+""" 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 <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, 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('gen')
+ 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 = [
+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 run(self):
- self.announce( 'Generating code', level=distutils.log.INFO)
- from .gen_external import generate_external
- generated_object_files = generate_external('gen', usedouble = self.enable_double)
+ 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)