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https://gitlab.crans.org/bde/nk20-scripts
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create script for fusion club
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quark
parent
3dd5f6e3e0
commit
57c0c253fe
298
management/commands/merge_club.py
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298
management/commands/merge_club.py
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# Copyright (C) 2018-2021 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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import getpass
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from time import sleep
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from django.conf import settings
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from django.core.mail import mail_admins
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from django.contrib.auth.models import User
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from django.core.management.base import BaseCommand
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from django.db import transaction
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from django.db.models import Q
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from django.test import override_settings
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from note.models import Alias, Transaction, TransactionTemplate
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from member.models import Club, Membership
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class Command(BaseCommand):
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"""
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This script is used to merge clubs.
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THIS IS DANGEROUS SCRIPT, use it only if you know what you do !!!
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"""
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def add_arguments(self, parser):
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parser.add_argument('--fake_club', '-c', type=str, nargs='+', help="Club id to merge and delete.")
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parser.add_argument('--true_club', '-C', type=str, help="Club id will not be deleted.")
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parser.add_argument('--force', '-f', action='store_true',
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help="Force the script to have low verbosity.")
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parser.add_argument('--doit', '-d', action='store_true',
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help="Don't ask for a final confirmation and commit modification. "
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"This option should really be used carefully.")
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def handle(self, *args, **kwargs):
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force = kwargs['force']
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if not force:
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self.stdout.write(self.style.WARNING("This is a dangerous script. "
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"Please use --force to indicate that you known what you are doing. "
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"Nothing will be deleted yet."))
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sleep(5)
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# We need to know who to blame.
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qs = User.objects.filter(note__alias__normalized_name=Alias.normalize(getpass.getuser()))
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if not qs.exists():
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self.stderr.write(self.style.ERROR("I don't know who you are. Please add your linux id as an alias of "
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"your own account."))
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exit(2)
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executor = qs.get()
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deleted_clubs = []
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deleted = []
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created = []
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edited = []
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# Don't send mails during the process
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with override_settings(EMAIL_BACKEND='django.core.mail.backends.dummy.EmailBackend'):
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true_club_id = kwargs['true_club']
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if true_club_id.isnumeric():
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qs = Club.objects.filter(pk=int(true_club_id))
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if not qs.exists():
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self.stderr.write(self.style.WARNING(f"Club {true_club_id} was not found. Aborted…"))
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exit(2)
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true_club = qs.get()
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else:
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qs = Alias.objects.filter(normalized_name=Alias.normalize(true_club_id), note__noteclub__isnull=False)
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if not qs.exists():
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self.stderr.write(self.style.WARNING(f"Club {true_club_id} was not found. Aborted…"))
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exit(2)
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true_club = qs.get().note.club
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fake_clubs = []
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for fake_club_id in kwargs['fake_club']:
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if fake_club_id.isnumeric():
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qs = Club.objects.filter(pk=int(fake_club_id))
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if not qs.exists():
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self.stderr.write(self.style.WARNING(f"Club {fake_club_id} was not found. Ignoring…"))
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continue
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fake_clubs.append(qs.get())
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else:
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qs = Alias.objects.filter(normalized_name=Alias.normalize(fake_club_id), note__noteclub__isnull=False)
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if not qs.exists():
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self.stderr.write(self.style.WARNING(f"Club {fake_club_id} was not found. Ignoring…"))
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continue
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fake_clubs.append(qs.get().note.club)
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clubs = fake_clubs.copy()
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clubs.append(true_club)
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for club in fake_clubs:
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children = Club.objects.filter(parent_club=club)
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for child in children:
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if child not in fake_clubs:
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self.stderr.write(self.style.ERROR(f"Club {club} has child club {child} which are not selected for merge. Aborted."))
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exit(1)
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with transaction.atomic():
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local_deleted = []
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local_created = []
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local_edited = []
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# Unlock note to enable modifications
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for club in clubs:
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if force and not club.note.is_active:
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club.note.is_active = True
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club.note.save()
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# Deleting objects linked to fake_club and true_club
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# Deleting transactions
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# We delete transaction :
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# fake_club_i <-> fake_club_j
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# fake_club_i <-> true_club
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transactions = Transaction.objects.filter(Q(source__noteclub__club__in=clubs)
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& Q(destination__noteclub__club__in=clubs)).all()
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local_deleted += list(transactions)
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for tr in transactions:
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Removing {tr}…")
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if force:
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tr.delete()
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# Merge buttons
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buttons = TransactionTemplate.objects.filter(destination__club__in=fake_clubs)
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local_edited += list(buttons)
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for b in buttons:
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b.destination = true_club.note
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Edit {b}")
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if force:
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b.save()
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# Merge transactions
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transactions = Transaction.objects.filter(source__noteclub__club__in=fake_clubs)
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local_deleted += list(transactions)
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for tr in transactions:
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Removing {tr}…")
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tr_merge = tr
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tr_merge.source = true_club.note
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local_created.append(tr_merge)
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Creating {tr_merge}…")
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if force:
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if not tr.destination.is_active:
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tr.destination.is_active = True
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tr.destination.save()
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tr.delete()
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tr_merge.save()
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tr.destination.is_active = False
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tr.destination.save()
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else:
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tr.delete()
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tr_merge.save()
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transactions = Transaction.objects.filter(destination__noteclub__club__in=fake_clubs)
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local_deleted += list(transactions)
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for tr in transactions:
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Removing {tr}…")
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tr_merge = tr
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tr_merge.destination = true_club.note
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local_created.append(tr_merge)
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Creating {tr_merge}…")
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if force:
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if not tr.source.is_active:
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tr.source.is_active = True
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tr.source.save()
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tr.delete()
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tr_merge.save()
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tr.source.is_active = False
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tr.source.save()
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else:
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tr.delete()
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tr_merge.save()
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if 'permission' in settings.INSTALLED_APPS:
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from permission.models import Role
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r = Role.objects.filter(for_club__in=fake_clubs)
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for role in r:
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role.for_club = true_club
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local_edited.append(role)
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Edit {role}…")
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if force:
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role.save()
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# Merge memberships
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for club in fake_clubs:
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memberships = Membership.objects.filter(club=club)
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local_edited += list(memberships)
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for membership in memberships:
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Edit {membership}…")
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if force:
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membership.club = true_club
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membership.save()
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# Merging aliases
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alias_list = []
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for fake_club in fake_clubs:
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alias_list += list(fake_club.note.alias.all())
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local_deleted += alias_list
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for alias in alias_list:
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Removing alias {alias}…")
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alias_merge = alias
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alias_merge.note = true_club.note
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local_created.append(alias_merge)
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Creating alias {alias_merge}…")
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if force:
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alias.delete()
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alias_merge.save()
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if 'activity' in settings.INSTALLED_APPS:
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from activity.models import Activity
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# Merging activities
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activities = Activity.objects.filter(organizer__in=fake_clubs)
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for act in activities:
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act.organizer = true_club
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local_edited.append(act)
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Edit {act}…")
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if force:
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act.save()
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activities = Activity.objects.filter(attendees_club__in=fake_clubs)
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for act in activities:
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act.attendees_club = true_club
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local_edited.append(act)
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Edit {act}…")
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if force:
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act.save()
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if 'food' in settings.INSTALLED_APPS:
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from food.models import Food
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foods = Food.objects.filter(owner__in=fake_clubs)
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for f in foods:
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f.owner = true_club
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local_edited.append(f)
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Edit {f}…")
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if force:
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f.save()
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if 'wrapped' in settings.INSTALLED_APPS:
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from wrapped.models import Wrapped
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wraps = Wrapped.objects.filter(note__noteclub__club__in=fake_clubs)
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local_deleted += list(wraps)
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for w in wraps:
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Remove {w}…")
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if force:
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w.delete()
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# Deleting note
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for club in fake_clubs:
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local_deleted.append(club.note)
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Remove note of {club}…")
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if force:
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club.note.delete()
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# Finally deleting user
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for club in fake_clubs:
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local_deleted.append(club)
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if kwargs['verbosity'] >= 1:
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self.stdout.write(f"Remove {club}…")
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if force:
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club.delete()
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# This script should really not be used.
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if not kwargs['doit'] and not input('You are about to delete real user data. '
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'Are you really sure that it is what you want? [y/N] ')\
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.lower().startswith('y'):
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self.stdout.write(self.style.ERROR("Aborted."))
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exit(1)
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if kwargs['verbosity'] >= 1:
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for club in fake_clubs:
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self.stdout.write(self.style.SUCCESS(f"Club {club} deleted and merge in {true_club}."))
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deleted_clubs.append(clubs)
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deleted += local_deleted
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created += local_created
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edited += local_edited
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if deleted_clubs:
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message = f"Les clubs {deleted_clubs} ont été supprimé⋅es pour être fusionné dans le club {true_club} par {executor}.\n\n"
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message += "Ont été supprimés en conséquence les objets suivants :\n\n"
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for obj in deleted:
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message += f"{repr(obj)} (pk: {obj.pk})\n"
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message += "\n\nOnt été créés en conséquence les objects suivants :\n\n"
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for obj in created:
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message += f"{repr(obj)} (pk: {obj.pk})\n"
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message += "\n\nOnt été édités en conséquence les objects suivants :\n\n"
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for obj in edited:
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message += f"{repr(obj)} (pk: {obj.pk})\n"
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if force and kwargs['doit']:
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mail_admins("Clubs fusionnés", message)
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