[fix] patch missing salary component type based on existing salary slips (#6955)

erpnext/hr/report/monthly_salary_register/monthly_salary_register.py

@@ -63,8 +63,8 @@ def get_salary_slips(filters):
 		order by employee, month""" % conditions, filters, as_dict=1)
 
 	if not salary_slips:
-		msgprint(_("No salary slip found for month: ") + cstr(filters.get("month")) + 
-			_(" and year: ") + cstr(filters.get("fiscal_year")), raise_exception=1)
+		frappe.throw(_("No salary slip found for month {0} and year {1}").format(
+			filters.get("month"), filters.get("fiscal_year")))
 
 	return salary_slips
 

erpnext/patches.txt

@@ -348,3 +348,4 @@ erpnext.patches.v7_1.add_account_user_role_for_timesheet
 erpnext.patches.v7_0.set_base_amount_in_invoice_payment_table
 erpnext.patches.v7_1.update_invoice_status
 erpnext.patches.v7_0.po_status_issue_for_pr_return
+erpnext.patches.v7_1.update_missing_salary_component_type

erpnext/patches/v7_1/update_missing_salary_component_type.py

@@ -0,0 +1,25 @@
+from __future__ import unicode_literals
+
+import frappe
+
+'''
+Some components do not have type set, try and guess whether they turn up in
+earnings or deductions in existing salary slips
+'''
+
+def execute():
+	for s in frappe.db.sql('select name from `tabSalary Component` where ifnull(type, "")=""'):
+		compontent = frappe.get_doc('Salary Component', s[0])
+
+		# guess
+		guess = frappe.db.sql('''select
+			parentfield from `tabSalary Detail`
+			where salary_component=%s limit 1''', s[0])
+
+		if guess:
+			compontent.type = 'Earning' if guess[0][0]=='earnings' else 'Deduction'
+
+		else:
+			compontent.type = 'Deduction'
+
+		compontent.save()