Whatsapp Automatic Message System

birthday.json

[
  {
    "name": "Emre Güzelçin",
    "birth_month": "11",
    "birth_date": "25"
  }
]

WpBot.py

# get current date in required format 
import datetime 
  
# store the birthdates of your contacts 
import json 
   
from selenium import webdriver 
   
# add a delay so that all elements of 
# the webpage are loaded before proceeding 
import time 
  
# Global variable Do not use elsewhere 
eleNM = None 
  
# This function is just to return a  
# string of the message required 
def wish_birth(name): 
    return "Happy Birthday " + name.split(" ")[0] + "!!"
  
# This function returns a list of values of some  
# attribute based on conditions on two attributes from the JSON file. 
# use to return names of contacts having their birthday on current date. 
def getJsonData(file, attr_ret, attr1, attr2, attr_val1, attr_val2): 
      
    # Load the file's data in 'data' variable 
    data = json.load(file) 
    retv =[] 
  
    # If the attribues' value conditions are satisfied,  
    # append the name into the list to be returned. 
    for i in data: 
        if(i[attr1]== attr_val1 and i[attr2]== attr_val2): 
           retv.append(i[attr_ret]) 
    return retv 
  
# Opening the JSON file (birthdays.json) in read only mode. 
data_file = open("birthdays.json", "r") 
namev =[] 
print("Script Running") 
  
# This will keep rerunning the part of  
# the code from 'while True' to 'break'. 
# use to keep waiting for the JSON function 
# to return a non empty list. 
# In practice, this function will keep rerunning at  
# 11:59pm a day before the birthday and break out at 12:00am. 
while True: 
    try: 
        # to get current date 
        datt = datetime.datetime.now() 
        namev = getJsonData(data_file, "name", "birth_month", "birth_date", 
                                           str(datt.month), str(datt.day)) 
  
    except json.decoder.JSONDecodeError: 
        continue
    if(namev !=[]): 
        break
  
# ChromeOptions allows us use the userdata of chrome 
# so that you don't have to sign in manually everytime. 
chropt = webdriver.ChromeOptions() 
  
# adding userdata argument to ChromeOptions object 
chropt.add_argument("user-data-<LOCATION TO YOUR CHROME USER DATA>") 
  
# Creating a Chrome webdriver object 
driver = webdriver.Chrome(executable_path ="/home/yunus/Masaüstü/chromedriver",  
                                                          options = chropt) 
driver.get("https://web.whatsapp.com/") 
  
# delay added to give time for all elements to load 
time.sleep(20) 
  
print(namev) 
  
# Finds the chat of your contacts (as in the namev list) 
for inp in namev: 
    try: 
        eleNM = driver.find_element_by_xpath('//span[@title ="{}"]'.format(inp)) 
    except Exception as ex: 
        print(ex) 
        continue
    # Simulates a mouse click on the element 
    eleNM.click() 
  
    while(True): 
        # Finds the chat box element 
        eleTF = driver.find_element_by_class_name("_13mgZ") 
        # Writes the message(function call to wish_birth()) 
        eleTF.send_keys(wish_birth(inp)) 
        # Finds the Send button 
        eleSND = driver.find_element_by_class_name("_3M-N-") 
        # Simulates a click on it 
        eleSND.click() 
        break