class CustomUser(AbstractBaseUser, PermissionsMixin):
    first_name   = models.CharField(max_length=254, blank=True)
    second_name  = models.CharField(max_length=254, blank=True)
    email        = models.EmailField(blank=True, unique=True)
    avatar       = models.ImageField('profile picture', upload_to='images/avatars/', null=True, blank=True)

    USERNAME_FIELD = 'email'
    REQUIRED_FIELDS = ['first_name', 'second_name']

    objects = CustomUserManager()

    class Meta:
        verbose_name = _('user')
        verbose_name_plural = _('users')

    def save(self, *args, **kwargs):
        pil_image_obj = Image.open(self.avatar)
        new_image = resizeimage.resize_width(pil_image_obj, 250)

        new_image_io = BytesIO()
        new_image.save(new_image_io, format='JPEG')

        temp_name = self.avatar.name
        self.avatar.delete(save=False)

        self.avatar.save(
            temp_name,
            content=ContentFile(new_image_io.getvalue()),
            save=False
        )

        super(CustomUser, self).save(*args, **kwargs)

def login(request):
    if request.method == 'POST':
        login_form = CustomLoginForm(request.POST)

        email = request.POST.get('email')
        password = request.POST.get('password1')

        user = authenticate(email=email, password=password)

        if user is not None:
            if user.is_active:
                auth_login(request, user)
                print "loggato"
                return HttpResponseRedirect('/')
            else:
                return HttpResponse("Your Pin a Voyage account is disabled.")
        else:
            print "Invalid login details: {0}, {1}".format(email, password)
            return HttpResponse("Invalid login details supplied. Get back to the <a href="/">homepage</a>.")
    else:
        login_form = CustomLoginForm()

    return render(request, 'blog/post_list.html', {})