Портал технической службы: наряды и чек-листы, задачи, отказы и неисправности, анализ надёжности, карты, склады, приложение для Android

2026-10-13 09:09:53 +03:00
commit c298f5a830
247 changed files with 23200 additions and 0 deletions
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+"""Минимальный драйвер Chrome/Edge через DevTools Protocol (без Selenium/Playwright)."""
+import asyncio
+import base64
+import json
+import os
+import subprocess
+import tempfile
+import time
+import urllib.request
+
+import websockets
+
+EDGE = r"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
+CHROME = r"C:\Program Files\Google\Chrome\Application\chrome.exe"
+
+
+class Page:
+    """Страница, к которой подключаемся по websocket (Edge headless или Chrome на эмуляторе)."""
+
+    def __init__(self, ws_url):
+        self.ws_url, self.n, self.ws = ws_url, 0, None
+
+    async def open(self):
+        self.ws = await websockets.connect(self.ws_url, max_size=2**27)
+        await self.call("Page.enable")
+        await self.call("Runtime.enable")
+
+    async def close(self):
+        if self.ws:
+            await self.ws.close()
+
+    async def call(self, method, params=None):
+        self.n += 1
+        await self.ws.send(json.dumps({"id": self.n, "method": method, "params": params or {}}))
+        while True:
+            m = json.loads(await self.ws.recv())
+            if m.get("id") == self.n:
+                if "error" in m:
+                    raise RuntimeError(f"{method}: {m['error']}")
+                return m.get("result", {})
+
+    async def eval(self, expr):
+        r = await self.call("Runtime.evaluate", {"expression": expr, "awaitPromise": True, "returnByValue": True})
+        if "exceptionDetails" in r:
+            d = r["exceptionDetails"]
+            raise RuntimeError("JS: " + str(d.get("exception", {}).get("description", d.get("text"))))
+        return r["result"].get("value")
+
+    async def goto(self, url, wait=1.2):
+        await self.call("Page.navigate", {"url": url})
+        await asyncio.sleep(wait)
+
+    async def emulate(self, width, height, dpr=1, mobile=False, ua=None):
+        await self.call("Emulation.setDeviceMetricsOverride", {"width": width, "height": height, "deviceScaleFactor": dpr, "mobile": mobile})
+        await self.call("Emulation.setTouchEmulationEnabled", {"enabled": mobile})
+        if ua:
+            await self.call("Emulation.setUserAgentOverride", {"userAgent": ua})
+
+    async def screenshot(self, path):
+        r = await self.call("Page.captureScreenshot", {"format": "png", "fromSurface": True})
+        with open(path, "wb") as f:
+            f.write(base64.b64decode(r["data"]))
+
+
+class Browser:
+    def __init__(self, port=9333):
+        self.port, self.proc, self.tmp = port, None, None
+
+    def start(self):
+        self.tmp = tempfile.mkdtemp(prefix="guide_edge_")
+        exe = EDGE if os.path.exists(EDGE) else CHROME
+        self.proc = subprocess.Popen([exe, "--headless=new", f"--remote-debugging-port={self.port}", f"--user-data-dir={self.tmp}",
+                                      "--no-first-run", "--no-default-browser-check", "--hide-scrollbars", "--lang=ru-RU",
+                                      "--force-color-profile=srgb", "about:blank"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        for _ in range(60):
+            try:
+                urllib.request.urlopen(f"http://localhost:{self.port}/json/version", timeout=1)
+                return
+            except Exception:
+                time.sleep(0.5)
+        raise RuntimeError("браузер не запустился")
+
+    def page_ws(self):
+        tabs = [t for t in json.load(urllib.request.urlopen(f"http://localhost:{self.port}/json")) if t["type"] == "page"]
+        return tabs[0]["webSocketDebuggerUrl"]
+
+    def stop(self):
+        if self.proc:
+            self.proc.terminate()
+            try:
+                self.proc.wait(10)
+            except Exception:
+                self.proc.kill()