66 строки
2.0 KiB
Python
66 строки
2.0 KiB
Python
import logging
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import os
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from django.db.models import Count
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from celeryutils import task
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from easy_thumbnails import processors
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from PIL import Image
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import amo
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from tags.models import AddonTag
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from . import cron # Pull in tasks run through cron.
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from .models import Collection, CollectionAddon, CollectionVote
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log = logging.getLogger('z.task')
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@task
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def collection_votes(*ids, **kw):
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log.info('[%s@%s] Updating collection votes.' %
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(len(ids), collection_votes.rate_limit))
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using = kw.get('using')
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for collection in ids:
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v = CollectionVote.objects.filter(collection=collection).using(using)
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votes = dict(v.values_list('vote').annotate(Count('vote')))
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c = Collection.objects.get(id=collection)
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c.upvotes = votes.get(1, 0)
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c.downvotes = votes.get(-1, 0)
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c.save()
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@task
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def resize_icon(src, dest):
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"""Resizes collection icons to 32x32"""
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try:
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im = Image.open(src)
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im = processors.scale_and_crop(im, (32, 32))
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im.save(dest)
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os.remove(src)
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except Exception, e:
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log.error("Error saving collection icon: %s" % e)
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@task
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def collection_meta(*ids):
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log.info('[%s@%s] Updating collection metadata.' %
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(len(ids), collection_meta.rate_limit))
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qs = (CollectionAddon.objects.filter(collection__in=ids)
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.values_list('collection'))
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counts = dict(qs.annotate(Count('id')))
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persona_counts = dict(qs.filter(addon__type=amo.ADDON_PERSONA)
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.annotate(Count('id')))
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tags = (AddonTag.objects.values_list('tag').annotate(cnt=Count('tag'))
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.filter(cnt__gt=1).order_by('-cnt'))
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for c in Collection.objects.filter(id__in=ids):
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c.addon_count = counts.get(c.id, 0)
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c.all_personas = c.addon_count == persona_counts.get(c.id, None)
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addons = list(c.addons.values_list('id', flat=True))
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c.top_tags = [t for t, _ in tags.filter(addon__in=addons)[:5]]
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c.save()
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@task(rate_limit='10/m')
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def cron_collection_meta(*addons):
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collection_meta(*addons)
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