works with ubuntu

youtubedl/client.go

@@ -0,0 +1,32 @@
+package youtubedl
+
+import (
+	"fmt"
+	"log"
+	"os/exec"
+	"path"
+)
+
+type Client struct {
+}
+
+func New() (*Client, error) {
+	return &Client{}, install()
+}
+
+func (c *Client) Download(video, local string) error {
+	cmd := exec.Command("youtube-dl", "-f", "22", "-o", local, "--write-sub", "--write-auto-sub", "--sub-format", "srt", video)
+	log.Println(cmd.Path, cmd.Args)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		err = fmt.Errorf("%v: %s", err, out)
+		return err
+	}
+	cmd = exec.Command("python3", "-m", "vtt_to_srt", path.Dir(local))
+	out, err = cmd.CombinedOutput()
+	if err != nil {
+		err = fmt.Errorf("%v: %s", err, out)
+		return err
+	}
+	return nil
+}

youtubedl/install.go

@@ -0,0 +1,39 @@
+package youtubedl
+
+import "os/exec"
+
+func install() error {
+	cmd := exec.Command("youtube-dl", "--version")
+	if err := cmd.Run(); err == nil {
+		return err
+	}
+	cmd = exec.Command("sudo", "pip3", "install", "youtube-dl")
+	if err := cmd.Run(); err == nil {
+		return err
+	}
+	return nil
+}
+
+func installYtdl() error {
+	cmd := exec.Command("youtube-dl", "--version")
+	if err := cmd.Run(); err == nil {
+		return err
+	}
+	cmd = exec.Command("sudo", "pip3", "install", "youtube-dl")
+	if err := cmd.Run(); err == nil {
+		return err
+	}
+	return nil
+}
+
+func installVTT() error {
+	cmd := exec.Command("python3", "-m", "vtt_to_srt")
+	if err := cmd.Run(); err == nil {
+		return err
+	}
+	cmd = exec.Command("sudo", "pip3", "install", "vtt_to_srt3")
+	if err := cmd.Run(); err == nil {
+		return err
+	}
+	return nil
+}