wiki/playwright/README.md

"""
Linux (WSL Debian)

pip install playwright
playwright install --with-deps
"""
# %%
def sync(coro):
    import asyncio, functools
    if not asyncio.iscoroutinefunction(coro): return coro
    @functools.wraps(coro)
    def wrapper(*args, **kwargs):
        loop, future = asyncio.get_event_loop(), asyncio.ensure_future(coro(*args, **kwargs))
        while not future.done(): 
            loop._process_events(loop._selector.select(0))
            if (ready := loop._ready) and (handle := ready.popleft())._cancelled is False:
                task = (tasks := asyncio.tasks._current_tasks).pop(loop, None)
                handle._run(); tasks[loop] = task
        return future.result()
    return wrapper

@sync
async def Page(headless=True):
    from playwright.async_api import async_playwright
    browser = await (await async_playwright().start()).firefox.launch(headless=headless)
    (page := await browser.new_page()).set_default_timeout(0)
    for attr in dir(page):
        if callable(method := getattr(page, attr)): setattr(page, attr, sync(method))
    try:
        from IPython.display import Image
        page.goto = lambda url, goto=page.goto: goto(url) and Image(page.screenshot())
    finally:
        return page
(page := Page()).goto('https://example.org')
print(page.title()) # Example Domain