source: python/lib/moresetuptools.py @ 8ff31fb

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/timestretchfix/ffmpeg5
Last change on this file since 8ff31fb was 2410f57a, checked in by Paul Brossier <piem@piem.org>, 6 years ago

[py] remove empty init files
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File size: 7.7 KB
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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
7from this_version import get_aubio_version
8
9# inspired from https://gist.github.com/abergmeier/9488990
10def add_packages(packages, ext=None, **kw):
11    """ use pkg-config to search which of 'packages' are installed """
12    flag_map = {
13        '-I': 'include_dirs',
14        '-L': 'library_dirs',
15        '-l': 'libraries'}
16
17    # if a setuptools extension is passed, fill it with pkg-config results
18    if ext:
19        kw = {'include_dirs': ext.include_dirs,
20              'extra_link_args': ext.extra_link_args,
21              'library_dirs': ext.library_dirs,
22              'libraries': ext.libraries,
23             }
24
25    for package in packages:
26        print("checking for {:s}".format(package))
27        cmd = ['pkg-config', '--libs', '--cflags', package]
28        try:
29            tokens = subprocess.check_output(cmd)
30        except Exception as e:
31            print("Running \"{:s}\" failed: {:s}".format(' '.join(cmd), repr(e)))
32            continue
33        tokens = tokens.decode('utf8').split()
34        for token in tokens:
35            key = token[:2]
36            try:
37                arg = flag_map[key]
38                value = token[2:]
39            except KeyError:
40                arg = 'extra_link_args'
41                value = token
42            kw.setdefault(arg, []).append(value)
43    for key, value in iter(kw.items()): # remove duplicated
44        kw[key] = list(set(value))
45    return kw
46
47def add_local_aubio_header(ext):
48    """ use local "src/aubio.h", not <aubio/aubio.h>"""
49    ext.define_macros += [('USE_LOCAL_AUBIO', 1)]
50    ext.include_dirs += ['src'] # aubio.h
51
52def add_local_aubio_lib(ext):
53    """ add locally built libaubio from build/src """
54    print("Info: using locally built libaubio")
55    ext.library_dirs += [os.path.join('build', 'src')]
56    ext.libraries += ['aubio']
57
58def add_local_aubio_sources(ext):
59    """ build aubio inside python module instead of linking against libaubio """
60    print("Info: libaubio was not installed or built locally with waf, adding src/")
61    aubio_sources = sorted(glob.glob(os.path.join('src', '**.c')))
62    aubio_sources += sorted(glob.glob(os.path.join('src', '*', '**.c')))
63    ext.sources += aubio_sources
64
65def add_local_macros(ext, usedouble = False):
66    if usedouble:
67        ext.define_macros += [('HAVE_AUBIO_DOUBLE', 1)]
68    # define macros (waf puts them in build/src/config.h)
69    for define_macro in ['HAVE_STDLIB_H', 'HAVE_STDIO_H',
70                         'HAVE_MATH_H', 'HAVE_STRING_H',
71                         'HAVE_C99_VARARGS_MACROS',
72                         'HAVE_LIMITS_H', 'HAVE_STDARG_H',
73                         'HAVE_MEMCPY_HACKS']:
74        ext.define_macros += [(define_macro, 1)]
75
76def add_external_deps(ext, usedouble = False):
77    # loof for additional packages
78    print("Info: looking for *optional* additional packages")
79    packages = ['libavcodec', 'libavformat', 'libavutil',
80                'libswresample', 'libavresample',
81                'sndfile',
82                #'fftw3f',
83               ]
84    # samplerate only works with float
85    if usedouble is False:
86        packages += ['samplerate']
87    else:
88        print("Info: not adding libsamplerate in double precision mode")
89    add_packages(packages, ext=ext)
90    if 'avcodec' in ext.libraries \
91            and 'avformat' in ext.libraries \
92            and 'avutil' in ext.libraries:
93        if 'swresample' in ext.libraries:
94            ext.define_macros += [('HAVE_SWRESAMPLE', 1)]
95        elif 'avresample' in ext.libraries:
96            ext.define_macros += [('HAVE_AVRESAMPLE', 1)]
97        if 'swresample' in ext.libraries or 'avresample' in ext.libraries:
98            ext.define_macros += [('HAVE_LIBAV', 1)]
99    if 'sndfile' in ext.libraries:
100        ext.define_macros += [('HAVE_SNDFILE', 1)]
101    if 'samplerate' in ext.libraries:
102        ext.define_macros += [('HAVE_SAMPLERATE', 1)]
103    if 'fftw3f' in ext.libraries:
104        ext.define_macros += [('HAVE_FFTW3F', 1)]
105        ext.define_macros += [('HAVE_FFTW3', 1)]
106
107    # add accelerate on darwin
108    if sys.platform.startswith('darwin'):
109        ext.extra_link_args += ['-framework', 'Accelerate']
110        ext.define_macros += [('HAVE_ACCELERATE', 1)]
111        ext.define_macros += [('HAVE_SOURCE_APPLE_AUDIO', 1)]
112        ext.define_macros += [('HAVE_SINK_APPLE_AUDIO', 1)]
113
114    if sys.platform.startswith('win'):
115        ext.define_macros += [('HAVE_WIN_HACKS', 1)]
116
117    ext.define_macros += [('HAVE_WAVWRITE', 1)]
118    ext.define_macros += [('HAVE_WAVREAD', 1)]
119
120    # TODO: add cblas
121    if 0:
122        ext.libraries += ['cblas']
123        ext.define_macros += [('HAVE_ATLAS_CBLAS_H', 1)]
124
125def add_system_aubio(ext):
126    # use pkg-config to find aubio's location
127    aubio_version = get_aubio_version()
128    add_packages(['aubio = ' + aubio_version], ext)
129    if 'aubio' not in ext.libraries:
130        print("Info: aubio " + aubio_version + " was not found by pkg-config")
131    else:
132        print("Info: using system aubio " + aubio_version + " found in " + ' '.join(ext.library_dirs))
133
134def add_libav_on_win(ext):
135    """ no pkg-config on windows, simply assume these libs are available """
136    ext.libraries += ['avformat', 'avutil', 'avcodec', 'swresample']
137    for define_macro in ['HAVE_LIBAV', 'HAVE_SWRESAMPLE']:
138        ext.define_macros += [(define_macro, 1)]
139
140class CleanGenerated(distutils.command.clean.clean):
141    def run(self):
142        if os.path.isdir(output_path):
143            distutils.dir_util.remove_tree(output_path)
144
145from distutils.command.build_ext import build_ext as _build_ext
146class build_ext(_build_ext):
147
148    user_options = _build_ext.user_options + [
149            # The format is (long option, short option, description).
150            ('enable-double', None, 'use HAVE_AUBIO_DOUBLE=1 (default: 0)'),
151            ]
152
153    def initialize_options(self):
154        _build_ext.initialize_options(self)
155        self.enable_double = False
156
157    def finalize_options(self):
158        _build_ext.finalize_options(self)
159        if self.enable_double:
160            self.announce(
161                    'will generate code for aubio compiled with HAVE_AUBIO_DOUBLE=1',
162                    level=distutils.log.INFO)
163
164    def build_extension(self, extension):
165        if self.enable_double or 'HAVE_AUBIO_DOUBLE' in os.environ:
166            enable_double = True
167        else:
168            enable_double = False
169        # seack for aubio headers and lib in PKG_CONFIG_PATH
170        add_system_aubio(extension)
171        # the lib was not installed on this system
172        if 'aubio' not in extension.libraries:
173            # use local src/aubio.h
174            if os.path.isfile(os.path.join('src', 'aubio.h')):
175                add_local_aubio_header(extension)
176            add_local_macros(extension, usedouble=enable_double)
177            # look for a local waf build
178            if os.path.isfile(os.path.join('build','src', 'fvec.c.1.o')):
179                add_local_aubio_lib(extension)
180            else:
181                # check for external dependencies
182                add_external_deps(extension, usedouble=enable_double)
183                # force adding libav on windows
184                if os.name == 'nt' and ('WITH_LIBAV' in os.environ \
185                        or 'CONDA_PREFIX' in os.environ):
186                    add_libav_on_win(extension)
187                # add libaubio sources and look for optional deps with pkg-config
188                add_local_aubio_sources(extension)
189        # generate files python/gen/*.c, python/gen/aubio-generated.h
190        extension.include_dirs += [ output_path ]
191        extension.sources += generate_external(header, output_path, overwrite = False,
192                usedouble=enable_double)
193        return _build_ext.build_extension(self, extension)
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