lou
73 lines
2.6 KiB
Python
73 lines
2.6 KiB
Python
"""用 CDP 发真实鼠标拖动, 验证总音量滑块不再被轮询弹回。
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修前: 拖动中每 250ms 被 /api/state 覆盖 -> 松手后跳回旧值
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修后: busy 标志挡住覆盖 -> 停在拖到的位置并生效
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"""
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from __future__ import annotations
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import json
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import subprocess
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import time
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import urllib.request
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import websocket
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API = "http://127.0.0.1:8789"
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page = subprocess.Popen([
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"google-chrome", "--headless=new", "--disable-gpu",
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"--remote-debugging-port=9333", "--remote-allow-origins=*",
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"--user-data-dir=/tmp/cxchrome3", API],
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stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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time.sleep(4)
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tabs = json.load(urllib.request.urlopen("http://127.0.0.1:9333/json/list", timeout=15))
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ws_url = [t for t in tabs if t.get("type") == "page"][0]["webSocketDebuggerUrl"]
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ws = websocket.create_connection(ws_url, timeout=25)
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_mid = [0]
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def cmd(method: str, **params: object) -> dict:
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_mid[0] += 1
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ws.send(json.dumps({"id": _mid[0], "method": method, "params": params}))
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while True:
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msg = json.loads(ws.recv())
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if msg.get("id") == _mid[0]:
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return msg.get("result") or {}
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def js(expr: str) -> object:
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res = cmd("Runtime.evaluate", expression=expr, returnByValue=True)
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return (res.get("result") or {}).get("value")
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box = js("(() => { const r = document.getElementById('vol').getBoundingClientRect();"
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" return [r.left, r.top + r.height/2, r.width, r.height]; })()")
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before = js("document.getElementById('vol').value")
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print("滑块 box =", box, " 拖动前 vol =", before)
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x1 = box[0] + box[2] * 0.5
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x2 = box[0] + box[2] * 0.92
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y = box[1]
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cmd("Input.dispatchMouseEvent", type="mousePressed", x=x1, y=y, button="left", clickCount=1)
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for i in range(1, 11):
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cmd("Input.dispatchMouseEvent", type="mouseMoved",
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x=x1 + (x2 - x1) * i / 10.0, y=y, button="left")
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time.sleep(0.09)
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dragging = js("document.getElementById('vol').value")
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cmd("Input.dispatchMouseEvent", type="mouseReleased", x=x2, y=y, button="left", clickCount=1)
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time.sleep(0.15)
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just_up = js("document.getElementById('vol').value")
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print("拖动中 vol =", dragging, " 刚松手 vol =", just_up)
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time.sleep(1.5)
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after = js("document.getElementById('vol').value")
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srv = json.load(urllib.request.urlopen(API + "/api/state", timeout=15))
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print("1.5 秒后 vol =", after, " 服务端 volume_db =", srv["volume_db"])
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same = abs(float(after) - float(just_up)) < 0.01
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synced = abs(float(after) - float(srv["volume_db"])) < 0.51
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print("结果:", "滑块停住且已生效 OK" if (same and synced) else "仍有回弹/未同步 FAIL")
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ws.close()
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page.terminate()
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