source: python/lib/generator.py @ 258d441

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 258d441 was 258d441, checked in by Paul Brossier <piem@piem.org>, 11 years ago

src/aubio.h: add pitchspecacf, remove from python/lib/generator

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File size: 7.0 KB
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1#! /usr/bin/python
2
3""" This file generates a c file from a list of cpp prototypes. """
4
5import os, sys, shutil
6from gen_pyobject import write_msg, gen_new_init, gen_do, gen_members, gen_methods, gen_finish
7
8def get_cpp_objects():
9
10  cpp_output = [l.strip() for l in os.popen('cpp -DAUBIO_UNSTABLE=1 -I../build/src ../src/aubio.h').readlines()]
11
12  cpp_output = filter(lambda y: len(y) > 1, cpp_output)
13  cpp_output = filter(lambda y: not y.startswith('#'), cpp_output)
14
15  i = 1
16  while 1:
17      if i >= len(cpp_output): break
18      if cpp_output[i-1].endswith(',') or cpp_output[i-1].endswith('{') or cpp_output[i].startswith('}'):
19          cpp_output[i] = cpp_output[i-1] + ' ' + cpp_output[i]
20          cpp_output.pop(i-1)
21      else:
22          i += 1
23
24  typedefs = filter(lambda y: y.startswith ('typedef struct _aubio'), cpp_output)
25
26  cpp_objects = [a.split()[3][:-1] for a in typedefs]
27
28  return cpp_output, cpp_objects
29
30def generate_object_files(output_path):
31  if os.path.isdir(output_path): shutil.rmtree(output_path)
32  os.mkdir(output_path)
33
34  generated_objects = []
35  cpp_output, cpp_objects = get_cpp_objects()
36  skip_objects = [
37      # already in ext/
38      'fft',
39      'pvoc',
40      'filter',
41      'filterbank',
42      #'resampler',
43      # AUBIO_UNSTABLE
44      'hist',
45      'parameter',
46      'scale',
47      'beattracking',
48      'resampler',
49      'sndfile',
50      'peakpicker',
51      'pitchfcomb',
52      'pitchmcomb',
53      'pitchschmitt',
54      'pitchspecacf',
55      'pitchyin',
56      'pitchyinfft',
57      'sink_apple_audio',
58      'sink_sndfile',
59      'source_apple_audio',
60      'source_sndfile',
61      'source_avcodec',
62      #'sampler',
63      'audio_unit',
64      ]
65
66  write_msg("-- INFO: %d objects in total" % len(cpp_objects))
67
68  for this_object in cpp_objects:
69      lint = 0
70
71      if this_object[-2:] == '_t':
72          object_name = this_object[:-2]
73      else:
74          object_name = this_object
75          write_msg("-- WARNING: %s does not end in _t" % this_object)
76
77      if object_name[:len('aubio_')] != 'aubio_':
78          write_msg("-- WARNING: %s does not start n aubio_" % this_object)
79
80      write_msg("-- INFO: looking at", object_name)
81      object_methods = filter(lambda x: this_object in x, cpp_output)
82      object_methods = [a.strip() for a in object_methods]
83      object_methods = filter(lambda x: not x.startswith('typedef'), object_methods)
84      #for method in object_methods:
85      #    write_msg(method)
86      new_methods = filter(lambda x: 'new_'+object_name in x, object_methods)
87      if len(new_methods) > 1:
88          write_msg("-- WARNING: more than one new method for", object_name)
89          for method in new_methods:
90              write_msg(method)
91      elif len(new_methods) < 1:
92          write_msg("-- WARNING: no new method for", object_name)
93      elif 0:
94          for method in new_methods:
95              write_msg(method)
96
97      del_methods = filter(lambda x: 'del_'+object_name in x, object_methods)
98      if len(del_methods) > 1:
99          write_msg("-- WARNING: more than one del method for", object_name)
100          for method in del_methods:
101              write_msg(method)
102      elif len(del_methods) < 1:
103          write_msg("-- WARNING: no del method for", object_name)
104
105      do_methods = filter(lambda x: object_name+'_do' in x, object_methods)
106      if len(do_methods) > 1:
107          pass
108          #write_msg("-- WARNING: more than one do method for", object_name)
109          #for method in do_methods:
110          #    write_msg(method)
111      elif len(do_methods) < 1:
112          write_msg("-- WARNING: no do method for", object_name)
113      elif 0:
114          for method in do_methods:
115              write_msg(method)
116
117      # check do methods return void
118      for method in do_methods:
119          if (method.split()[0] != 'void'):
120              write_msg("-- ERROR: _do method does not return void:", method )
121
122      get_methods = filter(lambda x: object_name+'_get_' in x, object_methods)
123
124      set_methods = filter(lambda x: object_name+'_set_' in x, object_methods)
125      for method in set_methods:
126          if (method.split()[0] != 'uint_t'):
127              write_msg("-- ERROR: _set method does not return uint_t:", method )
128
129      other_methods = filter(lambda x: x not in new_methods, object_methods)
130      other_methods = filter(lambda x: x not in del_methods, other_methods)
131      other_methods = filter(lambda x: x not in    do_methods, other_methods)
132      other_methods = filter(lambda x: x not in get_methods, other_methods)
133      other_methods = filter(lambda x: x not in set_methods, other_methods)
134
135      if len(other_methods) > 0:
136          write_msg("-- WARNING: some methods for", object_name, "were unidentified")
137          for method in other_methods:
138              write_msg(method)
139
140
141      # generate this_object
142      short_name = object_name[len('aubio_'):]
143      if short_name in skip_objects:
144              write_msg("-- INFO: skipping object", short_name )
145              continue
146      if 1: #try:
147          s = gen_new_init(new_methods[0], short_name)
148          s += gen_do(do_methods[0], short_name)
149          s += gen_members(new_methods[0], short_name)
150          s += gen_methods(get_methods, set_methods, short_name)
151          s += gen_finish(short_name)
152          generated_filepath = os.path.join(output_path,'gen-'+short_name+'.c')
153          fd = open(generated_filepath, 'w')
154          fd.write(s)
155      #except Exception, e:
156      #        write_msg("-- ERROR:", type(e), str(e), "in", short_name)
157      #        continue
158      generated_objects += [this_object]
159
160  s = """// generated list of objects created with generator.py
161
162"""
163
164  types_ready = []
165  for each in generated_objects:
166      types_ready.append("  PyType_Ready (&Py_%sType) < 0" % \
167              each.replace('aubio_','').replace('_t','') )
168
169  s = """// generated list of objects created with generator.py
170
171#include "aubio-generated.h"
172"""
173
174  s += """
175int generated_types_ready (void)
176{
177  return (
178"""
179  s += ('\n     ||').join(types_ready)
180  s += """);
181}
182"""
183
184  s += """
185void add_generated_objects ( PyObject *m )
186{"""
187  for each in generated_objects:
188    s += """
189  Py_INCREF (&Py_%(name)sType);
190  PyModule_AddObject (m, "%(name)s", (PyObject *) & Py_%(name)sType);""" % \
191          { 'name': ( each.replace('aubio_','').replace('_t','') ) }
192
193  s += """
194}"""
195
196  fd = open(os.path.join(output_path,'aubio-generated.c'), 'w')
197  fd.write(s)
198
199  s = """// generated list of objects created with generator.py
200
201#include <Python.h>
202
203"""
204
205  for each in generated_objects:
206      s += "extern PyTypeObject Py_%sType;\n" % \
207              each.replace('aubio_','').replace('_t','')
208
209  s+= "int generated_objects ( void );\n"
210  s+= "void add_generated_objects( PyObject *m );\n"
211
212  fd = open(os.path.join(output_path,'aubio-generated.h'), 'w')
213  fd.write(s)
214
215  from os import listdir
216  generated_files = listdir(output_path)
217  generated_files = filter(lambda x: x.endswith('.c'), generated_files)
218  generated_files = [output_path+'/'+f for f in generated_files]
219  return generated_files
220
221if __name__ == '__main__':
222  generate_object_files('gen')
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