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Diffstat (limited to 'src/jarabe/controlpanel/cmd.py')
| -rw-r--r-- | src/jarabe/controlpanel/cmd.py | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/jarabe/controlpanel/cmd.py b/src/jarabe/controlpanel/cmd.py new file mode 100644 index 0000000..c4870c9 --- /dev/null +++ b/src/jarabe/controlpanel/cmd.py @@ -0,0 +1,161 @@ +# Copyright (C) 2007, 2008 One Laptop Per Child +# +# 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 2 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, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +import sys +import getopt +import os +from gettext import gettext as _ +import logging + +from jarabe import config + + +_RESTART = 1 + +_same_option_warning = _('sugar-control-panel: WARNING, found more than one' + ' option with the same name: %s module: %r') +_no_option_error = _('sugar-control-panel: key=%s not an available option') +_general_error = _('sugar-control-panel: %s') + + +def cmd_help(): + """Print the help to the screen""" + # TRANS: Translators, there's a empty line at the end of this string, + # which must appear in the translated string (msgstr) as well. + print _('Usage: sugar-control-panel [ option ] key [ args ... ] \n\ + Control for the sugar environment. \n\ + Options: \n\ + -h show this help message and exit \n\ + -l list all the available options \n\ + -h key show information about this key \n\ + -g key get the current value of the key \n\ + -s key set the current value for the key \n\ + -c key clear the current value for the key \n\ + ') + + +def note_restart(): + """Instructions how to restart sugar""" + print _('To apply your changes you have to restart Sugar.\n' + + 'Hit ctrl+alt+erase on the keyboard to trigger a restart.') + + +def load_modules(): + """Build a list of pointers to available modules and import them. + """ + modules = [] + + path = os.path.join(config.ext_path, 'cpsection') + folder = os.listdir(path) + + for item in folder: + if os.path.isdir(os.path.join(path, item)) and \ + os.path.exists(os.path.join(path, item, 'model.py')): + try: + module = __import__('.'.join(('cpsection', item, 'model')), + globals(), locals(), ['model']) + except Exception: + logging.exception('Exception while loading extension:') + else: + modules.append(module) + + return modules + + +def main(): + try: + options, args = getopt.getopt(sys.argv[1:], 'h:s:g:c:l', []) + except getopt.GetoptError: + cmd_help() + sys.exit(2) + + if not options: + cmd_help() + sys.exit(2) + + modules = load_modules() + + for option, key in options: + found = 0 + if option in ('-h'): + for module in modules: + method = getattr(module, 'set_' + key, None) + if method: + found += 1 + if found == 1: + print method.__doc__ + else: + print _(_same_option_warning % (key, module)) + if found == 0: + print _(_no_option_error % key) + if option in ('-l'): + for module in modules: + methods = dir(module) + print '%s:' % module.__name__.split('.')[1] + for method in methods: + if method.startswith('get_'): + print ' %s' % method[4:] + elif method.startswith('clear_'): + print ' %s (use the -c argument with this option)' \ + % method[6:] + if option in ('-g'): + for module in modules: + method = getattr(module, 'print_' + key, None) + if method: + found += 1 + if found == 1: + try: + method() + except Exception, detail: + print _(_general_error % detail) + else: + print _(_same_option_warning % (key, module)) + if found == 0: + print _(_no_option_error % key) + if option in ('-s'): + for module in modules: + method = getattr(module, 'set_' + key, None) + if method: + note = 0 + found += 1 + if found == 1: + try: + note = method(*args) + except Exception, detail: + print _(_general_error % detail) + if note == _RESTART: + note_restart() + else: + print _(_same_option_warning % (key, module)) + if found == 0: + print _(_no_option_error % key) + if option in ('-c'): + for module in modules: + method = getattr(module, 'clear_' + key, None) + if method: + note = 0 + found += 1 + if found == 1: + try: + note = method(*args) + except Exception, detail: + print _(_general_error % detail) + if note == _RESTART: + note_restart() + else: + print _(_same_option_warning % (key, module)) + if found == 0: + print _(_no_option_error % key) |