zulip/zephyr/management/commands/render_old_messages.py

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from __future__ import absolute_import
from django.core.management.base import BaseCommand
from zephyr.lib.actions import update_message_flags
from zephyr.models import UserProfile, Message, get_user_profile_by_email
import datetime
import time
class Command(BaseCommand):
help = """Render all historical messages that haven't been rendered yet.
Usage: python manage.py render_old_messages"""
def handle(self, *args, **options):
total_rendered = 0
while True:
messages = Message.objects.filter(rendered_content_version=None)[0:100]
if len(messages) == 0:
break
for message in messages:
message.maybe_render_content(save=True)
total_rendered += len(messages)
print datetime.datetime.now(), total_rendered
# Put in some sleep so this can run safely on low resource machines
time.sleep(0.25)