""" 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 from this_version import get_aubio_version # 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: print("checking for {:s}".format(package)) 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 """ 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("Info: libaubio was not installed or built locally with waf, adding src/") aubio_sources = sorted(glob.glob(os.path.join('src', '**.c'))) aubio_sources += sorted(glob.glob(os.path.join('src', '*', '**.c'))) ext.sources += aubio_sources def add_local_macros(ext, usedouble = False): if usedouble: ext.define_macros += [('HAVE_AUBIO_DOUBLE', 1)] # 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_ERRNO_H', 'HAVE_C99_VARARGS_MACROS', 'HAVE_LIMITS_H', 'HAVE_STDARG_H', 'HAVE_MEMCPY_HACKS']: ext.define_macros += [(define_macro, 1)] def add_external_deps(ext, usedouble = False): # loof for additional packages print("Info: looking for *optional* additional packages") packages = ['libavcodec', 'libavformat', 'libavutil', 'libswresample', 'libavresample', 'sndfile', 'hdf5', #'fftw3f', ] # samplerate only works with float if usedouble is False: packages += ['samplerate'] else: print("Info: not adding libsamplerate in double precision mode") add_packages(packages, ext=ext) if 'avcodec' in ext.libraries \ and 'avformat' in ext.libraries \ and 'avutil' in ext.libraries: if 'swresample' in ext.libraries: ext.define_macros += [('HAVE_SWRESAMPLE', 1)] elif 'avresample' in ext.libraries: ext.define_macros += [('HAVE_AVRESAMPLE', 1)] if 'swresample' in ext.libraries or 'avresample' in ext.libraries: ext.define_macros += [('HAVE_LIBAV', 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)] if 'hdf5' in ext.libraries: ext.libraries += ['hdf5_hl'] ext.define_macros += [('HAVE_HDF5', 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 aubio_version = get_aubio_version() add_packages(['aubio = ' + aubio_version], ext) if 'aubio' not in ext.libraries: print("Info: aubio " + aubio_version + " was not found by pkg-config") else: print("Info: using system aubio " + aubio_version + " found in " + ' '.join(ext.library_dirs)) def add_libav_on_win(ext): """ no pkg-config on windows, simply assume these libs are available """ ext.libraries += ['avformat', 'avutil', 'avcodec', 'swresample'] for define_macro in ['HAVE_LIBAV', 'HAVE_SWRESAMPLE']: ext.define_macros += [(define_macro, 1)] class CleanGenerated(distutils.command.clean.clean): def run(self): if os.path.isdir(output_path): distutils.dir_util.remove_tree(output_path) from distutils.command.build_ext import build_ext as _build_ext class build_ext(_build_ext): user_options = _build_ext.user_options + [ # The format is (long option, short option, description). ('enable-double', None, 'use HAVE_AUBIO_DOUBLE=1 (default: 0)'), ] def initialize_options(self): _build_ext.initialize_options(self) self.enable_double = False def finalize_options(self): _build_ext.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 build_extension(self, extension): if self.enable_double or 'HAVE_AUBIO_DOUBLE' in os.environ: enable_double = True else: enable_double = False # seack for aubio headers and lib in PKG_CONFIG_PATH add_system_aubio(extension) # the lib was not installed on this system if 'aubio' not in extension.libraries: # use local src/aubio.h if os.path.isfile(os.path.join('src', 'aubio.h')): add_local_aubio_header(extension) add_local_macros(extension, usedouble=enable_double) # look for a local waf build if os.path.isfile(os.path.join('build','src', 'fvec.c.1.o')): add_local_aubio_lib(extension) else: # check for external dependencies add_external_deps(extension, usedouble=enable_double) # force adding libav on windows if os.name == 'nt' and ('WITH_LIBAV' in os.environ \ or 'CONDA_PREFIX' in os.environ): add_libav_on_win(extension) # add libaubio sources and look for optional deps with pkg-config add_local_aubio_sources(extension) # generate files python/gen/*.c, python/gen/aubio-generated.h extension.include_dirs += [ output_path ] extension.sources += generate_external(header, output_path, overwrite = False, usedouble=enable_double) return _build_ext.build_extension(self, extension)