utils: added modtool

1 files changed, 139 insertions, 0 deletions

diff --git a/gr-utils/src/python/modtool/modtool_base.py b/gr-utils/src/python/modtool/modtool_base.py
new file mode 100644
index 000000000..edb0f14ee
--- /dev/null
+++ b/gr-utils/src/python/modtool/modtool_base.py
@@ -0,0 +1,139 @@
+""" 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
+
+### ModTool base class #######################################################
+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(usage=Templates['usage'], add_help_option=False)
+        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.")
+        ogroup.add_option("-n", "--module-name", type="string", default=None,
+                help="Name of the GNU Radio module. If possible, this gets detected from CMakeLists.txt.")
+        ogroup.add_option("-N", "--block-name", type="string", default=None,
+                help="Name of the block, minus the module name prefix.")
+        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.")
+        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)
+        print "Operating in directory " + self._dir
+        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()
+
+    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
+