2 # we have some clean up to do
3 'buf_size': 'Py_default_vector_length',
4 'win_s': 'Py_default_vector_length',
5 'size': 'Py_default_vector_length',
7 'hop_size': 'Py_default_vector_length / 2',
8 'hop_s': 'Py_default_vector_length / 2',
9 # these should be alright
10 'samplerate': 'Py_aubio_default_samplerate',
11 # now for the non obvious ones
21 'method': '"default"',
27 'char_t*': 'T_STRING',
29 'smpl_t': 'AUBIO_NPY_SMPL',
33 'smpl_t': 'PyFloat_FromDouble',
34 'uint_t': 'PyLong_FromLong', # was: 'PyInt_FromLong',
35 'fvec_t*': 'PyAubio_CFvecToArray',
36 'fmat_t*': 'PyAubio_CFmatToArray',
40 'fvec_t*': 'PyAubio_ArrayToCFvec',
41 'cvec_t*': 'PyAubio_PyCvecToCCvec',
42 #'fmat_t*': 'PyAubio_ArrayToCFmat',
46 'fvec_t*': 'new_py_fvec',
47 'fmat_t*': 'new_py_fmat',
48 'cvec_t*': 'new_py_cvec',
52 'fvec_t*': 'Py_DECREF',
53 'fmat_t*': 'Py_DECREF',
54 'cvec_t*': 'Py_DECREF',
66 'smpl_t': 'f', # if not usedouble else 'd',
79 'wavetable': 'self->hop_size',
80 'sampler': 'self->hop_size',
81 'mfcc': 'self->n_coeffs',
84 'filterbank': 'self->n_filters',
85 'tss': 'self->buf_size',
90 'mfcc': 'self->buf_size / 2 + 1',
91 'notes': 'self->hop_size',
92 'onset': 'self->hop_size',
93 'pitch': 'self->hop_size',
94 'sampler': 'self->hop_size',
95 'specdesc': 'self->buf_size / 2 + 1',
96 'tempo': 'self->hop_size',
97 'wavetable': 'self->hop_size',
98 'tss': 'self->buf_size / 2 + 1',
102 name = proto.replace(' *', '* ').split()[1].split('(')[0]
103 name = name.replace('*','')
104 if name == '': raise ValueError(proto + "gave empty name")
107 def get_return_type(proto):
109 paramregex = re.compile('(\w+ ?\*?).*')
110 outputs = paramregex.findall(proto)
111 assert len(outputs) == 1
112 return outputs[0].replace(' ', '')
115 """ arg = 'foo *name'
116 return ['foo*', 'name'] """
118 type_arg = {} #'type': l[0], 'name': l[1]}
119 type_arg['type'] = " ".join(l[:-1])
120 type_arg['name'] = l[-1]
122 if type_arg['name'].startswith('*'):
123 # ['foo', '*name'] -> ['foo*', 'name']
124 type_arg['type'] += '*'
125 type_arg['name'] = type_arg['name'][1:]
126 if type_arg['type'].endswith(' *'):
127 # ['foo *', 'name'] -> ['foo*', 'name']
128 type_arg['type'] = type_arg['type'].replace(' *','*')
129 if type_arg['type'].startswith('const '):
130 # ['foo *', 'name'] -> ['foo*', 'name']
131 type_arg['type'] = type_arg['type'].replace('const ','')
134 def get_params(proto):
135 """ get the list of parameters from a function prototype
136 example: proto = "int main (int argc, char ** argv)"
137 returns: ['int argc', 'char ** argv']
140 paramregex = re.compile('.*\((.*)\);')
141 a = paramregex.findall(proto)[0].split(', ')
142 #a = [i.replace('const ', '') for i in a]
145 def get_input_params(proto):
146 a = get_params(proto)
147 return [i.replace('const ', '') for i in a if (i.startswith('const ') or i.startswith('uint_t ') or i.startswith('smpl_t '))]
149 def get_output_params(proto):
150 a = get_params(proto)
151 return [i for i in a if not i.startswith('const ')][1:]
153 def get_params_types_names(proto):
154 """ get the list of parameters from a function prototype
155 example: proto = "int main (int argc, char ** argv)"
156 returns: [['int', 'argc'], ['char **','argv']]
158 a = list(map(split_type, get_params(proto)))
160 #import sys; sys.exit(1)
163 class MappedObject(object):
165 def __init__(self, prototypes, usedouble = False):
167 pyargparse_chars['smpl_t'] = 'd'
168 self.prototypes = prototypes
170 self.shortname = prototypes['shortname']
171 self.longname = prototypes['longname']
172 self.new_proto = prototypes['new'][0]
173 self.del_proto = prototypes['del'][0]
174 self.do_proto = prototypes['do'][0]
175 self.input_params = get_params_types_names(self.new_proto)
176 self.input_params_list = "; ".join(get_input_params(self.new_proto))
177 self.outputs = get_params_types_names(self.do_proto)[2:]
178 self.do_inputs = [get_params_types_names(self.do_proto)[1]]
179 self.do_outputs = get_params_types_names(self.do_proto)[2:]
180 struct_output_str = ["PyObject *{0[name]}; {1} c_{0[name]}".format(i, i['type'][:-1]) for i in self.do_outputs]
181 if len(self.prototypes['rdo']):
182 rdo_outputs = get_params_types_names(prototypes['rdo'][0])[2:]
183 struct_output_str += ["PyObject *{0[name]}; {1} c_{0[name]}".format(i, i['type'][:-1]) for i in rdo_outputs]
184 self.outputs += rdo_outputs
185 self.struct_outputs = ";\n ".join(struct_output_str)
187 #print ("input_params: ", map(split_type, get_input_params(self.do_proto)))
188 #print ("output_params", map(split_type, get_output_params(self.do_proto)))
193 out += self.gen_struct()
194 out += self.gen_doc()
195 out += self.gen_new()
196 out += self.gen_init()
197 out += self.gen_del()
199 if len(self.prototypes['rdo']):
200 self.do_proto = self.prototypes['rdo'][0]
201 self.do_inputs = [get_params_types_names(self.do_proto)[1]]
202 self.do_outputs = get_params_types_names(self.do_proto)[2:]
203 out += self.gen_do(method='rdo')
204 out += self.gen_memberdef()
205 out += self.gen_set()
206 out += self.gen_get()
207 out += self.gen_methodef()
208 out += self.gen_typeobject()
209 except Exception as e:
210 print ("Failed generating code for", self.shortname)
214 def gen_struct(self):
216 // {shortname} structure
219 // pointer to aubio object
229 # fmat_t* / fvec_t* / cvec_t* inputs -> full fvec_t /.. struct in Py_{shortname}
230 do_inputs_list = "; ".join(get_input_params(self.do_proto)).replace('fvec_t *','fvec_t').replace('fmat_t *', 'fmat_t').replace('cvec_t *', 'cvec_t')
231 return out.format(do_inputs_list = do_inputs_list, **self.__dict__)
235 // TODO: add documentation
236 static char Py_{shortname}_doc[] = \"undefined\";
238 return out.format(**self.__dict__)
244 Py_{shortname}_new (PyTypeObject * pytype, PyObject * args, PyObject * kwds)
246 Py_{shortname} *self;
247 """.format(**self.__dict__)
248 params = self.input_params
251 {type} {name} = {defval};""".format(defval = param_init[p['type']], **p)
252 plist = ", ".join(["\"%s\"" % p['name'] for p in params])
254 static char *kwlist[] = {{ {plist}, NULL }};""".format(plist = plist)
255 argchars = "".join([pyargparse_chars[p['type']] for p in params])
256 arglist = ", ".join(["&%s" % p['name'] for p in params])
258 if (!PyArg_ParseTupleAndKeywords (args, kwds, "|{argchars}", kwlist,
262 """.format(argchars = argchars, arglist = arglist)
264 self = (Py_{shortname} *) pytype->tp_alloc (pytype, 0);
268 """.format(**self.__dict__)
269 params = self.input_params
271 out += self.check_valid(p)
273 return (PyObject *)self;
278 def check_valid(self, p):
279 if p['type'] == 'uint_t':
280 return self.check_valid_uint(p)
281 if p['type'] == 'char_t*':
282 return self.check_valid_char(p)
284 print ("ERROR, no idea how to check %s for validity" % p['type'])
286 def check_valid_uint(self, p):
289 self->{name} = {defval};
290 if ((sint_t){name} > 0) {{
291 self->{name} = {name};
292 }} else if ((sint_t){name} < 0) {{
293 PyErr_SetString (PyExc_ValueError, "can not use negative value for {name}");
296 """.format(defval = aubiodefvalue[name], name = name)
298 def check_valid_char(self, p):
301 self->{name} = {defval};
302 if ({name} != NULL) {{
303 self->{name} = {name};
305 """.format(defval = aubiodefvalue[name], name = name)
311 Py_{shortname}_init (Py_{shortname} * self, PyObject * args, PyObject * kwds)
313 """.format(**self.__dict__)
314 new_name = get_name(self.new_proto)
315 new_params = ", ".join(["self->%s" % s['name'] for s in self.input_params])
317 self->o = {new_name}({new_params});
318 """.format(new_name = new_name, new_params = new_params)
320 paramvals = "self->method"
322 // return -1 and set error string on failure
323 if (self->o == NULL) {{
324 PyErr_Format (PyExc_RuntimeError, "failed creating {shortname}");
327 """.format(paramchars = paramchars, paramvals = paramvals, **self.__dict__)
329 for o in self.outputs:
331 self->{name} = {create_fn}({output_size});""".format(name = o['name'], create_fn = newfromtype_fn[o['type']], output_size = objoutsize[self.shortname])
333 // TODO get internal params after actual object creation?
336 // create outputs{output_create}
337 """.format(output_create = output_create)
344 def gen_memberdef(self):
346 static PyMemberDef Py_{shortname}_members[] = {{
347 """.format(**self.__dict__)
348 for p in get_params_types_names(self.new_proto):
349 tmp = " {{\"{name}\", {ttype}, offsetof (Py_{shortname}, {name}), READONLY, \"TODO documentation\"}},\n"
350 pytype = member_types[p['type']]
351 out += tmp.format(name = p['name'], ttype = pytype, shortname = self.shortname)
352 out += """ {NULL}, // sentinel
361 Py_{shortname}_del (Py_{shortname} * self, PyObject * unused)
362 {{""".format(**self.__dict__)
363 for input_param in self.do_inputs:
364 if input_param['type'] == 'fmat_t *':
366 free(self->{0[name]}.data);""".format(input_param)
367 for o in self.outputs:
369 del_out = delfromtype_fn[o['type']]
372 {del_out}(self->{name});
373 }}""".format(del_out = del_out, name = name)
374 del_fn = get_name(self.del_proto)
379 Py_TYPE(self)->tp_free((PyObject *) self);
381 """.format(del_fn = del_fn)
384 def gen_do(self, method = 'do'):
388 Pyaubio_{shortname}_{method} (Py_{shortname} * self, PyObject * args)
389 {{""".format(method = method, **self.__dict__)
390 input_params = self.do_inputs
391 output_params = self.do_outputs
395 PyObject *outputs;"""
396 for input_param in input_params:
398 PyObject *py_{0};""".format(input_param['name'])
399 refs = ", ".join(["&py_%s" % p['name'] for p in input_params])
400 pyparamtypes = "".join([pyargparse_chars[p['type']] for p in input_params])
402 if (!PyArg_ParseTuple (args, "{pyparamtypes}", {refs})) {{
404 }}""".format(refs = refs, pyparamtypes = pyparamtypes, **self.__dict__)
405 for input_param in input_params:
408 if (!{pytoaubio}(py_{0[name]}, &(self->{0[name]}))) {{
410 }}""".format(input_param, pytoaubio = pytoaubio_fn[input_param['type']])
411 if self.shortname in objinputsize:
414 if (self->{0[name]}.length != {expected_size}) {{
415 PyErr_Format (PyExc_ValueError,
416 "input size of {shortname} should be %d, not %d",
417 {expected_size}, self->{0[name]}.length);
419 }}""".format(input_param, expected_size = objinputsize[self.shortname], **self.__dict__)
423 // TODO: check input sizes"""
424 for output_param in output_params:
427 Py_INCREF(self->{0[name]});
428 if (!{pytoaubio}(self->{0[name]}, &(self->c_{0[name]}))) {{
430 }}""".format(output_param, pytoaubio = pytoaubio_fn[output_param['type']])
431 do_fn = get_name(self.do_proto)
432 inputs = ", ".join(['&(self->'+p['name']+')' for p in input_params])
433 c_outputs = ", ".join(["&(self->c_%s)" % p['name'] for p in self.do_outputs])
434 outputs = ", ".join(["self->%s" % p['name'] for p in self.do_outputs])
437 {do_fn}(self->o, {inputs}, {c_outputs});
440 inputs = inputs, c_outputs = c_outputs,
442 if len(self.do_outputs) > 1:
444 outputs = PyTuple_New({:d});""".format(len(self.do_outputs))
445 for i, p in enumerate(self.do_outputs):
447 PyTuple_SetItem( outputs, {i}, self->{p[name]});""".format(i = i, p = p)
450 outputs = self->{p[name]};""".format(p = self.do_outputs[0])
462 // {shortname} setters
463 """.format(**self.__dict__)
464 for set_param in self.prototypes['set']:
465 params = get_params_types_names(set_param)[1:]
466 param = self.shortname.split('_set_')[-1]
467 paramdecls = "".join(["""
468 {0} {1};""".format(p['type'], p['name']) for p in params])
469 method_name = get_name(set_param)
470 param = method_name.split('aubio_'+self.shortname+'_set_')[-1]
471 refs = ", ".join(["&%s" % p['name'] for p in params])
472 paramlist = ", ".join(["%s" % p['name'] for p in params])
474 paramlist = "," + paramlist
475 pyparamtypes = ''.join([pyargparse_chars[p['type']] for p in params])
478 Pyaubio_{shortname}_set_{param} (Py_{shortname} *self, PyObject *args)
482 """.format(param = param, paramdecls = paramdecls, **self.__dict__)
484 if len(refs) and len(pyparamtypes):
487 if (!PyArg_ParseTuple (args, "{pyparamtypes}", {refs})) {{
490 """.format(pyparamtypes = pyparamtypes, refs = refs)
493 err = aubio_{shortname}_set_{param} (self->o {paramlist});
496 if (PyErr_Occurred() == NULL) {{
497 PyErr_SetString (PyExc_ValueError, "error running aubio_{shortname}_set_{param}");
499 // change the RuntimeError into ValueError
500 PyObject *type, *value, *traceback;
501 PyErr_Fetch(&type, &value, &traceback);
502 PyErr_Restore(PyExc_ValueError, value, traceback);
508 """.format(param = param, refs = refs, paramdecls = paramdecls,
509 pyparamtypes = pyparamtypes, paramlist = paramlist, **self.__dict__)
514 // {shortname} getters
515 """.format(**self.__dict__)
516 for method in self.prototypes['get']:
517 params = get_params_types_names(method)
518 method_name = get_name(method)
519 assert len(params) == 1, \
520 "get method has more than one parameter %s" % params
521 param = method_name.split('aubio_'+self.shortname+'_get_')[-1]
522 paramtype = get_return_type(method)
523 ptypeconv = pyfromtype_fn[paramtype]
526 Pyaubio_{shortname}_get_{param} (Py_{shortname} *self, PyObject *unused)
528 {ptype} {param} = aubio_{shortname}_get_{param} (self->o);
529 return (PyObject *){ptypeconv} ({param});
531 """.format(param = param, ptype = paramtype, ptypeconv = ptypeconv,
535 def gen_methodef(self):
537 static PyMethodDef Py_{shortname}_methods[] = {{""".format(**self.__dict__)
538 for m in self.prototypes['set']:
540 shortname = name.replace('aubio_%s_' % self.shortname, '')
542 {{"{shortname}", (PyCFunction) Py{name},
543 METH_VARARGS, ""}},""".format(name = name, shortname = shortname)
544 for m in self.prototypes['get']:
546 shortname = name.replace('aubio_%s_' % self.shortname, '')
548 {{"{shortname}", (PyCFunction) Py{name},
549 METH_NOARGS, ""}},""".format(name = name, shortname = shortname)
550 for m in self.prototypes['rdo']:
552 shortname = name.replace('aubio_%s_' % self.shortname, '')
554 {{"{shortname}", (PyCFunction) Py{name},
555 METH_VARARGS, ""}},""".format(name = name, shortname = shortname)
557 {NULL} /* sentinel */
562 def gen_typeobject(self):
564 PyTypeObject Py_{shortname}Type = {{
565 //PyObject_HEAD_INIT (NULL)
567 PyVarObject_HEAD_INIT (NULL, 0)
569 sizeof (Py_{shortname}),
571 (destructor) Py_{shortname}_del,
581 (ternaryfunc)Pyaubio_{shortname}_do,
594 Py_{shortname}_methods,
595 Py_{shortname}_members,
602 (initproc) Py_{shortname}_init,
615 """.format(**self.__dict__)