zulip/zilencer/management/commands/compare_messages.py

32 lines
1.2 KiB
Python

from typing import Any
import ijson
from django.core.management.base import BaseCommand, CommandParser
class Command(BaseCommand):
help = """
Render messages to a file.
Usage: ./manage.py render_messages <destination> <--amount>
"""
def add_arguments(self, parser):
# type: (CommandParser) -> None
parser.add_argument('dump1', help='First file to compare')
parser.add_argument('dump2', help='Second file to compare')
def handle(self, *args, **options):
# type: (*Any, **Any) -> None
total_count = 0
changed_count = 0
with open(options['dump1'], 'r') as dump1, open(options['dump2'], 'r') as dump2:
for m1, m2 in zip(ijson.items(dump1, 'item'), ijson.items(dump2, 'item')):
total_count += 1
if m1['id'] != m2['id']:
self.stderr.write('Inconsistent messages dump')
break
if m1['content'] != m2['content']:
changed_count += 1
self.stdout.write('Changed message id: {id}'.format(id=m1['id']))
self.stdout.write('Total messages: {count}'.format(count=total_count))
self.stdout.write('Changed messages: {count}'.format(count=changed_count))