jyapayne/murmur3
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module __doc__

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This commit is contained in:
Cameron Eure 2012-10-08 12:29:26 -07:00
commit 13742cb982
1 changed files with 13 additions and 8 deletions
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21
module.cpp
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@ -1,6 +1,12 @@
#include <Python.h>
#include "MurmurHash3.h"
const char *documentation =
"Python wrapper around the MurmurHash3 library, written in C++. "
"Functions included are: hash32, hash128, and hash128_64. All of "
"these functions take the same parameters, which are: "
"(<str/unicode/buffer>, [seed]), but may return different types.";
static PyObject* hash32(PyObject *self, PyObject *args)
{
char *value = NULL;
@ -60,11 +66,7 @@ static PyObject *hash128(PyObject *self, PyObject *args)
for (i = 0; i < 4; i++) {
tmp[i] = PyLong_FromUnsignedLong(out[i]);
if (!tmp[i]) {
/*for (i--; i > -1; i--) {
Py_DECREF(tmp[i]);
}*/
Py_DECREF(result);
Py_XDECREF(result);
PyErr_SetString(PyExc_MemoryError, "PyLong_FromUnsignedLong() returned NULL.");
return NULL;
}
@ -107,7 +109,7 @@ static PyObject *hash128_64(PyObject *self, PyObject *args)
tmp[i] = PyLong_FromUnsignedLongLong(out[i]);
if (!tmp[i]) {
Py_DECREF(result);
Py_XDECREF(result);
PyErr_SetString(PyExc_MemoryError, "PyLong_FromUnsignedLong() returned NULL.");
return NULL;
}
@ -122,20 +124,23 @@ static PyMethodDef methods[] = {
{"hash32", hash32, METH_VARARGS,
"Calculate Murmur3 32-bit unsigned hash value. "
"Parameters: <str>, [seed]"},
{"hash128", hash128, METH_VARARGS,
"Calculate Murmur3 128-bit hash to four 32bit integers. "
"Returns tuple (int, int, int, int). "
"Parameters: <str>, [seed]"},
{"hash128_64", hash128_64, METH_VARARGS,
"Calculate Murmur3 128-bit hash to two 64bit integers. "
"Returns tuple (int, int). "
"Parameters: <str>, [seed]"},
{NULL, NULL, 0, NULL}
};
PyMODINIT_FUNC
initmurmur3(void)
{
Py_Initialize();
(void) Py_InitModule("murmur3", methods);
//Py_Initialize();
(void) Py_InitModule3("murmur3", methods, (char *)documentation);
}