Mercurial > libervia-desktop-kivy
diff src/cagou/core/kivy_hack.py @ 48:028a98983e46
core: avoid kivy arguments hijacking so QuickApp arguments parsing can be used
author | Goffi <goffi@goffi.org> |
---|---|
date | Sat, 10 Sep 2016 15:52:30 +0200 |
parents | src/cagou/core/logging_setter.py@56838ad5c84b |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cagou/core/kivy_hack.py Sat Sep 10 15:52:30 2016 +0200 @@ -0,0 +1,70 @@ +#!/usr//bin/env python2 +# -*- coding: utf-8 -*- + +# Cagou: desktop/mobile frontend for Salut à Toi XMPP client +# Copyright (C) 2016 Jérôme Poisson (goffi@goffi.org) + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. + +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +CONF_KIVY_LEVEL = 'log_kivy_level' + + +def do_hack(): + """work around Kivy hijacking of logs and arguments""" + # we remove args so kivy doesn't use them + # this is need to avoid kivy breaking QuickApp args handling + import sys + ori_argv = sys.argv[:] + sys.argv = sys.argv[:1] + from constants import Const as C + from sat.core import log_config + log_config.satConfigure(C.LOG_BACKEND_STANDARD, C) + + import config + kivy_level = config.getConfig(C.CONFIG_SECTION, CONF_KIVY_LEVEL, 'follow').upper() + + # kivy handles its own loggers, we don't want that! + import logging + root_logger = logging.root + kivy_logger = logging.getLogger('kivy') + ori_addHandler = kivy_logger.addHandler + kivy_logger.addHandler = lambda dummy: None + ori_setLevel = kivy_logger.setLevel + if kivy_level == 'FOLLOW': + # level is following SàT level + kivy_logger.setLevel = lambda level: None + elif kivy_level == 'KIVY': + # level will be set by Kivy according to its own conf + pass + elif kivy_level in C.LOG_LEVELS: + kivy_logger.setLevel(kivy_level) + kivy_logger.setLevel = lambda level: None + else: + raise ValueError(u"Unknown value for {name}: {value}".format(name=CONF_KIVY_LEVEL, value=kivy_level)) + + # during import kivy set its logging stuff + import kivy + kivy # to avoid pyflakes warning + + # we want to separate kivy logs from other logs + logging.root = root_logger + from kivy import logger + sys.stderr = logger.previous_stderr + + # we restore original methods + kivy_logger.addHandler = ori_addHandler + kivy_logger.setLevel = ori_setLevel + + # we restore original arguments + sys.argv = ori_argv