[19c3d75] | 1 | import distutils.ccompiler |
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| 2 | import sys, os, subprocess, glob |
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[ccb9fb5] | 3 | |
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[89b04e8] | 4 | header = os.path.join('src', 'aubio.h') |
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| 5 | output_path = os.path.join('python', 'gen') |
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[1167631] | 6 | |
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| 7 | source_header = """// this file is generated! do not modify |
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[ccb9fb5] | 8 | #include "aubio-types.h" |
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| 9 | """ |
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| 10 | |
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| 11 | skip_objects = [ |
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| 12 | # already in ext/ |
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| 13 | 'fft', |
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| 14 | 'pvoc', |
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| 15 | 'filter', |
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| 16 | 'filterbank', |
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| 17 | #'resampler', |
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| 18 | # AUBIO_UNSTABLE |
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| 19 | 'hist', |
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| 20 | 'parameter', |
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| 21 | 'scale', |
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| 22 | 'beattracking', |
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| 23 | 'resampler', |
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| 24 | 'peakpicker', |
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| 25 | 'pitchfcomb', |
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| 26 | 'pitchmcomb', |
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| 27 | 'pitchschmitt', |
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| 28 | 'pitchspecacf', |
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| 29 | 'pitchyin', |
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| 30 | 'pitchyinfft', |
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| 31 | 'sink', |
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| 32 | 'sink_apple_audio', |
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| 33 | 'sink_sndfile', |
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| 34 | 'sink_wavwrite', |
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| 35 | #'mfcc', |
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| 36 | 'source', |
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| 37 | 'source_apple_audio', |
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| 38 | 'source_sndfile', |
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| 39 | 'source_avcodec', |
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| 40 | 'source_wavread', |
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| 41 | #'sampler', |
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| 42 | 'audio_unit', |
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| 43 | |
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| 44 | 'tss', |
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| 45 | ] |
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| 46 | |
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[19c3d75] | 47 | def get_preprocessor(): |
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| 48 | # findout which compiler to use |
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| 49 | from distutils.sysconfig import customize_compiler |
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| 50 | compiler_name = distutils.ccompiler.get_default_compiler() |
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| 51 | compiler = distutils.ccompiler.new_compiler(compiler=compiler_name) |
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| 52 | try: |
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| 53 | customize_compiler(compiler) |
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| 54 | except AttributeError as e: |
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| 55 | print("Warning: failed customizing compiler ({:s})".format(repr(e))) |
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| 56 | |
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| 57 | if hasattr(compiler, 'initialize'): |
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| 58 | try: |
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| 59 | compiler.initialize() |
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| 60 | except ValueError as e: |
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| 61 | print("Warning: failed initializing compiler ({:s})".format(repr(e))) |
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| 62 | |
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| 63 | cpp_cmd = None |
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| 64 | if hasattr(compiler, 'preprocessor'): # for unixccompiler |
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| 65 | cpp_cmd = compiler.preprocessor |
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| 66 | elif hasattr(compiler, 'compiler'): # for ccompiler |
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| 67 | cpp_cmd = compiler.compiler.split() |
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| 68 | cpp_cmd += ['-E'] |
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| 69 | elif hasattr(compiler, 'cc'): # for msvccompiler |
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| 70 | cpp_cmd = compiler.cc.split() |
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| 71 | cpp_cmd += ['-E'] |
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| 72 | |
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| 73 | if not cpp_cmd: |
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| 74 | print("Warning: could not guess preprocessor, using env's CC") |
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| 75 | cpp_cmd = os.environ.get('CC', 'cc').split() |
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| 76 | cpp_cmd += ['-E'] |
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| 77 | |
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| 78 | return cpp_cmd |
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[ccb9fb5] | 79 | |
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[1167631] | 80 | def get_cpp_objects(header=header): |
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[19c3d75] | 81 | cpp_cmd = get_preprocessor() |
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| 82 | |
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| 83 | macros = [('AUBIO_UNSTABLE', 1)] |
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| 84 | |
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| 85 | if not os.path.isfile(header): |
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| 86 | raise Exception("could not find include file " + header) |
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| 87 | |
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| 88 | includes = [os.path.dirname(header)] |
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| 89 | cpp_cmd += distutils.ccompiler.gen_preprocess_options(macros, includes) |
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| 90 | cpp_cmd += [header] |
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| 91 | |
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| 92 | print("Running command: {:s}".format(" ".join(cpp_cmd))) |
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| 93 | proc = subprocess.Popen(cpp_cmd, |
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| 94 | stderr=subprocess.PIPE, |
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| 95 | stdout=subprocess.PIPE) |
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| 96 | assert proc, 'Proc was none' |
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| 97 | cpp_output = proc.stdout.read() |
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| 98 | err_output = proc.stderr.read() |
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| 99 | if not cpp_output: |
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| 100 | raise Exception("preprocessor output is empty:\n%s" % err_output) |
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| 101 | elif err_output: |
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| 102 | print ("Warning: preprocessor produced warnings:\n%s" % err_output) |
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| 103 | if not isinstance(cpp_output, list): |
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| 104 | cpp_output = [l.strip() for l in cpp_output.decode('utf8').split('\n')] |
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[ccb9fb5] | 105 | |
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| 106 | cpp_output = filter(lambda y: len(y) > 1, cpp_output) |
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[19c3d75] | 107 | cpp_output = list(filter(lambda y: not y.startswith('#'), cpp_output)) |
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[ccb9fb5] | 108 | |
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| 109 | i = 1 |
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| 110 | while 1: |
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| 111 | if i >= len(cpp_output): break |
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| 112 | if cpp_output[i-1].endswith(',') or cpp_output[i-1].endswith('{') or cpp_output[i].startswith('}'): |
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| 113 | cpp_output[i] = cpp_output[i-1] + ' ' + cpp_output[i] |
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| 114 | cpp_output.pop(i-1) |
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| 115 | else: |
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| 116 | i += 1 |
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| 117 | |
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| 118 | typedefs = filter(lambda y: y.startswith ('typedef struct _aubio'), cpp_output) |
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| 119 | |
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| 120 | cpp_objects = [a.split()[3][:-1] for a in typedefs] |
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| 121 | |
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| 122 | return cpp_output, cpp_objects |
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| 123 | |
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[1167631] | 124 | def generate_external(header=header, output_path=output_path, usedouble=False, overwrite=True): |
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[fbcee4f] | 125 | if not os.path.isdir(output_path): os.mkdir(output_path) |
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[f44384d] | 126 | elif not overwrite: return glob.glob(os.path.join(output_path, '*.c')) |
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[ccb9fb5] | 127 | sources_list = [] |
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[1167631] | 128 | cpp_output, cpp_objects = get_cpp_objects(header) |
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[ccb9fb5] | 129 | lib = {} |
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| 130 | |
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| 131 | for o in cpp_objects: |
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| 132 | if o[:6] != 'aubio_': |
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| 133 | continue |
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| 134 | shortname = o[6:-2] |
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| 135 | if shortname in skip_objects: |
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| 136 | continue |
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| 137 | lib[shortname] = {'struct': [], 'new': [], 'del': [], 'do': [], 'get': [], 'set': [], 'other': []} |
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| 138 | lib[shortname]['longname'] = o |
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| 139 | lib[shortname]['shortname'] = shortname |
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| 140 | for fn in cpp_output: |
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| 141 | if o[:-1] in fn: |
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| 142 | #print "found", o[:-1], "in", fn |
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| 143 | if 'typedef struct ' in fn: |
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| 144 | lib[shortname]['struct'].append(fn) |
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| 145 | elif '_do' in fn: |
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| 146 | lib[shortname]['do'].append(fn) |
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| 147 | elif 'new_' in fn: |
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| 148 | lib[shortname]['new'].append(fn) |
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| 149 | elif 'del_' in fn: |
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| 150 | lib[shortname]['del'].append(fn) |
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| 151 | elif '_get_' in fn: |
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| 152 | lib[shortname]['get'].append(fn) |
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| 153 | elif '_set_' in fn: |
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| 154 | lib[shortname]['set'].append(fn) |
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| 155 | else: |
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| 156 | #print "no idea what to do about", fn |
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| 157 | lib[shortname]['other'].append(fn) |
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| 158 | |
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| 159 | """ |
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| 160 | for fn in cpp_output: |
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| 161 | found = 0 |
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| 162 | for o in lib: |
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| 163 | for family in lib[o]: |
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| 164 | if fn in lib[o][family]: |
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| 165 | found = 1 |
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| 166 | if found == 0: |
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| 167 | print "missing", fn |
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| 168 | |
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| 169 | for o in lib: |
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| 170 | for family in lib[o]: |
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| 171 | if type(lib[o][family]) == str: |
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| 172 | print ( "{:15s} {:10s} {:s}".format(o, family, lib[o][family] ) ) |
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| 173 | elif len(lib[o][family]) == 1: |
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| 174 | print ( "{:15s} {:10s} {:s}".format(o, family, lib[o][family][0] ) ) |
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[a7f398d] | 175 | else: |
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[ccb9fb5] | 176 | print ( "{:15s} {:10s} {:d}".format(o, family, len(lib[o][family]) ) ) |
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| 177 | """ |
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| 178 | |
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[1167631] | 179 | try: |
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| 180 | from .gen_code import MappedObject |
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[19c3d75] | 181 | except (SystemError, ValueError): |
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[1167631] | 182 | from gen_code import MappedObject |
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[ccb9fb5] | 183 | for o in lib: |
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[1167631] | 184 | out = source_header |
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[fbcee4f] | 185 | mapped = MappedObject(lib[o], usedouble = usedouble) |
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[ccb9fb5] | 186 | out += mapped.gen_code() |
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| 187 | output_file = os.path.join(output_path, 'gen-%s.c' % o) |
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| 188 | with open(output_file, 'w') as f: |
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| 189 | f.write(out) |
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| 190 | print ("wrote %s" % output_file ) |
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| 191 | sources_list.append(output_file) |
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| 192 | |
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[1167631] | 193 | out = source_header |
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[ccb9fb5] | 194 | out += "#include \"aubio-generated.h\"" |
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| 195 | check_types = "\n || ".join(["PyType_Ready(&Py_%sType) < 0" % o for o in lib]) |
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| 196 | out += """ |
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| 197 | |
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| 198 | int generated_types_ready (void) |
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| 199 | {{ |
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| 200 | return ({pycheck_types}); |
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| 201 | }} |
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| 202 | """.format(pycheck_types = check_types) |
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| 203 | |
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| 204 | add_types = "".join([""" |
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| 205 | Py_INCREF (&Py_{name}Type); |
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| 206 | PyModule_AddObject(m, "{name}", (PyObject *) & Py_{name}Type);""".format(name = o) for o in lib]) |
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| 207 | out += """ |
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| 208 | |
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| 209 | void add_generated_objects ( PyObject *m ) |
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| 210 | {{ |
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| 211 | {add_types} |
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| 212 | }} |
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| 213 | """.format(add_types = add_types) |
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| 214 | |
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| 215 | output_file = os.path.join(output_path, 'aubio-generated.c') |
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| 216 | with open(output_file, 'w') as f: |
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| 217 | f.write(out) |
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| 218 | print ("wrote %s" % output_file ) |
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| 219 | sources_list.append(output_file) |
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[a7f398d] | 220 | |
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[ccb9fb5] | 221 | objlist = "".join(["extern PyTypeObject Py_%sType;\n" % p for p in lib]) |
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[a89ed31] | 222 | out = """// generated list of objects created with gen_external.py |
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[ccb9fb5] | 223 | |
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[a89ed31] | 224 | #include <Python.h> |
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| 225 | """ |
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| 226 | if usedouble: |
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| 227 | out += """ |
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| 228 | #ifndef HAVE_AUBIO_DOUBLE |
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| 229 | #define HAVE_AUBIO_DOUBLE 1 |
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| 230 | #endif |
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| 231 | """ |
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| 232 | out += """ |
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[ccb9fb5] | 233 | {objlist} |
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| 234 | int generated_objects ( void ); |
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| 235 | void add_generated_objects( PyObject *m ); |
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| 236 | """.format(objlist = objlist) |
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| 237 | |
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| 238 | output_file = os.path.join(output_path, 'aubio-generated.h') |
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| 239 | with open(output_file, 'w') as f: |
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| 240 | f.write(out) |
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| 241 | print ("wrote %s" % output_file ) |
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| 242 | # no need to add header to list of sources |
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| 243 | |
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| 244 | return sources_list |
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| 245 | |
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| 246 | if __name__ == '__main__': |
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[1167631] | 247 | if len(sys.argv) > 1: header = sys.argv[1] |
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| 248 | if len(sys.argv) > 2: output_path = sys.argv[2] |
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| 249 | generate_external(header, output_path) |
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