mirror of
https://github.com/bookwyrm-social/bookwyrm.git
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219 lines
7.7 KiB
Python
219 lines
7.7 KiB
Python
''' database schema for user data '''
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from urllib.parse import urlparse
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from django.contrib.auth.models import AbstractUser
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from django.db import models
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from django.dispatch import receiver
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from fedireads import activitypub
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from fedireads.models.shelf import Shelf
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from fedireads.models.status import Status
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from fedireads.settings import DOMAIN
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from fedireads.signatures import create_key_pair
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from .base_model import OrderedCollectionPageMixin
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from .base_model import ActivityMapping
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class User(OrderedCollectionPageMixin, AbstractUser):
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''' a user who wants to read books '''
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private_key = models.TextField(blank=True, null=True)
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public_key = models.TextField(blank=True, null=True)
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inbox = models.CharField(max_length=255, unique=True)
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shared_inbox = models.CharField(max_length=255, blank=True, null=True)
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federated_server = models.ForeignKey(
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'FederatedServer',
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on_delete=models.PROTECT,
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null=True,
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)
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outbox = models.CharField(max_length=255, unique=True)
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summary = models.TextField(blank=True, null=True)
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local = models.BooleanField(default=True)
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fedireads_user = models.BooleanField(default=True)
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localname = models.CharField(
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max_length=255,
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null=True,
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unique=True
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)
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# name is your display name, which you can change at will
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name = models.CharField(max_length=100, blank=True, null=True)
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avatar = models.ImageField(upload_to='avatars/', blank=True, null=True)
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following = models.ManyToManyField(
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'self',
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symmetrical=False,
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through='UserFollows',
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through_fields=('user_subject', 'user_object'),
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related_name='followers'
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)
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follow_requests = models.ManyToManyField(
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'self',
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symmetrical=False,
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through='UserFollowRequest',
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through_fields=('user_subject', 'user_object'),
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related_name='follower_requests'
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)
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blocks = models.ManyToManyField(
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'self',
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symmetrical=False,
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through='UserBlocks',
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through_fields=('user_subject', 'user_object'),
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related_name='blocked_by'
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)
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favorites = models.ManyToManyField(
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'Status',
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symmetrical=False,
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through='Favorite',
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through_fields=('user', 'status'),
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related_name='favorite_statuses'
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)
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remote_id = models.CharField(max_length=255, null=True, unique=True)
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created_date = models.DateTimeField(auto_now_add=True)
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updated_date = models.DateTimeField(auto_now=True)
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manually_approves_followers = models.BooleanField(default=False)
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# ---- activitypub serialization settings for this model ----- #
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@property
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def ap_followers(self):
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''' generates url for activitypub followers page '''
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return '%s/followers' % self.remote_id
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@property
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def ap_icon(self):
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''' send default icon if one isn't set '''
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if self.avatar:
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url = self.avatar.url
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# TODO not the right way to get the media type
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media_type = 'image/%s' % url.split('.')[-1]
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else:
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url = '%s/static/images/default_avi.jpg' % DOMAIN
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media_type = 'image/jpeg'
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return activitypub.Image(media_type, url, 'Image')
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@property
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def ap_public_key(self):
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''' format the public key block for activitypub '''
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return activitypub.PublicKey(**{
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'id': '%s/#main-key' % self.remote_id,
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'owner': self.remote_id,
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'publicKeyPem': self.public_key,
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})
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activity_mappings = [
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ActivityMapping('id', 'remote_id'),
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ActivityMapping(
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'preferredUsername',
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'username',
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activity_formatter=lambda x: x.split('@')[0]
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),
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ActivityMapping('name', 'name'),
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ActivityMapping('inbox', 'inbox'),
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ActivityMapping('outbox', 'outbox'),
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ActivityMapping('followers', 'ap_followers'),
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ActivityMapping('summary', 'summary'),
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ActivityMapping(
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'publicKey',
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'public_key',
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model_formatter=lambda x: x.get('publicKeyPem')
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),
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ActivityMapping('publicKey', 'ap_public_key'),
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ActivityMapping(
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'endpoints',
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'shared_inbox',
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activity_formatter=lambda x: {'sharedInbox': x},
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model_formatter=lambda x: x.get('sharedInbox')
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),
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ActivityMapping('icon', 'ap_icon'),
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ActivityMapping(
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'manuallyApprovesFollowers',
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'manually_approves_followers'
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),
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# this field isn't in the activity but should always be false
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ActivityMapping(None, 'local', model_formatter=lambda x: False),
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]
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activity_serializer = activitypub.Person
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def to_outbox(self, **kwargs):
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''' an ordered collection of statuses '''
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queryset = Status.objects.filter(
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user=self,
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).select_subclasses()
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return self.to_ordered_collection(queryset, \
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remote_id=self.outbox, **kwargs)
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def to_following_activity(self, **kwargs):
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''' activitypub following list '''
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remote_id = '%s/following' % self.remote_id
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return self.to_ordered_collection(self.following, \
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remote_id=remote_id, id_only=True, **kwargs)
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def to_followers_activity(self, **kwargs):
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''' activitypub followers list '''
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remote_id = '%s/followers' % self.remote_id
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return self.to_ordered_collection(self.followers, \
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remote_id=remote_id, id_only=True, **kwargs)
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def to_activity(self, pure=False):
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''' override default AP serializer to add context object
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idk if this is the best way to go about this '''
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activity_object = super().to_activity()
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activity_object['@context'] = [
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'https://www.w3.org/ns/activitystreams',
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'https://w3id.org/security/v1',
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{
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'manuallyApprovesFollowers': 'as:manuallyApprovesFollowers',
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'schema': 'http://schema.org#',
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'PropertyValue': 'schema:PropertyValue',
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'value': 'schema:value',
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}
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]
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return activity_object
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@receiver(models.signals.pre_save, sender=User)
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def execute_before_save(sender, instance, *args, **kwargs):
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''' populate fields for new local users '''
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# this user already exists, no need to poplate fields
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if instance.id:
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return
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if not instance.local:
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# we need to generate a username that uses the domain (webfinger format)
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actor_parts = urlparse(instance.remote_id)
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instance.username = '%s@%s' % (instance.username, actor_parts.netloc)
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return
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# populate fields for local users
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instance.remote_id = 'https://%s/user/%s' % (DOMAIN, instance.username)
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instance.localname = instance.username
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instance.username = '%s@%s' % (instance.username, DOMAIN)
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instance.actor = instance.remote_id
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instance.inbox = '%s/inbox' % instance.remote_id
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instance.shared_inbox = 'https://%s/inbox' % DOMAIN
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instance.outbox = '%s/outbox' % instance.remote_id
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if not instance.private_key:
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instance.private_key, instance.public_key = create_key_pair()
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@receiver(models.signals.post_save, sender=User)
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def execute_after_save(sender, instance, created, *args, **kwargs):
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''' create shelves for new users '''
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if not instance.local or not created:
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return
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shelves = [{
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'name': 'To Read',
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'identifier': 'to-read',
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}, {
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'name': 'Currently Reading',
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'identifier': 'reading',
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}, {
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'name': 'Read',
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'identifier': 'read',
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}]
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for shelf in shelves:
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Shelf(
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name=shelf['name'],
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identifier=shelf['identifier'],
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user=instance,
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editable=False
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).save()
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