sanjesh.py

'''
python3 -m venv env
source ./env/bin/activate 
pip3 install setuptools bs4 lxml requests
python3 sanjesh.py
'''

from lxml import html
from time import sleep
from os import system
import requests
from bs4 import BeautifulSoup


class Alarm:
    def __init__(self):
        self.url = 'http://www.sanjesh.org/group.aspx?gid=13'
        self.res = self.scrapping()

    def scrapping(self):
        page = requests.get(self.url)
        beautiful_content = self.__bt(page.content)
        posts = beautiful_content.find_all('ul')[3]  # reading sanjesh post list
        return posts.find_all('li')[0].get_text()

    @staticmethod
    def __bt(content):
        return BeautifulSoup(content, 'html.parser')


# It should be the name of last post before what you want!      
last_text_before_new_post = "اطلاعيه سازمان سنجش آموزش كشور درباره تاريخ و زمان اعلام نتايج اوليه آزمون ورودي دوره دكتري (Ph.D) نيمه متمركزسال 1398"
while True:
    alarm = Alarm()
    last_text = alarm.scrapping()
    if last_text == last_text_before_new_post:
        system('clear')
        print("\033[1;31;40m not yet ...")
        print(last_text)
        sleep(40)
    else:
        print("\033[1;33;40m *****NEW POST******")
        print(last_text)
        break