source: python/lib/generator.py @ e1cdb89

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since e1cdb89 was e1cdb89, checked in by Paul Brossier <piem@piem.org>, 11 years ago

python/lib/generator.py: add source_avcodec to blacklist

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File size: 6.9 KB
Line 
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      'pitchyin',
55      'pitchyinfft',
56      'sink_apple_audio',
57      'sink_sndfile',
58      'source_apple_audio',
59      'source_sndfile',
60      'source_avcodec',
61      #'sampler',
62      'audio_unit',
63      ]
64
65  write_msg("-- INFO: %d objects in total" % len(cpp_objects))
66
67  for this_object in cpp_objects:
68      lint = 0
69
70      if this_object[-2:] == '_t':
71          object_name = this_object[:-2]
72      else:
73          object_name = this_object
74          write_msg("-- WARNING: %s does not end in _t" % this_object)
75
76      if object_name[:len('aubio_')] != 'aubio_':
77          write_msg("-- WARNING: %s does not start n aubio_" % this_object)
78
79      write_msg("-- INFO: looking at", object_name)
80      object_methods = filter(lambda x: this_object in x, cpp_output)
81      object_methods = [a.strip() for a in object_methods]
82      object_methods = filter(lambda x: not x.startswith('typedef'), object_methods)
83      #for method in object_methods:
84      #    write_msg(method)
85      new_methods = filter(lambda x: 'new_'+object_name in x, object_methods)
86      if len(new_methods) > 1:
87          write_msg("-- WARNING: more than one new method for", object_name)
88          for method in new_methods:
89              write_msg(method)
90      elif len(new_methods) < 1:
91          write_msg("-- WARNING: no new method for", object_name)
92      elif 0:
93          for method in new_methods:
94              write_msg(method)
95
96      del_methods = filter(lambda x: 'del_'+object_name in x, object_methods)
97      if len(del_methods) > 1:
98          write_msg("-- WARNING: more than one del method for", object_name)
99          for method in del_methods:
100              write_msg(method)
101      elif len(del_methods) < 1:
102          write_msg("-- WARNING: no del method for", object_name)
103
104      do_methods = filter(lambda x: object_name+'_do' in x, object_methods)
105      if len(do_methods) > 1:
106          pass
107          #write_msg("-- WARNING: more than one do method for", object_name)
108          #for method in do_methods:
109          #    write_msg(method)
110      elif len(do_methods) < 1:
111          write_msg("-- WARNING: no do method for", object_name)
112      elif 0:
113          for method in do_methods:
114              write_msg(method)
115
116      # check do methods return void
117      for method in do_methods:
118          if (method.split()[0] != 'void'):
119              write_msg("-- ERROR: _do method does not return void:", method )
120
121      get_methods = filter(lambda x: object_name+'_get_' in x, object_methods)
122
123      set_methods = filter(lambda x: object_name+'_set_' in x, object_methods)
124      for method in set_methods:
125          if (method.split()[0] != 'uint_t'):
126              write_msg("-- ERROR: _set method does not return uint_t:", method )
127
128      other_methods = filter(lambda x: x not in new_methods, object_methods)
129      other_methods = filter(lambda x: x not in del_methods, other_methods)
130      other_methods = filter(lambda x: x not in    do_methods, other_methods)
131      other_methods = filter(lambda x: x not in get_methods, other_methods)
132      other_methods = filter(lambda x: x not in set_methods, other_methods)
133
134      if len(other_methods) > 0:
135          write_msg("-- WARNING: some methods for", object_name, "were unidentified")
136          for method in other_methods:
137              write_msg(method)
138
139
140      # generate this_object
141      short_name = object_name[len('aubio_'):]
142      if short_name in skip_objects:
143              write_msg("-- INFO: skipping object", short_name )
144              continue
145      if 1: #try:
146          s = gen_new_init(new_methods[0], short_name)
147          s += gen_do(do_methods[0], short_name)
148          s += gen_members(new_methods[0], short_name)
149          s += gen_methods(get_methods, set_methods, short_name)
150          s += gen_finish(short_name)
151          generated_filepath = os.path.join(output_path,'gen-'+short_name+'.c')
152          fd = open(generated_filepath, 'w')
153          fd.write(s)
154      #except Exception, e:
155      #        write_msg("-- ERROR:", type(e), str(e), "in", short_name)
156      #        continue
157      generated_objects += [this_object]
158
159  s = """// generated list of objects created with generator.py
160
161"""
162
163  types_ready = []
164  for each in generated_objects:
165      types_ready.append("  PyType_Ready (&Py_%sType) < 0" % \
166              each.replace('aubio_','').replace('_t','') )
167
168  s = """// generated list of objects created with generator.py
169
170#include "aubio-generated.h"
171"""
172
173  s += """
174int generated_types_ready (void)
175{
176  return (
177"""
178  s += ('\n     ||').join(types_ready)
179  s += """);
180}
181"""
182
183  s += """
184void add_generated_objects ( PyObject *m )
185{"""
186  for each in generated_objects:
187    s += """
188  Py_INCREF (&Py_%(name)sType);
189  PyModule_AddObject (m, "%(name)s", (PyObject *) & Py_%(name)sType);""" % \
190          { 'name': ( each.replace('aubio_','').replace('_t','') ) }
191
192  s += """
193}"""
194
195  fd = open(os.path.join(output_path,'aubio-generated.c'), 'w')
196  fd.write(s)
197
198  s = """// generated list of objects created with generator.py
199
200#include <Python.h>
201
202"""
203
204  for each in generated_objects:
205      s += "extern PyTypeObject Py_%sType;\n" % \
206              each.replace('aubio_','').replace('_t','')
207
208  s+= "int generated_objects ( void );\n"
209  s+= "void add_generated_objects( PyObject *m );\n"
210
211  fd = open(os.path.join(output_path,'aubio-generated.h'), 'w')
212  fd.write(s)
213
214  from os import listdir
215  generated_files = listdir(output_path)
216  generated_files = filter(lambda x: x.endswith('.c'), generated_files)
217  generated_files = [output_path+'/'+f for f in generated_files]
218  return generated_files
219
220if __name__ == '__main__':
221  generate_object_files('gen')
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