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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 from optparse import OptionParser, SUPPRESS_HELP from ranger.ext.openstruct import OpenStruct from ranger import __version__, USAGE, DEFAULT_CONFDIR import ranger.api.commands from signal import signal, SIGINT from locale import getdefaultlocale, setlocale, LC_ALL from ranger.ext import curses_interrupt_handler from ranger.core.runner import Runner 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 def parse_arguments(): """Parse the program arguments""" 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('--fail-if-run', action='store_true', help="experimental: return the exit code 1 if ranger is" \ "used to run a file (with `ranger filename`)") 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 allow_access_to_confdir(confdir, allow): if allow: try: os.makedirs(confdir) except OSError as err: if err.errno != 17: # 17 means it already exists print("This configuration directory could not be created:") print(confdir) print("To run ranger without the need for configuration") print("files, use the --clean option.") raise SystemExit() if not confdir in sys.path: sys.path[0:0] = [confdir] else: if sys.path[0] == confdir: del sys.path[0] def load_settings(fm, clean): if not clean: allow_access_to_confdir(ranger.arg.confdir, True) # 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.") allow_access_to_confdir(ranger.arg.confdir, False) 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 load_apps(fm, clean): if not clean: allow_access_to_confdir(ranger.arg.confdir, True) try: import apps except ImportError: from ranger.defaults import apps allow_access_to_confdir(ranger.arg.confdir, False) else: from ranger.defaults import apps 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) # 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): def print_function(string): print(string) runner = Runner(logfunc=print_function) load_apps(runner, ranger.arg.clean) runner(files=[File(target)], mode=arg.mode, flags=arg.flags) sys.exit(1 if arg.fail_if_run else 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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