py_pricetracker_1_15.py

import requests
import smtplib
from bs4 import BeautifulSoup

URL = 'your_url'
TARGET_PRICE = your_price (e.g. 10.0)

MAIL_ADDRESS = 'your.mail@gmail.com'
PASSWORD = 'generated_password'

HEADERS = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.163 Safari/537.36'
}

def parse_price(price_text):
    price_text = price_text.replace('€', '')
    price_text = price_text.replace('EUR', '')
    price_text = price_text.strip()
    price_text = price_text.replace('.', '')
    price_text = price_text.replace(',', '.')
    return float(price_text)

def send_email(name, price):
    server = smtplib.SMTP('smtp.gmail.com', 587)
    server.ehlo()
    server.starttls()
    server.ehlo()
    server.login(MAIL_ADDRESS, PASSWORD)

    subject=f"{name} price below {TARGET_PRICE} €"
    body=f"The article {name} is available for {price} €. Check it here: {URL}"
    
    message = f'Subject: {subject}\n\n{body}'
    server.sendmail(MAIL_ADDRESS, MAIL_ADDRESS, message.encode('utf8'))
    server.quit()
    
page = requests.get(URL, headers=HEADERS)
soup = BeautifulSoup(page.content, 'html5lib')
title_span = soup.find('span', id='productTitle')
name = ''
if title_span is not None:
    name = title_span.get_text().strip()

price = 0.0
price_span = soup.find('span', id='priceblock_dealprice')
if price_span is None:
    price_span = soup.find('span', id='priceblock_ourprice')
if price_span is None:
    price_span = soup.find('span', class_=a-color-price')

if price_span is not None:            
    price = parse_price(price_span.get_text())

if price <= TARGET_PRICE:
    send_email(name, price)