Update playwright/README.md

playwright/README.md

@@ -5,33 +5,34 @@ Linux (WSL Debian)
 pip install playwright
 playwright install --with-deps
 """
-# %%
+def Page():
-def sync(coro):
+    def sync(func):
-    import asyncio, functools
+        if not hasattr(sync, 'call'):
-    if not asyncio.iscoroutinefunction(coro): return coro
+            sync.call = __import__('queue').Queue()
-    @functools.wraps(coro)
+            def server():
-    def wrapper(*args, **kwargs):
+                while sync.call.get():
-        loop, future = asyncio.get_event_loop(), asyncio.ensure_future(coro(*args, **kwargs))
+                    func, args, kwargs = sync.obj
-        while not future.done(): 
+                    sync.obj = func(*args, **kwargs)
-            loop._process_events(loop._selector.select(0))
+                    sync.call.task_done()
-            if (ready := loop._ready) and (handle := ready.popleft())._cancelled is False:
+            __import__('asyncio').set_event_loop_policy(None)
-                task = (tasks := asyncio.tasks._current_tasks).pop(loop, None)
+            __import__('threading').Thread(target=server).start()
-                handle._run(); tasks[loop] = task
+        @__import__('functools').wraps(func)
-        return future.result()
+        def wrapper(*args, **kwargs):
-    return wrapper
+            sync.obj = func, args, kwargs
-
+            sync.call.put(True); sync.call.join()
-@sync
+            return sync.obj
-async def Page(headless=True):
+        return wrapper
-    from playwright.async_api import async_playwright
+    @sync
-    browser = await (await async_playwright().start()).firefox.launch(headless=headless)
+    def Page():
-    (page := await browser.new_page()).set_default_timeout(0)
+        from playwright.sync_api import sync_playwright
-    for attr in dir(page):
+        browser = sync_playwright().start().firefox.launch()
-        if callable(method := getattr(page, attr)): setattr(page, attr, sync(method))
+        (context := browser.new_context()).set_default_timeout(0)
-    try:
+        for attr in dir(page := context.new_page()):
-        from IPython.display import Image
+            if attr[0] != '_' and callable(method := getattr(page, attr)):
-        page.goto = lambda url, goto=page.goto: goto(url) and Image(page.screenshot())
+                setattr(page, attr, sync(method))
-    finally:
+        page._repr_png_ = page.screenshot
         return page
+    return Page()
 (page := Page()).goto('https://example.org')
 print(page.title()) # Example Domain
 ```