1 | """ A collection of function used from setup.py distutils script """ |
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2 | # |
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3 | import sys, os, glob, subprocess |
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4 | import distutils, distutils.command.clean, distutils.dir_util |
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5 | from gen_external import generate_external, header, output_path |
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6 | |
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7 | from this_version import get_aubio_version |
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8 | |
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9 | # inspired from https://gist.github.com/abergmeier/9488990 |
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10 | def add_packages(packages, ext=None, **kw): |
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11 | """ use pkg-config to search which of 'packages' are installed """ |
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12 | flag_map = { |
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13 | '-I': 'include_dirs', |
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14 | '-L': 'library_dirs', |
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15 | '-l': 'libraries'} |
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16 | |
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17 | # if a setuptools extension is passed, fill it with pkg-config results |
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18 | if ext: |
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19 | kw = {'include_dirs': ext.include_dirs, |
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20 | 'extra_link_args': ext.extra_link_args, |
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21 | 'library_dirs': ext.library_dirs, |
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22 | 'libraries': ext.libraries, |
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23 | } |
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24 | |
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25 | for package in packages: |
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26 | print("checking for {:s}".format(package)) |
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27 | cmd = ['pkg-config', '--libs', '--cflags', package] |
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28 | try: |
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29 | tokens = subprocess.check_output(cmd) |
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30 | except Exception as e: |
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31 | print("Running \"{:s}\" failed: {:s}".format(' '.join(cmd), repr(e))) |
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32 | continue |
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33 | tokens = tokens.decode('utf8').split() |
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34 | for token in tokens: |
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35 | key = token[:2] |
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36 | try: |
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37 | arg = flag_map[key] |
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38 | value = token[2:] |
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39 | except KeyError: |
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40 | arg = 'extra_link_args' |
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41 | value = token |
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42 | kw.setdefault(arg, []).append(value) |
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43 | for key, value in iter(kw.items()): # remove duplicated |
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44 | kw[key] = list(set(value)) |
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45 | return kw |
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46 | |
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47 | def add_local_aubio_header(ext): |
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48 | """ use local "src/aubio.h", not <aubio/aubio.h>""" |
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49 | ext.define_macros += [('USE_LOCAL_AUBIO', 1)] |
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50 | ext.include_dirs += ['src'] # aubio.h |
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51 | |
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52 | def add_local_aubio_lib(ext): |
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53 | """ add locally built libaubio from build/src """ |
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54 | print("Info: using locally built libaubio") |
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55 | ext.library_dirs += [os.path.join('build', 'src')] |
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56 | ext.libraries += ['aubio'] |
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57 | |
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58 | def add_local_aubio_sources(ext): |
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59 | """ build aubio inside python module instead of linking against libaubio """ |
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60 | print("Info: libaubio was not installed or built locally with waf, adding src/") |
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61 | aubio_sources = sorted(glob.glob(os.path.join('src', '**.c'))) |
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62 | aubio_sources += sorted(glob.glob(os.path.join('src', '*', '**.c'))) |
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63 | ext.sources += aubio_sources |
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64 | |
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65 | def add_local_macros(ext, usedouble = False): |
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66 | if usedouble: |
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67 | ext.define_macros += [('HAVE_AUBIO_DOUBLE', 1)] |
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68 | # define macros (waf puts them in build/src/config.h) |
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69 | for define_macro in ['HAVE_STDLIB_H', 'HAVE_STDIO_H', |
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70 | 'HAVE_MATH_H', 'HAVE_STRING_H', |
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71 | 'HAVE_ERRNO_H', 'HAVE_C99_VARARGS_MACROS', |
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72 | 'HAVE_LIMITS_H', 'HAVE_STDARG_H', |
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73 | 'HAVE_MEMCPY_HACKS']: |
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74 | ext.define_macros += [(define_macro, 1)] |
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75 | |
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76 | def add_external_deps(ext, usedouble = False): |
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77 | # loof for additional packages |
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78 | print("Info: looking for *optional* additional packages") |
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79 | packages = ['libavcodec', 'libavformat', 'libavutil', 'libswresample', |
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80 | 'jack', |
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81 | 'sndfile', |
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82 | 'rubberband', |
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83 | #'fftw3f', |
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84 | ] |
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85 | # samplerate only works with float |
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86 | if usedouble is False: |
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87 | packages += ['samplerate'] |
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88 | else: |
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89 | print("Info: not adding libsamplerate in double precision mode") |
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90 | add_packages(packages, ext=ext) |
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91 | if 'avcodec' in ext.libraries \ |
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92 | and 'avformat' in ext.libraries \ |
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93 | and 'avutil' in ext.libraries \ |
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94 | and 'swresample' in ext.libraries: |
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95 | ext.define_macros += [('HAVE_LIBAV', 1)] |
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96 | if 'sndfile' in ext.libraries: |
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97 | ext.define_macros += [('HAVE_SNDFILE', 1)] |
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98 | if 'samplerate' in ext.libraries: |
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99 | ext.define_macros += [('HAVE_SAMPLERATE', 1)] |
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100 | if 'rubberband' in ext.libraries: |
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101 | ext.define_macros += [('HAVE_RUBBERBAND', 1)] |
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102 | if 'fftw3f' in ext.libraries: |
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103 | ext.define_macros += [('HAVE_FFTW3F', 1)] |
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104 | ext.define_macros += [('HAVE_FFTW3', 1)] |
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105 | |
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106 | # add accelerate on darwin |
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107 | if sys.platform.startswith('darwin'): |
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108 | ext.extra_link_args += ['-framework', 'Accelerate'] |
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109 | ext.define_macros += [('HAVE_ACCELERATE', 1)] |
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110 | ext.define_macros += [('HAVE_SOURCE_APPLE_AUDIO', 1)] |
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111 | ext.define_macros += [('HAVE_SINK_APPLE_AUDIO', 1)] |
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112 | |
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113 | if sys.platform.startswith('win'): |
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114 | ext.define_macros += [('HAVE_WIN_HACKS', 1)] |
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115 | |
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116 | ext.define_macros += [('HAVE_WAVWRITE', 1)] |
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117 | ext.define_macros += [('HAVE_WAVREAD', 1)] |
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118 | |
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119 | # TODO: add cblas |
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120 | if 0: |
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121 | ext.libraries += ['cblas'] |
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122 | ext.define_macros += [('HAVE_ATLAS_CBLAS_H', 1)] |
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123 | |
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124 | def add_system_aubio(ext): |
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125 | # use pkg-config to find aubio's location |
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126 | aubio_version = get_aubio_version() |
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127 | add_packages(['aubio = ' + aubio_version], ext) |
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128 | if 'aubio' not in ext.libraries: |
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129 | print("Info: aubio " + aubio_version + " was not found by pkg-config") |
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130 | else: |
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131 | print("Info: using system aubio " + aubio_version + " found in " + ' '.join(ext.library_dirs)) |
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132 | |
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133 | def add_libav_on_win(ext): |
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134 | """ no pkg-config on windows, simply assume these libs are available """ |
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135 | ext.libraries += ['avformat', 'avutil', 'avcodec', 'swresample'] |
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136 | for define_macro in ['HAVE_LIBAV', 'HAVE_SWRESAMPLE']: |
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137 | ext.define_macros += [(define_macro, 1)] |
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138 | |
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139 | class CleanGenerated(distutils.command.clean.clean): |
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140 | def run(self): |
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141 | if os.path.isdir(output_path): |
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142 | distutils.dir_util.remove_tree(output_path) |
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143 | |
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144 | from distutils.command.build_ext import build_ext as _build_ext |
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145 | class build_ext(_build_ext): |
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146 | |
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147 | user_options = _build_ext.user_options + [ |
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148 | # The format is (long option, short option, description). |
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149 | ('enable-double', None, 'use HAVE_AUBIO_DOUBLE=1 (default: 0)'), |
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150 | ] |
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151 | |
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152 | def initialize_options(self): |
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153 | _build_ext.initialize_options(self) |
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154 | self.enable_double = False |
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155 | |
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156 | def finalize_options(self): |
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157 | _build_ext.finalize_options(self) |
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158 | if self.enable_double: |
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159 | self.announce( |
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160 | 'will generate code for aubio compiled with HAVE_AUBIO_DOUBLE=1', |
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161 | level=distutils.log.INFO) |
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162 | |
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163 | def build_extension(self, extension): |
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164 | if self.enable_double or 'HAVE_AUBIO_DOUBLE' in os.environ: |
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165 | enable_double = True |
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166 | else: |
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167 | enable_double = False |
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168 | # seack for aubio headers and lib in PKG_CONFIG_PATH |
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169 | add_system_aubio(extension) |
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170 | # the lib was not installed on this system |
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171 | if 'aubio' not in extension.libraries: |
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172 | # use local src/aubio.h |
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173 | if os.path.isfile(os.path.join('src', 'aubio.h')): |
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174 | add_local_aubio_header(extension) |
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175 | add_local_macros(extension, usedouble=enable_double) |
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176 | # look for a local waf build |
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177 | if os.path.isfile(os.path.join('build','src', 'fvec.c.1.o')): |
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178 | add_local_aubio_lib(extension) |
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179 | else: |
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180 | # check for external dependencies |
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181 | add_external_deps(extension, usedouble=enable_double) |
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182 | # force adding libav on windows |
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183 | if os.name == 'nt' and ('WITH_LIBAV' in os.environ \ |
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184 | or 'CONDA_PREFIX' in os.environ): |
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185 | add_libav_on_win(extension) |
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186 | # add libaubio sources and look for optional deps with pkg-config |
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187 | add_local_aubio_sources(extension) |
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188 | # generate files python/gen/*.c, python/gen/aubio-generated.h |
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189 | extension.include_dirs += [ output_path ] |
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190 | extension.sources += generate_external(header, output_path, overwrite = False, |
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191 | usedouble=enable_double) |
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192 | return _build_ext.build_extension(self, extension) |
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