Run big migration with data from CSV file

big_migration.py

import csv

from django.core import management
from django.core.management import BaseCommand


class Command(BaseCommand):
    def add_arguments(self, parser):
        parser.add_argument('csv_path', nargs='?', type=str)

    def handle(self, *args, **options):
        command_args = ["block_layout_switching_preparations", "--dry-run"]
        with open(options['csv_path'], 'r') as f:
            user_reader = csv.DictReader(f)
            for row in user_reader:
                command_args.append(f'--user-id={row["user_id"]}')
        management.call_command(*command_args)