Source code for woob.launcher

# Copyright(C) 2009-2021  Romain Bignon
# This file is part of woob.
# woob is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# woob is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public License
# along with woob. If not, see <>.

import sys
import difflib
import importlib
import pkgutil

import woob
import woob.applications

    import woob_applications
except ImportError:
    woob_applications = None

__all__ = ['Launcher']

[docs]class Launcher:
[docs] @classmethod def list_apps(cls): apps = set() for module in pkgutil.iter_modules(woob.applications.__path__): apps.add( if woob_applications: for module in pkgutil.iter_modules(woob_applications.__path__): apps.add( apps.remove("main") return sorted(apps)
[docs] @classmethod def load_app(cls, app): try: app_module = importlib.import_module("woob.applications.%s" % app) except ImportError: app_module = importlib.import_module("woob_applications.%s" % app) return getattr(app_module, app_module.__all__[0])
[docs] @classmethod def run_app(cls, app, args): app_class = cls.load_app(app) return[app] + args)
[docs] @classmethod def print_list(cls, app_list): print('usage: woob [--version] <command> [<args>]') print() print('Use one of this commands:') for app in app_list: try: app_class = cls.load_app(app) except ImportError as e: print(' %-15s (unable to load: %s)' % (app, e)) else: print(' %-15s %s' % (app_class.APPNAME, app_class.SHORT_DESCRIPTION)) print() print('For more information about a command, use:') print(' $ man woob-<command>') print('or') print(' $ woob <command> --help')
[docs] @classmethod def print_version(cls): print('%s v%s %s' % (woob.__name__, woob.__version__, woob.__copyright__))
[docs] @classmethod def run(cls): app_list = cls.list_apps() if len(sys.argv) < 2 or sys.argv[1] == '--help': return cls.print_list(app_list) if sys.argv[1] == '--version': return cls.print_version() if sys.argv[1] == 'update': sys.argv.insert(1, 'config') if sys.argv[1] not in app_list: print("woob: '{0}' is not a woob command. See 'woob --help'.".format(sys.argv[1])) words = difflib.get_close_matches(sys.argv[1], app_list) if words: print() print('The most similar command is\n\t{0}'.format('\n\t'.join(words))) return 1 return cls.run_app(sys.argv[1], sys.argv[2:])