wiki/playwright/README.md

"""
Linux (WSL Debian)

pip install playwright
playwright install --with-deps
"""
def Page():
    def sync(f): 
        import asyncio, threading, queue, functools; asyncio.set_event_loop_policy(None)
        def thread():
            while sync.q.get(): f, a, k = sync.p; sync.p = f(*a, **k); sync.q.task_done()
        if not hasattr(sync, 'q'): sync.q = queue.Queue(); threading.Thread(target=thread).start()
        def wrapper(*a, **k): sync.p = f, a, k; sync.q.put(True); sync.q.join(); return sync.p
        return functools.wraps(f)(wrapper)
    @sync
    def Page():
        from playwright.sync_api import sync_playwright as P
        (context := P().start().firefox.launch().new_context()).set_default_timeout(0)
        for attr in dir(page := context.new_page()):
            if attr[0] != '_' and callable(f := getattr(page, attr)): setattr(page, attr, sync(f))
        page._repr_png_ = page.screenshot
        page.goto = lambda url, goto=page.goto: goto(url if '//' in url else f'https://{url}')
        return page
    return Page()
page = Page()
page.goto('google.com')
page