From cf80f44edcea19bdf0b6b9a5acf1771bdc32a3df Mon Sep 17 00:00:00 2001
From: jay817 <jaewooklee.dev@gmail.com>
Date: Mon, 27 Jan 2025 02:16:16 +0000
Subject: [PATCH] Add browser/README.md

---
 browser/README.md | 58 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 browser/README.md

diff --git a/browser/README.md b/browser/README.md
new file mode 100644
index 0000000..9149cf4
--- /dev/null
+++ b/browser/README.md
@@ -0,0 +1,58 @@
+```python
+def Browser(cdp='localhost:9222', browser=type('', (), {})):
+    import os, json, requests, websocket
+    try: requests.get(f'http://{cdp}/json/version', timeout=0.1)
+    except requests.exceptions.RequestException:
+        os.popen('wsl chromium --proxy-server=172.17.112.1:8080 --ignore-certificate-errors --remote-debugging-port=9222 --remote-allow-origins=*  --user-agent="Mozilla/5.0 (Linux; Android 15) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.6834.122 Mobile Safari/537.36"')
+    browser.url = requests.get(
+        f'http://{cdp}/json/version').json()['webSocketDebuggerUrl']
+    def send(url, request):
+        ws = websocket.create_connection(url)
+        try: ws.send(json.dumps(request)); return json.loads(ws.recv())
+        finally: ws.close()
+    
+    def Page(page=type('', (), {})):
+        page.url = f'ws://{cdp}/devtools/page/' + send(browser.url, {
+                "id": 1,
+                "method": "Target.createTarget",
+                "params": {
+                    "url": "about:blank",
+                    "newWindow": True,
+                    "background": False
+            }
+        })['result']['targetId']
+        
+        def goto(url):
+            if '://' not in url: url = f'https://{url}'
+            send(page.url, {
+                "id": 1,
+                "method": "Page.navigate",
+                "params": {
+                    "url": url
+                }
+            })
+
+        def evaluate(javascript):
+            result = send(page.url, {
+                "id": 1,
+                "method": "Runtime.evaluate",
+                "params": {
+                    "expression": javascript,
+                    "returnByValue": True
+                }
+            })
+            if 'result' in result and 'result' in result['result']:
+                return result['result']['result'].get('value')
+            elif 'exceptionDetails' in result['result']:
+                raise Exception(f"JavaScript execution failed: {result['result']['exceptionDetails']}")
+
+        page.goto = goto
+        page.evaluate = evaluate
+        return page
+    browser.new_page = Page
+    return browser
+browser = Browser()
+page = browser.new_page()
+page.goto('example.org')
+page.evaluate('console.log("hello, world")')
+```
\ No newline at end of file