mirror of
https://gitlab.crans.org/mediatek/med.git
synced 2024-11-26 22:07:09 +00:00
129 lines
4.8 KiB
Python
129 lines
4.8 KiB
Python
from django.core.management import BaseCommand
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from django.db import transaction
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from django.utils.translation import gettext_lazy as _
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from tqdm import tqdm
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from media.models import CD, Comic, Game, Manga, Novel, Review, Vinyl, \
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OldCD, OldComic, OldGame, OldManga, OldNovel, OldReview, OldVinyl
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class Command(BaseCommand):
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"""
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Convert old format into new format
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"""
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def add_arguments(self, parser):
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parser.add_argument('--doit', action='store_true',
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help="Actually do the mogration.")
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@transaction.atomic
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def handle(self, *args, **options):
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# Migrate books
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for old_book_class, book_class in [(OldComic, Comic),
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(OldManga, Manga),
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(OldNovel, Novel)]:
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name = book_class._meta.verbose_name
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name_plural = book_class._meta.verbose_name_plural
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for book in tqdm(old_book_class.objects.all(),
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desc=name_plural, unit=str(name)):
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try:
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new_book = book_class.objects.create(
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isbn=book.isbn,
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title=book.title,
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subtitle=book.subtitle,
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external_url=book.external_url,
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side_identifier=book.side_identifier,
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number_of_pages=book.number_of_pages,
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publish_date=book.publish_date,
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present=book.present,
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)
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new_book.authors.set(book.authors.all())
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new_book.save()
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except:
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self.stderr.write(f"There was an error with {name} "
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f"{book} ({book.pk})")
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raise
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self.stdout.write(f"{book_class.objects.count()} {name_plural} "
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"migrated")
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# Migrate CDs
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for cd in tqdm(OldCD.objects.all(),
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desc=_("CDs"), unit=str(_("CD"))):
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try:
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new_cd = CD.objects.create(
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title=cd.title,
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present=cd.present,
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)
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new_cd.authors.set(cd.authors.all())
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new_cd.save()
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except:
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self.stderr.write(f"There was an error with {cd} ({cd.pk})")
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raise
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self.stdout.write(f"{CD.objects.count()} {_('CDs')} migrated")
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# Migrate vinyls
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for vinyl in tqdm(OldVinyl.objects.all(),
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desc=_("vinyls"), unit=str(_("vinyl"))):
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try:
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new_vinyl = Vinyl.objects.create(
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title=vinyl.title,
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present=vinyl.present,
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rpm=vinyl.rpm,
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)
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new_vinyl.authors.set(vinyl.authors.all())
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new_vinyl.save()
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except:
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self.stderr.write(f"There was an error with {vinyl} "
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f"({vinyl.pk})")
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raise
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self.stdout.write(f"{Vinyl.objects.count()} {_('vinyls')} migrated")
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# Migrate reviews
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for review in tqdm(OldReview.objects.all(),
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desc=_("reviews"), unit=str(_("review"))):
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try:
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Review.objects.create(
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title=review.title,
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number=review.number,
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year=review.year,
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month=review.month,
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day=review.day,
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double=review.double,
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present=review.present,
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)
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except:
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self.stderr.write(f"There was an error with {review} "
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f"({review.pk})")
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raise
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self.stdout.write(f"{Review.objects.count()} {_('reviews')} migrated")
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# Migrate games
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for game in tqdm(OldGame.objects.all(),
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desc=_("games"), unit=str(_("game"))):
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try:
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Game.objects.create(
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title=game.title,
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owner=game.owner,
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duration=game.duration,
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players_min=game.players_min,
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players_max=game.players_max,
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comment=game.comment,
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)
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except:
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self.stderr.write(f"There was an error with {game} "
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f"({game.pk})")
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raise
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self.stdout.write(f"{Game.objects.count()} {_('games')} migrated")
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if not options['doit']:
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self.stdout.write(self.style.WARNING(
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"Warning: Data were't saved. Please use --doit option "
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"to really perform the migration."
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))
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exit(1)
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