Add chrome/README.md

chrome/README.md

@@ -0,0 +1,58 @@
+```python
+def Chrome(headless=True, agent=None, proxy=None):
+    import requests, subprocess, base64
+    try: requests.get(f'http://localhost:9222', timeout=.1)
+    except: subprocess.Popen(['chrome', f'--remote-debugging-port={9222}',
+        *([f'--user-agent={agent}'] if agent else []),
+        *([f'--proxy-server={proxy}'] if proxy else []),
+        *(['--headless=new'] if headless else []),
+        '--disable-web-security', '--disable-translate',
+        '--ignore-certificate-errors', '--remote-allow-origins=*',
+        '--disable-backgrounding-occluded-windows',])
+    browser = requests.get(f'http://localhost:9222/json/version').json()['webSocketDebuggerUrl']
+    def new_page(self):
+        def send(url, request):
+            import websocket, json; ws = websocket.create_connection(url)
+            try: ws.send(json.dumps(request)); return json.loads(ws.recv())
+            finally: ws.close()
+        page = 'ws://localhost:9222/devtools/page/' + (targetId := send(browser, 
+            dict(id=1, method='Target.createTarget', 
+                params=dict(url='about:blank', newWindow=True))
+        )['result']['targetId'])
+        def evaluate(self, javascript):
+            try: return (res := self('Runtime.evaluate',
+                expression=javascript, returnByValue=True)['result'])['value']
+            except: raise Exception(res)
+        def wait_element(self, selector, timeout=30, check_interval=0.5):
+            import time; start_time = time.time()
+            while time.time() - start_time < timeout:
+                if self.evaluate(
+                    f"document.querySelector('{selector}') ? true : false"): 
+                    return
+                time.sleep(check_interval)
+            raise TimeoutError(f"Element '{selector}' not found within {timeout} seconds")
+        def cookies(self, cookies=None):
+            if cookies is None: return self('Network.getAllCookies')['cookies']
+            self('Network.clearBrowserCookies')
+            for cookie in cookies: self('Network.setCookie', **cookie)
+        def screenshot(self):
+            from IPython.display import HTML
+            display(HTML(f'<img src="data:image/png;base64,{self('Page.captureScreenshot')['data']}">'))
+        def goto(self, url):
+            self('Page.navigate', url=url if '://' in url else f'https://{url}')
+            while self.evaluate('document.readyState') != 'complete':
+                self.sleep(0.1)
+            return True
+        return type('', (), dict(__call__=lambda _, method, **params:
+            send(page, {"id": 1, "method": method, "params": params})['result'],
+            goto=goto,
+            close=lambda self: self('Target.closeTarget', targetId=targetId)['success'],
+            sleep=lambda _, seconds: __import__('time').sleep(seconds),
+            evaluate=evaluate,
+            wait_element=wait_element,
+            cookies=cookies,
+            screenshot=screenshot,
+            source=lambda self: self.evaluate('document.documentElement.outerHTML'),
+        ))()
+    return type('', (), dict(new_page=new_page))()
+```