     context = {'otp': otp}
-    message = render_to_string('login/otp_email.html', {
+    message = render_to_string('login/otp_email.html', context)
-        'otp': otp
+
-    })
+
     send_mail(subject, message,sender, recipients, fail_silently=True)
     messages.warning(request, ('you have received otp in your mail!'))
 
     request.session['otp'] = otp
     return render(request, 'login/otp_page.html', context)
 
 @login_required()
-    context = {'otp':str(otp)}
+
     user_otp = request.POST.get("otp")
 
     if user_otp == request.session['otp']:
         set_otp_session(request)
         return render(request, 'login/index.html')
 
-    if user_otp == str(otp):
+    messages.success(request, "wrong otp")
     return redirect('otp_page')
-    else:
+
-        messages.success(request, "wrong otp")
+
-        return render(request,  'login/login.html')
+def set_otp_session(request):
     request.session['otp_session_is_valid'] = True
 
 def invalidate_otp_session(request):
     request.session['otp_session_is_valid'] = False
 
 def login_user(request):
 
     context = {}
     return render(request, 'login/login.html', context)
 
 def login_validate(request):
     if request.method == "POST":
         username = request.POST['username']
         password = request.POST['password']
         user = authenticate(request, username = username, password = password)
         if user is not None:
             login(request, user)
             return HttpResponseRedirect(reverse('otp_page'))
         else:
             messages.error(request, "bad username")
 
     context = {}
     return render(request, 'login/login.html', context)
 
 def logout_user(request):
     logout(request)
     invalidate_otp_session(request)
     request.session['otp'] = None
     return redirect('login')