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# Copyright (C) 2006-2009 Aaron Bentley and Panometrics, Inc.
# Gianluca Montecchi <gian@grys.it>
# Thomas Gerigk <tgerigk@gmx.de>
# W. Trevor King <wking@drexel.edu>
#
# 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""Print help for given subcommand"""
from libbe import cmdutil, utility
__desc__ = __doc__
def execute(args, manipulate_encodings=False):
"""
Print help of specified command (the manipulate_encodings argument
is ignored).
>>> execute(["help"])
Usage: be help [COMMAND]
<BLANKLINE>
Options:
-h, --help Print a help message
--complete Print a list of available completions
<BLANKLINE>
Print help for specified command or list of all commands.
<BLANKLINE>
"""
parser = get_parser()
options, args = parser.parse_args(args)
complete(options, args, parser)
if len(args) > 1:
raise cmdutil.UsageError("Too many arguments.")
if len(args) == 0:
print cmdutil.help()
else:
try:
print cmdutil.help(args[0])
except AttributeError:
print "No help available"
def get_parser():
parser = cmdutil.CmdOptionParser("be help [COMMAND]")
return parser
longhelp="""
Print help for specified command or list of all commands.
"""
def help():
return get_parser().help_str() + longhelp
def complete(options, args, parser):
for option, value in cmdutil.option_value_pairs(options, parser):
if value == "--complete":
# no argument-options at the moment, so this is future-proofing
raise cmdutil.GetCompletions()
if "--complete" in args:
cmds = [command for command,module in cmdutil.iter_commands()]
raise cmdutil.GetCompletions(cmds)
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