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104 lines
4.0 KiB
Python
104 lines
4.0 KiB
Python
from YtManagerApp.appconfig import settings
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from YtManagerApp.management.jobs.download_video import schedule_download_video
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from YtManagerApp.models import Video, Subscription, VIDEO_ORDER_MAPPING
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from django.conf import settings as srv_settings
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import logging
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import requests
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import mimetypes
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import os
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from urllib.parse import urljoin
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log = logging.getLogger('downloader')
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def __get_subscription_config(sub: Subscription):
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enabled = settings.getboolean_sub(sub, 'user', 'AutoDownload')
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global_limit = -1
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if len(settings.get_sub(sub, 'user', 'DownloadGlobalLimit')) > 0:
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global_limit = settings.getint_sub(sub, 'user', 'DownloadGlobalLimit')
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limit = -1
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if len(settings.get_sub(sub, 'user', 'DownloadSubscriptionLimit')) > 0:
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limit = settings.getint_sub(sub, 'user', 'DownloadSubscriptionLimit')
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order = settings.get_sub(sub, 'user', 'DownloadOrder')
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order = VIDEO_ORDER_MAPPING[order]
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return enabled, global_limit, limit, order
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def downloader_process_subscription(sub: Subscription):
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log.info('Processing subscription %d [%s %s]', sub.id, sub.playlist_id, sub.id)
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enabled, global_limit, limit, order = __get_subscription_config(sub)
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log.info('Determined settings enabled=%s global_limit=%d limit=%d order="%s"', enabled, global_limit, limit, order)
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if enabled:
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videos_to_download = Video.objects\
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.filter(subscription=sub, downloaded_path__isnull=True, watched=False)\
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.order_by(order)
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log.info('%d download candidates.', len(videos_to_download))
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if global_limit > 0:
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global_downloaded = Video.objects.filter(subscription__user=sub.user, downloaded_path__isnull=False).count()
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allowed_count = max(global_limit - global_downloaded, 0)
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videos_to_download = videos_to_download[0:allowed_count]
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log.info('Global limit is set, can only download up to %d videos.', allowed_count)
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if limit > 0:
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sub_downloaded = Video.objects.filter(subscription=sub, downloaded_path__isnull=False).count()
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allowed_count = max(limit - sub_downloaded, 0)
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videos_to_download = videos_to_download[0:allowed_count]
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log.info('Limit is set, can only download up to %d videos.', allowed_count)
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# enqueue download
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for video in videos_to_download:
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log.info('Enqueuing video %d [%s %s] index=%d', video.id, video.video_id, video.name, video.playlist_index)
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schedule_download_video(video)
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log.info('Finished processing subscription %d [%s %s]', sub.id, sub.playlist_id, sub.id)
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def downloader_process_all():
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for subscription in Subscription.objects.all():
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downloader_process_subscription(subscription)
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def fetch_thumbnail(url, object_type, identifier, quality):
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log.info('Fetching thumbnail url=%s object_type=%s identifier=%s quality=%s', url, object_type, identifier, quality)
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# Make request to obtain mime type
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try:
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response = requests.get(url, stream=True)
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except requests.exceptions.RequestException as e:
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log.error('Failed to fetch thumbnail %s. Error: %s', url, e)
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return url
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ext = mimetypes.guess_extension(response.headers['Content-Type'])
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# Build file path
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file_name = f"{identifier}-{quality}{ext}"
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abs_path_dir = os.path.join(srv_settings.MEDIA_ROOT, "thumbs", object_type)
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abs_path = os.path.join(abs_path_dir, file_name)
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# Store image
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try:
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os.makedirs(abs_path_dir, exist_ok=True)
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with open(abs_path, "wb") as f:
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for chunk in response.iter_content(chunk_size=1024):
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if chunk:
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f.write(chunk)
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except requests.exceptions.RequestException as e:
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log.error('Error while downloading stream for thumbnail %s. Error: %s', url, e)
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return url
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except OSError as e:
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log.error('Error while writing to file %s for thumbnail %s. Error: %s', abs_path, url, e)
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return url
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# Return
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media_url = urljoin(srv_settings.MEDIA_URL, f"thumbs/{object_type}/{file_name}")
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return media_url
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