erpnext/utilities/naming.py

import frappe
from frappe.model.naming import get_default_naming_series


class NamingSeriesNotSetError(frappe.ValidationError):
	pass


def set_by_naming_series(
	doctype, fieldname, naming_series, hide_name_field=True, make_mandatory=1
):
	"""Change a doctype's naming to user naming series"""
	from frappe.custom.doctype.property_setter.property_setter import make_property_setter

	if naming_series:
		make_property_setter(
			doctype, "naming_series", "hidden", 0, "Check", validate_fields_for_doctype=False
		)
		make_property_setter(
			doctype, "naming_series", "reqd", make_mandatory, "Check", validate_fields_for_doctype=False
		)

		# set values for mandatory
		try:
			frappe.db.sql(
				"""update `tab{doctype}` set naming_series={s} where
				ifnull(naming_series, '')=''""".format(
					doctype=doctype, s="%s"
				),
				get_default_naming_series(doctype),
			)
		except NamingSeriesNotSetError:
			pass

		if hide_name_field:
			make_property_setter(doctype, fieldname, "reqd", 0, "Check", validate_fields_for_doctype=False)
			make_property_setter(
				doctype, fieldname, "hidden", 1, "Check", validate_fields_for_doctype=False
			)
	else:
		make_property_setter(
			doctype, "naming_series", "reqd", 0, "Check", validate_fields_for_doctype=False
		)
		make_property_setter(
			doctype, "naming_series", "hidden", 1, "Check", validate_fields_for_doctype=False
		)

		if hide_name_field:
			make_property_setter(
				doctype, fieldname, "hidden", 0, "Check", validate_fields_for_doctype=False
			)
			make_property_setter(doctype, fieldname, "reqd", 1, "Check", validate_fields_for_doctype=False)

			# set values for mandatory
			frappe.db.sql(
				"""update `tab{doctype}` set `{fieldname}`=`name` where
				ifnull({fieldname}, '')=''""".format(
					doctype=doctype, fieldname=fieldname
				)
			)