Avoid showing the test@example.com email address on the password reset page

Also updated login form to prompt you to use your username if you fail to login
with what looks like an email address.

pinaxcon/settings.py

@@ -631,3 +631,6 @@ if not DEBUG:
         'security.W004',
         # Don't want to preload HSTS at this stage.
         'security.W021']
+
+
+THEME_CONTACT_EMAIL = CONFERENCE_EMAIL

pinaxcon/urls.py

@@ -1,6 +1,9 @@
+from account.forms import LoginUsernameForm
+from account.views import LoginView
 import debug_toolbar
 from django.conf import settings
 from django.conf.urls.static import static
+from django.core.exceptions import ValidationError
 from django.views.generic import RedirectView
 from django.views.generic import TemplateView
 from django.urls import include, path
@@ -11,6 +14,22 @@ from django.contrib import admin
 import symposion.views
 
 
+class CustomLoginForm(LoginUsernameForm):
+    def clean(self):
+        # To use account.forms.LoginEmailForm, we need to enforce unique
+        # emails. Since we probably already have duplicate emails in the system,
+        # we'll defer that to next year.
+        try:
+            super().clean()
+        except ValidationError as e:
+            if '@' in self.cleaned_data['username']:
+                raise ValidationError(
+                    f'{e.message} Please login with your username, rather than your email.'
+                )
+            else:
+                raise
+
+
 urlpatterns = [
     # Trialling homepage via flatpages.
     # path('', TemplateView.as_view(template_name="homepage.html")),
@@ -27,6 +46,7 @@ urlpatterns = [
     path("teams/", include("symposion.teams.urls")),
     path('raffle/', include("pinaxcon.raffle.urls")),
 
+    path("account/login/", LoginView.as_view(form_class=CustomLoginForm, template_name='account/login.html'), name="account_login"),
     path("account/", include("account.urls")),
 
     # Required by registrasion