source: python/lib/moresetuptools.py @ c7d3c2a

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5sampler
Last change on this file since c7d3c2a was c7d3c2a, checked in by Paul Brossier <piem@piem.org>, 7 years ago

setup.py: clean up imports

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File size: 7.3 KB
Line 
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, usedouble = False):
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    # define macros (waf puts them in build/src/config.h)
67    for define_macro in ['HAVE_STDLIB_H', 'HAVE_STDIO_H',
68                         'HAVE_MATH_H', 'HAVE_STRING_H',
69                         'HAVE_C99_VARARGS_MACROS',
70                         'HAVE_LIMITS_H', 'HAVE_STDARG_H',
71                         'HAVE_MEMCPY_HACKS']:
72        ext.define_macros += [(define_macro, 1)]
73
74def add_external_deps(ext, usedouble = False):
75    # loof for additional packages
76    print("Info: looking for *optional* additional packages")
77    packages = ['libavcodec', 'libavformat', 'libavutil',
78                'libswresample', 'libavresample',
79                'sndfile',
80                #'fftw3f',
81               ]
82    # samplerate only works with float
83    if usedouble is False:
84        packages += ['samplerate']
85    else:
86        print("Info: not adding libsamplerate in double precision mode")
87    add_packages(packages, ext=ext)
88    if 'avcodec' in ext.libraries \
89            and 'avformat' in ext.libraries \
90            and 'avutil' in ext.libraries:
91        if 'swresample' in ext.libraries:
92            ext.define_macros += [('HAVE_SWRESAMPLE', 1)]
93        elif 'avresample' in ext.libraries:
94            ext.define_macros += [('HAVE_AVRESAMPLE', 1)]
95        if 'swresample' in ext.libraries or 'avresample' in ext.libraries:
96            ext.define_macros += [('HAVE_LIBAV', 1)]
97    if 'sndfile' in ext.libraries:
98        ext.define_macros += [('HAVE_SNDFILE', 1)]
99    if 'samplerate' in ext.libraries:
100        ext.define_macros += [('HAVE_SAMPLERATE', 1)]
101    if 'fftw3f' in ext.libraries:
102        ext.define_macros += [('HAVE_FFTW3F', 1)]
103        ext.define_macros += [('HAVE_FFTW3', 1)]
104
105    # add accelerate on darwin
106    if sys.platform.startswith('darwin'):
107        ext.extra_link_args += ['-framework', 'Accelerate']
108        ext.define_macros += [('HAVE_ACCELERATE', 1)]
109        ext.define_macros += [('HAVE_SOURCE_APPLE_AUDIO', 1)]
110        ext.define_macros += [('HAVE_SINK_APPLE_AUDIO', 1)]
111
112    if sys.platform.startswith('win'):
113        ext.define_macros += [('HAVE_WIN_HACKS', 1)]
114
115    ext.define_macros += [('HAVE_WAVWRITE', 1)]
116    ext.define_macros += [('HAVE_WAVREAD', 1)]
117    # TODO:
118    # add cblas
119    if 0:
120        ext.libraries += ['cblas']
121        ext.define_macros += [('HAVE_ATLAS_CBLAS_H', 1)]
122
123def add_system_aubio(ext):
124    # use pkg-config to find aubio's location
125    aubio_version = get_aubio_version()
126    add_packages(['aubio = ' + aubio_version], ext)
127    if 'aubio' not in ext.libraries:
128        print("Info: aubio " + aubio_version + " was not found by pkg-config")
129    else:
130        print("Info: using system aubio " + aubio_version + " found in " + ' '.join(ext.library_dirs))
131
132class CleanGenerated(distutils.command.clean.clean):
133    def run(self):
134        if os.path.isdir(output_path):
135            distutils.dir_util.remove_tree(output_path)
136
137from distutils.command.build_ext import build_ext as _build_ext
138class build_ext(_build_ext):
139
140    user_options = _build_ext.user_options + [
141            # The format is (long option, short option, description).
142            ('enable-double', None, 'use HAVE_AUBIO_DOUBLE=1 (default: 0)'),
143            ]
144
145    def initialize_options(self):
146        _build_ext.initialize_options(self)
147        self.enable_double = False
148
149    def finalize_options(self):
150        _build_ext.finalize_options(self)
151        if self.enable_double:
152            self.announce(
153                    'will generate code for aubio compiled with HAVE_AUBIO_DOUBLE=1',
154                    level=distutils.log.INFO)
155
156    def build_extension(self, extension):
157        if self.enable_double or 'HAVE_AUBIO_DOUBLE' in os.environ:
158            extension.define_macros += [('HAVE_AUBIO_DOUBLE', 1)]
159            enable_double = True
160        else:
161            enable_double = False
162        # seack for aubio headers and lib in PKG_CONFIG_PATH
163        add_system_aubio(extension)
164        # the lib was not installed on this system
165        if 'aubio' not in extension.libraries:
166            # use local src/aubio.h
167            if os.path.isfile(os.path.join('src', 'aubio.h')):
168                add_local_aubio_header(extension)
169            add_local_macros(extension)
170            # look for a local waf build
171            if os.path.isfile(os.path.join('build','src', 'fvec.c.1.o')):
172                add_local_aubio_lib(extension)
173            else:
174                # check for external dependencies
175                add_external_deps(extension, usedouble=enable_double)
176                # add libaubio sources and look for optional deps with pkg-config
177                add_local_aubio_sources(extension, usedouble=enable_double)
178        # generate files python/gen/*.c, python/gen/aubio-generated.h
179        extension.include_dirs += [ output_path ]
180        extension.sources += generate_external(header, output_path, overwrite = False,
181                usedouble=enable_double)
182        return _build_ext.build_extension(self, extension)
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