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#!/usr/bin/python
# coding=utf-8
#
# Copyright (C) 2009, 2010 Roman Zimbelmann <romanz@lavabit.com>
#
# 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 3 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
# 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, see <http://www.gnu.org/licenses/>.
import os
import sys
import ranger
def parse_arguments():
"""Parse the program arguments"""
from optparse import OptionParser, SUPPRESS_HELP
from ranger.ext.openstruct import OpenStruct
from ranger import __version__, USAGE, DEFAULT_CONFDIR
parser = OptionParser(usage=USAGE, version='ranger ' + __version__)
parser.add_option('-d', '--debug', action='store_true',
help="activate debug mode")
parser.add_option('-c', '--clean', action='store_true',
help="don't touch/require any config files. ")
parser.add_option('-r', '--confdir', type='string',
metavar='dir', default=DEFAULT_CONFDIR,
help="the configuration directory. (%default)")
parser.add_option('-m', '--mode', type='int', default=0, metavar='n',
help="if a filename is supplied, run it with this mode")
parser.add_option('-f', '--flags', type='string', default='',
metavar='string',
help="if a filename is supplied, run it with these flags.")
options, positional = parser.parse_args()
arg = OpenStruct(options.__dict__, targets=positional)
arg.confdir = os.path.expanduser(arg.confdir)
return arg
def load_settings(fm, clean):
import ranger.api.commands
if not clean:
try:
os.makedirs(ranger.arg.confdir)
except OSError as err:
if err.errno != 17: # 17 means it already exists
print("This configuration directory could not be created:")
print(ranger.arg.confdir)
print("To run ranger without the need for configuration")
print("files, use the --clean option.")
raise SystemExit()
sys.path[0:0] = [ranger.arg.confdir]
# Load commands
comcont = ranger.api.commands.CommandContainer()
ranger.api.commands.alias = comcont.alias
try:
import commands
comcont.load_commands_from_module(commands)
except ImportError:
pass
from ranger.defaults import commands
comcont.load_commands_from_module(commands)
commands = comcont
# Load apps
try:
import apps
except ImportError:
from ranger.defaults import apps
# Load keys
from ranger import shared, api
from ranger.api import keys
keymanager = shared.EnvironmentAware.env.keymanager
keys.keymanager = keymanager
from ranger.defaults import keys
try:
import keys
except ImportError:
pass
# COMPAT WARNING
if hasattr(keys, 'initialize_commands'):
print("Warning: the syntax for ~/.ranger/keys.py has changed.")
print("Your custom keys are not loaded."\
" Please update your configuration.")
del sys.path[0]
else:
comcont = ranger.api.commands.CommandContainer()
ranger.api.commands.alias = comcont.alias
from ranger.defaults import commands, keys, apps
comcont.load_commands_from_module(commands)
commands = comcont
fm.commands = commands
fm.keys = keys
fm.apps = apps.CustomApplications()
def main():
"""initialize objects and run the filemanager"""
try:
import curses
except ImportError as errormessage:
print(errormessage)
print('ranger requires the python curses module. Aborting.')
sys.exit(1)
from signal import signal, SIGINT
from locale import getdefaultlocale, setlocale, LC_ALL
from ranger.ext import curses_interrupt_handler
from ranger.core.fm import FM
from ranger.core.environment import Environment
from ranger.shared import (EnvironmentAware, FileManagerAware,
SettingsAware)
from ranger.gui.defaultui import DefaultUI as UI
from ranger.fsobject.file import File
# Ensure that a utf8 locale is set.
if getdefaultlocale()[1] not in ('utf8', 'UTF-8'):
for locale in ('en_US.utf8', 'en_US.UTF-8'):
try: setlocale(LC_ALL, locale)
except: pass
else: break
else: setlocale(LC_ALL, '')
else: setlocale(LC_ALL, '')
arg = parse_arguments()
ranger.arg = arg
if not ranger.arg.debug:
curses_interrupt_handler.install_interrupt_handler()
SettingsAware._setup()
if arg.targets:
target = arg.targets[0]
if not os.access(target, os.F_OK):
print("File or directory doesn't exist: %s" % target)
sys.exit(1)
elif os.path.isfile(target):
thefile = File(target)
fm = FM()
load_settings(fm, ranger.arg.clean)
fm.execute_file(thefile, mode=arg.mode, flags=arg.flags)
sys.exit(0)
else:
path = target
else:
path = '.'
try:
# Initialize objects
EnvironmentAware._assign(Environment(path))
fm = FM()
load_settings(fm, ranger.arg.clean)
FileManagerAware._assign(fm)
fm.ui = UI()
# Run the file manager
fm.initialize()
fm.ui.initialize()
fm.loop()
finally:
# Finish, clean up
try:
fm.ui.destroy()
except (AttributeError, NameError):
pass
if __name__ == '__main__':
top_dir = os.path.dirname(sys.path[0])
sys.path.insert(0, top_dir)
main()
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