Added add_students script to add sample students

CDC_Backend/scripts/add_students.py

@@ -0,0 +1,59 @@
+import random
+from django.db.utils import IntegrityError
+from APIs.models import Student
+
+# To run this script run the following command:
+# python manage.py runscript add_students --script-args <add_type> <num_of_stundents_to_add>
+
+def run(*args):
+
+    # Throw error if invalid number of arguments passed
+    if not args:
+        raise ValueError("Invalid number of arguments passed")
+    
+    if args[0] in ("manual", "man") :
+        if not args:
+            raise ValueError("Invalid number of arguments passed")
+        
+        for i in range(1, int(args[1])+1):
+            student = Student.objects.create(
+                id = input("Enter id: "),
+                roll_no = input("Enter roll_no: "),
+                name = input("Enter name: "),
+                branch = input("Enter branch: "),
+                phone_number = input("Enter phone_number: "),
+                cpi = input("Enter cpi: "),
+                degree = input("Enter degree: "),
+                batch = input("Enter batch: ")
+
+            )
+            student.save()
+
+    elif args[0] in ("auto", "automatic"):
+        if not args:
+            raise ValueError("Invalid number of arguments passed")
+        
+        for i in range(1, int(args[1])+1):
+            try:
+                student = Student.objects.create(
+                    id = i-1,
+                    roll_no = 220010000 + i,
+                    name = "Student " + str(i),
+                    branch = random.choice(["CSE", "EE", "MECH", "CHEM", "CIVIL", "EP", "BSMS", "MNC"]),
+                    phone_number = random.randint(1000000000, 9999999999),
+                    cpi = random.random()*10,
+                    degree = "bTech",
+                    batch = random.randint(2018, 2023)
+                )
+                student.save()
+            except IntegrityError:
+                pass
+    
+    elif args[0] in ("del", "delete"):
+        # delete students with name starting with Student
+        s = Student.objects.filter(name__startswith="Student")
+        s.delete()
+
+    else:
+        raise ValueError("Invalid argument passed")
+