Files
entropy/pylzma/pylzma.c
2009-04-02 13:45:25 +02:00

100 lines
3.2 KiB
C

/*
* Python Bindings for LZMA
*
* Copyright (c) 2004-2006 by Joachim Bauch, mail@joachim-bauch.de
* 7-Zip Copyright (C) 1999-2005 Igor Pavlov
* LZMA SDK Copyright (C) 1999-2005 Igor Pavlov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: pylzma.c 116 2006-09-28 21:46:20Z jojo $
*
*/
#include <Python.h>
#include <cStringIO.h>
#include "pylzma.h"
#include "pylzma_compress.h"
#include "pylzma_decompress.h"
#include "pylzma_decompressobj.h"
#include "pylzma_compressobj.h"
#include "pylzma_compressfile.h"
#ifdef WITH_COMPAT
#include "pylzma_decompress_compat.h"
#include "pylzma_decompressobj_compat.h"
#endif
#if defined(WITH_THREAD) && !defined(PYLZMA_USE_GILSTATE)
PyInterpreterState* _pylzma_interpreterState = NULL;
#endif
static void insint(PyObject *d, char *name, int value)
{
PyObject *v = PyInt_FromLong((long) value);
if (!v || PyDict_SetItemString(d, name, v))
PyErr_Clear();
Py_XDECREF(v);
}
PyMethodDef methods[] = {
// exported functions
{"compress", (PyCFunction)pylzma_compress, METH_VARARGS | METH_KEYWORDS, (char *)&doc_compress},
{"decompress", (PyCFunction)pylzma_decompress, METH_VARARGS | METH_KEYWORDS, (char *)&doc_decompress},
// XXX: compression through an object doesn't work, yet
//{"compressobj", (PyCFunction)pylzma_compressobj, METH_VARARGS | METH_KEYWORDS, (char *)&doc_compressobj},
#ifdef WITH_COMPAT
// compatibility functions
{"decompress_compat", (PyCFunction)pylzma_decompress_compat, METH_VARARGS | METH_KEYWORDS, (char *)&doc_decompress_compat},
{"decompressobj_compat", (PyCFunction)pylzma_decompressobj_compat, METH_VARARGS, (char *)&doc_decompressobj_compat},
#endif
{NULL, NULL},
};
DL_EXPORT(void) initpylzma(void)
{
PyObject *m, *d;
CDecompressionObject_Type.tp_new = PyType_GenericNew;
if (PyType_Ready(&CDecompressionObject_Type) < 0)
return;
if (PyType_Ready(&CCompressionFileObject_Type) < 0)
return;
m = Py_InitModule("pylzma", methods);
Py_INCREF(&CDecompressionObject_Type);
PyModule_AddObject(m, "decompressobj", (PyObject *)&CDecompressionObject_Type);
Py_INCREF(&CCompressionFileObject_Type);
PyModule_AddObject(m, "compressfile", (PyObject *)&CCompressionFileObject_Type);
d = PyModule_GetDict(m);
PycString_IMPORT;
#if defined(WITH_THREAD)
PyEval_InitThreads();
#if !defined(PYLZMA_USE_GILSTATE)
/* Save the current interpreter, so compressing file objects works. */
_pylzma_interpreterState = PyThreadState_Get()->interp;
#endif
#endif
}