Merge f0a02ec2d0 into 7ef5c9aac4

CDC_Backend/scripts/add_students.py

@@ -0,0 +1,70 @@
+import random
+from django.db.utils import IntegrityError
+from APIs.models import Student
+
+from APIs.constants import BRANCHES, BATCH_CHOICES, DEGREE_CHOICES
+
+# 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 len(args) != 2 or not args[1].isdigit() or int(args[1]) < 1:
+            raise ValueError("Invalid number of arguments passed")
+
+        print("id\troll_no\tname\tbranch\tphone_number\tcpi\tdegree\tbatch")
+        for i in range(1, int(args[1])+1):
+            details = input()
+            details = details.split(",")
+            details = [i.strip() for i in details]
+            details = [int(details[0]), int(details[1]), details[2], details[3], 
+                       int(details[4]), float(details[5]), details[6], details[7]]
+
+            student = Student.objects.create(
+                id = details[0],
+                roll_no = details[1],
+                name = details[2],
+                branch = details[3],
+                phone_number = details[4],
+                cpi = details[5],
+                degree = details[6],
+                batch = details[7],
+
+            )
+            student.save()
+
+    elif args[0] in ("auto", "automatic"):
+        if len(args) != 2 or not args[1].isdigit() or int(args[1]) < 1:
+            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(BRANCHES),
+                    phone_number = random.randint(1000000000, 9999999999),
+                    cpi = random.random()*10,
+                    degree = random.choice(DEGREE_CHOICES)[0],
+                    batch = random.choice(BATCH_CHOICES)[0],
+                )
+                student.save()
+            except IntegrityError:
+                pass
+    
+    elif args[0] in ("del", "delete"):
+        # delete students with name starting with Student
+        s = Student.objects.filter(name__startswith="Stundent")
+        s.delete()
+
+    else:
+        raise ValueError("Invalid argument passed")
+