mirror of
https://github.com/lucaspalomodevelop/indico-plugins.git
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219 lines
8.5 KiB
Python
219 lines
8.5 KiB
Python
# This file is part of Indico.
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# Copyright (C) 2002 - 2016 European Organization for Nuclear Research (CERN).
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#
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# Indico is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# Indico is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Indico; if not, see <http://www.gnu.org/licenses/>.
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from __future__ import unicode_literals
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from collections import defaultdict
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from flask import g
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from sqlalchemy import inspect
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from indico.core import signals
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from indico.core.db.sqlalchemy.protection import ProtectionMode
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from indico.modules.events import Event
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from indico.modules.events.contributions.models.contributions import Contribution
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from indico.modules.events.contributions.models.subcontributions import SubContribution
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from indico.modules.events.sessions import Session
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from indico.util.event import unify_event_args
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from MaKaC.accessControl import AccessController
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from MaKaC.conference import Category, ConferenceHolder, Conference
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from indico_livesync.models.queue import LiveSyncQueueEntry, ChangeType
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from indico_livesync.util import obj_ref, is_ref_excluded
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def connect_signals(plugin):
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# request
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plugin.connect(signals.after_process, _apply_changes)
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plugin.connect(signals.before_retry, _clear_changes)
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# moved
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plugin.connect(signals.category.moved, _moved)
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plugin.connect(signals.event.moved, _moved)
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# created
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plugin.connect(signals.event.created, _created)
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plugin.connect(signals.event.contribution_created, _created)
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plugin.connect(signals.event.subcontribution_created, _created)
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# deleted
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plugin.connect(signals.event.deleted, _deleted)
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plugin.connect(signals.event.contribution_deleted, _deleted)
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plugin.connect(signals.event.subcontribution_deleted, _deleted)
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# updated
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plugin.connect(signals.event.data_changed, _updated)
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plugin.connect(signals.event.contribution_updated, _updated)
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plugin.connect(signals.event.subcontribution_updated, _updated)
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# timetable
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plugin.connect(signals.event.timetable_entry_created, _timetable_changed)
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plugin.connect(signals.event.timetable_entry_updated, _timetable_changed)
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plugin.connect(signals.event.timetable_entry_deleted, _timetable_changed)
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# protection
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plugin.connect(signals.category.protection_changed, _protection_changed_legacy)
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plugin.connect(signals.event.protection_changed, _protection_changed_legacy)
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plugin.connect(signals.acl.protection_changed, _protection_changed, sender=Session)
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plugin.connect(signals.acl.protection_changed, _protection_changed, sender=Contribution)
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# ACLs
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plugin.connect(signals.acl.access_granted, _acl_changed_legacy)
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plugin.connect(signals.acl.access_revoked, _acl_changed_legacy)
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plugin.connect(signals.acl.modification_granted, _acl_changed_legacy)
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plugin.connect(signals.acl.modification_revoked, _acl_changed_legacy)
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plugin.connect(signals.acl.entry_changed, _acl_entry_changed, sender=Event)
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plugin.connect(signals.acl.entry_changed, _acl_entry_changed, sender=Session)
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plugin.connect(signals.acl.entry_changed, _acl_entry_changed, sender=Contribution)
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# domain access
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plugin.connect(signals.category.domain_access_granted, _domain_changed)
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plugin.connect(signals.category.domain_access_revoked, _domain_changed)
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plugin.connect(signals.event.domain_access_granted, _domain_changed)
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plugin.connect(signals.event.domain_access_revoked, _domain_changed)
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# notes
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plugin.connect(signals.event.notes.note_added, _note_changed)
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plugin.connect(signals.event.notes.note_deleted, _note_changed)
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plugin.connect(signals.event.notes.note_modified, _note_changed)
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# attachments
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plugin.connect(signals.attachments.folder_deleted, _attachment_changed)
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plugin.connect(signals.attachments.attachment_created, _attachment_changed)
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plugin.connect(signals.attachments.attachment_deleted, _attachment_changed)
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plugin.connect(signals.attachments.attachment_updated, _attachment_changed)
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def _moved(obj, old_parent, new_parent, **kwargs):
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_register_change(obj, ChangeType.moved)
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category_protection = old_parent.isProtected()
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new_category_protection = new_parent.isProtected()
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if category_protection != new_category_protection and obj.getAccessProtectionLevel() == 0:
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_register_change(obj, ChangeType.protection_changed)
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def _created(obj, **kwargs):
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if isinstance(obj, Event):
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parent = None
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elif isinstance(obj, Contribution):
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parent = obj.event_new
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elif isinstance(obj, SubContribution):
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parent = obj.contribution
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else:
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raise TypeError('Unexpected object: {}'.format(type(obj).__name__))
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if parent:
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_register_change(parent, ChangeType.data_changed)
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_register_change(obj, ChangeType.created)
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def _deleted(obj, **kwargs):
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_register_deletion(obj)
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def _updated(obj, **kwargs):
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_register_change(obj, ChangeType.data_changed)
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def _timetable_changed(entry, **kwargs):
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_register_change(entry.event_new, ChangeType.data_changed)
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def _protection_changed_legacy(obj, old, new, **kwargs):
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if new == 0: # inheriting
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new = 1 if obj.isProtected() else -1
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if old != new:
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_register_change(obj, ChangeType.protection_changed)
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def _protection_changed(sender, obj, **kwargs):
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if isinstance(obj, Session):
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_register_change(obj.event_new, ChangeType.protection_changed)
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else:
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_register_change(obj, ChangeType.protection_changed)
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def _acl_changed_legacy(obj, **kwargs):
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_handle_acl_change(obj)
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def _acl_entry_changed(sender, obj, **kwargs):
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if not inspect(obj).persistent:
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return
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if isinstance(obj, Session):
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# if a session acl is changed we need to update all inheriting
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# contributions in that session
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for contrib in obj.contributions:
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if contrib.protection_mode == ProtectionMode.inheriting:
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_register_change(contrib, ChangeType.protection_changed)
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else:
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_register_change(obj, ChangeType.protection_changed)
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def _domain_changed(obj, **kwargs):
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_register_change(obj, ChangeType.protection_changed)
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def _note_changed(note, **kwargs):
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obj = note.event_new if isinstance(note.object, Session) else note.object
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_register_change(obj, ChangeType.data_changed)
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def _attachment_changed(attachment_or_folder, **kwargs):
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folder = getattr(attachment_or_folder, 'folder', attachment_or_folder)
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if not isinstance(folder.object, Category):
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_register_change(folder.object.event_new, ChangeType.data_changed)
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def _apply_changes(sender, **kwargs):
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if not hasattr(g, 'livesync_changes'):
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return
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for ref, changes in g.livesync_changes.iteritems():
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if is_ref_excluded(ref):
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continue
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LiveSyncQueueEntry.create(changes, ref)
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def _clear_changes(sender, **kwargs):
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if not hasattr(g, 'livesync_changes'):
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return
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del g.livesync_changes
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def _handle_acl_change(obj):
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if isinstance(obj, Category):
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_register_change(obj, ChangeType.protection_changed)
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elif isinstance(obj, Conference):
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if obj.getOwner():
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_register_change(obj, ChangeType.data_changed)
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elif isinstance(obj, AccessController):
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_handle_acl_change(obj.getOwner())
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else:
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raise TypeError('Unexpected object: {}'.format(type(obj).__name__))
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def _register_deletion(obj):
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_init_livesync_g()
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g.livesync_changes[obj_ref(obj)].add(ChangeType.deleted)
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@unify_event_args
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def _register_change(obj, action):
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if not isinstance(obj, Category):
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event = obj.event_new
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if event is None or event.is_deleted or event.as_legacy is None or event.as_legacy.getOwner() is None:
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# When deleting an event we get data change signals afterwards. We can simple ignore them.
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# When moving an event it's even worse, we get a data change notification in the middle of the move while
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# the event has no category...
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# Also, ACL changes during user merges might involve deleted objects which we also don't care about
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return
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_init_livesync_g()
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g.livesync_changes[obj_ref(obj)].add(action)
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def _init_livesync_g():
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g.setdefault('livesync_changes', defaultdict(set))
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