Online Exam Proctoring Tool

import cv2

import face_recognition

import datetime

def log_alert(msg):

    with open("proctoring_log.txt", "a") as f:

        f.write(f"{datetime.datetime.now()} - {msg}\n")

def main():

    cap = cv2.VideoCapture(0)

    if not cap.isOpened():

        print("Could not access webcam.")

        return

    print("[INFO] Proctoring started. Press 'q' to quit.")

    while True:

        ret, frame = cap.read()

        if not ret:

            break

        # Resize frame for faster processing

        small_frame = cv2.resize(frame, (0, 0), fx=0.25, fy=0.25)

        rgb_small_frame = small_frame[:, :, ::-1]

        # Detect all faces

        face_locations = face_recognition.face_locations(rgb_small_frame)

        face_count = len(face_locations)

        # Draw rectangles around faces

        for (top, right, bottom, left) in face_locations:

            top, right, bottom, left = top*4, right*4, bottom*4, left*4

            cv2.rectangle(frame, (left, top), (right, bottom), (0, 255, 0), 2)

        # Check for multiple faces

        if face_count > 1:

            cv2.putText(frame, "ALERT: Multiple Faces Detected!", (10, 30),

                        cv2.FONT_HERSHEY_SIMPLEX, 0.8, (0, 0, 255), 2)

            log_alert("Multiple faces detected!")

        # Show output

        cv2.imshow("Exam Proctoring Feed", frame)

        # Break on 'q' key

        if cv2.waitKey(1) & 0xFF == ord('q'):

            break

    cap.release()

    cv2.destroyAllWindows()

    print("[INFO] Proctoring ended.")

if __name__ == "__main__":

    main()