Python django.contrib.auth.tokens.default_token_generator() Examples

def password_reset(request, is_admin_site=False, template_name='registration/password_reset_form.html',
        domain_override='example.com',
        email_template_name='registration/password_reset_email.html',
        password_reset_form=PasswordResetForm, token_generator=default_token_generator,
        post_reset_redirect=None):
    if post_reset_redirect is None:
        post_reset_redirect = reverse('drawquest.apps.drawquest_auth.views.password_reset_done')
    if request.method == "POST":
        form = password_reset_form(request.POST)
        if form.is_valid():
            opts = {}
            opts['use_https'] = request.is_secure()
            opts['token_generator'] = token_generator
            opts['email_template_name'] = email_template_name
            opts['request'] = request
            if domain_override:
                opts['domain_override'] = domain_override
            if is_admin_site:
                opts['domain_override'] = request.META['HTTP_HOST']
            form.save(**opts)
            return HttpResponseRedirect(post_reset_redirect)
    else:
        form = password_reset_form()
    return r2r_jinja(template_name, {'form': form}, request) 

def save(
        self,
        domain_override=None,
        email_template=None,
        email_subject=None,
        email_sender=None,
        subject_template_name='', # not used
        email_template_name='', # not used
        use_https=False,
        token_generator=default_token_generator,
        from_email=None,
        request=None
    ):
        """Generates a one-use only link for resetting password and sends to the user
        """
        domain = request.get_host()
        password_reset_email(
            self.user_cache,
            token_generator,
            use_https=use_https,
            domain=domain,
            template=email_template,
            subject=email_subject,
            sender=email_sender
        ) 

def save(self, domain_override=None,  # pylint: disable=too-many-arguments
             subject_template_name='registration/password_reset_subject.txt',
             email_template_name='registration/password_reset_email.html',
             use_https=False, token_generator=default_token_generator,
             from_email=None, request=None, html_email_template_name=None,
             extra_email_context=None):
        current_site = Site.objects.get(pk=settings.SITE_ID)
        # call the stock method and just overrides the domain
        super().save(
            current_site.domain,
            subject_template_name,
            email_template_name,
            use_https,
            token_generator,
            from_email,
            request,
            html_email_template_name,
            extra_email_context,
        ) 

def save(self, domain_override=None,
             subject_template_name='registration/password_reset_subject.txt',
             email_template_name='registration/password_reset_email.html',
             use_https=False, token_generator=default_token_generator,
             **kwargs):
        # Complete override, because we have to use our sendmail()
        for user in self.users_cache:
            # Update verification token
            profile = user.userprofile
            profile.email_token = token_generator.make_token(user)
            profile.save()
            sendmail(user, subject_template_name, email_template_name, extra_context={
                'user': user,
                'uid': urlsafe_base64_encode(force_bytes(user.pk)),
                'token': profile.email_token,
                'protocol': use_https and 'https' or 'http',
            }) 

def send(self, users: List[UserProfile]) -> None:
        """Sends one-use only links for resetting password to target users

        """
        for user_profile in users:
            context = {
                'email': user_profile.delivery_email,
                'reset_url': generate_password_reset_url(user_profile, default_token_generator),
                'realm_uri': user_profile.realm.uri,
                'realm_name': user_profile.realm.name,
                'active_account_in_realm': True,
            }
            send_email('zerver/emails/password_reset', to_user_ids=[user_profile.id],
                       from_address=FromAddress.tokenized_no_reply_address(),
                       from_name=FromAddress.security_email_from_name(user_profile=user_profile),
                       context=context) 

def password_reset_confirm(request, uidb36=None, token=None, template_name='registration/password_reset_confirm.html',
                           token_generator=default_token_generator, set_password_form=SetPasswordForm,
                           post_reset_redirect=None):
    """
    View that checks the hash in a password reset link and presents a
    form for entering a new password.
    """
    assert uidb36 is not None and token is not None # checked by URLconf
    if post_reset_redirect is None:
        post_reset_redirect = reverse('drawquest.apps.drawquest_auth.views.password_reset_complete')
    try:
        uid_int = base36_to_int(uidb36)
        user = User.objects.get(id=uid_int)
    except (ValueError, User.DoesNotExist):
        user = None

    ctx = {}

    if user is not None and token_generator.check_token(user, token):
        ctx['validlink'] = True
        if request.method == 'POST':
            form = set_password_form(user, request.POST)
            if form.is_valid():
                form.save()
                return HttpResponseRedirect(post_reset_redirect)
        else:
            form = set_password_form(None)
    else:
        ctx['validlink'] = False
        form = None
    ctx['form'] = form
    return r2r_jinja(template_name, ctx, request) 

def save(self, domain_override=None,
             subject_template_name='registration/password_reset_subject.txt',
             email_template_name='registration/password_reset_email.html',
             use_https=False, token_generator=default_token_generator,
             from_email=None, request=None, html_email_template_name=None,
             extra_email_context=None):
        """
        Generates a one-use only link for resetting password and sends to the
        user.
        """
        email = self.cleaned_data["email"]
        for user in self.get_users(email):
            if not domain_override:
                current_site = get_current_site(request)
                site_name = current_site.name
                domain = current_site.domain
            else:
                site_name = domain = domain_override
            context = {
                'email': email,
                'domain': domain,
                'site_name': site_name,
                'uid': urlsafe_base64_encode(force_bytes(user.pk)),
                'user': user,
                'token': token_generator.make_token(user),
                'protocol': 'https' if use_https else 'http',
            }
            if extra_email_context is not None:
                context.update(extra_email_context)
            self.send_mail(
                subject_template_name, email_template_name, context, from_email,
                email, html_email_template_name=html_email_template_name,
            ) 

def save(self, domain_override=None,
             subject_template_name='registration/password_reset_subject.txt',
             email_template_name='registration/password_reset_email.html',
             use_https=False, token_generator=default_token_generator,
             from_email=None, request=None, html_email_template_name=None,
             extra_email_context=None):
        """
        Generates a one-use only link for resetting password and sends to the
        user.
        """
        email = self.cleaned_data["email"]
        for user in self.get_users(email):
            if not domain_override:
                current_site = get_current_site(request)
                site_name = current_site.name
                domain = current_site.domain
            else:
                site_name = domain = domain_override
            context = {
                'email': user.email,
                'domain': domain,
                'site_name': site_name,
                'uid': urlsafe_base64_encode(force_bytes(user.pk)),
                'user': user,
                'token': token_generator.make_token(user),
                'protocol': 'https' if use_https else 'http',
            }
            if extra_email_context is not None:
                context.update(extra_email_context)
            self.send_mail(subject_template_name, email_template_name,
                           context, from_email, user.email,
                           html_email_template_name=html_email_template_name) 

def save(self, domain_override=None,
             subject_template_name='registration/password_reset_subject.txt',
             email_template_name='registration/password_reset_email.html',
             use_https=False, token_generator=default_token_generator,
             from_email=None, request=None, html_email_template_name=None,
             extra_email_context=None):
        """
        Generate a one-use only link for resetting password and send it to the
        user.
        """
        email = self.cleaned_data["email"]
        for user in self.get_users(email):
            if not domain_override:
                current_site = get_current_site(request)
                site_name = current_site.name
                domain = current_site.domain
            else:
                site_name = domain = domain_override
            context = {
                'email': email,
                'domain': domain,
                'site_name': site_name,
                'uid': urlsafe_base64_encode(force_bytes(user.pk)).decode(),
                'user': user,
                'token': token_generator.make_token(user),
                'protocol': 'https' if use_https else 'http',
                **(extra_email_context or {}),
            }
            self.send_mail(
                subject_template_name, email_template_name, context, from_email,
                email, html_email_template_name=html_email_template_name,
            ) 

def save(self, domain_override=None,
             subject_template_name='registration/password_reset_subject.txt',
             email_template_name='registration/password_reset_email.html',
             use_https=False, token_generator=default_token_generator,
             from_email=None, request=None, html_email_template_name=None,
             extra_email_context=None):
        """
        Generate a one-use only link for resetting password and send it to the
        user.
        """
        email = self.cleaned_data["email"]
        for user in self.get_users(email):
            if not domain_override:
                current_site = get_current_site(request)
                site_name = current_site.name
                domain = current_site.domain
            else:
                site_name = domain = domain_override
            context = {
                'email': email,
                'domain': domain,
                'site_name': site_name,
                'uid': urlsafe_base64_encode(force_bytes(user.pk)).decode(),
                'user': user,
                'token': token_generator.make_token(user),
                'protocol': 'https' if use_https else 'http',
            }
            if extra_email_context is not None:
                context.update(extra_email_context)
            self.send_mail(
                subject_template_name, email_template_name, context, from_email,
                email, html_email_template_name=html_email_template_name,
            ) 

def save(self, domain_override=None,
             subject_template_name='registration/password_reset_subject.txt',
             email_template_name='registration/password_reset_email.html',
             use_https=False, token_generator=default_token_generator,
             from_email=None, request=None, html_email_template_name=None):
        """
        Generates a one-use only link for resetting password and sends to the
        user.
        """
        email = self.cleaned_data["email"]
        for user in self.get_users(email):
            if not domain_override:
                current_site = get_current_site(request)
                site_name = current_site.name
                domain = current_site.domain
            else:
                site_name = domain = domain_override
            context = {
                'email': user.email,
                'domain': domain,
                'site_name': site_name,
                'uid': urlsafe_base64_encode(force_bytes(user.pk)),
                'user': user,
                'token': token_generator.make_token(user),
                'protocol': 'https' if use_https else 'http',
            }

            self.send_mail(subject_template_name, email_template_name,
                           context, from_email, user.email,
                           html_email_template_name=html_email_template_name) 

def password_reset(request,
                   template_name='registration/password_reset_form.html',
                   email_template_name='registration/password_reset_email.html',
                   subject_template_name='registration/password_reset_subject.txt',
                   password_reset_form=PasswordResetForm,
                   token_generator=default_token_generator,
                   post_reset_redirect=None,
                   from_email=None,
                   extra_context=None,
                   html_email_template_name=None,
                   extra_email_context=None):
  if post_reset_redirect is None:
    post_reset_redirect = reverse('password_reset_done')
  else:
    post_reset_redirect = resolve_url(post_reset_redirect)
  if request.method == "POST":
    form = password_reset_form(request.POST)
    if form.is_valid():
      opts = {
        'use_https': request.is_secure(),
        'token_generator': token_generator,
        'from_email': from_email,
        'email_template_name': email_template_name,
        'subject_template_name': subject_template_name,
        'request': request,
        'html_email_template_name': html_email_template_name,
        'extra_email_context': extra_email_context,
      }
      form.save(**opts)
      return HttpResponseRedirect(post_reset_redirect)
  else:
    form = password_reset_form()
  context = {
    'form': form,
    'title': _('Password reset'),
  }
  if extra_context is not None:
    context.update(extra_context)

  return TemplateResponse(request, template_name, context) 

def send_registration_mail(
    request,
    user,
    template=None,
    sender=None,
    token_generator=default_token_generator,
    extra_context=None,
):
    template = template or mailutil.get_email_template(
        default_registration_template_name(), default_registration_template()
    )
    return send_auth_token_mail(
        user,
        request.get_host(),
        request.build_absolute_uri(
            reverse(
                'tracker:confirm_registration',
                kwargs={
                    'uidb64': urlsafe_base64_encode(force_bytes(user.pk)),
                    'token': token_generator.make_token(user),
                },
            )
        ),
        template,
        sender,
        extra_context,
    ) 

def __init__(self, user, site_name=None, domain=None, extra_email_context=None, use_https=False,
                 token_generator=default_token_generator,
                 subject_template_name='registration/password_reset_subject.txt',
                 email_template_name='registration/password_reset_email.html', html_email_template_name=None):
        self.to_emails = [user.email]
        self.site_name = site_name
        self.domain = domain
        self.user = user
        self.token_generator = token_generator
        self.use_https = use_https
        self.extra_email_context = extra_email_context
        self.subject_template_name = subject_template_name
        self.email_template_name = email_template_name
        self.html_email_template_name = html_email_template_name 

def save(self, domain_override=None, subject_template_name='registration/password_reset_subject.txt',
             email_template_name='registration/password_reset_email.html', use_https=False,
             token_generator=default_token_generator, from_email=None, request=None, html_email_template_name=None,
             extra_email_context=None):
        """
        Generates a one-use only link for resetting password and sends to the
        user.
        """

        email = self.cleaned_data["email"]
        for user in self.get_users(email):
            if not domain_override:
                current_site = get_current_site(request)
                site_name = current_site.name
                domain = current_site.domain
            else:
                site_name = domain = domain_override

            PasswordResetEmail(
                user,
                site_name=site_name,
                domain=domain,
                extra_email_context=extra_email_context,
                use_https=use_https,
                token_generator=token_generator,
                subject_template_name=subject_template_name,
                email_template_name=email_template_name,
                html_email_template_name=html_email_template_name
            ).send() 

def __init__(
        self, user, token, token_generator=default_token_generator, *args, **kwargs
    ):
        super(RegistrationConfirmationForm, self).__init__(*args, **kwargs)
        self.user = user
        self.token = token
        self.token_generator = token_generator
        if not self.check_token():
            self.fields = {} 

def save(
        self,
        email_template=None,
        token_generator=default_token_generator,
        from_email=None,
        request=None,
        **kwargs,
    ):
        if not email_template:
            email_template = auth.default_registration_template()
        user = self.get_existing_user()
        if user is None:
            email = self.cleaned_data['email']
            username = email
            if len(username) > 30:
                username = email[:30]
            AuthUser = get_user_model()
            tries = 0
            while user is None and tries < 5:
                try:
                    user = AuthUser.objects.create(
                        username=username, email=email, is_active=False
                    )
                except django.db.utils.IntegrityError:
                    tries += 1
                    username = tracker.util.random_num_replace(
                        username, 8, max_length=30
                    )
            if tries >= 5:
                raise forms.ValidationError(
                    'Something horrible happened, please try again'
                )
        return auth.send_registration_mail(
            request,
            user,
            template=email_template,
            sender=from_email,
            token_generator=token_generator,
        ) 

def save(self, domain_override=None,
             subject_template_name='accounts/emails/password_reset_subject.txt',  # NoQA
             email_template_name='accounts/emails/password_reset_email.html',
             use_https=False, token_generator=default_token_generator,
             from_email=None, request=None, html_email_template_name=None):
        """
        Generates a one-use only link for resetting password and sends to the
        user.
        """
        from django.core.mail import send_mail
        email = self.cleaned_data["email"]
        active_users = User._default_manager.filter(
            email__iexact=email, is_active=True)

        for user in active_users:
            # Make sure that no email is sent to a user that actually has
            # a password marked as unusable
            if not user.has_usable_password():
                continue
            if not domain_override:
                site = get_current_site(request)
                domain = site.domain
            else:
                site = Site(name=domain_override,
                            domain=domain_override)
                domain = site.domain

            context = {
                'email': user.email,
                'domain': domain,
                'site': site,
                'uid': urlsafe_base64_encode(force_bytes(user.pk)),
                'user': user,
                'token': token_generator.make_token(user),
                'protocol': 'https' if use_https else 'http',
                # TODO: dynamically retrieve color from CSS
                'link_color': 'e51e41'
            }

            subject = loader.render_to_string(subject_template_name, context)
            # Email subject *must not* contain newlines
            subject = ''.join(subject.splitlines())

            email = loader.render_to_string(email_template_name, context)

            if html_email_template_name:
                html_email = loader.render_to_string(html_email_template_name,
                                                     context)
            else:
                html_email = None

            send_mail(subject, email, from_email,
                      [user.email], html_message=html_email) 

def password_reset_confirm(request, uidb64=None, token=None,
                           template_name='registration/password_reset_confirm.html',
                           token_generator=default_token_generator,
                           set_password_form=SetPasswordForm,
                           post_reset_redirect=None,
                           extra_context=None):
  """
  View that checks the hash in a password reset link and presents a
  form for entering a new password.
  """
  UserModel = get_user_model()
  assert uidb64 is not None and token is not None  # checked by URLconf
  if post_reset_redirect is None:
    post_reset_redirect = reverse('password_reset_complete')
  else:
    post_reset_redirect = resolve_url(post_reset_redirect)
  try:
    # urlsafe_base64_decode() decodes to bytestring on Python 3
    uid = force_text(urlsafe_base64_decode(uidb64))
    user = UserModel._default_manager.get(pk=uid)  # pylint: disable=protected-access
  except (TypeError, ValueError, OverflowError, UserModel.DoesNotExist):
    user = None

  if user is not None and token_generator.check_token(user, token):
    validlink = True
    title = _('Enter new password')
    if request.method == 'POST':
      form = set_password_form(user, request.POST)
      if form.is_valid():
        form.save()
        messages.success(request, 'Password reset complete.')
        return HttpResponseRedirect(post_reset_redirect)
    else:
      form = set_password_form(user)
  else:
    validlink = False
    form = None
    title = _('Password reset unsuccessful')
  context = {
    'form': form,
    'title': title,
    'validlink': validlink,
  }
  if extra_context is not None:
    context.update(extra_context)

  return TemplateResponse(request, template_name, context) 

def password_reset_confirm(request, uidb64=None, token=None,
                           template_name='registration/password_reset_confirm.html',
                           token_generator=default_token_generator,
                           set_password_form=SetPasswordForm,
                           post_reset_redirect=None,
                           extra_context=None):
    """
    View that checks the hash in a password reset link and presents a
    form for entering a new password.
    """
    warnings.warn("The password_reset_confirm() view is superseded by the "
                  "class-based PasswordResetConfirmView().",
                  RemovedInDjango21Warning, stacklevel=2)
    assert uidb64 is not None and token is not None  # checked by URLconf
    if post_reset_redirect is None:
        post_reset_redirect = reverse('password_reset_complete')
    else:
        post_reset_redirect = resolve_url(post_reset_redirect)
    try:
        # urlsafe_base64_decode() decodes to bytestring on Python 3
        uid = force_text(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 token_generator.check_token(user, token):
        validlink = True
        title = _('Enter new password')
        if request.method == 'POST':
            form = set_password_form(user, request.POST)
            if form.is_valid():
                form.save()
                return HttpResponseRedirect(post_reset_redirect)
        else:
            form = set_password_form(user)
    else:
        validlink = False
        form = None
        title = _('Password reset unsuccessful')
    context = {
        'form': form,
        'title': title,
        'validlink': validlink,
    }
    if extra_context is not None:
        context.update(extra_context)

    return TemplateResponse(request, template_name, context) 

def password_reset(request,
                   template_name='registration/password_reset_form.html',
                   email_template_name='registration/password_reset_email.html',
                   subject_template_name='registration/password_reset_subject.txt',
                   password_reset_form=PasswordResetForm,
                   token_generator=default_token_generator,
                   post_reset_redirect=None,
                   from_email=None,
                   extra_context=None,
                   html_email_template_name=None,
                   extra_email_context=None):
    warnings.warn("The password_reset() view is superseded by the "
                  "class-based PasswordResetView().",
                  RemovedInDjango21Warning, stacklevel=2)
    if post_reset_redirect is None:
        post_reset_redirect = reverse('password_reset_done')
    else:
        post_reset_redirect = resolve_url(post_reset_redirect)
    if request.method == "POST":
        form = password_reset_form(request.POST)
        if form.is_valid():
            opts = {
                'use_https': request.is_secure(),
                'token_generator': token_generator,
                'from_email': from_email,
                'email_template_name': email_template_name,
                'subject_template_name': subject_template_name,
                'request': request,
                'html_email_template_name': html_email_template_name,
                'extra_email_context': extra_email_context,
            }
            form.save(**opts)
            return HttpResponseRedirect(post_reset_redirect)
    else:
        form = password_reset_form()
    context = {
        'form': form,
        'title': _('Password reset'),
    }
    if extra_context is not None:
        context.update(extra_context)

    return TemplateResponse(request, template_name, context) 

def password_reset_confirm(request, uidb64=None, token=None,
                           template_name='registration/password_reset_confirm.html',
                           token_generator=default_token_generator,
                           set_password_form=SetPasswordForm,
                           post_reset_redirect=None,
                           extra_context=None):
    """
    View that checks the hash in a password reset link and presents a
    form for entering a new password.
    """
    UserModel = get_user_model()
    assert uidb64 is not None and token is not None  # checked by URLconf
    if post_reset_redirect is None:
        post_reset_redirect = reverse('password_reset_complete')
    else:
        post_reset_redirect = resolve_url(post_reset_redirect)
    try:
        # urlsafe_base64_decode() decodes to bytestring on Python 3
        uid = force_text(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 token_generator.check_token(user, token):
        validlink = True
        title = _('Enter new password')
        if request.method == 'POST':
            form = set_password_form(user, request.POST)
            if form.is_valid():
                form.save()
                return HttpResponseRedirect(post_reset_redirect)
        else:
            form = set_password_form(user)
    else:
        validlink = False
        form = None
        title = _('Password reset unsuccessful')
    context = {
        'form': form,
        'title': title,
        'validlink': validlink,
    }
    if extra_context is not None:
        context.update(extra_context)

    return TemplateResponse(request, template_name, context) 

def password_reset(request, is_admin_site=False,
                   template_name='registration/password_reset_form.html',
                   email_template_name='registration/password_reset_email.html',
                   subject_template_name='registration/password_reset_subject.txt',
                   password_reset_form=PasswordResetForm,
                   token_generator=default_token_generator,
                   post_reset_redirect=None,
                   from_email=None,
                   extra_context=None,
                   html_email_template_name=None,
                   extra_email_context=None):
    if post_reset_redirect is None:
        post_reset_redirect = reverse('password_reset_done')
    else:
        post_reset_redirect = resolve_url(post_reset_redirect)
    if request.method == "POST":
        form = password_reset_form(request.POST)
        if form.is_valid():
            opts = {
                'use_https': request.is_secure(),
                'token_generator': token_generator,
                'from_email': from_email,
                'email_template_name': email_template_name,
                'subject_template_name': subject_template_name,
                'request': request,
                'html_email_template_name': html_email_template_name,
                'extra_email_context': extra_email_context,
            }
            if is_admin_site:
                warnings.warn(
                    "The is_admin_site argument to "
                    "django.contrib.auth.views.password_reset() is deprecated "
                    "and will be removed in Django 1.10.",
                    RemovedInDjango110Warning, 3
                )
                opts = dict(opts, domain_override=request.get_host())
            form.save(**opts)
            return HttpResponseRedirect(post_reset_redirect)
    else:
        form = password_reset_form()
    context = {
        'form': form,
        'title': _('Password reset'),
    }
    if extra_context is not None:
        context.update(extra_context)

    return TemplateResponse(request, template_name, context) 

def password_reset_confirm(request, uidb64=None, token=None,
                           template_name='registration/password_reset_confirm.html',
                           token_generator=default_token_generator,
                           set_password_form=SetPasswordForm,
                           post_reset_redirect=None,
                           extra_context=None):
    """
    Check the hash in a password reset link and present a form for entering a
    new password.
    """
    warnings.warn("The password_reset_confirm() view is superseded by the "
                  "class-based PasswordResetConfirmView().",
                  RemovedInDjango21Warning, stacklevel=2)
    assert uidb64 is not None and token is not None  # checked by URLconf
    if post_reset_redirect is None:
        post_reset_redirect = reverse('password_reset_complete')
    else:
        post_reset_redirect = resolve_url(post_reset_redirect)
    try:
        # urlsafe_base64_decode() decodes to bytestring
        uid = urlsafe_base64_decode(uidb64).decode()
        user = UserModel._default_manager.get(pk=uid)
    except (TypeError, ValueError, OverflowError, UserModel.DoesNotExist):
        user = None

    if user is not None and token_generator.check_token(user, token):
        validlink = True
        title = _('Enter new password')
        if request.method == 'POST':
            form = set_password_form(user, request.POST)
            if form.is_valid():
                form.save()
                return HttpResponseRedirect(post_reset_redirect)
        else:
            form = set_password_form(user)
    else:
        validlink = False
        form = None
        title = _('Password reset unsuccessful')
    context = {
        'form': form,
        'title': title,
        'validlink': validlink,
    }
    if extra_context is not None:
        context.update(extra_context)

    return TemplateResponse(request, template_name, context) 

def password_reset(request,
                   template_name='registration/password_reset_form.html',
                   email_template_name='registration/password_reset_email.html',
                   subject_template_name='registration/password_reset_subject.txt',
                   password_reset_form=PasswordResetForm,
                   token_generator=default_token_generator,
                   post_reset_redirect=None,
                   from_email=None,
                   extra_context=None,
                   html_email_template_name=None,
                   extra_email_context=None):
    warnings.warn("The password_reset() view is superseded by the "
                  "class-based PasswordResetView().",
                  RemovedInDjango21Warning, stacklevel=2)
    if post_reset_redirect is None:
        post_reset_redirect = reverse('password_reset_done')
    else:
        post_reset_redirect = resolve_url(post_reset_redirect)
    if request.method == "POST":
        form = password_reset_form(request.POST)
        if form.is_valid():
            opts = {
                'use_https': request.is_secure(),
                'token_generator': token_generator,
                'from_email': from_email,
                'email_template_name': email_template_name,
                'subject_template_name': subject_template_name,
                'request': request,
                'html_email_template_name': html_email_template_name,
                'extra_email_context': extra_email_context,
            }
            form.save(**opts)
            return HttpResponseRedirect(post_reset_redirect)
    else:
        form = password_reset_form()
    context = {
        'form': form,
        'title': _('Password reset'),
    }
    if extra_context is not None:
        context.update(extra_context)

    return TemplateResponse(request, template_name, context) 

def password_reset_confirm(request, uidb64=None, token=None,
                           template_name='registration/password_reset_confirm.html',
                           token_generator=default_token_generator,
                           set_password_form=SetPasswordForm,
                           post_reset_redirect=None,
                           current_app=None, extra_context=None):
    """
    View that checks the hash in a password reset link and presents a
    form for entering a new password.
    """
    UserModel = get_user_model()
    assert uidb64 is not None and token is not None  # checked by URLconf
    if post_reset_redirect is None:
        post_reset_redirect = reverse('password_reset_complete')
    else:
        post_reset_redirect = resolve_url(post_reset_redirect)
    try:
        # urlsafe_base64_decode() decodes to bytestring on Python 3
        uid = force_text(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 token_generator.check_token(user, token):
        validlink = True
        title = _('Enter new password')
        if request.method == 'POST':
            form = set_password_form(user, request.POST)
            if form.is_valid():
                form.save()
                return HttpResponseRedirect(post_reset_redirect)
        else:
            form = set_password_form(user)
    else:
        validlink = False
        form = None
        title = _('Password reset unsuccessful')
    context = {
        'form': form,
        'title': title,
        'validlink': validlink,
    }
    if extra_context is not None:
        context.update(extra_context)

    if current_app is not None:
        request.current_app = current_app

    return TemplateResponse(request, template_name, context) 

def password_reset(request, is_admin_site=False,
                   template_name='registration/password_reset_form.html',
                   email_template_name='registration/password_reset_email.html',
                   subject_template_name='registration/password_reset_subject.txt',
                   password_reset_form=PasswordResetForm,
                   token_generator=default_token_generator,
                   post_reset_redirect=None,
                   from_email=None,
                   current_app=None,
                   extra_context=None,
                   html_email_template_name=None):
    if post_reset_redirect is None:
        post_reset_redirect = reverse('password_reset_done')
    else:
        post_reset_redirect = resolve_url(post_reset_redirect)
    if request.method == "POST":
        form = password_reset_form(request.POST)
        if form.is_valid():
            opts = {
                'use_https': request.is_secure(),
                'token_generator': token_generator,
                'from_email': from_email,
                'email_template_name': email_template_name,
                'subject_template_name': subject_template_name,
                'request': request,
                'html_email_template_name': html_email_template_name,
            }
            if is_admin_site:
                warnings.warn(
                    "The is_admin_site argument to "
                    "django.contrib.auth.views.password_reset() is deprecated "
                    "and will be removed in Django 1.10.",
                    RemovedInDjango110Warning, 3
                )
                opts = dict(opts, domain_override=request.get_host())
            form.save(**opts)
            return HttpResponseRedirect(post_reset_redirect)
    else:
        form = password_reset_form()
    context = {
        'form': form,
        'title': _('Password reset'),
    }
    if extra_context is not None:
        context.update(extra_context)

    if current_app is not None:
        request.current_app = current_app

    return TemplateResponse(request, template_name, context)