local-tool/: visionA-local desktop app
- M1: Wails shell + Go server + Next.js UI + Mock mode (macOS dmg ready)
- M2: i18n (zh-TW/en) + Settings 4-tab refactor
- M3: Embedded Python 3.12 runtime (python-build-standalone) + KneronPLUS wheels
- M4: Windows Inno Setup script (build on Windows runner)
- M5: Linux AppImage script + udev rule (build on Linux runner)
- M6: ffmpeg (GPL, pending legal review) + yt-dlp bundled
- Lifecycle: watchServer health check, fatal native dialog,
Wails IPC raise endpoint, stale process cleanup
.autoflow/: full PRD / Design Spec / Architecture / Testing docs
(4 rounds tri-party discussion + cross review)
.github/workflows/: macOS / Windows / Linux build CI
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
112 lines
3.1 KiB
Go
112 lines
3.1 KiB
Go
package deps
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import (
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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)
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// Dependency describes an external CLI tool the platform may use.
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type Dependency struct {
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Name string `json:"name"`
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Available bool `json:"available"`
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Version string `json:"version,omitempty"`
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Path string `json:"path,omitempty"`
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Required bool `json:"required"`
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InstallHint string `json:"installHint,omitempty"`
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}
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// CheckAll probes all known external dependencies.
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//
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// 偵測順序(由 lookupBin 實作):
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// 1. $VISIONA_BUNDLE_BIN_DIR/<name>(Wails shell 啟動 server 時設定)
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// 2. exec.LookPath(<name>)(系統 PATH)
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func CheckAll() []Dependency {
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return []Dependency{
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check("ffmpeg", false,
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"macOS: brew install ffmpeg | Windows: winget install Gyan.FFmpeg",
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"-version"),
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check("yt-dlp", false,
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"macOS: brew install yt-dlp | Windows: winget install yt-dlp",
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"--version"),
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check("python3", false,
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"Required only for Kneron KL720 hardware. macOS: brew install python3",
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"--version"),
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}
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}
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// lookupBin 依序在 bundle bin dir 與 PATH 中找 binary。
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//
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// bundle bin dir 來自 env var VISIONA_BUNDLE_BIN_DIR(由 Wails shell 於啟動
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// server 時注入,指向 .app/Contents/Resources/bin/ 或開發模式 payload/darwin/bin/)。
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func lookupBin(name string) (string, bool) {
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if dir := strings.TrimSpace(os.Getenv("VISIONA_BUNDLE_BIN_DIR")); dir != "" {
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candidate := filepath.Join(dir, name)
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if info, err := os.Stat(candidate); err == nil && !info.IsDir() {
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return candidate, true
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}
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}
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if p, err := exec.LookPath(name); err == nil {
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return p, true
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}
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return "", false
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}
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func check(name string, required bool, hint string, args ...string) Dependency {
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d := Dependency{
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Name: name,
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Required: required,
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InstallHint: hint,
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}
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path, ok := lookupBin(name)
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if !ok {
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return d
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}
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d.Available = true
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d.Path = path
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// 效能:bundle 內的 binary(尤其是 yt-dlp PyInstaller 單檔)冷啟動可能需 20 秒,
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// 會阻塞 server startup。bundle binary 已知良好,跳過 version 查詢以加速啟動。
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// 若之後需要版本字串,handler 可 lazy 再打一次。
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if strings.HasPrefix(path, strings.TrimSpace(os.Getenv("VISIONA_BUNDLE_BIN_DIR"))) &&
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os.Getenv("VISIONA_BUNDLE_BIN_DIR") != "" {
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d.Version = "(bundled)"
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return d
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}
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out, err := exec.Command(path, args...).Output()
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if err == nil {
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lines := strings.SplitN(string(out), "\n", 2)
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if len(lines) > 0 {
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d.Version = strings.TrimSpace(lines[0])
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}
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}
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return d
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}
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// Logger is the minimal interface used for startup reporting.
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type Logger interface {
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Info(msg string, args ...interface{})
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}
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// PrintStartupReport logs the status of every external dependency.
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func PrintStartupReport(logger Logger) {
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deps := CheckAll()
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logger.Info("External dependency check:")
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if dir := os.Getenv("VISIONA_BUNDLE_BIN_DIR"); dir != "" {
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logger.Info(" (bundle bin dir: %s)", dir)
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}
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for _, d := range deps {
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if d.Available {
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logger.Info(" [OK] %s: %s (%s)", d.Name, d.Version, d.Path)
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} else {
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tag := "OPTIONAL"
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if d.Required {
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tag = "MISSING"
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}
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logger.Info(" [%s] %s: not found — %s", tag, d.Name, d.InstallHint)
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}
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}
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}
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