hooks.py

import logging

from odoo import SUPERUSER_ID, api

_logger = logging.getLogger(__name__)

__all__ = [
    "post_init_hook"
]


def post_init_hook(cr, rule_ref):
    with api.Environment.manage():
        env = api.Environment(cr, SUPERUSER_ID, {})
        instance_company = env.ref('base.main_company')
        instance_company.write({
            'hierarchy_level': 'instance',
            'parent_id': False
        })
        coordinator_companies = instance_company.child_ids
        coordinator_companies.write({'hierarchy_level': 'coordinator'})