generate unique usernames

.gitignore

@@ -2,6 +2,9 @@
 .venv
 /.env
 /neodb.env
+/compose.override.yml
+/neodb-takahe
+
 
 # Byte-compiled / optimized / DLL files
 __pycache__/

users/account.py

@@ -232,6 +232,8 @@ class Meta:
 
     def clean_username(self):
         username = self.cleaned_data.get("username")
+        if not username:
+            raise forms.ValidationError(_("Username is required."))
         if username and self.instance and self.instance.username:
             username = self.instance.username
         elif (

users/management/commands/generate_username.py

@@ -0,0 +1,31 @@
+from datetime import timedelta
+
+from django.core.management.base import BaseCommand
+from django.utils import timezone
+from tqdm import tqdm
+
+from users.models import User
+from users.models.user import _RESERVED_USERNAMES
+
+
+class Command(BaseCommand):
+    help = "Generate unique username"
+
+    def handle(self, *args, **options):
+        count = 0
+        for user in User.objects.filter(username__isnull=True).order_by("date_joined"):
+            if not user.is_active:
+                un = f"-{user.pk}-"
+            else:
+                un = user.mastodon_username
+            if not un:
+                un = f"_{user.pk}"
+            if un.lower() in _RESERVED_USERNAMES:
+                un = f"__{un}"
+            if User.objects.filter(username=un).exists():
+                un = f"{un}_{user.pk}"
+            print(f"{user} -> un")
+            user.username = un
+            user.save(update_fields=["username"])
+            count += 1
+        print(f"{count} users updated")

users/models/user.py

@@ -28,8 +28,20 @@
     "oauth2_login",
     "__",
     "admin",
+    "admins",
+    "administrator",
+    "administrators",
     "api",
     "me",
+    "neodb",
+    "relay",
+    "__relay__",
+    "system",
+    "__system__",
+    "root",
+    "announce",
+    "announcement",
+    "announcements",
 ]