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fix(setup): use requirements.txt hash trigger reinstall #18

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Merged
lightningpixel merged 1 commit into from
Mar 19, 2026
Merged

fix(setup): use requirements.txt hash trigger reinstall #18

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27 changes: 20 additions & 7 deletions electron/main/python-setup.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,13 +2,29 @@ import { BrowserWindow, app } from 'electron'
import { existsSync, readFileSync, writeFileSync, readdirSync } from 'fs'
import { join } from 'path'
import { spawn, execSync } from 'child_process'
import { createHash } from 'crypto'

const SETUP_VERSION = 2
const TOTAL_PACKAGES = 20

interface SetupJson {
version: number
appVersion?: string
requirementsHash?: string
}

function getRequirementsPath(): string {
return app.isPackaged
? join(process.resourcesPath, 'api', 'requirements.txt')
: join(app.getAppPath(), 'api', 'requirements.txt')
}

function hashRequirements(): string {
try {
const content = readFileSync(getRequirementsPath(), 'utf-8')
return createHash('sha256').update(content).digest('hex')
} catch {
return ''
}
}

// ─── Public helpers ──────────────────────────────────────────────────────────
Expand All @@ -19,8 +35,7 @@ export function checkSetupNeeded(userData: string): boolean {
try {
const data = JSON.parse(readFileSync(jsonPath, 'utf-8')) as SetupJson
if (data.version < SETUP_VERSION) return true
// Re-run setup if the app was updated (new python-embed is fresh, no packages)
if (data.appVersion !== app.getVersion()) return true
if (data.requirementsHash !== hashRequirements()) return true
} catch {
return true
}
Expand All @@ -35,7 +50,7 @@ export function markSetupDone(userData: string): void {
const jsonPath = join(userData, 'python_setup.json')
writeFileSync(
jsonPath,
JSON.stringify({ version: SETUP_VERSION, appVersion: app.getVersion() }),
JSON.stringify({ version: SETUP_VERSION, requirementsHash: hashRequirements() }),
'utf-8'
)
}
Expand Down Expand Up @@ -188,9 +203,7 @@ function createVenv(python3: string, venvDir: string, win: BrowserWindow): Promi

export async function runFullSetup(win: BrowserWindow, userData: string): Promise<void> {
try {
const requirementsPath = app.isPackaged
? join(process.resourcesPath, 'api', 'requirements.txt')
: join(app.getAppPath(), 'api', 'requirements.txt')
const requirementsPath = getRequirementsPath()

if (process.platform === 'win32') {
// Windows: use embedded Python bundled with the app
Expand Down