messageReply.py

# The following script has been developed by Amartya Mondal.
# For more details visit https://atm1504.in
# Follow me at https://github.com/atm1504
import json
from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
import time
from datetime import datetime
import requests

# Bot Info
url = 'url of your chat bot'
headers = {
    'Authorization': 'Authentication key',
    'Content-type': 'application/json',
}

driver = webdriver.Chrome('driver/chromedriver')
driver.get("https://web.whatsapp.com/")
wait = WebDriverWait(driver, 600)

# Target user
target = "_amartya_"

time.sleep(10) # time to load the page
x_arg = '//span[contains(@title,' + "'" + target + "'" + ')]'
print(x_arg)
group_title = wait.until(EC.presence_of_element_located((By.XPATH, x_arg)))
group_title.click()

# This function fetches data from the bot.
def getAnswer(query):
    try:
        print(query)
        data = "{'question':'" + query + "'}"
        response = requests.post(url, headers=headers, data=data)
        ans_text = json.loads(response.text)
        entire_response = ans_text["answers"]
        ans = entire_response[0]["answer"]
        print(ans)
        return ans
    except:
        return query

def sendMessage(mssg):
    inp_xpath = '//div[@class="_2S1VP copyable-text selectable-text"][@dir="ltr"][@data-tab="1"]'
    input_box = wait.until(EC.presence_of_element_located((By.XPATH, inp_xpath)))
    input_box.send_keys(mssg + Keys.ENTER)

def getMessage(last_mssg):
    base_mssg_path = '//*[contains(concat( " ", @class, " " ), concat( " ", "message-in", " " ))]'
    all_mssgs = driver.find_elements_by_xpath(base_mssg_path)
    lm = all_mssgs[-1]
    mssg_text = lm.text.split("\n")
    print(mssg_text)
    try:
        replied = lm.find_element_by_class_name("_3FXB1")
        if str(replied.text) != "You · Status":
            raise Exception("Not status")
        lm_text = "Thank you for replying to my status."
    except:
        n = len(mssg_text)
        if n ==4:
            lm_text = mssg_text[2]
        elif n == 3 or n == 1:
            lm_text = "Sorry emoji not supported"
        else:
            lm_text = mssg_text[0]
    if lm_text == last_mssg:
        time.sleep(1)
        getMessage(last_mssg)
    ans = getAnswer(lm_text)
    sendMessage(ans)
    time.sleep(1)
    getMessage(lm_text)
print("ON")
time.sleep(5)  # time to load contents
getMessage("")