source: interfaces/python/generator.py @ c71e405

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since c71e405 was c71e405, checked in by Paul Brossier <piem@piem.org>, 12 years ago

updated setup to generate files

  • Property mode set to 100755
File size: 6.1 KB
Line 
1#! /usr/bin/python
2
3""" This file generates a c file from a list of cpp prototypes. """
4
5import os, sys
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():
31
32  generated_objects = []
33  cpp_output, cpp_objects = get_cpp_objects()
34  skip_objects = ['fft', 'pvoc', 'filter', 'filterbank', 'resampler']
35
36  write_msg("-- INFO: %d objects in total" % len(cpp_objects))
37
38  for this_object in cpp_objects:
39      lint = 0
40   
41      if this_object[-2:] == '_t':
42          object_name = this_object[:-2]
43      else:
44          object_name = this_object
45          write_msg("-- WARNING: %s does not end in _t" % this_object)
46
47      if object_name[:len('aubio_')] != 'aubio_':
48          write_msg("-- WARNING: %s does not start n aubio_" % this_object)
49
50      write_msg("-- INFO: looking at", object_name)
51      object_methods = filter(lambda x: this_object in x, cpp_output)
52      object_methods = [a.strip() for a in object_methods]
53      object_methods = filter(lambda x: not x.startswith('typedef'), object_methods)
54      #for method in object_methods:
55      #    write_msg(method)
56      new_methods = filter(lambda x: 'new_'+object_name in x, object_methods)
57      if len(new_methods) > 1:
58          write_msg("-- WARNING: more than one new method for", object_name)
59          for method in new_methods:
60              write_msg(method)
61      elif len(new_methods) < 1:
62          write_msg("-- WARNING: no new method for", object_name)
63      elif 0:
64          for method in new_methods:
65              write_msg(method)
66
67      del_methods = filter(lambda x: 'del_'+object_name in x, object_methods)
68      if len(del_methods) > 1:
69          write_msg("-- WARNING: more than one del method for", object_name)
70          for method in del_methods:
71              write_msg(method)
72      elif len(del_methods) < 1:
73          write_msg("-- WARNING: no del method for", object_name)
74
75      do_methods = filter(lambda x: object_name+'_do' in x, object_methods)
76      if len(do_methods) > 1:
77          pass
78          #write_msg("-- WARNING: more than one do method for", object_name)
79          #for method in do_methods:
80          #    write_msg(method)
81      elif len(do_methods) < 1:
82          write_msg("-- WARNING: no do method for", object_name)
83      elif 0:
84          for method in do_methods:
85              write_msg(method)
86
87      # check do methods return void
88      for method in do_methods:
89          if (method.split()[0] != 'void'):
90              write_msg("-- ERROR: _do method does not return void:", method )
91
92      get_methods = filter(lambda x: object_name+'_get_' in x, object_methods)
93
94      set_methods = filter(lambda x: object_name+'_set_' in x, object_methods)
95      for method in set_methods:
96          if (method.split()[0] != 'uint_t'):
97              write_msg("-- ERROR: _set method does not return uint_t:", method )
98
99      other_methods = filter(lambda x: x not in new_methods, object_methods)
100      other_methods = filter(lambda x: x not in del_methods, other_methods)
101      other_methods = filter(lambda x: x not in    do_methods, other_methods)
102      other_methods = filter(lambda x: x not in get_methods, other_methods)
103      other_methods = filter(lambda x: x not in set_methods, other_methods)
104
105      if len(other_methods) > 0:
106          write_msg("-- WARNING: some methods for", object_name, "were unidentified")
107          for method in other_methods:
108              write_msg(method)
109
110
111      # generate this_object
112      if not os.path.isdir('generated'): os.mkdir('generated')
113      short_name = object_name[len('aubio_'):]
114      if short_name in skip_objects:
115              write_msg("-- INFO: skipping object", short_name )
116              continue
117      if 1: #try:
118          s = gen_new_init(new_methods[0], short_name)
119          s += gen_do(do_methods[0], short_name) 
120          s += gen_members(new_methods[0], short_name)
121          s += gen_methods(get_methods, set_methods, short_name)
122          s += gen_finish(short_name)
123          generated_filepath = 'generated/gen-'+short_name+'.c'
124          fd = open(generated_filepath, 'w')
125          fd.write(s)
126      #except Exception, e:
127      #        write_msg("-- ERROR:", type(e), str(e), "in", short_name)
128      #        continue
129      generated_objects += [this_object]
130
131  s = """// generated list of objects created with generator.py
132
133"""
134
135  for each in generated_objects:
136      s += "extern PyTypeObject Py_%sType;\n" % \
137              each.replace('aubio_','').replace('_t','')
138
139  types_ready = []
140  for each in generated_objects:
141      types_ready.append("  PyType_Ready (&Py_%sType) < 0" % \
142              each.replace('aubio_','').replace('_t','') )
143
144  s += """
145  int
146  generated_types_ready (void)
147  {
148    return (
149  """
150  s += ('\n     ||').join(types_ready)
151  s += """);
152  }
153  """
154
155  s += """
156  void
157  add_generated_objects ( PyObject *m )
158  {"""
159  for each in generated_objects:
160      s += """  Py_INCREF (&Py_%(name)sType);
161    PyModule_AddObject (m, "%(name)s", (PyObject *) & Py_%(name)sType);""" % \
162            { 'name': ( each.replace('aubio_','').replace('_t','') ) }
163
164  s += """
165  }"""
166
167  fd = open('generated/aubio-generated.h', 'w')
168  fd.write(s)
169
170  from os import listdir
171  generated_files = listdir('generated')
172  generated_files = filter(lambda x: x.endswith('.c'), generated_files)
173  generated_files = ['generated/'+f for f in generated_files]
174  return generated_files
175
176if __name__ == '__main__':
177  generate_object_files() 
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