Added Student Batch

erpnext/schools/utils.py

@@ -42,3 +42,12 @@ def get_overlap_for(doc, doctype, fieldname, value=None):
 		}, as_dict=True)
 
 	return existing[0] if existing else None
+	
+def validate_duplicate_student(students):
+	unique_students= []
+	for stud in students:
+		if stud.student in unique_students:
+			frappe.throw(_("Student {0} - {1} appears Multiple times in row {2} & {3}")
+				.format(stud.student, stud.student_name, unique_students.index(stud.student)+1, stud.idx))
+		else:
+			unique_students.append(stud.student)