openlp/run_openlp.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2019 OpenLP Developers #
# --------------------------------------------------------------------------- #
# This program is free software; you can redistribute it and/or modify it #
# under the terms of the GNU General Public License as published by the Free #
# Software Foundation; version 2 of the License. #
# #
# 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 General Public License for #
# more details. #
# #
# You should have received a copy of the GNU General Public License along #
# with this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
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"""
The entrypoint for OpenLP
"""
import faulthandler
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
from openlp.core.common.applocation import AppLocation
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from openlp.core.common.path import create_paths
def set_up_fault_handling():
"""
Set up the Python fault handler
"""
# Create the cache directory if it doesn't exist, and enable the fault handler to log to an error log file
create_paths(AppLocation.get_directory(AppLocation.CacheDir))
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faulthandler.enable((AppLocation.get_directory(AppLocation.CacheDir) / 'error.log').open('wb'))
def start():
"""
Instantiate and run the application.
"""
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set_up_fault_handling()
# Add support for using multiprocessing from frozen Windows executable (built using PyInstaller),
# see https://docs.python.org/3/library/multiprocessing.html#multiprocessing.freeze_support
if is_win():
multiprocessing.freeze_support()
# Mac OS X passes arguments like '-psn_XXXX' to the application. This argument is actually a process serial number.
# However, this causes a conflict with other OpenLP arguments. Since we do not use this argument we can delete it
# to avoid any potential conflicts.
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__':
start()