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 for p in self.input_params:
237 defval = aubiodefvalue[name].replace('"','\\\"')
238 sig.append("{name}={defval}".format(defval=defval, name=name))
240 #ifndef PYAUBIO_{shortname}_doc
241 #define PYAUBIO_{shortname}_doc "{shortname}({sig})"
242 #endif /* PYAUBIO_{shortname}_doc */
244 static char Py_{shortname}_doc[] = ""
245 PYAUBIO_{shortname}_doc
248 return out.format(sig=', '.join(sig), **self.__dict__)
254 Py_{shortname}_new (PyTypeObject * pytype, PyObject * args, PyObject * kwds)
256 Py_{shortname} *self;
257 """.format(**self.__dict__)
258 params = self.input_params
261 {type} {name} = {defval};""".format(defval = param_init[p['type']], **p)
262 plist = ", ".join(["\"%s\"" % p['name'] for p in params])
264 static char *kwlist[] = {{ {plist}, NULL }};""".format(plist = plist)
265 argchars = "".join([pyargparse_chars[p['type']] for p in params])
266 arglist = ", ".join(["&%s" % p['name'] for p in params])
268 if (!PyArg_ParseTupleAndKeywords (args, kwds, "|{argchars}", kwlist,
272 """.format(argchars = argchars, arglist = arglist)
274 self = (Py_{shortname} *) pytype->tp_alloc (pytype, 0);
278 """.format(**self.__dict__)
279 params = self.input_params
281 out += self.check_valid(p)
283 return (PyObject *)self;
288 def check_valid(self, p):
289 if p['type'] == 'uint_t':
290 return self.check_valid_uint(p)
291 if p['type'] == 'char_t*':
292 return self.check_valid_char(p)
294 print ("ERROR, no idea how to check %s for validity" % p['type'])
296 def check_valid_uint(self, p):
299 self->{name} = {defval};
300 if ((sint_t){name} > 0) {{
301 self->{name} = {name};
302 }} else if ((sint_t){name} < 0) {{
303 PyErr_SetString (PyExc_ValueError, "can not use negative value for {name}");
306 """.format(defval = aubiodefvalue[name], name = name)
308 def check_valid_char(self, p):
311 self->{name} = {defval};
312 if ({name} != NULL) {{
313 self->{name} = {name};
315 """.format(defval = aubiodefvalue[name], name = name)
321 Py_{shortname}_init (Py_{shortname} * self, PyObject * args, PyObject * kwds)
323 """.format(**self.__dict__)
324 new_name = get_name(self.new_proto)
325 new_params = ", ".join(["self->%s" % s['name'] for s in self.input_params])
327 self->o = {new_name}({new_params});
328 """.format(new_name = new_name, new_params = new_params)
330 paramvals = "self->method"
332 // return -1 and set error string on failure
333 if (self->o == NULL) {{
334 PyErr_Format (PyExc_RuntimeError, "failed creating {shortname}");
337 """.format(paramchars = paramchars, paramvals = paramvals, **self.__dict__)
339 for o in self.outputs:
341 self->{name} = {create_fn}({output_size});""".format(name = o['name'], create_fn = newfromtype_fn[o['type']], output_size = objoutsize[self.shortname])
343 // TODO get internal params after actual object creation?
346 // create outputs{output_create}
347 """.format(output_create = output_create)
354 def gen_memberdef(self):
356 static PyMemberDef Py_{shortname}_members[] = {{
357 """.format(**self.__dict__)
358 for p in get_params_types_names(self.new_proto):
359 tmp = " {{\"{name}\", {ttype}, offsetof (Py_{shortname}, {name}), READONLY, \"TODO documentation\"}},\n"
360 pytype = member_types[p['type']]
361 out += tmp.format(name = p['name'], ttype = pytype, shortname = self.shortname)
362 out += """ {NULL}, // sentinel
371 Py_{shortname}_del (Py_{shortname} * self, PyObject * unused)
372 {{""".format(**self.__dict__)
373 for input_param in self.do_inputs:
374 if input_param['type'] == 'fmat_t *':
376 free(self->{0[name]}.data);""".format(input_param)
377 for o in self.outputs:
379 del_out = delfromtype_fn[o['type']]
382 {del_out}(self->{name});
383 }}""".format(del_out = del_out, name = name)
384 del_fn = get_name(self.del_proto)
389 Py_TYPE(self)->tp_free((PyObject *) self);
391 """.format(del_fn = del_fn)
394 def gen_do(self, method = 'do'):
398 Pyaubio_{shortname}_{method} (Py_{shortname} * self, PyObject * args)
399 {{""".format(method = method, **self.__dict__)
400 input_params = self.do_inputs
401 output_params = self.do_outputs
405 PyObject *outputs;"""
406 for input_param in input_params:
408 PyObject *py_{0};""".format(input_param['name'])
409 refs = ", ".join(["&py_%s" % p['name'] for p in input_params])
410 pyparamtypes = "".join([pyargparse_chars[p['type']] for p in input_params])
412 if (!PyArg_ParseTuple (args, "{pyparamtypes}", {refs})) {{
414 }}""".format(refs = refs, pyparamtypes = pyparamtypes, **self.__dict__)
415 for input_param in input_params:
418 if (!{pytoaubio}(py_{0[name]}, &(self->{0[name]}))) {{
420 }}""".format(input_param, pytoaubio = pytoaubio_fn[input_param['type']])
421 if self.shortname in objinputsize:
424 if (self->{0[name]}.length != {expected_size}) {{
425 PyErr_Format (PyExc_ValueError,
426 "input size of {shortname} should be %d, not %d",
427 {expected_size}, self->{0[name]}.length);
429 }}""".format(input_param, expected_size = objinputsize[self.shortname], **self.__dict__)
433 // TODO: check input sizes"""
434 for output_param in output_params:
437 Py_INCREF(self->{0[name]});
438 if (!{pytoaubio}(self->{0[name]}, &(self->c_{0[name]}))) {{
440 }}""".format(output_param, pytoaubio = pytoaubio_fn[output_param['type']])
441 do_fn = get_name(self.do_proto)
442 inputs = ", ".join(['&(self->'+p['name']+')' for p in input_params])
443 c_outputs = ", ".join(["&(self->c_%s)" % p['name'] for p in self.do_outputs])
444 outputs = ", ".join(["self->%s" % p['name'] for p in self.do_outputs])
447 {do_fn}(self->o, {inputs}, {c_outputs});
450 inputs = inputs, c_outputs = c_outputs,
452 if len(self.do_outputs) > 1:
454 outputs = PyTuple_New({:d});""".format(len(self.do_outputs))
455 for i, p in enumerate(self.do_outputs):
457 PyTuple_SetItem( outputs, {i}, self->{p[name]});""".format(i = i, p = p)
460 outputs = self->{p[name]};""".format(p = self.do_outputs[0])
472 // {shortname} setters
473 """.format(**self.__dict__)
474 for set_param in self.prototypes['set']:
475 params = get_params_types_names(set_param)[1:]
476 param = self.shortname.split('_set_')[-1]
477 paramdecls = "".join(["""
478 {0} {1};""".format(p['type'], p['name']) for p in params])
479 method_name = get_name(set_param)
480 param = method_name.split('aubio_'+self.shortname+'_set_')[-1]
481 refs = ", ".join(["&%s" % p['name'] for p in params])
482 paramlist = ", ".join(["%s" % p['name'] for p in params])
484 paramlist = "," + paramlist
485 pyparamtypes = ''.join([pyargparse_chars[p['type']] for p in params])
488 Pyaubio_{shortname}_set_{param} (Py_{shortname} *self, PyObject *args)
492 """.format(param = param, paramdecls = paramdecls, **self.__dict__)
494 if len(refs) and len(pyparamtypes):
497 if (!PyArg_ParseTuple (args, "{pyparamtypes}", {refs})) {{
500 """.format(pyparamtypes = pyparamtypes, refs = refs)
503 err = aubio_{shortname}_set_{param} (self->o {paramlist});
506 if (PyErr_Occurred() == NULL) {{
507 PyErr_SetString (PyExc_ValueError, "error running aubio_{shortname}_set_{param}");
509 // change the RuntimeError into ValueError
510 PyObject *type, *value, *traceback;
511 PyErr_Fetch(&type, &value, &traceback);
512 PyErr_Restore(PyExc_ValueError, value, traceback);
518 """.format(param = param, refs = refs, paramdecls = paramdecls,
519 pyparamtypes = pyparamtypes, paramlist = paramlist, **self.__dict__)
524 // {shortname} getters
525 """.format(**self.__dict__)
526 for method in self.prototypes['get']:
527 params = get_params_types_names(method)
528 method_name = get_name(method)
529 assert len(params) == 1, \
530 "get method has more than one parameter %s" % params
531 param = method_name.split('aubio_'+self.shortname+'_get_')[-1]
532 paramtype = get_return_type(method)
533 ptypeconv = pyfromtype_fn[paramtype]
536 Pyaubio_{shortname}_get_{param} (Py_{shortname} *self, PyObject *unused)
538 {ptype} {param} = aubio_{shortname}_get_{param} (self->o);
539 return (PyObject *){ptypeconv} ({param});
541 """.format(param = param, ptype = paramtype, ptypeconv = ptypeconv,
545 def gen_methodef(self):
547 static PyMethodDef Py_{shortname}_methods[] = {{""".format(**self.__dict__)
548 for m in self.prototypes['set']:
550 shortname = name.replace('aubio_%s_' % self.shortname, '')
552 {{"{shortname}", (PyCFunction) Py{name},
553 METH_VARARGS, ""}},""".format(name = name, shortname = shortname)
554 for m in self.prototypes['get']:
556 shortname = name.replace('aubio_%s_' % self.shortname, '')
558 {{"{shortname}", (PyCFunction) Py{name},
559 METH_NOARGS, ""}},""".format(name = name, shortname = shortname)
560 for m in self.prototypes['rdo']:
562 shortname = name.replace('aubio_%s_' % self.shortname, '')
564 {{"{shortname}", (PyCFunction) Py{name},
565 METH_VARARGS, ""}},""".format(name = name, shortname = shortname)
567 {NULL} /* sentinel */
572 def gen_typeobject(self):
574 PyTypeObject Py_{shortname}Type = {{
575 //PyObject_HEAD_INIT (NULL)
577 PyVarObject_HEAD_INIT (NULL, 0)
579 sizeof (Py_{shortname}),
581 (destructor) Py_{shortname}_del,
591 (ternaryfunc)Pyaubio_{shortname}_do,
604 Py_{shortname}_methods,
605 Py_{shortname}_members,
612 (initproc) Py_{shortname}_init,
625 """.format(**self.__dict__)