added the example in example/extras #171

Author: SwapnilSonker

examples/extras/chromium_selenium.py

@@ -0,0 +1,57 @@
+import asyncio
+from chromium import ChromiumLoader  # Import the ChromiumLoader class from chromium.py
+from aiohttp import ClientError
+
+
+async def test_scraper(scraper: ChromiumLoader, urls: list):
+    """
+    Test scraper for the given backend and URLs.
+    Args:
+        scraper (ChromiumLoader): The ChromiumLoader instance.
+        urls (list): A list of URLs to scrape.
+    """
+    for url in urls:
+        try:
+            print(f"Scraping: {url} using {scraper.backend}...")
+            result = await scraper.scrape(url)
+            if "Error" in result or not result.strip():
+                print(f"❌ Failed to scrape {url}: {result}")
+            else:
+                print(f"✅ Successfully scraped {url}. Content (first 200 chars): {result[:200]}")
+        except ClientError as ce:
+            print(f"❌ Network error while scraping {url}: {ce}")
+        except Exception as e:
+            print(f"❌ Unexpected error while scraping {url}: {e}")
+
+
+async def main():
+    urls_to_scrape = ["https://example.com", "https://www.python.org", "https://invalid-url.test"]
+
+    # Test with Playwright backend
+    print("\n--- Testing Playwright Backend ---")
+    try:
+        scraper_playwright = ChromiumLoader(urls=urls_to_scrape, backend="playwright", headless=True)
+        await test_scraper(scraper_playwright, urls_to_scrape)
+    except ImportError as ie:
+        print(f"❌ Playwright ImportError: {ie}")
+    except Exception as e:
+        print(f"❌ Error initializing Playwright ChromiumLoader: {e}")
+
+    # Test with Selenium backend
+    print("\n--- Testing Selenium Backend ---")
+    try:
+        scraper_selenium = ChromiumLoader(urls=urls_to_scrape, backend="selenium", headless=True)
+        await test_scraper(scraper_selenium, urls_to_scrape)
+    except ImportError as ie:
+        print(f"❌ Selenium ImportError: {ie}")
+    except Exception as e:
+        print(f"❌ Error initializing Selenium ChromiumLoader: {e}")
+
+
+if __name__ == "__main__":
+    try:
+        asyncio.run(main())
+    except KeyboardInterrupt:
+        print("Program interrupted by user.")
+    except Exception as e:
+        print(f"❌ Program crashed: {e}")