tune migrations

requirements-dev.txt

@@ -6,4 +6,4 @@ djlint~=1.34.0
 isort~=5.12.0
 lxml-stubs
 pre-commit
-pyright==1.1.336
+pyright==1.1.338

takahe/management/commands/backfill_takahe.py

@@ -1,3 +1,5 @@
+from datetime import datetime, timezone
+
 from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
 from django.core.management.base import BaseCommand
@@ -19,6 +21,8 @@ from users.models import User as NeoUser
 
 BATCH_SIZE = 1000
 
+TIMELINE_START = datetime.datetime(2023, 7, 1, tzinfo=timezone.utc)
+
 
 def content_type_id(cls):
     return ContentType.objects.get(app_label="journal", model=cls.__name__.lower()).pk
@@ -115,7 +119,7 @@ class Command(BaseCommand):
                             published=post.published,
                         )
                     )
-                    if post.visibility != 3:
+                    if post.visibility != 3 and post.published > TIMELINE_START:
                         for follower_id in followers[post.author_id]:
                             events.append(
                                 TimelineEvent(