Source code for pympress.__main__

# -*- coding: utf-8 -*-
#       pympress
#       Copyright 2009, 2010 Thomas Jost <>
#       Copyright 2015 Cimbali <>
#       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; either version 2 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
#       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., 51 Franklin Street, Fifth Floor, Boston,
#       MA 02110-1301, USA.
:mod:`pympress.__main__` -- The entry point of pympress

import logging
import os
import sys
import locale

from pympress import util

# Setup logging, and catch all uncaught exceptions in the log file.
# Load pympress.util early (OS and path-specific things) to load and setup gettext translation asap.
logger = logging.getLogger(__name__)
logging.basicConfig(filename=util.get_log_path(), level=logging.DEBUG)

[docs] def uncaught_handler(*exc_info): """ Exception handler, to log uncaught exceptions to our log file. """ logger.critical('Uncaught exception:\n{}'.format(logging.Formatter().formatException(exc_info))) sys.__excepthook__(*exc_info)
sys.excepthook = uncaught_handler if util.IS_WINDOWS: if os.getenv('LANG') is None: lang, enc = locale.getdefaultlocale() os.environ['LANG'] = lang # Before any initialisation or imports util.make_windows_dpi_aware() try: loaded_locale = locale.setlocale(locale.LC_ALL, '') except locale.Error as err: logger.exception('Failed loading locale: {}'.format(err)) print('Failed loading locale: {}'.format(err), file=sys.stderr) util.get_translation('pympress').install() try: # python <3.6 does not have this ModuleNotFoundError except NameError: ModuleNotFoundError = ImportError # noqa: A001 -- not shadowing ModuleNotFoundError if it doesn’t exist # Load python bindings for gobject introspections, aka pygobject, aka gi, and pycairo. # These are dependencies that are not specified in the, so we need to start here. # They are not specified because: # - installing those via pip requires compiling (always for pygobject, if no compatible wheels exist for cairo), # - compiling requires a compiling toolchain, development packages of the libraries, etc., # - all of this makes more sense to be handled by the OS package manager, # - it is hard to make pretty error messages pointing this out at `pip install` time, # as they would have to be printed when the dependency resolution happens. # See try: import gi gi.require_version('Gtk', '3.0') from gi.repository import Gtk, Gdk, GLib, Gio import cairo except ModuleNotFoundError: logger.critical('Gobject Introspections and/or pycairo module is missing', exc_info = True) print('\n' + _('ERROR: Gobject Introspections and/or pycairo module is missing, ' + 'make sure Gtk, pygobject and pycairo are installed on your system.') + '\n') print(_('Try your operating system’s package manager, or try running: pip install pygobject pycairo')) print(_('pip will then download and compile pygobject and pycairo, ' + 'for which you need the Gtk and cairo headers (or development packages).') + '\n') print(_('For instructions, refer to')) print(_('If using a virtualenv or anaconda, you can also try allowing system site packages.')) print() exit(1) # Finally the real deal: load pympress modules, handle command line args, and start up from pympress import app
[docs] def main(argv = sys.argv[:]): """ Entry point of pympress. Parse command line arguments, instantiate the UI, and start the main loop. """ app.Pympress().run(argv)
if __name__ == "__main__": main() ## # Local Variables: # mode: python # indent-tabs-mode: nil # py-indent-offset: 4 # fill-column: 80 # end: