url(r'^login/$', views.Login, name='login'),
 url(r'^register/$', views.Register.as_view(),  name='register'),
 url(r'^reset_password', views.ResetPasswordRequestView.as_view(), name="password_reset"),
 url(r'^reset_password_confirm/(?P<uidb64>[0-9A-Za-z]+)-(?P<token>.+)/$', views.PasswordResetConfirmView.as_view(), name='reset_password_confirm'),

<form action="" method="post">
    {% csrf_token %}
    {{ form.as_p }}
    <input type="submit" value="Submit"/>
</form>

class ResetPasswordRequestView(FormView):
template_name = 'authentication/password_reset.html'
success_url = 'login'
form_class = PasswordResetRequestForm

def get(self, request, *args, **kwargs):
    form = PasswordResetRequestForm()
    return render(request, 'authentication/password_reset.html', {'form': form})

def post(self, request, *args, **kwargs):
    '''
    A normal post request which takes input from field "email" (in ResetPasswordRequestForm).
    '''
    form = self.form_class(request.POST)
    form_email = ''
    if form.is_valid():
        form_email = form.cleaned_data["email"]
    if self.validate_email_address(form_email):  # uses the method written above
        '''
        Verifies that the submited email is valid and gets its asociated user. If it is registered an
        email will be sent to that address with the reset link
        '''
        user = User.objects.get(email=form_email)
        if user is not None:
            email_template_data = {
                'email': user.email,
                'domain': request.META['HTTP_HOST'],
                'site_name': 'Collector',
                'uid': urlsafe_base64_encode(force_bytes(user.pk)),
                'user': user,
                'token': default_token_generator.make_token(user),
                'protocol': 'http',
            }
            email_template_name = 'authentication/password_reset_email.html'
            subject = 'Password reset on Collector'
            email = loader.render_to_string(email_template_name, email_template_data)

            send_mail(subject, email, DEFAULT_FROM_EMAIL, [user.email], fail_silently=False)
            result = self.form_valid(form)
            messages.success(request,
                         'An email has been sent to ' + form_email + ". Please check its inbox to continue reseting password.")
            return result
        else:
            result = self.form_invalid(form)
            messages.error(request, 'No user is associated with this email address')
            return result

    messages.error(request, 'Invalid Input')
    return self.form_invalid(form)

class PasswordResetConfirmView(FormView):
"""
    View that checks the hash in a password reset link and presents a
    form for entering a new password.
"""
template_name = "authentication/password_reset_enter_new.html"
success_url = 'login'
form_class = SetPasswordForm

def get(self, request, uidb64=None, token=None, *arg, **kwargs):
    form = SetPasswordForm()
    return render(request, "authentication/password_reset_enter_new.html", {'form': form})

def post(self, request, uidb64=None, token=None, *arg, **kwargs):

    UserModel = User
    form = self.form_class(request.POST)
    assert uidb64 is not None and token is not None  # checked by URLconf
    try:
        uid = urlsafe_base64_decode(uidb64)
        user = UserModel._default_manager.get(pk=uid)
    except (TypeError, ValueError, OverflowError, UserModel.DoesNotExist):
        user = None

    if user is not None and default_token_generator.check_token(user, token):
        if form.is_valid():
            new_password = form.cleaned_data['new_password']
            user.set_password(new_password)
            user.save()
            messages.success(request, 'Password has been reset.')
            return self.form_valid(form)
        else:
            messages.error(request, 'Password reset has not been unsuccessful.')
            return self.form_invalid(form)
    else:
        messages.error(request, 'The reset password link is no longer valid.')
        return self.form_invalid(form)

127.0.0.1:8000/authentication/reset_password_confirm/MQ-4gk-262cd9422172a2e21be1/

url(r'^reset_password$', ...)