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""" Module to add new blocks """
import os
import sys
import re
from optparse import OptionGroup
from util_functions import append_re_line_sequence, ask_yes_no
from cmakefile_editor import CMakeFileEditor
from modtool_base import ModTool
from templates import Templates
from code_generator import get_template
import Cheetah.Template
### Add new block module #####################################################
class ModToolAdd(ModTool):
""" Add block to the out-of-tree module. """
name = 'add'
aliases = ('insert',)
_block_types = ('sink', 'source', 'sync', 'decimator', 'interpolator',
'general', 'hier', 'noblock')
def __init__(self):
ModTool.__init__(self)
self._add_cc_qa = False
self._add_py_qa = False
def setup_parser(self):
parser = ModTool.setup_parser(self)
parser.usage = '%prog add [options]. \n Call %prog without any options to run it interactively.'
ogroup = OptionGroup(parser, "Add module options")
ogroup.add_option("-t", "--block-type", type="choice",
choices=self._block_types, default=None, help="One of %s." % ', '.join(self._block_types))
ogroup.add_option("--license-file", type="string", default=None,
help="File containing the license header for every source code file.")
ogroup.add_option("--argument-list", type="string", default=None,
help="The argument list for the constructor and make functions.")
ogroup.add_option("--add-python-qa", action="store_true", default=None,
help="If given, Python QA code is automatically added if possible.")
ogroup.add_option("--add-cpp-qa", action="store_true", default=None,
help="If given, C++ QA code is automatically added if possible.")
ogroup.add_option("--skip-cmakefiles", action="store_true", default=False,
help="If given, only source files are written, but CMakeLists.txt files are left unchanged.")
ogroup.add_option("-l", "--lang", type="choice", choices=('cpp', 'c++', 'python'),
default='cpp', help="Language (cpp or python)")
parser.add_option_group(ogroup)
return parser
def setup(self):
ModTool.setup(self)
options = self.options
self._info['blocktype'] = options.block_type
if self._info['blocktype'] is None:
while self._info['blocktype'] not in self._block_types:
self._info['blocktype'] = raw_input("Enter code type: ")
if self._info['blocktype'] not in self._block_types:
print 'Must be one of ' + str(self._block_types)
self._info['lang'] = options.lang
if self._info['lang'] == 'c++':
self._info['lang'] = 'cpp'
print "Language: %s" % {'cpp': 'C++', 'python': 'Python'}[self._info['lang']]
if ((self._skip_subdirs['lib'] and self._info['lang'] == 'cpp')
or (self._skip_subdirs['python'] and self._info['lang'] == 'python')):
print "Missing or skipping relevant subdir."
sys.exit(1)
if self._info['blockname'] is None:
if len(self.args) >= 2:
self._info['blockname'] = self.args[1]
else:
self._info['blockname'] = raw_input("Enter name of block/code (without module name prefix): ")
if not re.match('[a-zA-Z0-9_]+', self._info['blockname']):
print 'Invalid block name.'
sys.exit(2)
print "Block/code identifier: " + self._info['blockname']
self._info['fullblockname'] = self._info['modname'] + '_' + self._info['blockname']
self._info['license'] = self.setup_choose_license()
if options.argument_list is not None:
self._info['arglist'] = options.argument_list
else:
self._info['arglist'] = raw_input('Enter valid argument list, including default arguments: ')
if not (self._info['blocktype'] in ('noblock') or self._skip_subdirs['python']):
self._add_py_qa = options.add_python_qa
if self._add_py_qa is None:
self._add_py_qa = ask_yes_no('Add Python QA code?', True)
if self._info['lang'] == 'cpp':
self._add_cc_qa = options.add_cpp_qa
if self._add_cc_qa is None:
self._add_cc_qa = ask_yes_no('Add C++ QA code?', not self._add_py_qa)
if self._info['version'] == 'autofoo' and not self.options.skip_cmakefiles:
print "Warning: Autotools modules are not supported. ",
print "Files will be created, but Makefiles will not be edited."
self.options.skip_cmakefiles = True
def setup_choose_license(self):
""" Select a license by the following rules, in this order:
1) The contents of the file given by --license-file
2) The contents of the file LICENSE or LICENCE in the modules
top directory
3) The default license. """
if self.options.license_file is not None \
and os.path.isfile(self.options.license_file):
return open(self.options.license_file).read()
elif os.path.isfile('LICENSE'):
return open('LICENSE').read()
elif os.path.isfile('LICENCE'):
return open('LICENCE').read()
else:
return Templates['defaultlicense']
def _write_tpl(self, tpl, path, fname):
""" Shorthand for writing a substituted template to a file"""
print "Adding file '%s'..." % fname
open(os.path.join(path, fname), 'w').write(get_template(tpl, **self._info))
def run(self):
""" Go, go, go. """
has_swig = (
self._info['lang'] == 'cpp'
and not self._skip_subdirs['swig']
)
has_grc = False
if self._info['lang'] == 'cpp':
print "Traversing lib..."
self._run_lib()
has_grc = has_swig
else: # Python
print "Traversing python..."
self._run_python()
if self._info['blocktype'] != 'noblock':
has_grc = True
if has_swig:
print "Traversing swig..."
self._run_swig()
if self._add_py_qa:
print "Adding Python QA..."
self._run_python_qa()
if has_grc and not self._skip_subdirs['grc']:
print "Traversing grc..."
self._run_grc()
def _run_lib(self):
""" Do everything that needs doing in the subdir 'lib' and 'include'.
- add .cc and .h files
- include them into CMakeLists.txt
- check if C++ QA code is req'd
- if yes, create qa_*.{cc,h} and add them to CMakeLists.txt
"""
def _add_qa():
" Add C++ QA files for 3.7 API "
fname_qa_h = 'qa_%s.h' % self._info['blockname']
fname_qa_cc = 'qa_%s.cc' % self._info['blockname']
self._write_tpl('qa_cpp', 'lib', fname_qa_cc)
self._write_tpl('qa_h', 'lib', fname_qa_h)
if not self.options.skip_cmakefiles:
try:
append_re_line_sequence(self._file['cmlib'],
'\$\{CMAKE_CURRENT_SOURCE_DIR\}/qa_%s.cc.*\n' % self._info['modname'],
' ${CMAKE_CURRENT_SOURCE_DIR}/qa_%s.cc' % self._info['blockname'])
append_re_line_sequence(self._file['qalib'],
'#include.*\n',
'#include "%s"' % fname_qa_h)
append_re_line_sequence(self._file['qalib'],
'(addTest.*suite.*\n|new CppUnit.*TestSuite.*\n)',
' s->addTest(gr::%s::qa_%s::suite());' % (self._info['modname'],
self._info['blockname'])
)
except IOError:
print "Can't add C++ QA files."
def _add_qa36():
" Add C++ QA files for pre-3.7 API (not autotools) "
fname_qa_cc = 'qa_%s.cc' % self._info['fullblockname']
self._write_tpl('qa_cpp36', 'lib', fname_qa_cc)
if not self.options.skip_cmakefiles:
open(self._file['cmlib'], 'a').write(
str(
Cheetah.Template.Template(
Templates['qa_cmakeentry36'],
searchList={'basename': os.path.splitext(fname_qa_cc)[0],
'filename': fname_qa_cc,
'modname': self._info['modname']
}
)
)
)
ed = CMakeFileEditor(self._file['cmlib'])
ed.remove_double_newlines()
ed.write()
fname_cc = None
fname_h = None
if self._info['version'] == '37':
fname_h = self._info['blockname'] + '.h'
fname_cc = self._info['blockname'] + '.cc'
if self._info['blocktype'] in ('source', 'sink', 'sync', 'decimator',
'interpolator', 'general', 'hier'):
fname_cc = self._info['blockname'] + '_impl.cc'
self._write_tpl('block_impl_h', 'lib', self._info['blockname'] + '_impl.h')
self._write_tpl('block_impl_cpp', 'lib', fname_cc)
self._write_tpl('block_def_h', self._info['includedir'], fname_h)
else: # Pre-3.7 or autotools
fname_h = self._info['fullblockname'] + '.h'
fname_cc = self._info['fullblockname'] + '.cc'
self._write_tpl('block_h36', self._info['includedir'], fname_h)
self._write_tpl('block_cpp36', 'lib', fname_cc)
if not self.options.skip_cmakefiles:
ed = CMakeFileEditor(self._file['cmlib'])
ed.append_value('add_library', fname_cc)
ed.write()
ed = CMakeFileEditor(self._file['cminclude'])
ed.append_value('install', fname_h, 'DESTINATION[^()]+')
ed.write()
if self._add_cc_qa:
if self._info['version'] == '37':
_add_qa()
elif self._info['version'] == '36':
_add_qa36()
elif self._info['version'] == 'autofoo':
print "Warning: C++ QA files not supported for autotools."
def _run_swig(self):
""" Do everything that needs doing in the subdir 'swig'.
- Edit main *.i file
"""
if self._get_mainswigfile() is None:
print 'Warning: No main swig file found.'
return
print "Editing %s..." % self._file['swig']
mod_block_sep = '/'
if self._info['version'] == '36':
mod_block_sep = '_'
swig_block_magic_str = get_template('swig_block_magic', **self._info)
include_str = '#include "%s%s%s.h"' % (
self._info['modname'],
mod_block_sep,
self._info['blockname'])
if re.search('#include', open(self._file['swig'], 'r').read()):
append_re_line_sequence(self._file['swig'], '^#include.*\n', include_str)
else: # I.e., if the swig file is empty
oldfile = open(self._file['swig'], 'r').read()
regexp = re.compile('^%\{\n', re.MULTILINE)
oldfile = regexp.sub('%%{\n%s\n' % include_str, oldfile, count=1)
open(self._file['swig'], 'w').write(oldfile)
open(self._file['swig'], 'a').write(swig_block_magic_str)
def _run_python_qa(self):
""" Do everything that needs doing in the subdir 'python' to add
QA code.
- add .py files
- include in CMakeLists.txt
"""
fname_py_qa = 'qa_' + self._info['blockname'] + '.py'
self._write_tpl('qa_python', 'python', fname_py_qa)
os.chmod(os.path.join('python', fname_py_qa), 0755)
if self.options.skip_cmakefiles or CMakeFileEditor(self._file['cmpython']).check_for_glob('qa_*.py'):
return
print "Editing python/CMakeLists.txt..."
open(self._file['cmpython'], 'a').write(
'GR_ADD_TEST(qa_%s ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/%s)\n' % \
(self._info['blockname'], fname_py_qa))
def _run_python(self):
""" Do everything that needs doing in the subdir 'python' to add
a Python block.
- add .py file
- include in CMakeLists.txt
- include in __init__.py
"""
fname_py = self._info['blockname'] + '.py'
self._write_tpl('block_python', 'python', fname_py)
append_re_line_sequence(self._file['pyinit'],
'(^from.*import.*\n|# import any pure.*\n)',
'from %s import %s' % (self._info['blockname'], self._info['blockname']))
if self.options.skip_cmakefiles:
return
ed = CMakeFileEditor(self._file['cmpython'])
ed.append_value('GR_PYTHON_INSTALL', fname_py, 'DESTINATION[^()]+')
ed.write()
def _run_grc(self):
""" Do everything that needs doing in the subdir 'grc' to add
a GRC bindings XML file.
- add .xml file
- include in CMakeLists.txt
"""
fname_grc = self._info['fullblockname'] + '.xml'
self._write_tpl('grc_xml', 'grc', fname_grc)
ed = CMakeFileEditor(self._file['cmgrc'], '\n ')
if self.options.skip_cmakefiles or ed.check_for_glob('*.xml'):
return
print "Editing grc/CMakeLists.txt..."
ed.append_value('install', fname_grc, 'DESTINATION[^()]+')
ed.write()
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