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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.
#
""" Base class for the modules """
import os
import re
import sys
from optparse import OptionParser, OptionGroup
from util_functions import get_modname
from templates import Templates
class ModTool(object):
""" Base class for all modtool command classes. """
def __init__(self):
self._subdirs = ['lib', 'include', 'python', 'swig', 'grc'] # List subdirs where stuff happens
self._has_subdirs = {}
self._skip_subdirs = {}
self._info = {}
self._file = {}
for subdir in self._subdirs:
self._has_subdirs[subdir] = False
self._skip_subdirs[subdir] = False
self.parser = self.setup_parser()
self.args = None
self.options = None
self._dir = None
def setup_parser(self):
""" Init the option parser. If derived classes need to add options,
override this and call the parent function. """
parser = OptionParser(add_help_option=False)
parser.usage = '%prog ' + self.name + ' [options] <PATTERN> \n' + \
' Call "%prog ' + self.name + '" without any options to run it interactively.'
ogroup = OptionGroup(parser, "General options")
ogroup.add_option("-h", "--help", action="help", help="Displays this help message.")
ogroup.add_option("-d", "--directory", type="string", default=".",
help="Base directory of the module. Defaults to the cwd.")
ogroup.add_option("-n", "--module-name", type="string", default=None,
help="Use this to override the current module's name (is normally autodetected).")
ogroup.add_option("-N", "--block-name", type="string", default=None,
help="Name of the block, where applicable.")
ogroup.add_option("--skip-lib", action="store_true", default=False,
help="Don't do anything in the lib/ subdirectory.")
ogroup.add_option("--skip-swig", action="store_true", default=False,
help="Don't do anything in the swig/ subdirectory.")
ogroup.add_option("--skip-python", action="store_true", default=False,
help="Don't do anything in the python/ subdirectory.")
ogroup.add_option("--skip-grc", action="store_true", default=False,
help="Don't do anything in the grc/ subdirectory.")
ogroup.add_option("-y", "--yes", action="store_true", default=False,
help="Answer all questions with 'yes'. This can overwrite and delete your files, so be careful.")
parser.add_option_group(ogroup)
return parser
def setup(self):
""" Initialise all internal variables, such as the module name etc. """
(options, self.args) = self.parser.parse_args()
self._dir = options.directory
if not self._check_directory(self._dir):
print "No GNU Radio module found in the given directory. Quitting."
sys.exit(1)
if options.module_name is not None:
self._info['modname'] = options.module_name
else:
self._info['modname'] = get_modname()
if self._info['modname'] is None:
print "No GNU Radio module found in the given directory. Quitting."
sys.exit(1)
print "GNU Radio module name identified: " + self._info['modname']
if self._info['version'] == '36' and os.path.isdir(os.path.join('include', self._info['modname'])):
self._info['version'] = '37'
if options.skip_lib or not self._has_subdirs['lib']:
self._skip_subdirs['lib'] = True
if options.skip_python or not self._has_subdirs['python']:
self._skip_subdirs['python'] = True
if options.skip_swig or self._get_mainswigfile() is None or not self._has_subdirs['swig']:
self._skip_subdirs['swig'] = True
if options.skip_grc or not self._has_subdirs['grc']:
self._skip_subdirs['grc'] = True
self._info['blockname'] = options.block_name
self.options = options
self._setup_files()
self._info['yes'] = options.yes
def _setup_files(self):
""" Initialise the self._file[] dictionary """
if not self._skip_subdirs['swig']:
self._file['swig'] = os.path.join('swig', self._get_mainswigfile())
self._file['qalib'] = os.path.join('lib', 'qa_%s.cc' % self._info['modname'])
self._file['pyinit'] = os.path.join('python', '__init__.py')
self._file['cmlib'] = os.path.join('lib', 'CMakeLists.txt')
self._file['cmgrc'] = os.path.join('grc', 'CMakeLists.txt')
self._file['cmpython'] = os.path.join('python', 'CMakeLists.txt')
if self._info['version'] in ('37', 'component'):
self._info['includedir'] = os.path.join('include', self._info['modname'])
else:
self._info['includedir'] = 'include'
self._file['cminclude'] = os.path.join(self._info['includedir'], 'CMakeLists.txt')
self._file['cmswig'] = os.path.join('swig', 'CMakeLists.txt')
def _check_directory(self, directory):
""" Guesses if dir is a valid GNU Radio module directory by looking for
CMakeLists.txt and at least one of the subdirs lib/, python/ and swig/.
Changes the directory, if valid. """
has_makefile = False
try:
files = os.listdir(directory)
os.chdir(directory)
except OSError:
print "Can't read or chdir to directory %s." % directory
return False
for f in files:
if os.path.isfile(f) and f == 'CMakeLists.txt':
if re.search('find_package\(GnuradioCore\)', open(f).read()) is not None:
self._info['version'] = '36' # Might be 37, check that later
has_makefile = True
elif re.search('GR_REGISTER_COMPONENT', open(f).read()) is not None:
self._info['version'] = '36' # Might be 37, check that later
self._info['is_component'] = True
has_makefile = True
# TODO search for autofoo
elif os.path.isdir(f):
if (f in self._has_subdirs.keys()):
self._has_subdirs[f] = True
else:
self._skip_subdirs[f] = True
return bool(has_makefile and (self._has_subdirs.values()))
def _get_mainswigfile(self):
""" Find out which name the main SWIG file has. In particular, is it
a MODNAME.i or a MODNAME_swig.i? Returns None if none is found. """
modname = self._info['modname']
swig_files = (modname + '.i',
modname + '_swig.i')
for fname in swig_files:
if os.path.isfile(os.path.join(self._dir, 'swig', fname)):
return fname
return None
def run(self):
""" Override this. """
pass
def get_class_dict(the_globals):
" Return a dictionary of the available commands in the form command->class "
classdict = {}
for g in the_globals:
try:
if issubclass(g, ModTool):
classdict[g.name] = g
for a in g.aliases:
classdict[a] = g
except (TypeError, AttributeError):
pass
return classdict
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