shithub: aubio

Download patch

ref: 7d9ec37be3d6cf0544cfee2f6c87d7afe2d80a92
parent: ce4bfe366579fd15a7fe5a68f35e23fb3ddd442c
author: Paul Brossier <piem@piem.org>
date: Thu Dec 24 23:49:25 EST 2009

py-fvec.c removed

--- a/interfaces/python/py-fvec.c
+++ /dev/null
@@ -1,293 +1,0 @@
-#include "aubio-types.h"
-
-/* fvec type definition 
-
-class fvec():
-    def __init__(self, length = 1024):
-        self.length = length 
-        self.data = array(length)
-
-*/
-
-static char Py_fvec_doc[] = "fvec object";
-
-static PyObject *
-Py_fvec_new (PyTypeObject * type, PyObject * args, PyObject * kwds)
-{
-  int length= 0;
-  Py_fvec *self;
-  static char *kwlist[] = { "length", NULL };
-
-  if (!PyArg_ParseTupleAndKeywords (args, kwds, "|I", kwlist,
-          &length)) {
-    return NULL;
-  }
-
-  self = (Py_fvec *) type->tp_alloc (type, 0);
-
-  self->length = Py_default_vector_length;
-
-  if (self == NULL) {
-    return NULL;
-  }
-
-  if (length > 0) {
-    self->length = length;
-  } else if (length < 0) {
-    PyErr_SetString (PyExc_ValueError,
-        "can not use negative number of elements");
-    return NULL;
-  }
-
-  return (PyObject *) self;
-}
-
-static int
-Py_fvec_init (Py_fvec * self, PyObject * args, PyObject * kwds)
-{
-  self->o = new_fvec (self->length);
-  if (self->o == NULL) {
-    return -1;
-  }
-
-  return 0;
-}
-
-static void
-Py_fvec_del (Py_fvec * self)
-{
-  del_fvec (self->o);
-  self->ob_type->tp_free ((PyObject *) self);
-}
-
-static PyObject *
-Py_fvec_repr (Py_fvec * self, PyObject * unused)
-{
-#if 0
-  PyObject *format = NULL;
-  PyObject *args = NULL;
-  PyObject *result = NULL;
-
-  format = PyString_FromString ("aubio fvec of %d elements");
-  if (format == NULL) {
-    goto fail;
-  }
-
-  args = Py_BuildValue ("I", self->length);
-  if (args == NULL) {
-    goto fail;
-  }
-  fvec_print ( self->o );
-
-  result = PyString_Format (format, args);
-
-fail:
-  Py_XDECREF (format);
-  Py_XDECREF (args);
-
-  return result;
-#endif
-  PyObject *format = NULL;
-  PyObject *args = NULL;
-  PyObject *result = NULL;
-
-  format = PyString_FromString ("%s");
-  if (format == NULL) {
-    goto fail;
-  }
-
-  args = Py_BuildValue ("O", PyAubio_FvecToArray (self));
-  if (args == NULL) {
-    goto fail;
-  }
-
-  result = PyString_Format (format, args);
-fail:
-  Py_XDECREF (format);
-  Py_XDECREF (args);
-
-  return result;
-}
-
-Py_fvec *
-PyAubio_ArrayToFvec (PyObject *input) {
-  PyObject *array;
-  Py_fvec *vec;
-  if (input == NULL) {
-    PyErr_SetString (PyExc_ValueError, "input array is not a python object");
-    goto fail;
-  }
-  // parsing input object into a Py_fvec
-  if (PyObject_TypeCheck (input, &Py_fvecType)) {
-    // input is an fvec, nothing else to do
-    vec = (Py_fvec *) input;
-  } else if (PyArray_Check(input)) {
-
-    // we got an array, convert it to an fvec 
-    if (PyArray_NDIM (input) == 0) {
-      PyErr_SetString (PyExc_ValueError, "input array is a scalar");
-      goto fail;
-    } else if (PyArray_NDIM (input) > 1) {
-      PyErr_SetString (PyExc_ValueError,
-          "input array has more than one dimensions");
-      goto fail;
-    }
-
-    if (!PyArray_ISFLOAT (input)) {
-      PyErr_SetString (PyExc_ValueError, "input array should be float");
-      goto fail;
-    } else if (PyArray_TYPE (input) != AUBIO_NPY_SMPL) {
-      PyErr_SetString (PyExc_ValueError, "input array should be float32");
-      goto fail;
-    } else {
-      // input data type is float32, nothing else to do
-      array = input;
-    }
-
-    // create a new fvec object
-    vec = (Py_fvec*) PyObject_New (Py_fvec, &Py_fvecType); 
-    vec->length = PyArray_SIZE (array);
-
-    // no need to really allocate fvec, just its struct member 
-    // vec->o = new_fvec (vec->length);
-    vec->o = (fvec_t *)malloc(sizeof(fvec_t));
-    vec->o->length = vec->length;
-    vec->o->data = (smpl_t *) PyArray_GETPTR1 (array, 0);
-
-  } else if (PyObject_TypeCheck (input, &PyList_Type)) {
-    PyErr_SetString (PyExc_ValueError, "does not convert from list yet");
-    return NULL;
-  } else {
-    PyErr_SetString (PyExc_ValueError, "can only accept vector or fvec as input");
-    return NULL;
-  }
-
-  return vec;
-
-fail:
-  return NULL;
-}
-
-PyObject *
-PyAubio_CFvecToArray (fvec_t * self)
-{
-  npy_intp dims[] = { self->length, 1 };
-  return  PyArray_SimpleNewFromData (1, dims, AUBIO_NPY_SMPL, self->data);
-}
-
-PyObject *
-PyAubio_FvecToArray (Py_fvec * self)
-{
-  PyObject *array = NULL;
-  npy_intp dims[] = { self->length, 1 };
-  array = PyArray_SimpleNewFromData (1, dims, AUBIO_NPY_SMPL, self->o->data);
-  return array;
-}
-
-static PyObject *
-Py_fvec_getitem (Py_fvec * self, Py_ssize_t index)
-{
-  if (index < 0 || index >= self->length) {
-    PyErr_SetString (PyExc_IndexError, "no such element");
-    return NULL;
-  }
-
-  return PyFloat_FromDouble (self->o->data[index]);
-}
-
-static int
-Py_fvec_setitem (Py_fvec * self, Py_ssize_t index, PyObject * o)
-{
-
-  if (index < 0 || index >= self->length) {
-    PyErr_SetString (PyExc_IndexError, "no such element");
-    goto fail;
-  }
-
-  if (PyFloat_Check (o)) {
-    PyErr_SetString (PyExc_ValueError, "should be a float");
-    goto fail;
-  }
-
-  self->o->data[index] = (smpl_t) PyFloat_AsDouble(o);
-
-  return 0;
-
-fail:
-  return -1;
-}
-
-int
-Py_fvec_get_length (Py_fvec * self)                                                                                                                                     
-{                                                                                                                                                                        
-  return self->length;                                                                                                                                                 
-}
-
-static PyMemberDef Py_fvec_members[] = {
-  // TODO remove READONLY flag and define getter/setter
-  {"length", T_INT, offsetof (Py_fvec, length), READONLY,
-      "length attribute"},
-  {NULL}                        /* Sentinel */
-};
-
-static PyMethodDef Py_fvec_methods[] = {
-  {"__array__", (PyCFunction) PyAubio_FvecToArray, METH_NOARGS,
-      "Returns the vector as a numpy array."},
-  {NULL}
-};
-
-static PySequenceMethods Py_fvec_tp_as_sequence = {
-  (lenfunc) Py_fvec_get_length,        /* sq_length         */
-  0,                                    /* sq_concat         */
-  0,                                    /* sq_repeat         */
-  (ssizeargfunc) Py_fvec_getitem,       /* sq_item           */
-  0,                                    /* sq_slice          */
-  (ssizeobjargproc) Py_fvec_setitem,    /* sq_ass_item       */
-  0,                                    /* sq_ass_slice      */
-  0,                                    /* sq_contains       */
-  0,                                    /* sq_inplace_concat */
-  0,                                    /* sq_inplace_repeat */
-};
-
-
-PyTypeObject Py_fvecType = {
-  PyObject_HEAD_INIT (NULL)
-  0,                            /* ob_size           */
-  "aubio.fvec",                 /* tp_name           */
-  sizeof (Py_fvec),             /* tp_basicsize      */
-  0,                            /* tp_itemsize       */
-  (destructor) Py_fvec_del,     /* tp_dealloc        */
-  0,                            /* tp_print          */
-  0,                            /* tp_getattr        */
-  0,                            /* tp_setattr        */
-  0,                            /* tp_compare        */
-  (reprfunc) Py_fvec_repr,      /* tp_repr           */
-  0,                            /* tp_as_number      */
-  &Py_fvec_tp_as_sequence,      /* tp_as_sequence    */
-  0,                            /* tp_as_mapping     */
-  0,                            /* tp_hash           */
-  0,                            /* tp_call           */
-  0,                            /* tp_str            */
-  0,                            /* tp_getattro       */
-  0,                            /* tp_setattro       */
-  0,                            /* tp_as_buffer      */
-  Py_TPFLAGS_DEFAULT,           /* tp_flags          */
-  Py_fvec_doc,                  /* tp_doc            */
-  0,                            /* tp_traverse       */
-  0,                            /* tp_clear          */
-  0,                            /* tp_richcompare    */
-  0,                            /* tp_weaklistoffset */
-  0,                            /* tp_iter           */
-  0,                            /* tp_iternext       */
-  Py_fvec_methods,              /* tp_methods        */
-  Py_fvec_members,              /* tp_members        */
-  0,                            /* tp_getset         */
-  0,                            /* tp_base           */
-  0,                            /* tp_dict           */
-  0,                            /* tp_descr_get      */
-  0,                            /* tp_descr_set      */
-  0,                            /* tp_dictoffset     */
-  (initproc) Py_fvec_init,      /* tp_init           */
-  0,                            /* tp_alloc          */
-  Py_fvec_new,                  /* tp_new            */
-};