1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
from youtube import util, yt_data_extract
from youtube import yt_app
import settings
import os
import json
import html
import gevent
import urllib
import math
import flask
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:
videos = file.read()
return set(json.loads(video)['id'] for video in videos.splitlines())
except FileNotFoundError:
return set()
def add_to_playlist(name, video_info_list):
if not os.path.exists(playlists_directory):
os.makedirs(playlists_directory)
ids = video_ids_in_playlist(name)
missing_thumbnails = []
with open(os.path.join(playlists_directory, name + ".txt"), "a", encoding='utf-8') as file:
for info in video_info_list:
id = json.loads(info)['id']
if id not in ids:
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):
try:
thumbnails = set(os.listdir(os.path.join(thumbnails_directory, name)))
except FileNotFoundError:
thumbnails = set()
missing_thumbnails = []
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'] = settings.img_prefix + "https://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'
util.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[offset:offset+amount], len(videos)
def get_playlist_names():
try:
items = os.listdir(playlists_directory)
except FileNotFoundError:
return
for item in items:
name, ext = os.path.splitext(item)
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:
videos = file.read()
videos_in = videos.splitlines()
videos_out = []
for video in videos_in:
if json.loads(video)['id'] not in ids:
videos_out.append(video)
with open(os.path.join(playlists_directory, name + ".txt"), 'w', encoding='utf-8') as file:
file.write("\n".join(videos_out) + "\n")
try:
thumbnails = set(os.listdir(os.path.join(thumbnails_directory, name)))
except FileNotFoundError:
pass
else:
to_delete = thumbnails & set(id + ".jpg" for id in ids)
for file in to_delete:
os.remove(os.path.join(thumbnails_directory, name, file))
return len(videos_out)
@yt_app.route('/playlists', methods=['GET'])
@yt_app.route('/playlists/<playlist_name>', methods=['GET'])
def get_local_playlist_page(playlist_name=None):
if playlist_name is None:
playlists = [(name, util.URL_ORIGIN + '/playlists/' + name) for name in get_playlist_names()]
return flask.render_template('local_playlists_list.html', playlists=playlists)
else:
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',
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'''
if request.values['action'] == 'remove':
videos_to_remove = request.values.getlist('video_info_list')
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))
else:
flask.abort(400)
@yt_app.route('/edit_playlist', methods=['POST'])
def edit_playlist():
'''Called when adding videos to a playlist from elsewhere'''
if request.values['action'] == 'add':
add_to_playlist(request.values['playlist_name'], request.values.getlist('video_info_list'))
return '', 204
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)
|
