1 """ A collection of function used from setup.py distutils script """
3 import sys, os, glob, subprocess
4 import distutils, distutils.command.clean, distutils.dir_util
5 from .gen_external import generate_external, header, output_path
7 # inspired from https://gist.github.com/abergmeier/9488990
8 def add_packages(packages, ext=None, **kw):
9 """ use pkg-config to search which of 'packages' are installed """
15 # if a setuptools extension is passed, fill it with pkg-config results
17 kw = {'include_dirs': ext.include_dirs,
18 'extra_link_args': ext.extra_link_args,
19 'library_dirs': ext.library_dirs,
20 'libraries': ext.libraries,
23 for package in packages:
24 cmd = ['pkg-config', '--libs', '--cflags', package]
26 tokens = subprocess.check_output(cmd)
27 except Exception as e:
28 print("Running \"{:s}\" failed: {:s}".format(' '.join(cmd), repr(e)))
30 tokens = tokens.decode('utf8').split()
37 arg = 'extra_link_args'
39 kw.setdefault(arg, []).append(value)
40 for key, value in iter(kw.items()): # remove duplicated
41 kw[key] = list(set(value))
44 def add_local_aubio_header(ext):
45 """ use local "src/aubio.h", not <aubio/aubio.h>"""
46 ext.define_macros += [('USE_LOCAL_AUBIO', 1)]
47 ext.include_dirs += ['src'] # aubio.h
49 def add_local_aubio_lib(ext):
50 """ add locally built libaubio from build/src """
51 print("Info: using locally built libaubio")
52 ext.library_dirs += [os.path.join('build', 'src')]
53 ext.libraries += ['aubio']
55 def add_local_aubio_sources(ext, usedouble = False):
56 """ build aubio inside python module instead of linking against libaubio """
57 print("Warning: libaubio was not built with waf, adding src/")
58 # create an empty header, macros will be passed on the command line
59 fake_config_header = os.path.join('python', 'ext', 'config.h')
60 distutils.file_util.write_file(fake_config_header, "")
61 aubio_sources = glob.glob(os.path.join('src', '**.c'))
62 aubio_sources += glob.glob(os.path.join('src', '*', '**.c'))
63 ext.sources += aubio_sources
64 # define macros (waf puts them in build/src/config.h)
65 for define_macro in ['HAVE_STDLIB_H', 'HAVE_STDIO_H',
66 'HAVE_MATH_H', 'HAVE_STRING_H',
67 'HAVE_C99_VARARGS_MACROS',
68 'HAVE_LIMITS_H', 'HAVE_STDARG_H',
70 ext.define_macros += [(define_macro, 1)]
72 # loof for additional packages
73 print("Info: looking for *optional* additional packages")
74 packages = ['libavcodec', 'libavformat', 'libavutil', 'libavresample',
80 # samplerate only works with float
81 if usedouble == False:
82 packages += ['samplerate']
84 print("Info: not adding libsamplerate in double precision mode")
85 add_packages(packages, ext=ext)
86 if 'avcodec' in ext.libraries \
87 and 'avformat' in ext.libraries \
88 and 'avutil' in ext.libraries \
89 and 'avresample' in ext.libraries:
90 ext.define_macros += [('HAVE_LIBAV', 1)]
91 if 'jack' in ext.libraries:
92 ext.define_macros += [('HAVE_JACK', 1)]
93 if 'sndfile' in ext.libraries:
94 ext.define_macros += [('HAVE_SNDFILE', 1)]
95 if 'samplerate' in ext.libraries:
96 ext.define_macros += [('HAVE_SAMPLERATE', 1)]
97 if 'fftw3f' in ext.libraries:
98 ext.define_macros += [('HAVE_FFTW3F', 1)]
99 ext.define_macros += [('HAVE_FFTW3', 1)]
101 # add accelerate on darwin
102 if sys.platform.startswith('darwin'):
103 ext.extra_link_args += ['-framework', 'Accelerate']
104 ext.define_macros += [('HAVE_ACCELERATE', 1)]
105 ext.define_macros += [('HAVE_SOURCE_APPLE_AUDIO', 1)]
106 ext.define_macros += [('HAVE_SINK_APPLE_AUDIO', 1)]
108 if sys.platform.startswith('win'):
109 ext.define_macros += [('HAVE_WIN_HACKS', 1)]
111 ext.define_macros += [('HAVE_WAVWRITE', 1)]
112 ext.define_macros += [('HAVE_WAVREAD', 1)]
116 ext.libraries += ['cblas']
117 ext.define_macros += [('HAVE_ATLAS_CBLAS_H', 1)]
119 def add_system_aubio(ext):
120 # use pkg-config to find aubio's location
121 add_packages(['aubio'], ext)
122 if 'aubio' not in ext.libraries:
123 print("Error: libaubio not found")
125 class CleanGenerated(distutils.command.clean.clean):
127 distutils.dir_util.remove_tree(output_path)
128 distutils.command.clean.clean.run(self)
130 class GenerateCommand(distutils.cmd.Command):
131 description = 'generate gen/gen-*.c files from ../src/aubio.h'
133 # The format is (long option, short option, description).
134 ('enable-double', None, 'use HAVE_AUBIO_DOUBLE=1 (default: 0)'),
137 def initialize_options(self):
138 self.enable_double = False
140 def finalize_options(self):
141 if self.enable_double:
143 'will generate code for aubio compiled with HAVE_AUBIO_DOUBLE=1',
144 level=distutils.log.INFO)
147 self.announce( 'Generating code', level=distutils.log.INFO)
148 generated_object_files = generate_external(header, output_path, usedouble=self.enable_double)