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#
# Copyright 2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio 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 3, or (at your option)
# any later version.
#
# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
""" The help module """
from gnuradio.modtool import *
from util_functions import get_command_from_argv
from templates import Templates
def print_class_descriptions():
''' Go through all ModTool* classes and print their name,
alias and description. '''
desclist = []
for gvar in globals().values():
try:
if issubclass(gvar, ModTool) and not issubclass(gvar, ModToolHelp):
desclist.append((gvar.name, ','.join(gvar.aliases), gvar.__doc__))
except (TypeError, AttributeError):
pass
print 'Name Aliases Description'
print '====================================================================='
for description in desclist:
print '%-8s %-12s %s' % description
class ModToolHelp(ModTool):
''' Show some help. '''
name = 'help'
aliases = ('h', '?')
def __init__(self):
ModTool.__init__(self)
def setup(self):
pass
def run(self):
cmd_dict = get_class_dict(globals().values())
cmds = cmd_dict.keys()
cmds.remove(self.name)
for a in self.aliases:
cmds.remove(a)
help_requested_for = get_command_from_argv(cmds)
if help_requested_for is None:
print 'Usage:' + Templates['usage']
print '\nList of possible commands:\n'
print_class_descriptions()
return
cmd_dict[help_requested_for]().setup_parser().print_help()
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