Mercurial > libervia-backend

annotate sat/__init__.py @ 3941:036188fff714

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plugin pubsub cache: avoid race condition by retrying node request: When retrieving items, there may be a race condition if a node is not found in cache, then created before `setPubsubNode` is called. This patch handle this case by retrying in case of UNIQUE constraint violation.
author Goffi <goffi@goffi.org>
date Sat, 15 Oct 2022 20:38:33 +0200
parents c018c510a562
children
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ab2696e34d29 Python 3 port:
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1 #!/usr/bin/env python3
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2
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7550ae9cfbac Renamed the project from "Salut à Toi" to "Libervia":
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3 # Libervia: an XMPP client
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4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 import os.path
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19 from sat_tmp import wokkel
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21 version_file = os.path.join(os.path.dirname(__file__), "VERSION")
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22 with open(version_file) as f:
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23 __version__ = f.read().strip()
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24
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25 if not wokkel.installed:
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26 wokkel.install()