forked from openlp/openlp
87 lines
3.4 KiB
Python
87 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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##########################################################################
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# OpenLP - Open Source Lyrics Projection #
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# ---------------------------------------------------------------------- #
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# Copyright (c) 2008-2019 OpenLP Developers #
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# ---------------------------------------------------------------------- #
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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 General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (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 General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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##########################################################################
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"""
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The entrypoint for OpenLP
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"""
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import atexit
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import faulthandler
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import logging
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import multiprocessing
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import sys
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# from OpenGL import GL
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from openlp.core.app import main
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from openlp.core.common import is_macosx, is_win
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from openlp.core.common.applocation import AppLocation
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from openlp.core.common.path import create_paths
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log = logging.getLogger(__name__)
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error_log_file = None
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def tear_down_fault_handling():
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"""
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When Python exits, close the file we were using for the faulthandler
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"""
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global error_log_file
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error_log_file.close()
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def set_up_fault_handling():
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"""
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Set up the Python fault handler
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"""
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global error_log_file
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# Create the cache directory if it doesn't exist, and enable the fault handler to log to an error log file
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try:
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create_paths(AppLocation.get_directory(AppLocation.CacheDir))
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error_log_file = (AppLocation.get_directory(AppLocation.CacheDir) / 'error.log').open('wb')
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atexit.register(tear_down_fault_handling)
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faulthandler.enable(error_log_file)
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except OSError:
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log.exception('An exception occurred when enabling the fault handler')
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atexit.unregister(tear_down_fault_handling)
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if error_log_file:
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error_log_file.close()
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def start():
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"""
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Instantiate and run the application.
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"""
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set_up_fault_handling()
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# Add support for using multiprocessing from frozen Windows executable (built using PyInstaller),
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# see https://docs.python.org/3/library/multiprocessing.html#multiprocessing.freeze_support
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if is_win():
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multiprocessing.freeze_support()
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# Mac OS X passes arguments like '-psn_XXXX' to the application. This argument is actually a process serial number.
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# However, this causes a conflict with other OpenLP arguments. Since we do not use this argument we can delete it
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# to avoid any potential conflicts.
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if is_macosx():
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sys.argv = [x for x in sys.argv if not x.startswith('-psn')]
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main()
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if __name__ == '__main__':
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start()
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