mirror of
https://github.com/kuhyx/steam-backlog-enforcer.git
synced 2026-11-11 17:13:50 +01:00
Krzysztof kuhy Rudnicki
356530a01c
`requires-python` and the CI pin already said 3.14, but ruff, mypy and pylint were still grading against 3.10 -- three tools judging an interpreter nothing runs any more, and ruff withholding the pyupgrade fixes that only become safe at the newer target. `pin_ci_python.py` rewrites exactly these three knobs. What the stale target was hiding: `datetime.timezone.utc` where `datetime.UTC` is now correct (UP017), `socket.timeout` where `TimeoutError` is (UP041), deprecated `typing` imports (UP035), PEP 695 `type` aliases (UP040), and ruff's stable formatter applying PEP 758 -- `except (A, B):` becomes `except A, B:`. That last one makes the source 3.14-only at the syntax level, which is what `requires-python = ">=3.14"` already promised; kuhy chose it deliberately over holding ruff a release back (2026-08-29). ruff, ruff-format, mypy --strict and pylint all clean at the new target. The two modified web/ TypeScript files are another session's in-flight work and are deliberately left unstaged. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SfnJmxxsZ534AKk16rC2Gr
96 lines
3.3 KiB
Python
96 lines
3.3 KiB
Python
"""Chrome DevTools Protocol transport for Steam's embedded browser.
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Modern Steam runs its UI in CEF, so collections can only be changed by
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evaluating JS inside it. Split out of
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:mod:`steam_backlog_enforcer.library_hider` to keep both files under the
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250-line cap: this module is pure transport and knows nothing about
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collections.
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"""
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from __future__ import annotations
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import asyncio
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import json
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import logging
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import requests
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import websockets
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logger = logging.getLogger(__name__)
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# NOTE: was 8080, which collided with a different local service (Open WebUI)
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# already bound to 0.0.0.0:8080. requests to 127.0.0.1:8080 resolved to that
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# service instead of steamwebhelper's CDP endpoint (which only bound
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# [::1]:8080), so CDP detection silently never worked. 9222 is the
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# conventional Chrome DevTools debug port and was confirmed free.
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_CDP_PORT = 9222
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_CDP_TIMEOUT = 120
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# ──────────────────────────────────────────────────────────────
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# CDP (Chrome DevTools Protocol) helpers
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# ──────────────────────────────────────────────────────────────
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def _get_shared_js_ws_url() -> str | None:
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"""Query the CDP HTTP endpoint and return the SharedJSContext WS URL."""
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try:
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resp = requests.get(f"http://127.0.0.1:{_CDP_PORT}/json", timeout=5)
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targets = resp.json()
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except OSError, ValueError:
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return None
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for target in targets:
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if target.get("title") == "SharedJSContext":
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ws_url: str = target["webSocketDebuggerUrl"]
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return ws_url
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return None
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async def _evaluate_js_async(ws_url: str, expression: str) -> dict:
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"""Connect to a CDP WebSocket target and evaluate *expression*."""
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async with websockets.connect(ws_url) as ws:
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msg = json.dumps(
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{
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"id": 1,
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"method": "Runtime.evaluate",
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"params": {
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"expression": expression,
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"returnByValue": True,
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"awaitPromise": True,
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},
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}
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)
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await ws.send(msg)
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resp = await asyncio.wait_for(ws.recv(), timeout=_CDP_TIMEOUT)
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return json.loads(resp)
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def _evaluate_js(expression: str) -> dict:
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"""Synchronous wrapper around :func:`_evaluate_js_async`."""
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ws_url = _get_shared_js_ws_url()
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if ws_url is None:
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msg = "SharedJSContext not found on CDP port"
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raise RuntimeError(msg)
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return asyncio.run(_evaluate_js_async(ws_url, expression))
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def _cdp_result_value(result: dict) -> str:
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"""Extract the return value from a CDP Runtime.evaluate response."""
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outer = result.get("result", {})
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inner = outer.get("result", {})
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if "exceptionDetails" in outer:
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exc_details = outer["exceptionDetails"]
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exc = exc_details.get("exception", {})
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desc = (
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inner.get("description")
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or exc.get("description")
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or exc_details.get("text")
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or repr(exc_details)
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)
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logger.debug("CDP exception details: %s", exc_details)
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msg = f"JS evaluation error: {desc}"
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raise RuntimeError(msg)
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value: str = inner.get("value", "")
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return value
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