make the initgroups extension a package; zpkg is still happier workin…

…g with

packages than single pieces

__init__.py

@@ -0,0 +1,15 @@
+##############################################################################
+#
+# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+
+from _initgroups import initgroups

_initgroups.c

@@ -0,0 +1,61 @@
+/*****************************************************************************
+
+  Copyright (c) 2002 Zope Corporation and Contributors. All Rights Reserved.
+  
+  This software is subject to the provisions of the Zope Public License,
+  Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
+  THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+  WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+  FOR A PARTICULAR PURPOSE
+  
+ ****************************************************************************/
+
+#include "Python.h"
+
+#if defined(__unix__) || defined(unix) || defined(__NetBSD__) || defined(__MACH__) /* Mac OS X */
+
+#include <grp.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+static PyObject *
+initgroups_initgroups(PyObject *self, PyObject *args)
+{
+	char *username;
+	unsigned int igid;
+	gid_t gid;
+
+	if (!PyArg_ParseTuple(args, "sI:initgroups", &username, &igid))
+		return NULL;
+
+	gid = igid;
+
+	if (initgroups(username, gid) == -1)
+		return PyErr_SetFromErrno(PyExc_OSError);
+
+	Py_INCREF(Py_None);
+	return Py_None;
+}
+
+static PyMethodDef InitgroupsMethods[] = {
+	{"initgroups",	initgroups_initgroups,	METH_VARARGS},
+	{NULL,		NULL}
+};
+
+#else
+
+/* This module is empty on non-UNIX systems. */
+
+static PyMethodDef InitgroupsMethods[] = {
+	{NULL,		NULL}
+};
+
+#endif /* defined(__unix__) || defined(unix) */
+
+void
+init_initgroups(void)
+{
+	Py_InitModule("_initgroups", InitgroupsMethods);
+}
+