Add downloader to create api
adjust GetVideosToSync
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parent
bffc0823be
commit
f39fc11697
3 changed files with 91 additions and 92 deletions
44
downloader/downloader.go
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44
downloader/downloader.go
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@ -0,0 +1,44 @@
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package downloader
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import (
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"io/ioutil"
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"os/exec"
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"strings"
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"github.com/lbryio/lbry.go/v2/extras/errors"
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"github.com/sirupsen/logrus"
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)
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func GetPlaylistVideoIDs(channelName string) ([]string, error) {
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args := []string{"--skip-download", "https://www.youtube.com/channel/" + channelName, "--get-id", "--flat-playlist"}
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return run(args)
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}
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func run(args []string) ([]string, error) {
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cmd := exec.Command("youtube-dl", args...)
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logrus.Printf("Running command youtube-dl %s", strings.Join(args, " "))
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stderr, err := cmd.StderrPipe()
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if err != nil {
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return nil, errors.Err(err)
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}
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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return nil, errors.Err(err)
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}
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if err := cmd.Start(); err != nil {
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return nil, errors.Err(err)
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}
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errorLog, _ := ioutil.ReadAll(stderr)
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outLog, _ := ioutil.ReadAll(stdout)
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err = cmd.Wait()
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if len(errorLog) > 0 {
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return nil, errors.Err(err)
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}
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if len(errorLog) > 0 {
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return nil, errors.Err(string(errorLog))
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}
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return strings.Split(strings.Replace(string(outLog), "\r\n", "\n", -1), "\n"), nil
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}
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20
downloader/downloader_test.go
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20
downloader/downloader_test.go
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@ -0,0 +1,20 @@
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package downloader
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import (
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"testing"
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"github.com/sirupsen/logrus"
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)
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func TestRun(t *testing.T) {
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//args := []string{"--skip-download", "https://www.youtube.com/c/Electroboom", "--get-id", "--flat-playlist"}
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//videoIDs, err := GetPlaylistVideoIDs("Electroboom")
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videoIDs, err := GetPlaylistVideoIDs("UCJ0-OtVpF0wOKEqT2Z1HEtA")
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if err != nil {
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logrus.Error(err)
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}
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for _, id := range videoIDs {
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println(id)
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}
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t.Error("just stop")
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}
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119
ytapi/ytapi.go
119
ytapi/ytapi.go
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@ -7,6 +7,8 @@ import (
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"sync"
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"time"
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"github.com/lbryio/ytsync/v5/downloader"
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"github.com/lbryio/ytsync/v5/ip_manager"
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"github.com/lbryio/ytsync/v5/sdk"
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"github.com/lbryio/ytsync/v5/sources"
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@ -46,55 +48,35 @@ type VideoParams struct {
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var mostRecentlyFailedChannel string // TODO: fix this hack!
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func GetVideosToSync(apiKey, channelID string, syncedVideos map[string]sdk.SyncedVideo, quickSync bool, maxVideos int, videoParams VideoParams) ([]Video, error) {
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playlistID, err := getPlaylistID(apiKey, channelID)
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var videos []Video
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videoIDs, err := downloader.GetPlaylistVideoIDs(channelID)
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if err != nil {
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return nil, errors.Err(err)
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}
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log.Infof("Got info for %d videos from youtube downloader", len(videoIDs))
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playlistMap := make(map[string]int64)
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for i, videoID := range videoIDs {
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playlistMap[videoID] = int64(i)
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}
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if len(videoIDs) < 1 {
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if channelID == mostRecentlyFailedChannel {
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return nil, errors.Err("playlist items not found")
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}
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mostRecentlyFailedChannel = channelID
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}
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vids, err := getVideos(apiKey, videoIDs)
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if err != nil {
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return nil, err
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}
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playlistMap := make(map[string]*ytlib.PlaylistItemSnippet, 50)
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var playlistItems []*ytlib.PlaylistItem
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var nextPageToken string
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var videos []Video
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for {
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playlistItems, nextPageToken, err = getPlaylistItems(apiKey, playlistID, nextPageToken)
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if len(playlistItems) < 1 {
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// If there are 50+ videos in a playlist but less than 50 are actually returned by the API, youtube will still redirect
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// clients to a next page. Such next page will however be empty. This logic prevents ytsync from failing.
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youtubeIsLying := len(videos) > 0
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if youtubeIsLying {
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break
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}
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if channelID == mostRecentlyFailedChannel {
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return nil, errors.Err("playlist items not found")
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}
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mostRecentlyFailedChannel = channelID
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break //return errors.Err("playlist items not found") //TODO: will this work?
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}
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videoIDs := make([]string, len(playlistItems))
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for i, item := range playlistItems {
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// normally we'd send the video into the channel here, but youtube api doesn't have sorting
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// so we have to get ALL the videos, then sort them, then send them in
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playlistMap[item.Snippet.ResourceId.VideoId] = item.Snippet
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videoIDs[i] = item.Snippet.ResourceId.VideoId
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}
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vids, err := getVideos(apiKey, videoIDs)
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if err != nil {
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return nil, err
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}
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for _, item := range vids {
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videos = append(videos, sources.NewYoutubeVideo(videoParams.VideoDir, item, playlistMap[item.Id].Position, videoParams.S3Config, videoParams.Grp, videoParams.IPPool))
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}
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log.Infof("Got info for %d videos from youtube API", len(videos))
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if nextPageToken == "" || quickSync || len(videos) >= maxVideos {
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break
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}
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for _, item := range vids {
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positionInList := playlistMap[item.Id]
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videos = append(videos, sources.NewYoutubeVideo(videoParams.VideoDir, item, positionInList, videoParams.S3Config, videoParams.Grp, videoParams.IPPool))
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}
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for k, v := range syncedVideos {
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@ -104,7 +86,6 @@ func GetVideosToSync(apiKey, channelID string, syncedVideos map[string]sdk.Synce
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if _, ok := playlistMap[k]; !ok {
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videos = append(videos, sources.NewMockedVideo(videoParams.VideoDir, k, channelID, videoParams.S3Config, videoParams.Grp, videoParams.IPPool))
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}
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}
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sort.Sort(byPublishedAt(videos))
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@ -152,52 +133,6 @@ func ChannelInfo(apiKey, channelID string) (*ytlib.ChannelSnippet, *ytlib.Channe
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return response.Items[0].Snippet, response.Items[0].BrandingSettings, nil
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}
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func getPlaylistID(apiKey, channelID string) (string, error) {
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service, err := ytlib.New(&http.Client{Transport: &transport.APIKey{Key: apiKey}})
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if err != nil {
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return "", errors.Prefix("error creating YouTube service", err)
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}
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response, err := service.Channels.List("contentDetails").Id(channelID).Do()
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if err != nil {
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return "", errors.Prefix("error getting channel details", err)
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}
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if len(response.Items) < 1 {
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return "", errors.Err("youtube channel not found")
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}
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if response.Items[0].ContentDetails.RelatedPlaylists == nil {
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return "", errors.Err("no related playlists")
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}
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playlistID := response.Items[0].ContentDetails.RelatedPlaylists.Uploads
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if playlistID == "" {
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return "", errors.Err("no channel playlist")
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}
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return playlistID, nil
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}
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func getPlaylistItems(apiKey, playlistID, nextPageToken string) ([]*ytlib.PlaylistItem, string, error) {
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service, err := ytlib.New(&http.Client{Transport: &transport.APIKey{Key: apiKey}})
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if err != nil {
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return nil, "", errors.Prefix("error creating YouTube service", err)
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}
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response, err := service.PlaylistItems.List("snippet").
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PlaylistId(playlistID).
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MaxResults(50).
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PageToken(nextPageToken).
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Do()
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if err != nil {
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return nil, "", errors.Prefix("error getting playlist items", err)
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}
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return response.Items, response.NextPageToken, nil
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}
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func getVideos(apiKey string, videoIDs []string) ([]*ytlib.Video, error) {
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service, err := ytlib.New(&http.Client{Transport: &transport.APIKey{Key: apiKey}})
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if err != nil {
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