31 lines
1.3 KiB
Python
31 lines
1.3 KiB
Python
# Copyright (C) 2014-2015 Andrey Antukh <niwi@niwi.be>
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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.db import transaction
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from django.db import connection
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from . import base
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class EventsPushBackend(base.BaseEventsPushBackend):
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@transaction.atomic
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def emit_event(self, message:str, *, routing_key:str, channel:str="events"):
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routing_key = routing_key.replace(".", "__")
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channel = "{channel}_{routing_key}".format(channel=channel,
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routing_key=routing_key)
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sql = "NOTIFY {channel}, %s".format(channel=channel)
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cursor = connection.cursor()
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cursor.execute(sql, [message])
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cursor.close()
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