119 lines
5.4 KiB
Python
119 lines
5.4 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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# This file is part of qutebrowser.
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#
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# qutebrowser 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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# qutebrowser 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 qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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"""Early initialization and main entry point."""
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import sys
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import qutebrowser
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try:
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from qutebrowser.utils.checkpyver import check_python_version
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except ImportError:
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try:
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# python2
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from .utils.checkpyver import check_python_version
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except (SystemError, ValueError):
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# Import without module - SystemError on Python3, ValueError (?!?) on
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# Python2
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sys.stderr.write("Please don't run this script directly, do something "
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"like python3 -m qutebrowser instead.\n")
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sys.stderr.flush()
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sys.exit(100)
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check_python_version()
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import argparse
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from qutebrowser.utils import earlyinit
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def get_argparser():
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"""Get the argparse parser."""
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parser = argparse.ArgumentParser("usage: qutebrowser",
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description=qutebrowser.__description__)
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parser.add_argument('-c', '--confdir', help="Set config directory (empty "
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"for no config storage)")
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parser.add_argument('-V', '--version', help="Show version and quit.",
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action='store_true')
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debug = parser.add_argument_group('debug arguments')
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debug.add_argument('-l', '--loglevel', dest='loglevel',
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help="Set loglevel", default='info')
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debug.add_argument('--logfilter',
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help="Comma-separated list of things to be logged "
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"to the debug log on stdout.")
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debug.add_argument('--loglines',
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help="How many lines of the debug log to keep in RAM "
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"(-1: unlimited).",
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default=1000, type=int)
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debug.add_argument('--debug', help="Turn on debugging options.",
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action='store_true')
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debug.add_argument('--nocolor', help="Turn off colored logging.",
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action='store_false', dest='color')
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debug.add_argument('--harfbuzz', choices=['old', 'new', 'system', 'auto'],
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default='auto', help="HarfBuzz engine version to use. "
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"Default: auto.")
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debug.add_argument('--nowindow', action='store_true', help="Don't show "
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"the main window.")
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debug.add_argument('--debug-exit', help="Turn on debugging of late exit.",
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action='store_true')
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# For the Qt args, we use store_const with const=True rather than
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# store_true because we want the default to be None, to make
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# utils.qt:get_args easier.
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debug.add_argument('--qt-style', help="Set the Qt GUI style to use.",
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metavar='STYLE')
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debug.add_argument('--qt-stylesheet', help="Override the Qt application "
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"stylesheet.", metavar='STYLESHEET')
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debug.add_argument('--qt-widgetcount', help="Print debug message at the "
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"end about number of widgets left undestroyed and "
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"maximum number of widgets existed at the same time.",
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action='store_const', const=True)
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debug.add_argument('--qt-reverse', help="Set the application's layout "
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"direction to right-to-left.", action='store_const',
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const=True)
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debug.add_argument('--qt-qmljsdebugger', help="Activate the QML/JS "
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"debugger with a specified port. 'block' is optional "
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"and will make the application wait until a debugger "
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"connects to it.", metavar='port:PORT[,block]')
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parser.add_argument('command', nargs='*', help="Commands to execute on "
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"startup.", metavar=':command')
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# URLs will actually be in command
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parser.add_argument('url', nargs='*', help="URLs to open on startup "
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"(empty as a window separator).")
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return parser
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def main():
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"""Main entry point for qutebrowser."""
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parser = get_argparser()
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args = parser.parse_args()
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earlyinit.earlyinit(args)
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# We do this imports late as earlyinit needs to be run first (because of
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# the harfbuzz fix and version checking).
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from qutebrowser import app
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import PyQt5.QtWidgets as QtWidgets
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app = app.Application(args)
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# We set qApp explicitely here to reduce the risk of segfaults while
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# quitting.
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# See https://bugs.launchpad.net/ubuntu/+source/python-qt4/+bug/561303/comments/7
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# While this is a workaround for PyQt4 which should be fixed in PyQt, it
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# seems this still reduces segfaults.
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# FIXME: We should do another attempt at contacting upstream about this.
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QtWidgets.qApp = app
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ret = app.exec_()
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QtWidgets.qApp = None
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return ret
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