source: python/lib/generator.py @ d27634d

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since d27634d was d27634d, checked in by Paul Brossier <piem@piem.org>, 6 years ago

python/ext/py-source.c: not generated, modified init to get samplerate from aubio_source_t

Signed-off-by: Paul Brossier <piem@piem.org>

  • Property mode set to 100755
File size: 7.0 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      'pitchspecacf',
55      'pitchyin',
56      'pitchyinfft',
57      'sink_apple_audio',
58      'sink_sndfile',
59      'source',
60      'source_apple_audio',
61      'source_sndfile',
62      'source_avcodec',
63      #'sampler',
64      'audio_unit',
65      ]
66
67  write_msg("-- INFO: %d objects in total" % len(cpp_objects))
68
69  for this_object in cpp_objects:
70      lint = 0
71
72      if this_object[-2:] == '_t':
73          object_name = this_object[:-2]
74      else:
75          object_name = this_object
76          write_msg("-- WARNING: %s does not end in _t" % this_object)
77
78      if object_name[:len('aubio_')] != 'aubio_':
79          write_msg("-- WARNING: %s does not start n aubio_" % this_object)
80
81      write_msg("-- INFO: looking at", object_name)
82      object_methods = filter(lambda x: this_object in x, cpp_output)
83      object_methods = [a.strip() for a in object_methods]
84      object_methods = filter(lambda x: not x.startswith('typedef'), object_methods)
85      #for method in object_methods:
86      #    write_msg(method)
87      new_methods = filter(lambda x: 'new_'+object_name in x, object_methods)
88      if len(new_methods) > 1:
89          write_msg("-- WARNING: more than one new method for", object_name)
90          for method in new_methods:
91              write_msg(method)
92      elif len(new_methods) < 1:
93          write_msg("-- WARNING: no new method for", object_name)
94      elif 0:
95          for method in new_methods:
96              write_msg(method)
97
98      del_methods = filter(lambda x: 'del_'+object_name in x, object_methods)
99      if len(del_methods) > 1:
100          write_msg("-- WARNING: more than one del method for", object_name)
101          for method in del_methods:
102              write_msg(method)
103      elif len(del_methods) < 1:
104          write_msg("-- WARNING: no del method for", object_name)
105
106      do_methods = filter(lambda x: object_name+'_do' in x, object_methods)
107      if len(do_methods) > 1:
108          pass
109          #write_msg("-- WARNING: more than one do method for", object_name)
110          #for method in do_methods:
111          #    write_msg(method)
112      elif len(do_methods) < 1:
113          write_msg("-- WARNING: no do method for", object_name)
114      elif 0:
115          for method in do_methods:
116              write_msg(method)
117
118      # check do methods return void
119      for method in do_methods:
120          if (method.split()[0] != 'void'):
121              write_msg("-- ERROR: _do method does not return void:", method )
122
123      get_methods = filter(lambda x: object_name+'_get_' in x, object_methods)
124
125      set_methods = filter(lambda x: object_name+'_set_' in x, object_methods)
126      for method in set_methods:
127          if (method.split()[0] != 'uint_t'):
128              write_msg("-- ERROR: _set method does not return uint_t:", method )
129
130      other_methods = filter(lambda x: x not in new_methods, object_methods)
131      other_methods = filter(lambda x: x not in del_methods, other_methods)
132      other_methods = filter(lambda x: x not in    do_methods, other_methods)
133      other_methods = filter(lambda x: x not in get_methods, other_methods)
134      other_methods = filter(lambda x: x not in set_methods, other_methods)
135
136      if len(other_methods) > 0:
137          write_msg("-- WARNING: some methods for", object_name, "were unidentified")
138          for method in other_methods:
139              write_msg(method)
140
141
142      # generate this_object
143      short_name = object_name[len('aubio_'):]
144      if short_name in skip_objects:
145              write_msg("-- INFO: skipping object", short_name )
146              continue
147      if 1: #try:
148          s = gen_new_init(new_methods[0], short_name)
149          s += gen_do(do_methods[0], short_name)
150          s += gen_members(new_methods[0], short_name)
151          s += gen_methods(get_methods, set_methods, short_name)
152          s += gen_finish(short_name)
153          generated_filepath = os.path.join(output_path,'gen-'+short_name+'.c')
154          fd = open(generated_filepath, 'w')
155          fd.write(s)
156      #except Exception, e:
157      #        write_msg("-- ERROR:", type(e), str(e), "in", short_name)
158      #        continue
159      generated_objects += [this_object]
160
161  s = """// generated list of objects created with generator.py
162
163"""
164
165  types_ready = []
166  for each in generated_objects:
167      types_ready.append("  PyType_Ready (&Py_%sType) < 0" % \
168              each.replace('aubio_','').replace('_t','') )
169
170  s = """// generated list of objects created with generator.py
171
172#include "aubio-generated.h"
173"""
174
175  s += """
176int generated_types_ready (void)
177{
178  return (
179"""
180  s += ('\n     ||').join(types_ready)
181  s += """);
182}
183"""
184
185  s += """
186void add_generated_objects ( PyObject *m )
187{"""
188  for each in generated_objects:
189    s += """
190  Py_INCREF (&Py_%(name)sType);
191  PyModule_AddObject (m, "%(name)s", (PyObject *) & Py_%(name)sType);""" % \
192          { 'name': ( each.replace('aubio_','').replace('_t','') ) }
193
194  s += """
195}"""
196
197  fd = open(os.path.join(output_path,'aubio-generated.c'), 'w')
198  fd.write(s)
199
200  s = """// generated list of objects created with generator.py
201
202#include <Python.h>
203
204"""
205
206  for each in generated_objects:
207      s += "extern PyTypeObject Py_%sType;\n" % \
208              each.replace('aubio_','').replace('_t','')
209
210  s+= "int generated_objects ( void );\n"
211  s+= "void add_generated_objects( PyObject *m );\n"
212
213  fd = open(os.path.join(output_path,'aubio-generated.h'), 'w')
214  fd.write(s)
215
216  from os import listdir
217  generated_files = listdir(output_path)
218  generated_files = filter(lambda x: x.endswith('.c'), generated_files)
219  generated_files = [output_path+'/'+f for f in generated_files]
220  return generated_files
221
222if __name__ == '__main__':
223  generate_object_files('gen')
Note: See TracBrowser for help on using the repository browser.