Update app.py

app.py

@@ -9,16 +9,41 @@ import shutil
 from io import BytesIO
 import threading
 from datetime import datetime
-from concurrent.futures import ThreadPoolExecutor, as_completed
+from concurrent.futures import ThreadPoolExecutor
 import time
 import random
 import cloudscraper
 from urllib.parse import urlparse
+from concurrent.futures import ThreadPoolExecutor, as_completed
 from selenium import webdriver
 from selenium.webdriver.chrome.options import Options
 from selenium.webdriver.chrome.service import Service
-from webdriver_manager.chrome import ChromeDriverManage
+from webdriver_manager.chrome import ChromeDriverManager
+
+driver = webdriver.Chrome(
+    service=Service(ChromeDriverManager().install()), 
+    options=chrome_opts
+)
+
+stop_event = threading.Event()
+cpu_cores = os.cpu_count() or 4
+
+USER_AGENTS = [
+    "Mozilla/5.0 (Windows NT 10.0; Win64; x64)",
+    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)",
+    "Mozilla/5.0 (Linux; Android 10)",
+    "Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X)"
+]
+
+PROXY_LIST = [
+    "http://user:pass@proxy1:port",
+    "http://user:pass@proxy2:port",
+]
+
+FAILED_LOG_PATH = "failed_downloads.txt"
+BLOCKED_SITES = ["bigw.com.au"]
 
+session = requests.Session()
 # --- Utility Functions ---
 def process_url_images(data, fmt, w, h):
     return process_and_zip(data, fmt, w, h)