source: python/lib/moresetuptools.py @ 0c3baa73

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5sampleryinfft+
Last change on this file since 0c3baa73 was 671eae1, checked in by Paul Brossier <piem@piem.org>, 8 years ago

python/lib/moresetuptools.py: mo nore fake config.h here
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1""" A collection of function used from setup.py distutils script """
2#
3import sys, os, glob, subprocess
4import distutils, distutils.command.clean, distutils.dir_util
5from .gen_external import generate_external, header, output_path
6
7# inspired from https://gist.github.com/abergmeier/9488990
8def add_packages(packages, ext=None, **kw):
9    """ use pkg-config to search which of 'packages' are installed """
10    flag_map = {
11        '-I': 'include_dirs',
12        '-L': 'library_dirs',
13        '-l': 'libraries'}
14
15    # if a setuptools extension is passed, fill it with pkg-config results
16    if ext:
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,
21             }
22
23    for package in packages:
24        print("checking for {:s}".format(package))
25        cmd = ['pkg-config', '--libs', '--cflags', package]
26        try:
27            tokens = subprocess.check_output(cmd)
28        except Exception as e:
29            print("Running \"{:s}\" failed: {:s}".format(' '.join(cmd), repr(e)))
30            continue
31        tokens = tokens.decode('utf8').split()
32        for token in tokens:
33            key = token[:2]
34            try:
35                arg = flag_map[key]
36                value = token[2:]
37            except KeyError:
38                arg = 'extra_link_args'
39                value = token
40            kw.setdefault(arg, []).append(value)
41    for key, value in iter(kw.items()): # remove duplicated
42        kw[key] = list(set(value))
43    return kw
44
45def add_local_aubio_header(ext):
46    """ use local "src/aubio.h", not <aubio/aubio.h>"""
47    ext.define_macros += [('USE_LOCAL_AUBIO', 1)]
48    ext.include_dirs += ['src'] # aubio.h
49
50def add_local_aubio_lib(ext):
51    """ add locally built libaubio from build/src """
52    print("Info: using locally built libaubio")
53    ext.library_dirs += [os.path.join('build', 'src')]
54    ext.libraries += ['aubio']
55
56def add_local_aubio_sources(ext, usedouble = False):
57    """ build aubio inside python module instead of linking against libaubio """
58    print("Info: libaubio was not installed or built locally with waf, adding src/")
59    aubio_sources = sorted(glob.glob(os.path.join('src', '**.c')))
60    aubio_sources += sorted(glob.glob(os.path.join('src', '*', '**.c')))
61    ext.sources += aubio_sources
62
63def add_local_macros(ext, usedouble = False):
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',
69                         'HAVE_MEMCPY_HACKS']:
70        ext.define_macros += [(define_macro, 1)]
71
72def add_external_deps(ext, usedouble = False):
73    # loof for additional packages
74    print("Info: looking for *optional* additional packages")
75    packages = ['libavcodec', 'libavformat', 'libavutil', 'libavresample',
76                'jack',
77                'jack',
78                'sndfile',
79                #'fftw3f',
80               ]
81    # samplerate only works with float
82    if usedouble == False:
83        packages += ['samplerate']
84    else:
85        print("Info: not adding libsamplerate in double precision mode")
86    add_packages(packages, ext=ext)
87    if 'avcodec' in ext.libraries \
88            and 'avformat' in ext.libraries \
89            and 'avutil' in ext.libraries \
90            and 'avresample' in ext.libraries:
91        ext.define_macros += [('HAVE_LIBAV', 1)]
92    if 'jack' in ext.libraries:
93        ext.define_macros += [('HAVE_JACK', 1)]
94    if 'sndfile' in ext.libraries:
95        ext.define_macros += [('HAVE_SNDFILE', 1)]
96    if 'samplerate' in ext.libraries:
97        ext.define_macros += [('HAVE_SAMPLERATE', 1)]
98    if 'fftw3f' in ext.libraries:
99        ext.define_macros += [('HAVE_FFTW3F', 1)]
100        ext.define_macros += [('HAVE_FFTW3', 1)]
101
102    # add accelerate on darwin
103    if sys.platform.startswith('darwin'):
104        ext.extra_link_args += ['-framework', 'Accelerate']
105        ext.define_macros += [('HAVE_ACCELERATE', 1)]
106        ext.define_macros += [('HAVE_SOURCE_APPLE_AUDIO', 1)]
107        ext.define_macros += [('HAVE_SINK_APPLE_AUDIO', 1)]
108
109    if sys.platform.startswith('win'):
110        ext.define_macros += [('HAVE_WIN_HACKS', 1)]
111
112    ext.define_macros += [('HAVE_WAVWRITE', 1)]
113    ext.define_macros += [('HAVE_WAVREAD', 1)]
114    # TODO:
115    # add cblas
116    if 0:
117        ext.libraries += ['cblas']
118        ext.define_macros += [('HAVE_ATLAS_CBLAS_H', 1)]
119
120def add_system_aubio(ext):
121    # use pkg-config to find aubio's location
122    add_packages(['aubio'], ext)
123    if 'aubio' not in ext.libraries:
124        print("Error: libaubio not found")
125
126class CleanGenerated(distutils.command.clean.clean):
127    def run(self):
128        if os.path.isdir(output_path):
129            distutils.dir_util.remove_tree(output_path)
130
131from distutils.command.build_ext import build_ext as _build_ext
132class build_ext(_build_ext):
133
134    user_options = _build_ext.user_options + [
135            # The format is (long option, short option, description).
136            ('enable-double', None, 'use HAVE_AUBIO_DOUBLE=1 (default: 0)'),
137            ]
138
139    def initialize_options(self):
140        _build_ext.initialize_options(self)
141        self.enable_double = False
142
143    def finalize_options(self):
144        _build_ext.finalize_options(self)
145        if self.enable_double:
146            self.announce(
147                    'will generate code for aubio compiled with HAVE_AUBIO_DOUBLE=1',
148                    level=distutils.log.INFO)
149
150    def build_extension(self, extension):
151        if self.enable_double or 'HAVE_AUBIO_DOUBLE' in os.environ:
152            extension.define_macros += [('HAVE_AUBIO_DOUBLE', 1)]
153            enable_double = True
154        else:
155            enable_double = False
156        # seack for aubio headers and lib in PKG_CONFIG_PATH
157        add_system_aubio(extension)
158        # the lib was not installed on this system
159        if 'aubio' not in extension.libraries:
160            # use local src/aubio.h
161            if os.path.isfile(os.path.join('src', 'aubio.h')):
162                add_local_aubio_header(extension)
163            add_local_macros(extension)
164            # look for a local waf build
165            if os.path.isfile(os.path.join('build','src', 'fvec.c.1.o')):
166                add_local_aubio_lib(extension)
167            else:
168                # check for external dependencies
169                add_external_deps(extension, usedouble=enable_double)
170                # add libaubio sources and look for optional deps with pkg-config
171                add_local_aubio_sources(extension, usedouble=enable_double)
172        # generate files python/gen/*.c, python/gen/aubio-generated.h
173        extension.sources += generate_external(header, output_path, overwrite = False,
174                usedouble=enable_double)
175        return _build_ext.build_extension(self, extension)
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