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""" 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):
""" 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)
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