from __future__ import unicode_literals

import frappe


def execute():
	company = frappe.get_all('Company', filters = {'country': 'India'})
	if not company:
		return

	irn_cancelled_field = frappe.db.exists('Custom Field', {'dt': 'Sales Invoice', 'fieldname': 'irn_cancelled'})
	if irn_cancelled_field:
		frappe.db.set_value('Custom Field', irn_cancelled_field, 'depends_on', 'eval: doc.irn')
		frappe.db.set_value('Custom Field', irn_cancelled_field, 'read_only', 0)