Foundry VTT MCP Bridge

/** * ComfyUI installation detection utilities */ import * as fs from 'fs'; import * as path from 'path'; import { isMac, isWindows } from './platform.js'; /** * Check if a directory contains a valid ComfyUI installation */ export function isValidComfyUIPath(dirPath: string): boolean { try { const mainPyPath = path.join(dirPath, 'main.py'); return fs.existsSync(mainPyPath) && fs.statSync(mainPyPath).isFile(); } catch (error) { return false; } } /** * Get common ComfyUI installation paths for the current platform */ function getCommonComfyUIPaths(): string[] { const paths: string[] = []; const home = process.env.HOME || process.env.USERPROFILE || ''; if (isWindows()) { const localAppData = process.env.LOCALAPPDATA || 'C:\\Users\\Default\\AppData\\Local'; // Windows paths paths.push( `${localAppData}\\FoundryMCPServer\\ComfyUI-headless`, `${localAppData}\\ComfyUI`, 'C:\\ComfyUI', `${home}\\ComfyUI` ); } else if (isMac()) { const appSupport = `${home}/Library/Application Support`; // Mac paths - prioritize headless installer using system Python paths.push( '/Applications/FoundryMCPServer.app/Contents/Resources/ComfyUI', // Headless install (uses system Python) `${appSupport}/FoundryMCPServer/ComfyUI-headless`, `${appSupport}/ComfyUI`, '/Applications/ComfyUI.app/Contents/Resources/ComfyUI', // Desktop app (legacy) `${home}/ComfyUI`, '/opt/ComfyUI', '/usr/local/ComfyUI' ); } else { // Linux paths paths.push( `${home}/.local/share/FoundryMCPServer/ComfyUI-headless`, `${home}/ComfyUI`, '/opt/ComfyUI', '/usr/local/ComfyUI' ); } return paths; } /** * Attempt to detect an existing ComfyUI installation * Returns the path if found, or null if not found */ export function detectComfyUIInstallation(): string | null { const commonPaths = getCommonComfyUIPaths(); for (const dirPath of commonPaths) { if (isValidComfyUIPath(dirPath)) { return dirPath; } } return null; } /** * Get the ComfyUI Desktop download URL for Mac */ export function getComfyUIDesktopURL(): string { return 'https://www.comfy.org/download'; } /** * Check if ComfyUI Desktop is likely installed on Mac */ export function isComfyUIDesktopInstalled(): boolean { if (!isMac()) { return false; } const appPath = '/Applications/ComfyUI.app'; try { return fs.existsSync(appPath); } catch (error) { return false; } } /** * Get Python command for running ComfyUI on the current platform * For headless installs, returns the path to the venv Python */ export function getDefaultPythonCommand(installPath?: string): string { if (isWindows()) { // Windows: embedded Python in ComfyUI directory return 'python/python.exe'; } else if (isMac()) { // Mac: Check for headless venv first, then fall back to system Python 3.11 if (installPath) { const venvPython = path.join(installPath, 'venv', 'bin', 'python'); if (fs.existsSync(venvPython)) { return venvPython; } } // Use system Python 3.11 installed by our installer const systemPython311 = '/Library/Frameworks/Python.framework/Versions/3.11/bin/python3'; if (fs.existsSync(systemPython311)) { return systemPython311; } // Fallback to system Python return 'python3'; } else { // Linux: system Python return 'python3'; } }