def run(self, ctx):
cmd_args = ctx.cmd_opts
if len(cmd_args) < 1:
print get_simple_usage()
return
# Parse the options for help command itself
cmd_name = None
help_args = []
if not cmd_args[0].startswith('-'):
cmd_name = cmd_args[0]
cmd_args.pop(0)
else:
# eat all the help options
_args = [cmd_args.pop(0)]
while not _args[0].startswith('-') and len(cmd_args) > 0:
_args.append(cmd_args.pop(0))
help_args = _args
cmd_name = cmd_args[0]
# XXX: overkill as we don't support any options for now
try:
parser = OptionParser()
for o in self.opts:
parser.add_option(o)
parser.parse_args(help_args)
except OptionError, e:
raise UsageException("%s: error: %s for help subcommand" % (SCRIPT_NAME, e))
class Command(object):
long_descr = None
short_descr = None
# XXX: decide how to deal with subcommands options
opts = [Option('-h', '--help',
help="Show this message and exits.",
action="store_true")]
def __init__(self):
self.parser = None
def _create_parser(self):
if self.parser is None:
self.parser = OptionParser(self.long_descr.splitlines()[1])
def reset_parser(self):
self.parser = None
self._create_parser()
def setup_options_parser(self, package_options):
self._create_parser()
try:
oo = copy.deepcopy(self.opts)
for o in oo:
self.parser.add_option(o)
except getopt.GetoptError, e:
raise UsageException("%s: error: %s for help subcommand" % (SCRIPT_NAME, e))
def _create_parser(self):
if self.parser is None:
self.parser = OptionParser(self.long_descr.splitlines()[1])
