[enhance] automatic batch creation, move and split

erpnext/controllers/stock_controller.py

@@ -177,6 +177,18 @@ class StockController(AccountsController):
 				stock_ledger.setdefault(sle.voucher_detail_no, []).append(sle)
 		return stock_ledger
 
+	def make_batches(self):
+		'''Create batches if required. Called before submit'''
+		for d in self.items:
+			has_batch_no, create_new_batch = frappe.db.get_value('Item', d.item_code, ['has_batch_no', 'create_new_batch'])
+			if has_batch_no and not d.batch_no and create_new_batch:
+				d.batch_no = frappe.get_doc(dict(
+					doctype='Batch',
+					item=d.item_code,
+					supplier=getattr(self, 'supplier', None),
+					reference_doctype=self.doctype,
+					reference_name=self.name)).insert().name
+
 	def make_adjustment_entry(self, expected_gle, voucher_obj):
 		from erpnext.accounts.utils import get_stock_and_account_difference
 		account_list = [d.account for d in expected_gle]