static PyObject *
PyBlosc_compress(PyObject *self, PyObject *args)
{
Py_buffer view;
PyObject *output;
void *input;
size_t nbytes, typesize;
int clevel, shuffle;
char *cname;
const char *format;
/* Accept some kind of input followed by
* typesize, clevel, shuffle and cname */
#if PY_MAJOR_VERSION <= 2
/* s* : bytes like object including unicode and anything that supports
* the buffer interface */
format = "s*niis:compress";
#elif PY_MAJOR_VERSION >= 3
/* y* :bytes like object EXCLUDING unicode and anything that supports
* the buffer interface. This is the recommended way to accept binary
* data in Python 3. */
format = "y*niis:compress";
#endif
if (!PyArg_ParseTuple(args, format , &view,
&typesize, &clevel, &shuffle, &cname))
return NULL;
nbytes = view.len;
input = view.buf;
output = compress_helper(input, nbytes, typesize, clevel, shuffle, cname);
PyBuffer_Release(&view);
return output;
}
static PyObject *
PyBlosc_compress(PyObject *self, PyObject *args)
{
void *input;
size_t nbytes, typesize;
int clevel, shuffle;
char *cname;
/* require Python string object, typesize, clevel and shuffle agrs */
if (!PyArg_ParseTuple(args, "s#niis:compress", &input, &nbytes,
&typesize, &clevel, &shuffle, &cname))
return NULL;
return compress_helper(input, nbytes, typesize, clevel, shuffle, cname);
}
static PyObject *
PyBlosc_compress_ptr(PyObject *self, PyObject *args)
{
PyObject * input;
void * input_ptr;
size_t nbytes, typesize;
int clevel, shuffle;
char *cname;
/* require an address, buffer length, typesize, clevel, shuffle and cname */
if (!PyArg_ParseTuple(args, "Onniis:compress", &input, &nbytes,
&typesize, &clevel, &shuffle, &cname))
return NULL;
/* convert to void pointer safely */
input_ptr = PyLong_AsVoidPtr(input);
if (input_ptr == NULL)
return NULL;
return compress_helper(input_ptr, nbytes, typesize, clevel, shuffle, cname);
}
