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# 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 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'''
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\
')
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 in the model directory
and load them.
'''
subpath = ['controlpanel', 'model']
file_names = os.listdir(os.path.join(config.shell_path, '/'.join(subpath)))
modules = []
for file_name in file_names:
if file_name.endswith('.py') and file_name != '__init__.py':
module_name = os.path.splitext(file_name)[0]
module = __import__('.'.join(subpath) + '.' +
module_name, globals(), locals(),
[module_name])
modules.append(module)
return modules
def main():
try:
options, args = getopt.getopt(sys.argv[1:], "h:s:g: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:]
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)
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