""" A collection of function used from setup.py distutils script """ # import sys, os, glob, subprocess import distutils, distutils.command.clean, distutils.dir_util from .gen_external import generate_external, header, output_path # inspired from https://gist.github.com/abergmeier/9488990 def 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: try: cmd = ['pkg-config', '--libs', '--cflags', package] tokens = subprocess.check_output(cmd) except subprocess.CalledProcessError: print("{:s} could not be found".format(package)) 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 """ 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_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_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)