41 lines
1.6 KiB
Python
41 lines
1.6 KiB
Python
# Copyright (C) 2014 Andrey Antukh <niwi@niwi.be>
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# Copyright (C) 2014 Jesús Espino <jespinog@gmail.com>
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# Copyright (C) 2014 David Barragán <bameda@dbarragan.com>
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# Copyright (C) 2014 Anler Hernández <hello@anler.me>
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero 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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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from django.utils.translation import ugettext as _
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from contextlib import contextmanager
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@contextmanager
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def without_signals(*disablers):
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for disabler in disablers:
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if not (isinstance(disabler, list) or isinstance(disabler, tuple)) or len(disabler) == 0:
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raise ValueError("The parameters must be lists of at least one parameter (the signal).")
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signal, *ids = disabler
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signal.backup_receivers = signal.receivers
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signal.receivers = list(filter(lambda x: x[0][0] not in ids, signal.receivers))
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try:
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yield
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except Exception as e:
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raise e
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finally:
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for disabler in disablers:
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signal, *ids = disabler
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signal.receivers = signal.backup_receivers
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