Mercurial > libervia-backend
comparison libervia/frontends/tools/host_listener.py @ 4074:26b7ed2817da
refactoring: rename `sat_frontends` to `libervia.frontends`
author | Goffi <goffi@goffi.org> |
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date | Fri, 02 Jun 2023 14:12:38 +0200 |
parents | sat_frontends/tools/host_listener.py@524856bd7b19 |
children |
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4073:7c5654c54fed | 4074:26b7ed2817da |
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1 #!/usr/bin/env python3 | |
2 | |
3 | |
4 # SAT: a jabber client | |
5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) | |
6 | |
7 # This program is free software: you can redistribute it and/or modify | |
8 # it under the terms of the GNU Affero General Public License as published by | |
9 # the Free Software Foundation, either version 3 of the License, or | |
10 # (at your option) any later version. | |
11 | |
12 # This program is distributed in the hope that it will be useful, | |
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 # GNU Affero General Public License for more details. | |
16 | |
17 # You should have received a copy of the GNU Affero General Public License | |
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | |
20 """This module is only used launch callbacks when host is ready, used for early initialisation stuffs""" | |
21 | |
22 | |
23 listeners = [] | |
24 | |
25 | |
26 def addListener(cb): | |
27 """Add a listener which will be called when host is ready | |
28 | |
29 @param cb: callback which will be called when host is ready with host as only argument | |
30 """ | |
31 listeners.append(cb) | |
32 | |
33 | |
34 def call_listeners(host): | |
35 """Must be called by frontend when host is ready. | |
36 | |
37 The call will launch all the callbacks, then remove the listeners list. | |
38 @param host(QuickApp): the instancied QuickApp subclass | |
39 """ | |
40 global listeners | |
41 while True: | |
42 try: | |
43 cb = listeners.pop(0) | |
44 cb(host) | |
45 except IndexError: | |
46 break | |
47 del listeners |