old_contents: 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: CommandParser) -> None:
          parser.add_argument("dump1", help="First file to compare")
          parser.add_argument("dump2", help="Second file to compare")
  
      def handle(self, *args: Any, **options: Any) -> None:
          total_count = 0
          changed_count = 0
          with open(options["dump1"]) as dump1, open(options["dump2"]) 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(f"Total messages: {total_count}")
          self.stdout.write(f"Changed messages: {changed_count}")
  
new_contents: from typing import Any
  
  import ijson
  from django.core.management.base import BaseCommand, CommandParser
  
  
  class Command(BaseCommand):
      help = """
      Compare rendered messages from files.
      Usage: ./manage.py compare_messages <dump1> <dump2>
      """
  
      def add_arguments(self, parser: CommandParser) -> None:
          parser.add_argument("dump1", help="First file to compare")
          parser.add_argument("dump2", help="Second file to compare")
  
      def handle(self, *args: Any, **options: Any) -> None:
          total_count = 0
          changed_count = 0
          with open(options["dump1"]) as dump1, open(options["dump2"]) 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(f"Total messages: {total_count}")
          self.stdout.write(f"Changed messages: {changed_count}")
  
subject: Fix incorrect help text in compare_messages.