| import frappe | |
| from frappe import _ | |
| class StudentNotInGroupError(frappe.ValidationError): pass | |
| def validate_student_belongs_to_group(student, student_group): | |
| groups = frappe.db.get_all('Student Group Student', ['parent'], dict(student = student, active=1)) | |
| if not student_group in [d.parent for d in groups]: | |
| frappe.throw(_('Student {0} does not belong to group {1}').format(frappe.bold(student), frappe.bold(student_group)), | |
| StudentNotInGroupError) |