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 How to run multiple threads with selenium?
#1
Hey,

So I've created a piece of code where my script goes to a given product url and it checks (about every second) if the product is in stock. As soon as it's instock it gives me a notification. Else it tries again.

So my goal is to let 1 instance of my program, try the process described above for multiple product url's at the same time (so not after each other). So I want multiple threads that each checks if the product they are on is instock (so every thread is on a different product).

How do I do this? Thanks in advance,

Julius
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#2
schedule or APScheduler will work fine for this.
You should try yourself,as i have lot of code with selenium can do a test.
import schedule
import time
import threading
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common.keys import Keys
from bs4 import BeautifulSoup

def check_stock():
    options = Options()
    options.add_argument("--headless")
    options.add_argument('--disable-gpu')
    options.add_argument('--log-level=3')
    browser = webdriver.Chrome(executable_path=r'C:\cmder\bin\chromedriver.exe', options=options)
    #--| Parse or automation
    browser.get('https://www.morningstar.com/stocks/XOSL/XXL/quote.html')
    time.sleep(1)
    soup = BeautifulSoup(browser.page_source, 'lxml')
    bid_size = soup.select('div.dp-value.price-down.ng-binding.ng-scope')
    price_sales = soup.select('li:nth-child(9) > div > div.dp-value.ng-binding')
    print(price_sales[0].text.strip())

def check_size():
    options = Options()
    options.add_argument("--headless")
    options.add_argument('--disable-gpu')
    options.add_argument('--log-level=3')
    browser = webdriver.Chrome(executable_path=r'C:\cmder\bin\chromedriver.exe', options=options)
    #--| Parse or automation
    browser.get('https://www.morningstar.com/stocks/XOSL/XXL/quote.html')
    time.sleep(2)
    soup = BeautifulSoup(browser.page_source, 'lxml')
    bid_size = soup.select('div.dp-value.price-down.ng-binding.ng-scope')
    price_sales = soup.select('li:nth-child(9) > div > div.dp-value.ng-binding')
    print(bid_size[0].text.strip())

def run_threaded(job_func):
    job_thread = threading.Thread(target=job_func)
    job_thread.start()

schedule.every(60).seconds.do(run_threaded, check_stock)
schedule.every(20).seconds.do(run_threaded, check_size)
while True:
    schedule.run_pending()
    time.sleep(1)
So calling same site at with different time interval.
The bid size more often(20-sec) that sale price(60-sec).
Output:
10.50×600 10.50×600 0.15 10.50×600 10.50×600 10.50×600 0.15 10.50×600 10.50×600
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