qutebrowser/qutebrowser/qutebrowser.py
2016-03-08 17:38:26 +01:00

156 lines
7.6 KiB
Python

# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
# Copyright 2014-2016 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
# This file is part of qutebrowser.
#
# qutebrowser 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 3 of the License, or
# (at your option) any later version.
#
# qutebrowser 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 qutebrowser. If not, see <http://www.gnu.org/licenses/>.
"""Early initialization and main entry point."""
import sys
import json
import qutebrowser
try:
from qutebrowser.misc.checkpyver import check_python_version
except ImportError:
try:
# python2
from .misc.checkpyver import check_python_version
except (SystemError, ValueError):
# Import without module - SystemError on Python3, ValueError (?!?) on
# Python2
sys.stderr.write("Please don't run this script directly, do something "
"like python3 -m qutebrowser instead.\n")
sys.stderr.flush()
sys.exit(100)
check_python_version()
import argparse
from qutebrowser.misc import earlyinit
def get_argparser():
"""Get the argparse parser."""
parser = argparse.ArgumentParser(prog='qutebrowser',
description=qutebrowser.__description__)
parser.add_argument('-c', '--confdir', help="Set config directory (empty "
"for no config storage).")
parser.add_argument('--datadir', help="Set data directory (empty for "
"no data storage).")
parser.add_argument('--cachedir', help="Set cache directory (empty for "
"no cache storage).")
parser.add_argument('--basedir', help="Base directory for all storage. "
"Other --*dir arguments are ignored if this is given.")
parser.add_argument('-V', '--version', help="Show version and quit.",
action='store_true')
parser.add_argument('-s', '--set', help="Set a temporary setting for "
"this session.", nargs=3, action='append',
dest='temp_settings', default=[],
metavar=('SECTION', 'OPTION', 'VALUE'))
parser.add_argument('-r', '--restore', help="Restore a named session.",
dest='session')
parser.add_argument('-R', '--override-restore', help="Don't restore a "
"session even if one would be restored.",
action='store_true')
parser.add_argument('--target', choices=['auto', 'tab', 'tab-bg',
'tab-silent', 'tab-bg-silent', 'window'],
help="How URLs should be opened if there is already a "
"qutebrowser instance running.")
parser.add_argument('--json-args', help=argparse.SUPPRESS)
parser.add_argument('--temp-basedir-restarted', help=argparse.SUPPRESS)
debug = parser.add_argument_group('debug arguments')
debug.add_argument('-l', '--loglevel', dest='loglevel',
help="Set loglevel", default='info',
choices=['critical', 'error', 'warning', 'info',
'debug', 'vdebug'])
debug.add_argument('--logfilter',
help="Comma-separated list of things to be logged "
"to the debug log on stdout.")
debug.add_argument('--loglines',
help="How many lines of the debug log to keep in RAM "
"(-1: unlimited).",
default=2000, type=int)
debug.add_argument('--debug', help="Turn on debugging options.",
action='store_true')
debug.add_argument('--nocolor', help="Turn off colored logging.",
action='store_false', dest='color')
debug.add_argument('--harfbuzz', choices=['old', 'new', 'system', 'auto'],
default='auto', help="HarfBuzz engine version to use. "
"Default: auto.")
debug.add_argument('--relaxed-config', action='store_true',
help="Silently remove unknown config options.")
debug.add_argument('--nowindow', action='store_true', help="Don't show "
"the main window.")
debug.add_argument('--debug-exit', help="Turn on debugging of late exit.",
action='store_true')
debug.add_argument('--pdb-postmortem', action='store_true',
help="Drop into pdb on exceptions.")
debug.add_argument('--temp-basedir', action='store_true', help="Use a "
"temporary basedir.")
debug.add_argument('--no-err-windows', action='store_true', help="Don't "
"show any error windows (used for tests/smoke.py).")
# For the Qt args, we use store_const with const=True rather than
# store_true because we want the default to be None, to make
# utils.qt:get_args easier.
debug.add_argument('--qt-name', help="Set the window name.",
metavar='NAME')
debug.add_argument('--qt-style', help="Set the Qt GUI style to use.",
metavar='STYLE')
debug.add_argument('--qt-stylesheet', help="Override the Qt application "
"stylesheet.", metavar='STYLESHEET')
debug.add_argument('--qt-widgetcount', help="Print debug message at the "
"end about number of widgets left undestroyed and "
"maximum number of widgets existed at the same time.",
action='store_const', const=True)
debug.add_argument('--qt-reverse', help="Set the application's layout "
"direction to right-to-left.", action='store_const',
const=True)
debug.add_argument('--qt-qmljsdebugger', help="Activate the QML/JS "
"debugger with a specified port. 'block' is optional "
"and will make the application wait until a debugger "
"connects to it.", metavar='port:PORT[,block]')
parser.add_argument('command', nargs='*', help="Commands to execute on "
"startup.", metavar=':command')
# URLs will actually be in command
parser.add_argument('url', nargs='*', help="URLs to open on startup "
"(empty as a window separator).")
return parser
def main():
parser = get_argparser()
if sys.platform == 'darwin' and getattr(sys, 'frozen', False):
# Ignore Mac OS X' idiotic -psn_* argument...
# http://stackoverflow.com/questions/19661298/
# http://sourceforge.net/p/cx-freeze/mailman/message/31041783/
argv = [arg for arg in sys.argv[1:] if not arg.startswith('-psn_0_')]
else:
argv = sys.argv[1:]
args = parser.parse_args(argv)
if args.json_args is not None:
# Restoring after a restart.
# When restarting, we serialize the argparse namespace into json, and
# construct a "fake" argparse.Namespace here based on the data loaded
# from json.
data = json.loads(args.json_args)
args = argparse.Namespace(**data)
earlyinit.earlyinit(args)
# We do this imports late as earlyinit needs to be run first (because of
# the harfbuzz fix and version checking).
from qutebrowser import app
return app.run(args)