121 lines
4.2 KiB
Python
121 lines
4.2 KiB
Python
# -*- coding: utf-8 -*-
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"""启动前环境分析：Python 依赖、ffmpeg、Node/npm、端口提示（Linux）。"""
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from __future__ import annotations
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import importlib.util
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import shutil
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import socket
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import subprocess
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import sys
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def _has_module(name: str) -> bool:
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return importlib.util.find_spec(name) is not None
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def _local_ips() -> list[str]:
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out: list[str] = []
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try:
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hostname = socket.gethostname()
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for info in socket.getaddrinfo(hostname, None, family=socket.AF_INET):
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ip = info[4][0]
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if ip and not ip.startswith("127.") and ip not in out:
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out.append(ip)
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except OSError:
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pass
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return out[:4]
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def _node_major() -> tuple[int | None, str | None]:
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node = shutil.which("node")
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if not node:
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return None, None
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try:
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raw = subprocess.check_output([node, "-v"], stderr=subprocess.STDOUT, text=True).strip()
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except Exception:
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return None, node
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try:
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major = int(raw.lstrip("v").split(".", 1)[0])
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except Exception:
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major = None
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return major, f"{node} ({raw})"
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def print_env_report(
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*,
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dev: bool,
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need_npm: bool,
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host: str,
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port: str,
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next_port: str = "3000",
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) -> None:
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print()
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print("┌── 环境检测 ─────────────────────────────────────────")
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print(f"│ 系统: {sys.platform} Python: {sys.version.split()[0]}")
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ok = True
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for mod, label in (
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("fastapi", "FastAPI"),
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("uvicorn", "Uvicorn"),
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):
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if _has_module(mod):
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print(f"│ ✓ {label} 已安装")
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else:
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print(f"│ ✕ 缺少 {label}，请执行: pip install -r requirements.txt")
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ok = False
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ff = shutil.which("ffmpeg")
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fp = shutil.which("ffplay")
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if ff:
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print(f"│ ✓ ffmpeg: {ff}")
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else:
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print("│ ⚠ 未找到 ffmpeg（推流/录制/OBS 拉流会失败；Docker 镜像已内置）")
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ok = False
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if fp:
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print(f"│ ✓ ffplay: {fp}")
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else:
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print("│ ⚠ 未找到 ffplay（HDMI 全屏播放需要完整 ffmpeg 套件）")
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if need_npm:
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major, node_desc = _node_major()
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npm = shutil.which("npm")
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docker = shutil.which("docker")
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if node_desc:
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if major is not None and major < 18:
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print(f"│ ⚠ Node: {node_desc}（Next.js 推荐 Node 18+；可自动尝试 Docker 兜底）")
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else:
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print(f"│ ✓ Node: {node_desc}")
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else:
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print("│ ✕ 未找到 Node.js（Next.js 构建/开发需要 Node 18+ 或 Docker 兜底）")
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ok = False
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if npm:
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print(f"│ ✓ npm: {npm}")
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else:
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print("│ ⚠ 未找到 npm（若有 Node 18+ 通常可用；否则请安装完整 Node 或启用 Docker）")
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if docker:
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print(f"│ ✓ Docker: {docker}")
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elif major is None or (major is not None and major < 18):
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print("│ ⚠ 无 Docker 时，Node 过低会依赖本机升级才能构建前端")
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print("│")
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print("│ 同机端口提示（若冲突请在 config/runtime.env 修改 PORT）：")
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print("│ 本控制台 API/Web 使用环境变量 PORT（默认见 launch.py）")
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print("│ SRS 常见: 1935/1985/8080/10080 等；代理常见: 7890/9090；Chrome 远程: 9222")
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print("│")
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print(f"│ 监听: {host}:{port}")
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if dev:
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ips = _local_ips()
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print(f"│ 开发 UI: 0.0.0.0:{next_port}（局域网可用本机 IP 访问）")
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if ips:
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print(f"│ 示例: http://{ips[0]}:{next_port}/")
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else:
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if host == "0.0.0.0":
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ips = _local_ips()
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if ips:
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print(f"│ 局域网访问示例: http://{ips[0]}:{port}/")
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else:
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print("│ 局域网访问: http://<本机IP>:%s/" % port)
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print("└────────────────────────────────────────────────────")
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print()
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if not ok and not dev:
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print("[env] 存在警告，仍可尝试启动；若运行失败请按上述提示补全依赖。\n")
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