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"""Worked example: scan visible external links on a page for broken URLs.
Env vars used:
TARGET_URL (default: http://localhost:5173)
Run:
python examples/broken_links.py
"""
import os
import sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).parent.parent))
from playwright.sync_api import sync_playwright
from scripts.safe_actions import build_context_with_headers
TARGET_URL = os.environ.get("TARGET_URL", "http://localhost:5173")
def main() -> int:
with sync_playwright() as p:
browser = p.chromium.launch(headless=True)
context = build_context_with_headers(browser)
page = context.new_page()
page.goto(TARGET_URL)
page.wait_for_load_state("networkidle")
# Collect unique external hrefs
links = page.locator('a[href^="http"]').all()
urls = sorted(
{link.get_attribute("href") for link in links if link.get_attribute("href")}
)
ok, bad, err = 0, 0, 0
for url in urls:
try:
resp = page.request.head(url, timeout=5000)
status = resp.status
if status < 400:
ok += 1
print(f"✓ {status} {url}")
else:
bad += 1
print(f"✗ {status} {url}")
except Exception as ex:
err += 1
print(f"✗ ERR {url} ({type(ex).__name__}: {ex})")
print(f"\n{ok} ok, {bad} broken, {err} errored out of {len(urls)} total")
browser.close()
return 0 if (bad == 0 and err == 0) else 1
if __name__ == "__main__":
sys.exit(main())
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