""" A collection of function used from setup.py distutils script """#import sys, os, glob, subprocessimport distutils, distutils.command.clean, distutils.dir_utilfrom .gen_external import generate_external, header, output_path # inspired from https://gist.github.com/abergmeier/9488990def add_packages(packages, ext=None, **kw):    """ use pkg-config to search which of 'packages' are installed """    flag_map = {        '-I': 'include_dirs',        '-L': 'library_dirs',        '-l': 'libraries'}     # if a setuptools extension is passed, fill it with pkg-config results    if ext:        kw = {'include_dirs': ext.include_dirs,              'extra_link_args': ext.extra_link_args,              'library_dirs': ext.library_dirs,              'libraries': ext.libraries,             }     for package in packages:        cmd = ['pkg-config', '--libs', '--cflags', package]        try:            tokens = subprocess.check_output(cmd)        except Exception as e:            print("Running \"{:s}\" failed: {:s}".format(' '.join(cmd), repr(e)))            continue        tokens = tokens.decode('utf8').split()        for token in tokens:            key = token[:2]            try:                arg = flag_map[key]                value = token[2:]            except KeyError:                arg = 'extra_link_args'                value = token            kw.setdefault(arg, []).append(value)    for key, value in iter(kw.items()): # remove duplicated        kw[key] = list(set(value))    return kw def add_local_aubio_header(ext):    """ use local "src/aubio.h", not <aubio/aubio.h>"""    ext.define_macros += [('USE_LOCAL_AUBIO', 1)]    ext.include_dirs += ['src'] # aubio.h def add_local_aubio_lib(ext):    """ add locally built libaubio from build/src """    print("Info: using locally built libaubio")    ext.library_dirs += [os.path.join('build', 'src')]    ext.libraries += ['aubio'] def add_local_aubio_sources(ext):    """ build aubio inside python module instead of linking against libaubio """    print("Warning: libaubio was not built with waf, adding src/")    # create an empty header, macros will be passed on the command line    fake_config_header = os.path.join('python', 'ext', 'config.h')    distutils.file_util.write_file(fake_config_header, "")    aubio_sources = glob.glob(os.path.join('src', '**.c'))    aubio_sources += glob.glob(os.path.join('src', '*', '**.c'))    ext.sources += aubio_sources    # define macros (waf puts them in build/src/config.h)    for define_macro in ['HAVE_STDLIB_H', 'HAVE_STDIO_H',                         'HAVE_MATH_H', 'HAVE_STRING_H',                         'HAVE_C99_VARARGS_MACROS',                         'HAVE_LIMITS_H', 'HAVE_MEMCPY_HACKS']:        ext.define_macros += [(define_macro, 1)]     # loof for additional packages    print("Info: looking for *optional* additional packages")    packages = ['libavcodec', 'libavformat', 'libavutil', 'libavresample',                'jack',                'sndfile', 'samplerate',                #'fftw3f',               ]    add_packages(packages, ext=ext)    if 'avcodec' in ext.libraries \            and 'avformat' in ext.libraries \            and 'avutil' in ext.libraries \            and 'avresample' in ext.libraries:        ext.define_macros += [('HAVE_LIBAV', 1)]    if 'jack' in ext.libraries:        ext.define_macros += [('HAVE_JACK', 1)]    if 'sndfile' in ext.libraries:        ext.define_macros += [('HAVE_SNDFILE', 1)]    if 'samplerate' in ext.libraries:        ext.define_macros += [('HAVE_SAMPLERATE', 1)]    if 'fftw3f' in ext.libraries:        ext.define_macros += [('HAVE_FFTW3F', 1)]        ext.define_macros += [('HAVE_FFTW3', 1)]     # add accelerate on darwin    if sys.platform.startswith('darwin'):        ext.extra_link_args += ['-framework', 'Accelerate']        ext.define_macros += [('HAVE_ACCELERATE', 1)]        ext.define_macros += [('HAVE_SOURCE_APPLE_AUDIO', 1)]        ext.define_macros += [('HAVE_SINK_APPLE_AUDIO', 1)]     if sys.platform.startswith('win'):        ext.define_macros += [('HAVE_WIN_HACKS', 1)]     ext.define_macros += [('HAVE_WAVWRITE', 1)]    ext.define_macros += [('HAVE_WAVREAD', 1)]    # TODO:    # add cblas    if 0:        ext.libraries += ['cblas']        ext.define_macros += [('HAVE_ATLAS_CBLAS_H', 1)] def add_system_aubio(ext):    # use pkg-config to find aubio's location    add_packages(['aubio'], ext)    if 'aubio' not in ext.libraries:        print("Error: libaubio not found") class CleanGenerated(distutils.command.clean.clean):    def run(self):        distutils.dir_util.remove_tree(output_path)        distutils.command.clean.clean.run(self) class GenerateCommand(distutils.cmd.Command):    description = 'generate gen/gen-*.c files from ../src/aubio.h'    user_options = [            # The format is (long option, short option, description).            ('enable-double', None, 'use HAVE_AUBIO_DOUBLE=1 (default: 0)'),            ]     def initialize_options(self):        self.enable_double = False     def finalize_options(self):        if self.enable_double:            self.announce(                    'will generate code for aubio compiled with HAVE_AUBIO_DOUBLE=1',                    level=distutils.log.INFO)     def run(self):        self.announce( 'Generating code', level=distutils.log.INFO)        generated_object_files = generate_external(header, output_path, usedouble=self.enable_double)