Use a separate app for registration

apps/registration/forms.py

@@ -0,0 +1,21 @@
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from django.contrib.auth.forms import UserCreationForm
+from django.contrib.auth.models import User
+from django.utils.translation import gettext_lazy as _
+
+
+class SignUpForm(UserCreationForm):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields['username'].widget.attrs.pop("autofocus", None)
+        self.fields['first_name'].widget.attrs.update({"autofocus": "autofocus"})
+        self.fields['first_name'].required = True
+        self.fields['last_name'].required = True
+        self.fields['email'].required = True
+        self.fields['email'].help_text = _("This address must be valid.")
+
+    class Meta:
+        model = User
+        fields = ('first_name', 'last_name', 'username', 'email', )