youtube-dl to yt-dlp

Dockerfile

@@ -6,6 +6,8 @@ WORKDIR /main
 
 COPY . .
 
+RUN test -e /main/exec-youtuber
+
 ENV GOPATH=""
 ENV MNT="/mnt/"
 ENTRYPOINT ["/main/exec-youtuber"]

config/config.go

@@ -4,6 +4,7 @@ import (
 	"local/args"
 	"local/sandbox/contact/contact"
 	"os"
+	"time"
 )
 
 var (
@@ -12,6 +13,7 @@ var (
 	To       string
 	Subject  string
 	Emailer  *contact.Emailer
+	Interval time.Duration
 )
 
 func init() {
@@ -28,6 +30,7 @@ func init() {
 
 	as.Append(args.STRING, "feed", "feed URL", "https://www.youtube.com/feeds/videos.xml?channel_id=UCwX0AEx-qIhQ9kgtlNhyIXw")
 	as.Append(args.STRING, "root", "root to save videos", "/tmp")
+	as.Append(args.DURATION, "interval", "check interval", time.Hour)
 
 	if err := as.Parse(); err != nil {
 		panic(err)
@@ -43,4 +46,5 @@ func init() {
 		POP3:     as.Get("pop3").GetString(),
 		Password: as.Get("password").GetString(),
 	}
+	Interval = as.GetDuration("interval")
 }

main.go

@@ -18,7 +18,7 @@ func main() {
 	if err != nil {
 		panic(err)
 	}
-	interval := time.Hour * 4
+	interval := config.Interval
 	for true {
 		err := do(client)
 		if err != nil {
@@ -45,18 +45,17 @@ func do(client *youtubedl.Client) error {
 	}
 
 	for _, result := range results {
-		target := fmt.Sprintf(
-			"s%02d%02de%02d_%s.%%(ext)s",
-			result.Date.Year()-2000,
-			result.Date.Month(),
-			result.Date.Day(),
-			strings.Join(strings.Split(result.Title, " ")[2:], "_"),
-		)
+		seasonNumber := fmt.Sprintf("%02d%02d", result.Date.Year()-2000, result.Date.Month())
+		episodeNumber := fmt.Sprintf("%02d", result.Date.Day())
+		season := fmt.Sprintf("Season_%s", seasonNumber)
+		episode := fmt.Sprintf("Episode_%s_-_%s", episodeNumber, strings.Join(strings.Split(result.Title, " ")[2:], "_"))
+		target := fmt.Sprintf("%s/%s.%%(ext)s", season, episode)
 		target = path.Join(config.Root, target)
 		if _, err := os.Stat(strings.ReplaceAll(target, "%(ext)s", "mp4")); !os.IsNotExist(err) {
 			log.Printf("already exists: %s", target)
 			continue
 		}
+		os.MkdirAll(path.Dir(target), os.ModePerm)
 		if err := client.Download(result.Link, target); err != nil {
 			errs += ", " + err.Error()
 		}

youtubedl/client.go

@@ -3,6 +3,7 @@ package youtubedl
 import (
 	"fmt"
 	"log"
+	"os"
 	"os/exec"
 	"path"
 )
@@ -15,13 +16,17 @@ func New() (*Client, error) {
 }
 
 func (c *Client) Download(video, local string) error {
+	if _, ok := os.LookupEnv("TEST"); ok {
+		log.Println("youtube-dl download", video, local)
+		return nil
+	}
 	errs := []error{}
 	for _, extras := range [][]string{
 		[]string{"--add-metadata", "--metadata-from-title", ".*[0-9]/[0-9][0-9] (?P<title>.+)"},
 		[]string{},
 	} {
 		args := append([]string{
-			"youtube-dl",
+			"/tmp/yt-dlp",
 			"-f",
 			"22",
 			"-o",
@@ -30,6 +35,7 @@ func (c *Client) Download(video, local string) error {
 			"--write-auto-sub",
 			"--sub-format",
 			"srt",
+			"--no-check-certificate",
 		}, extras...)
 		args = append(args, video)
 		cmd := exec.Command(args[0], args[1:]...)
@@ -49,10 +55,11 @@ func (c *Client) Download(video, local string) error {
 		return err
 	}
 	cmd := exec.Command(
-		"bash",
+		"/bin/sh",
 		"-c",
 		fmt.Sprintf(
-			"true; python3 -m vtt_to_srt %q || python3 /usr/bin/vtt_to_srt.py %q",
+			"true; python3 -m vtt_to_srt %q || python3 /usr/bin/vtt_to_srt.py %q || vtt_to_srt %q",
+			path.Dir(local),
 			path.Dir(local),
 			path.Dir(local),
 		),

youtubedl/install.go

@@ -2,11 +2,16 @@ package youtubedl
 
 import (
 	"errors"
+	"fmt"
 	"log"
+	"os"
 	"os/exec"
 )
 
 func install() error {
+	if _, ok := os.LookupEnv("TEST"); ok {
+		return nil
+	}
 	if err := installPyPip3FFMPEG(); err != nil {
 		return err
 	}
@@ -42,22 +47,36 @@ func installPyPip3FFMPEG() error {
 		if err == nil {
 			return nil
 		}
-		log.Println("%v: %v", err, combo)
+		log.Printf("%v: %v", err, combo)
 	}
 	return errors.New("cannot get python3 and pip3 and ffmpeg")
 }
 
 func installYtdl() error {
-	cmd := exec.Command("youtube-dl", "--version")
+	cmd := exec.Command("/tmp/yt-dlp", "--version")
 	if err := cmd.Run(); err == nil {
 		return err
 	}
-	cmd = exec.Command("sudo", "pip3", "install", "youtube-dl")
+	os.Remove("/tmp/yt-dlp")
+	cmd = exec.Command(
+		"wget",
+		"https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp",
+		"--no-check-certificate",
+		"-O",
+		"/tmp/yt-dlp",
+	)
 	if err := cmd.Run(); err != nil {
-		cmd = exec.Command("pip3", "install", "youtube-dl")
-		if err := cmd.Run(); err != nil {
-			return err
+		o, _ := cmd.CombinedOutput()
+		return fmt.Errorf("failed wget yt-dlp: %v: %s", err, o)
 	}
+	cmd = exec.Command(
+		"chmod",
+		"a+rx",
+		"/tmp/yt-dlp",
+	)
+	if err := cmd.Run(); err != nil {
+		o, _ := cmd.CombinedOutput()
+		return fmt.Errorf("failed chmod yt-dlp: %v: %s", err, o)
 	}
 	return nil
 }