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leon/packages/videodownloader/youtube.py

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2019-02-10 15:26:50 +03:00
#!/usr/bin/env python
# -*- coding:utf-8 -*-
import requests
import os
import utils
from time import time
from pytube import YouTube
def youtube(string):
"""Download new videos from a YouTube playlist"""
db = utils.db()['db']
query = utils.db()['query']
operations = utils.db()['operations']
apikey = utils.config('api_key')
playlistid = utils.config('playlist_id')
# https://developers.google.com/youtube/v3/docs/playlistItems/list
url = 'https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&maxResults=50&playlistId=' + playlistid + '&key=' + apikey
utils.output('inter', 'reaching_playlist', utils.translate('reaching_playlist'))
# Get videos from the playlist
try:
r = utils.http('GET', url)
# In case there is a problem like wrong settings
if 'error' in r.json():
error = r.json()['error']['errors'][0]
return utils.output('settings_error', 'settings_error', utils.translate('settings_errors', {
'reason': error['reason'],
'message': error['message']
}))
items = r.json()['items']
videoids = []
videos = []
for item in items:
resource = item['snippet']['resourceId']
if resource['kind'] == 'youtube#video':
videoids.append(resource['videoId'])
videos.append({
'id': resource['videoId'],
'title': item['snippet']['title']
})
except requests.exceptions.RequestException as e:
return utils.output('request_error', 'request_error', utils.translate('request_errors'))
Entry = query()
# First initialization
if db.count(Entry.platform == 'youtube') == 0:
db.insert({
'platform': 'youtube',
'checked_at': int(time()),
'downloaded_videos': []
})
else:
db.update({ 'checked_at': int(time()) }, Entry.platform == 'youtube')
# Get videos already downloaded
downloadedvideos = db.get(Entry.platform == 'youtube')['downloaded_videos']
todownload = []
for video in videos:
if video['id'] not in downloadedvideos:
todownload.append(video)
nbrtodownload = len(todownload)
if nbrtodownload == 0:
return utils.output('nothing_to_download', 'nothing_to_download', utils.translate('nothing_to_download'))
utils.output('inter', 'nb_to_download', utils.translate('nb_to_download', {
'nb': nbrtodownload
}))
# Create the module downloads directory
moduledldir = utils.createdldir()
for i, video in enumerate(todownload):
utils.output('inter', 'downloading', utils.translate('downloading', {
'video_title': video['title']
}))
# Download the video
yt = YouTube('https://youtube.com/watch?v=' + video['id'])
yt.streams.first().download(moduledldir)
# Add the new downloaded video to the DB
downloadedvideos.append(video['id'])
db.update({ 'downloaded_videos': downloadedvideos }, Entry.platform == 'youtube')
# Will synchronize the content (because "end" type) if synchronization enabled
return utils.output('end', 'success', utils.translate('success'))