import { exec } from "child_process";
import { promisify } from "util";
const execAsync = promisify(exec);
export interface PythonInfo {
executable: string;
version: string;
available: boolean;
}
export async function detectPython(): Promise<PythonInfo | null> {
const candidates = [
"python3",
"python",
"/usr/bin/python3",
"/usr/local/bin/python3",
"/opt/homebrew/bin/python3"
];
for (const python of candidates) {
try {
const result = await execAsync(`${python} --version`);
const versionMatch = result.stdout.match(/Python (\d+\.\d+\.\d+)/);
if (versionMatch) {
const version = versionMatch[1];
const [major, minor] = version.split('.').map(Number);
// Require Python 3.7+ for compatibility
if (major >= 3 && minor >= 7) {
console.debug(`[Terminal] Found Python: ${python} ${version}`);
return {
executable: python,
version,
available: true
};
}
}
} catch (error) {
// Python executable not found or failed to run
console.debug(`[Terminal] Python candidate ${python} not available:`, error);
}
}
console.warn("[Terminal] No suitable Python installation found");
return null;
}
export async function checkPythonDependencies(pythonExecutable: string): Promise<boolean> {
// For Unix systems, we only need the standard library (pty, selectors, etc.)
// These are built-in, so we just check if Python runs
try {
const result = await execAsync(`${pythonExecutable} -c "import pty, selectors, sys; print('OK')"`);
return result.stdout.trim() === "OK";
} catch (error) {
console.warn("[Terminal] Python dependencies check failed:", error);
return false;
}
}
export class PythonManager {
private pythonInfo: PythonInfo | null = null;
private initialized = false;
async initialize(): Promise<void> {
if (this.initialized) return;
try {
this.pythonInfo = await detectPython();
if (this.pythonInfo) {
const depsOk = await checkPythonDependencies(this.pythonInfo.executable);
if (!depsOk) {
console.warn("[Terminal] Python dependencies not available");
this.pythonInfo = null;
}
}
} catch (error) {
console.error("[Terminal] Python detection failed:", error);
this.pythonInfo = null;
} finally {
this.initialized = true;
}
}
getPythonInfo(): PythonInfo | null {
return this.pythonInfo;
}
isAvailable(): boolean {
return this.pythonInfo?.available ?? false;
}
getExecutable(): string | undefined {
return this.pythonInfo?.executable;
}
}
