""" 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: 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, usedouble = False): """ 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 = sorted(glob.glob(os.path.join('src', '**.c'))) aubio_sources += sorted(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_STDARG_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', 'jack', 'sndfile', #'fftw3f', ] # samplerate only works with float if usedouble == 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 \ 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) 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: extension.define_macros += [('HAVE_AUBIO_DOUBLE', 1)] if os.path.isfile('src/aubio.h'): # if aubio headers are found in this directory add_local_aubio_header(extension) # was waf used to build the shared lib? if os.path.isdir(os.path.join('build','src')): # link against build/src/libaubio, built with waf add_local_aubio_lib(extension) else: # add libaubio sources and look for optional deps with pkg-config add_local_aubio_sources(extension, usedouble=self.enable_double) else: # look for aubio headers and lib using pkg-config add_system_aubio(extension) # generate files python/gen/*.c, python/gen/aubio-generated.h extension.sources += generate_external(header, output_path, overwrite = False, usedouble=self.enable_double) return _build_ext.build_extension(self, extension)