43 lines
1.9 KiB
Python
43 lines
1.9 KiB
Python
from django.core.management.base import BaseCommand
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from django.utils import timezone
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from podcasts.models import PodcastFeed
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from podcasts.views import _in_backoff_q, _refresh_feeds, refresh_due
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class Command(BaseCommand):
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help = 'Refresh podcast feeds (fetch new episodes from RSS)'
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def add_arguments(self, parser):
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parser.add_argument('--feed-id', type=int, help='Refresh only this feed ID (even when backing off)')
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parser.add_argument('--limit', type=int, default=0, help='Max number of feeds to refresh')
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parser.add_argument(
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'--full', action='store_true',
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help='Download every feed in full (ignore ETag/Last-Modified) and take in episodes skipped before '
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'(e.g. video ones); those out before the last refresh go into the list, not into "Neu"',
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)
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def handle(self, *args, **options):
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qs = PodcastFeed.objects.all().order_by('last_refreshed_at')
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if options['feed_id']:
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qs = qs.filter(pk=options['feed_id'])
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else:
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# A feed failing 3+ times in a row is tried every 2, 4, 8, 16,
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# at most 24 hours instead of every hour.
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qs = qs.exclude(_in_backoff_q(timezone.now()))
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# Each feed as often as its interval says (docs/podcasts.md): by its rhythm,
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# or hourly, daily, weekly. --feed-id and --full take every one.
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if not options['full']:
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qs = qs.filter(pk__in=refresh_due(list(qs.select_related('user'))))
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if options['limit']:
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qs = qs[: options['limit']]
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if not qs.exists():
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self.stdout.write('No feeds to refresh.')
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return
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# Parallel downloads, one per distinct feed URL (see _refresh_feeds).
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refreshed, failed, new = _refresh_feeds(qs, full=options['full'])
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self.stdout.write(f'{refreshed} feeds refreshed, {failed} failed, +{new} episodes')
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