diff options
Diffstat (limited to 'youtube/local_playlist.py')
| -rw-r--r-- | youtube/local_playlist.py | 98 |
1 files changed, 79 insertions, 19 deletions
diff --git a/youtube/local_playlist.py b/youtube/local_playlist.py index 2375ba2..aa3ac27 100644 --- a/youtube/local_playlist.py +++ b/youtube/local_playlist.py @@ -15,6 +15,7 @@ from flask import request playlists_directory = os.path.join(settings.data_dir, "playlists") thumbnails_directory = os.path.join(settings.data_dir, "playlist_thumbnails") + def video_ids_in_playlist(name): try: with open(os.path.join(playlists_directory, name + ".txt"), 'r', encoding='utf-8') as file: @@ -23,6 +24,7 @@ def video_ids_in_playlist(name): except FileNotFoundError: return set() + def add_to_playlist(name, video_info_list): if not os.path.exists(playlists_directory): os.makedirs(playlists_directory) @@ -35,36 +37,59 @@ def add_to_playlist(name, video_info_list): file.write(info + "\n") missing_thumbnails.append(id) gevent.spawn(util.download_thumbnails, os.path.join(thumbnails_directory, name), missing_thumbnails) - -def get_local_playlist_videos(name, offset=0, amount=50): + +def add_extra_info_to_videos(videos, playlist_name): + '''Adds extra information necessary for rendering the video item HTML + Downloads missing thumbnails''' try: - thumbnails = set(os.listdir(os.path.join(thumbnails_directory, name))) + thumbnails = set(os.listdir(os.path.join(thumbnails_directory, + playlist_name))) except FileNotFoundError: thumbnails = set() missing_thumbnails = [] + for video in videos: + video['type'] = 'video' + util.add_extra_html_info(video) + if video['id'] + '.jpg' in thumbnails: + video['thumbnail'] = ( + '/https://youtube.com/data/playlist_thumbnails/' + + playlist_name + + '/' + video['id'] + '.jpg') + else: + video['thumbnail'] = util.get_thumbnail_url(video['id']) + missing_thumbnails.append(video['id']) + + gevent.spawn(util.download_thumbnails, + os.path.join(thumbnails_directory, playlist_name), + missing_thumbnails) + + +def read_playlist(name): + '''Returns a list of videos for the given playlist name''' + playlist_path = os.path.join(playlists_directory, name + '.txt') + with open(playlist_path, 'r', encoding='utf-8') as f: + data = f.read() + videos = [] - with open(os.path.join(playlists_directory, name + ".txt"), 'r', encoding='utf-8') as file: - data = file.read() videos_json = data.splitlines() for video_json in videos_json: try: info = json.loads(video_json) - if info['id'] + ".jpg" in thumbnails: - info['thumbnail'] = "/youtube.com/data/playlist_thumbnails/" + name + "/" + info['id'] + ".jpg" - else: - info['thumbnail'] = util.get_thumbnail_url(info['id']) - missing_thumbnails.append(info['id']) - info['type'] = 'video' - yt_data_extract.add_extra_html_info(info) videos.append(info) except json.decoder.JSONDecodeError: if not video_json.strip() == '': print('Corrupt playlist video entry: ' + video_json) - gevent.spawn(util.download_thumbnails, os.path.join(thumbnails_directory, name), missing_thumbnails) + return videos + + +def get_local_playlist_videos(name, offset=0, amount=50): + videos = read_playlist(name) + add_extra_info_to_videos(videos, name) return videos[offset:offset+amount], len(videos) + def get_playlist_names(): try: items = os.listdir(playlists_directory) @@ -75,6 +100,7 @@ def get_playlist_names(): if ext == '.txt': yield name + def remove_from_playlist(name, video_info_list): ids = [json.loads(video)['id'] for video in video_info_list] with open(os.path.join(playlists_directory, name + ".txt"), 'r', encoding='utf-8') as file: @@ -109,13 +135,16 @@ def get_local_playlist_page(playlist_name=None): page = int(request.args.get('page', 1)) offset = 50*(page - 1) videos, num_videos = get_local_playlist_videos(playlist_name, offset=offset, amount=50) - return flask.render_template('local_playlist.html', - playlist_name = playlist_name, - videos = videos, - num_pages = math.ceil(num_videos/50), - parameters_dictionary = request.args, + return flask.render_template( + 'local_playlist.html', + header_playlist_names=get_playlist_names(), + playlist_name=playlist_name, + videos=videos, + num_pages=math.ceil(num_videos/50), + parameters_dictionary=request.args, ) + @yt_app.route('/playlists/<playlist_name>', methods=['POST']) def path_edit_playlist(playlist_name): '''Called when making changes to the playlist from that playlist's page''' @@ -124,9 +153,38 @@ def path_edit_playlist(playlist_name): number_of_videos_remaining = remove_from_playlist(playlist_name, videos_to_remove) redirect_page_number = min(int(request.values.get('page', 1)), math.ceil(number_of_videos_remaining/50)) return flask.redirect(util.URL_ORIGIN + request.path + '?page=' + str(redirect_page_number)) + elif request.values['action'] == 'remove_playlist': + try: + os.remove(os.path.join(playlists_directory, playlist_name + ".txt")) + except OSError: + pass + return flask.redirect(util.URL_ORIGIN + '/playlists') + elif request.values['action'] == 'export': + videos = read_playlist(playlist_name) + fmt = request.values['export_format'] + if fmt in ('ids', 'urls'): + prefix = '' + if fmt == 'urls': + prefix = 'https://www.youtube.com/watch?v=' + id_list = '\n'.join(prefix + v['id'] for v in videos) + id_list += '\n' + resp = flask.Response(id_list, mimetype='text/plain') + cd = 'attachment; filename="%s.txt"' % playlist_name + resp.headers['Content-Disposition'] = cd + return resp + elif fmt == 'json': + json_data = json.dumps({'videos': videos}, indent=2, + sort_keys=True) + resp = flask.Response(json_data, mimetype='text/json') + cd = 'attachment; filename="%s.json"' % playlist_name + resp.headers['Content-Disposition'] = cd + return resp + else: + flask.abort(400) else: flask.abort(400) + @yt_app.route('/edit_playlist', methods=['POST']) def edit_playlist(): '''Called when adding videos to a playlist from elsewhere''' @@ -136,7 +194,9 @@ def edit_playlist(): else: flask.abort(400) + @yt_app.route('/data/playlist_thumbnails/<playlist_name>/<thumbnail>') def serve_thumbnail(playlist_name, thumbnail): # .. is necessary because flask always uses the application directory at ./youtube, not the working directory - return flask.send_from_directory(os.path.join('..', thumbnails_directory, playlist_name), thumbnail) + return flask.send_from_directory( + os.path.join('..', thumbnails_directory, playlist_name), thumbnail) |