重构无人直播助手：内嵌 youLIVE、摄像头直推、推流诊断与 UI 焕新
将 README 改写为产品文档；移除微信/EasyTier/工作台等遗留模块；新增 youLIVE 目标端监控、摄像头推流、质量守卫与转播历史能力。 Co-authored-by: Cursor <cursoragent@cursor.com>
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eric
226
web2_process_runtime.py
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226
web2_process_runtime.py
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"""Process runtime diagnosis (ported from sh2/src/process_runtime_status.py)."""
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from __future__ import annotations
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import re
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from typing import Any
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_FFMPEG_PROGRESS_RE = re.compile(
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r"frame=\s*(?P<frame>\d+).*?"
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r"time=(?P<h>\d+):(?P<m>\d+):(?P<s>\d+(?:\.\d+)?).*?"
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r"speed=\s*(?P<speed>\d+(?:\.\d+)?)x",
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re.IGNORECASE,
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)
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def normalize_log_text(text: str) -> str:
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if not text:
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return ""
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return text.replace("\r\n", "\n").replace("\r", "\n")
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def process_family(process_name: str) -> str:
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low = (process_name or "").strip().lower()
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if low.startswith("camera") or low.startswith("douyin_youtube"):
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return "youtube"
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if low.startswith("youtube"):
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return "youtube"
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if low.startswith("tiktok"):
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return "tiktok"
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if low.startswith("obs"):
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return "obs"
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return "generic"
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def _has_any(text: str, patterns: tuple[str, ...]) -> bool:
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return any(p in text for p in patterns)
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def _looks_like_youtube_key_rejected(tail: str) -> bool:
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youtube_output = _has_any(
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tail,
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(
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"rtmps://a.rtmps.youtube.com/live2/",
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"rtmp://a.rtmp.youtube.com/live2/",
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"youtube.com/live2/",
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),
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)
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if not youtube_output:
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return False
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if not _has_any(tail, ("error opening output", "error opening output file", "error opening output files")):
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return False
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return _has_any(
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tail,
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(
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"io error: end of file",
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"input/output error",
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"error in the pull function",
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"tls @",
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"401",
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"403",
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"unauthorized",
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"forbidden",
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),
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)
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def _looks_like_ffmpeg_progress(tail: str) -> bool:
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return "frame=" in tail and "time=" in tail and _has_any(tail, ("bitrate=", "speed="))
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def _looks_like_ffmpeg_starting(tail: str) -> bool:
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return _has_any(
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tail,
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(
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"starting ffmpeg",
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"ffmpeg command",
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"opening input",
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"opening output",
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"rtmps://a.rtmps.youtube.com/live2/",
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"rtmp://a.rtmp.youtube.com/live2/",
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"youtube.com/live2/",
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),
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)
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def _ffmpeg_progress_samples(tail: str) -> list[dict[str, float | int]]:
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samples: list[dict[str, float | int]] = []
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for match in _FFMPEG_PROGRESS_RE.finditer(tail or ""):
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try:
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frame = int(match.group("frame"))
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media_time = (
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int(match.group("h")) * 3600
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+ int(match.group("m")) * 60
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+ float(match.group("s"))
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)
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speed = float(match.group("speed"))
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except (TypeError, ValueError):
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continue
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samples.append({"frame": frame, "time": media_time, "speed": speed})
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return samples[-8:]
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def _ffmpeg_progress_stalled(samples: list[dict[str, float | int]]) -> bool:
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if len(samples) < 3:
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return False
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tail = samples[-3:]
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frames = {int(row["frame"]) for row in tail}
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times = {round(float(row["time"]), 2) for row in tail}
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return len(frames) == 1 and len(times) == 1
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def _ffmpeg_speed_low(samples: list[dict[str, float | int]], threshold: float = 0.98) -> bool:
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if len(samples) < 4:
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return False
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tail = samples[-4:]
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if not all(float(row["speed"]) < threshold for row in tail):
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return False
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return int(tail[-1]["frame"]) > int(tail[0]["frame"]) or float(tail[-1]["time"]) > float(tail[0]["time"])
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_DISCONNECT_PATTERNS = (
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"client disconnected",
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"connection reset by peer",
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"broken pipe",
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"connection timed out",
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"i/o error",
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"error submitting a packet to muxer",
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"failed to update header",
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)
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def _looks_like_stream_disconnected(tail: str) -> bool:
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return _has_any(tail, _DISCONNECT_PATTERNS)
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def summarize_process_activity(
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process_name: str,
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process_status: str,
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recent_log: str,
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recent_error: str,
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*,
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log_age_seconds: float | None = None,
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ffmpeg_pids: list[int] | None = None,
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) -> dict[str, Any]:
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pids = sorted({int(pid) for pid in (ffmpeg_pids or []) if int(pid) > 0})
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status = (process_status or "").strip().lower()
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family = process_family(process_name)
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tail = normalize_log_text(f"{recent_log}\n{recent_error}")[-8000:].lower()
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progress_samples = _ffmpeg_progress_samples(tail)
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latest_progress = progress_samples[-1] if progress_samples else {}
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progress_stalled = _ffmpeg_progress_stalled(progress_samples)
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speed_low = _ffmpeg_speed_low(progress_samples)
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business_status = "inactive"
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business_note = "进程未运行"
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log_recent = log_age_seconds is None or log_age_seconds <= 20
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has_recent_ffmpeg_progress = _looks_like_ffmpeg_progress(tail) and log_recent
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has_ffmpeg_worker = bool(pids)
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if family == "youtube" and not has_recent_ffmpeg_progress and _looks_like_youtube_key_rejected(tail):
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business_status = "youtube_key_rejected"
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business_note = "YouTube 拒绝了 RTMPS 推流，串流密钥可能无效、过期或与直播活动不匹配"
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elif status in {"online", "running"}:
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if _has_any(
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tail,
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("请在 ", "配置 key", "stream_key", "key=你的stream_key", "串流密钥", "至少需要一个有效"),
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):
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business_status = "misconfigured"
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business_note = "缺少或无法使用 YouTube 串流密钥"
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elif family == "youtube" and _looks_like_stream_disconnected(tail) and not has_recent_ffmpeg_progress:
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business_status = "stream_disconnected"
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business_note = "推流连接已断开，正在等待自动重连或需检查网络"
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elif family == "youtube" and has_recent_ffmpeg_progress and has_ffmpeg_worker and progress_stalled:
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business_status = "source_stalled"
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business_note = "FFmpeg 在运行，但帧/时间进度已停滞"
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elif family == "youtube" and has_recent_ffmpeg_progress and has_ffmpeg_worker and speed_low:
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business_status = "relay_slow"
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business_note = "FFmpeg 在运行，但近期推流速度低于实时"
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elif has_recent_ffmpeg_progress or (has_ffmpeg_worker and _looks_like_ffmpeg_progress(tail)):
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business_status = "streaming"
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business_note = "FFmpeg 正在推流"
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elif family == "youtube" and has_ffmpeg_worker and _looks_like_ffmpeg_starting(tail) and log_recent:
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business_status = "relay_starting"
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business_note = "FFmpeg 已启动，尚未观察到视频进度"
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elif log_age_seconds is not None and log_age_seconds > 180:
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business_status = "stale"
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business_note = f"进程在线但日志 {int(log_age_seconds)} 秒未更新"
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elif family == "youtube" and _has_any(
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tail,
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("等待直播", "循环等待", "检测直播间中", "没有正在监测的直播", "无录制任务", "网址内容获取失败"),
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):
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business_status = "waiting_source"
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business_note = "正在等待源站开播"
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elif family == "youtube" and _has_any(
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tail,
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("开始推流到 youtube", "推流到 youtube", "正在直播中", "[relay_meta]"),
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):
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business_status = "source_live"
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business_note = "源站已开播，但暂未检测到 FFmpeg 推流"
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elif "traceback" in tail or " error " in tail or "[error]" in tail or "错误信息" in tail:
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business_status = "error"
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business_note = "近期日志中出现异常"
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else:
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business_status = "monitoring"
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business_note = "进程在线，正在监测源站"
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elif status in {"stopped", "stopping", "not_found"}:
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business_status = "stopped"
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business_note = "进程未运行"
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elif status == "invalid":
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business_note = "无效的进程名"
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return {
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"business_status": business_status,
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"business_note": business_note,
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"ffmpeg_pids": pids,
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"ffmpeg_active": bool(pids),
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"log_age_seconds": log_age_seconds,
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"ffmpeg_frame": latest_progress.get("frame"),
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"ffmpeg_time_seconds": latest_progress.get("time"),
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"ffmpeg_speed": latest_progress.get("speed"),
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"ffmpeg_progress_stalled": progress_stalled,
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"ffmpeg_speed_low": speed_low,
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"is_pushing": business_status in {"streaming", "relay_slow"}
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or (business_status == "source_stalled" and has_recent_ffmpeg_progress and has_ffmpeg_worker),
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}
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