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405 lines
17 KiB
Python
405 lines
17 KiB
Python
#
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# Copyright 2023
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# - Skia <skia@hya.sk>
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#
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# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
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# http://ae.utbm.fr.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License a published by the Free Software
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# Foundation; either version 3 of the License, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple
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# Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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#
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import logging
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import warnings
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from datetime import timedelta
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from typing import Final, Optional
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from django.conf import settings
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from django.core.files.base import ContentFile
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from django.core.management.base import BaseCommand
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from django.utils import timezone
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from club.models import Club, Membership
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from core.models import Group, Page, SithFile, User
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from core.utils import RED_PIXEL_PNG
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from sas.models import Album, PeoplePictureRelation, Picture
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from subscription.models import Subscription
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USER_PACK_SIZE: Final[int] = 1000
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class Command(BaseCommand):
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help = "Procedurally generate representative data for developing the Galaxy"
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.now = timezone.now().replace(hour=12)
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self.users: Optional[list[User]] = None
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self.clubs: Optional[list[Club]] = None
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self.picts: Optional[list[Picture]] = None
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self.pictures_tags: Optional[list[PeoplePictureRelation]] = None
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def add_arguments(self, parser):
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parser.add_argument(
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"--user-pack-count",
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help=f"Number of packs of {USER_PACK_SIZE} users to create",
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type=int,
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default=1,
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)
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parser.add_argument(
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"--club-count", help="Number of clubs to create", type=int, default=50
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)
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def handle(self, *args, **options):
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self.logger = logging.getLogger("main")
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if not 0 <= options["verbosity"] <= 2:
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warnings.warn(
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"verbosity level should be between 0 and 2 included", stacklevel=2
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)
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if options["verbosity"] == 2:
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self.logger.setLevel(logging.DEBUG)
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elif options["verbosity"] == 1:
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self.logger.setLevel(logging.INFO)
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else:
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self.logger.setLevel(logging.ERROR)
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self.logger.info("The Galaxy is being populated by the Sith.")
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self.logger.info("Cleaning old Galaxy population")
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Club.objects.filter(name__startswith="galaxy-").delete()
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Group.objects.filter(name__startswith="galaxy-").delete()
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Page.objects.filter(name__startswith="galaxy-").delete()
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User.objects.filter(username__startswith="galaxy-").delete()
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Picture.objects.filter(name__startswith="galaxy-").delete()
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Album.objects.filter(name__startswith="galaxy-").delete()
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self.logger.info("Done. Populating a new Galaxy")
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self.NB_USERS = options["user_pack_count"] * USER_PACK_SIZE
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self.NB_CLUBS = options["club_count"]
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root = User.objects.filter(username="root").first()
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sas = SithFile.objects.get(id=settings.SITH_SAS_ROOT_DIR_ID)
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self.galaxy_album = Album.objects.create(
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name="galaxy-register-file",
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owner=root,
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is_moderated=True,
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is_in_sas=True,
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parent=sas,
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)
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self.make_clubs()
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self.make_users()
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self.make_families()
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self.make_club_memberships()
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self.make_pictures()
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self.make_pictures_memberships()
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half_pack = USER_PACK_SIZE // 2
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for u in range(half_pack, self.NB_USERS, half_pack):
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self.make_important_citizen(u)
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def make_clubs(self):
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"""Create all the clubs [club.models.Club][].
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After creation, the clubs are stored in `self.clubs` for fast access later.
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Don't create the pages of the clubs ([core.models.Page][]).
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"""
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# dummy groups.
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# the galaxy doesn't care about the club groups,
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# but it's necessary to add them nonetheless in order
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# not to break the integrity constraints
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pages = Page.objects.bulk_create(
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[Page(name="page", _full_name="page") for _ in range(self.NB_CLUBS)]
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)
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self.clubs = Club.objects.bulk_create(
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[
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Club(
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name=f"galaxy-club-{i}",
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slug_name=f"galaxy-club-{i}",
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board_group=Group.objects.create(name=f"board {i}"),
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members_group=Group.objects.create(name=f"members {i}"),
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page=page,
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)
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for i, page in enumerate(pages)
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]
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)
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def make_users(self):
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"""Create all the users and store them in `self.users` for fast access later.
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Also create a subscription for all the generated users.
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"""
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self.users = []
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for i in range(self.NB_USERS):
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u = User(
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username=f"galaxy-user-{i}",
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email=f"{i}@galaxy.test",
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first_name="Citizen",
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last_name=f"n°{i}",
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)
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self.logger.info(f"Creating {u}")
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self.users.append(u)
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User.objects.bulk_create(self.users)
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self.users = list(User.objects.filter(username__startswith="galaxy-").all())
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# now that users are created, create their subscription
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subs = []
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end = Subscription.compute_end(duration=2)
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for i, user in enumerate(self.users):
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self.logger.info(f"Registering {user}")
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subs.append(
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Subscription(
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member=user,
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subscription_start=Subscription.compute_start(
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self.now - timedelta(days=self.NB_USERS - i)
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),
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subscription_end=end,
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)
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)
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Subscription.objects.bulk_create(subs)
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def make_families(self):
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"""Generate the godfather/godchild relations for the users contained in :attr:`self.users`.
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The :meth:`make_users` method must have been called beforehand.
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This will iterate on all citizen after the 200th.
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Then it will take 14 other citizen among the previous 200
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(godfathers are usually older), and apply another
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heuristic to determine whether they should have a family link
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It will result in approximately 40% of users having at least one godchild
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and 70% having at least one godfather.
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"""
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if self.users is None:
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raise RuntimeError(
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"The `make_users()` method must be called before `make_families()`"
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)
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godfathers = []
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for i in range(200, self.NB_USERS):
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for j in range(i - 200, i, 14): # this will loop 14 times (14² = 196)
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if (i // 10) % 10 == (i + j) % 10:
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u1 = self.users[i]
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u2 = self.users[j]
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godfathers.append(User.godfathers.through(from_user=u1, to_user=u2))
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self.logger.info(f"Making {u2} the godfather of {u1}")
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User.godfathers.through.objects.bulk_create(godfathers)
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def make_club_memberships(self):
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"""Assign users to clubs and give them a role in a pseudo-random way.
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The :meth:`make_users` and :meth:`make_clubs` methods
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must have been called beforehand.
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Work by making multiples passes on all users to affect
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them some pseudo-random roles in some clubs.
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The multiple passes are useful to get some variations over who goes where.
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Each pass for each user has a chance to affect her to two different clubs,
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increasing a bit more the created chaos, while remaining purely deterministic.
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"""
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if self.users is None:
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raise RuntimeError(
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"The `make_users()` method must be called before `make_club_memberships()`"
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)
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if self.clubs is None:
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raise RuntimeError(
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"The `make_clubs()` method must be called before `make_club_memberships()`"
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)
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memberships = []
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for i in range(1, 11): # users can be in up to 20 clubs
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self.logger.info(f"Club membership, pass {i}")
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for uid in range(
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i, self.NB_USERS, i
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): # Pass #1 will make sure every user is at least in one club
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user = self.users[uid]
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club = self.clubs[(uid + i**2) % self.NB_CLUBS]
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start = self.now - timedelta(
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days=(((self.NB_USERS - uid) * i) // 110)
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) # older users were in clubs before newer users
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end = start + timedelta(days=180) # about one semester
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self.logger.debug(
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f"Making {user} a member of club {club} from {start} to {end}"
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)
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memberships.append(
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Membership(
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user=user,
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club=club,
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role=(uid + i) % 10 + 1, # spread the different roles
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start_date=start,
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end_date=end,
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)
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)
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for uid in range(
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10 + i * 2, self.NB_USERS, 10 + i * 2
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): # Make a second affectation that will skip most users, to make a few citizen more important
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user = self.users[uid]
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club = self.clubs[(uid + i**3) % self.NB_CLUBS]
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start = self.now - timedelta(
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days=(((self.NB_USERS - uid) * i) // 100)
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) # older users were in clubs before newer users
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end = start + timedelta(days=180) # about one semester
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self.logger.debug(
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f"Making {user} a member of club {club} from {start} to {end}"
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)
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memberships.append(
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Membership(
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user=user,
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club=club,
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role=((uid // 10) + i) % 10 + 1, # spread the different roles
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start_date=start,
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end_date=end,
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)
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)
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Membership.objects.bulk_create(memberships)
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def make_pictures(self):
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"""Create pictures for users to be tagged on later.
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The :meth:`make_users` method must have been called beforehand.
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"""
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if self.users is None:
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raise RuntimeError(
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"The `make_users()` method must be called before `make_families()`"
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)
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self.picts = []
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# Create twice as many pictures as users
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for i in range(self.NB_USERS * 2):
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u = self.users[i % self.NB_USERS]
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self.logger.info(f"Making Picture {i // self.NB_USERS} for {u}")
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self.picts.append(
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Picture(
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owner=u,
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name=f"galaxy-picture {u} {i // self.NB_USERS}",
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is_moderated=True,
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is_folder=False,
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parent=self.galaxy_album,
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is_in_sas=True,
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file=ContentFile(RED_PIXEL_PNG),
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compressed=ContentFile(RED_PIXEL_PNG),
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thumbnail=ContentFile(RED_PIXEL_PNG),
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mime_type="image/png",
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size=len(RED_PIXEL_PNG),
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)
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)
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self.picts[i].file.name = self.picts[i].name
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self.picts[i].compressed.name = self.picts[i].name
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self.picts[i].thumbnail.name = self.picts[i].name
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Picture.objects.bulk_create(self.picts)
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self.picts = list(Picture.objects.filter(name__startswith="galaxy-").all())
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def make_pictures_memberships(self):
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"""Assign users to pictures and make enough of them for our
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created users to be eligible for promotion as citizen.
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See `galaxy.models.Galaxy.rule` for details on promotion to citizen.
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"""
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self.pictures_tags = []
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# We don't want to handle limits, users in the middle will be far enough
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def _tag_neighbors(uid, neighbor_dist, pict_offset, pict_dist):
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u2 = self.users[uid - neighbor_dist]
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u3 = self.users[uid + neighbor_dist]
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self.pictures_tags += [
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PeoplePictureRelation(user=u2, picture=self.picts[uid + pict_offset]),
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PeoplePictureRelation(user=u3, picture=self.picts[uid + pict_offset]),
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PeoplePictureRelation(user=u2, picture=self.picts[uid - pict_dist]),
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PeoplePictureRelation(user=u3, picture=self.picts[uid - pict_dist]),
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PeoplePictureRelation(user=u2, picture=self.picts[uid + pict_dist]),
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PeoplePictureRelation(user=u3, picture=self.picts[uid + pict_dist]),
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]
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for uid in range(200, self.NB_USERS - 200):
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u1 = self.users[uid]
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self.logger.info(f"Pictures of {u1}")
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self.pictures_tags += [
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PeoplePictureRelation(user=u1, picture=self.picts[uid]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid - 14]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid + 14]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid - 20]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid + 20]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid - 21]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid + 21]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid - 22]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid + 22]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid - 30]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid + 30]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid - 31]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid + 31]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid - 32]),
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PeoplePictureRelation(user=u1, picture=self.picts[uid + 32]),
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]
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if uid % 3 == 0:
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_tag_neighbors(uid, 1, 0, 40)
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if uid % 5 == 0:
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_tag_neighbors(uid, 2, 0, 50)
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if uid % 10 == 0:
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_tag_neighbors(uid, 3, 0, 60)
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if uid % 20 == 0:
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_tag_neighbors(uid, 5, 0, 70)
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if uid % 25 == 0:
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_tag_neighbors(uid, 10, 0, 80)
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if uid % 2 == 1:
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_tag_neighbors(uid, 1, self.NB_USERS, 90)
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if uid % 15 == 0:
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_tag_neighbors(uid, 5, self.NB_USERS, 100)
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if uid % 30 == 0:
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_tag_neighbors(uid, 4, self.NB_USERS, 110)
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PeoplePictureRelation.objects.bulk_create(self.pictures_tags)
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def make_important_citizen(self, uid: int):
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"""Make the user whose uid is given in parameter a more important citizen.
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This will trigger many more connections to others (lanes)
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and dragging him towards the center of the Galaxy.
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This promotion is obtained by adding more family links
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and by tagging the user in more pictures.
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The users chosen to be added to this user's family shall
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also be tagged in more pictures, thus making them also
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more important.
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Args:
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uid: the id of the user to make more important
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"""
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u1 = self.users[uid]
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u2 = self.users[uid - 100]
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u3 = self.users[uid + 100]
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User.godfathers.through.objects.bulk_create(
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[
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User.godfathers.through(from_user=u1, to_user=u2),
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User.godfathers.through(from_user=u3, to_user=u2),
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],
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ignore_conflicts=True, # in case a relationship has already been created
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)
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self.logger.info(f"{u1} will be important and close to {u2} and {u3}")
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pictures_tags = []
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for p in range(uid - 400, uid - 200):
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# Mix them with other citizen for more chaos
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pictures_tags += [
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PeoplePictureRelation(user=u1, picture=self.picts[p]),
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PeoplePictureRelation(user=u2, picture=self.picts[p]),
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PeoplePictureRelation(user=u1, picture=self.picts[p + self.NB_USERS]),
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PeoplePictureRelation(user=u2, picture=self.picts[p + self.NB_USERS]),
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]
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# users may already be on the pictures.
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# In this case the conflict will just be ignored
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# and nothing will happen for this entry
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PeoplePictureRelation.objects.bulk_create(pictures_tags, ignore_conflicts=True)
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