Windows portable: comfy launch / node install use the system Python instead of the workspace's python_embeded

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@wanjiang263 已经在做这个了。

开始于 2026年10月2日。

  • #964 来自 @wanjiang263 —— 未关闭

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难度
3/5
预计耗时
1-2 天
新手友好度
65/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
python
领域
cli

调研方向

Start with the interpreter resolution behind comfy --json env, then trace how the portable workspace is used by server launch and Manager/node operations. Reproduce with the stated Windows portable layout and verify that launching, Manager detection, and node installation use ..\python_embeded\python.exe rather than system Python.

由索引模型根据 Issue 内容生成。

描述

Summary

With the official ComfyUI Windows portable build as the workspace, comfy-cli resolves the system Python as its interpreter instead of the portable build's own python_embeded. Anything that has to run inside ComfyUI's environment (starting the server, installing custom nodes, Manager detection) then breaks.

Environment

  • Windows 11, RTX 5070 Ti
  • comfy-cli 1.20.0, comfy-mcp 0.10.0
  • ComfyUI 0.36.0, ComfyUI-Manager 4.3 (installed in the portable's embedded Python)
  • Workspace: D:\Ai\ComfyUI_windows_portable\ComfyUI (portable, embedded Python 3.13.11 in ..\python_embeded\python.exe)
  • System Python: 3.14.5 (C:\Users\<user>\AppData\Local\Python\pythoncore-3.14-64\python.exe), where comfy-cli is installed

What I see

comfy --json env reports:

"python": { "version": "3.14.5", "executable": "C:\\Users\\<user>\\AppData\\Local\\Python\\pythoncore-3.14-64\\python.exe" }
"workspace": { "path": "D:\\Ai\\ComfyUI_windows_portable\\ComfyUI", "type": "default",
               "manager_mode": "not-installed", "manager_detected": "none" }
  • manager_mode: not-installed although ComfyUI-Manager 4.3 is installed in the portable's embedded Python (the server started with --enable-manager shows the Manager working).
  • Starting the server through comfy-cli / the launch_comfyui tool of comfy-mcp runs main.py with the system Python 3.14 and fails on imports (the server log ends with ModuleNotFoundError: No module named 'sqlalchemy' in app/assets/lifecycle.py; an earlier attempt showed No module named 'alembic'). The same main.py starts fine with python_embeded\python.exe.
  • The install_node tool of comfy-mcp refuses with "does not have ComfyUI-Manager at all", presumably for the same reason.

Expected

When the workspace is a portable install, comfy-cli should use <portable root>\python_embeded\python.exe for launching ComfyUI and for Manager/node operations (or offer a documented way to point it at that interpreter, e.g. a config key or flag).

Question

Is there already a supported way to set the workspace interpreter for portable installs? I could not find one in comfy --help or the docs. Current workaround: start the server manually with run_nvidia_gpu.bat and install nodes from the UI; everything else (run, templates, model downloads) works.

I searched the open and closed issues of comfy-cli and comfy-mcp for portable/python_embeded/launch and did not find a matching report.

主要语言
Python
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环境准备

  • 没有 Dockerfile 或 Docker Compose 文件
  • 没有 Pull Request 模板
  • 阅读贡献指南

从这里开始

  1. 先读完整个 Issue，再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库，在一个分支上完成修改。
  4. 提交 Pull Request，并在描述里引用这个 Issue 编号。

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