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/* hashes.cc - Wrapper around apt-pkg's Hashes.
*
* Copyright 2009 Julian Andres Klode <jak@debian.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <Python.h>
#include "generic.h"
#include "apt_pkgmodule.h"
#include <apt-pkg/hashes.h>
static PyObject *hashes_new(PyTypeObject *type,PyObject *args,
PyObject *kwds)
{
return CppPyObject_NEW<Hashes>(NULL, type);
}
static int hashes_init(PyObject *self, PyObject *args, PyObject *kwds)
{
PyObject *object = 0;
int Fd;
char *kwlist[] = {"object", NULL};
if (PyArg_ParseTupleAndKeywords(args, kwds, "|O:__init__", kwlist,
&object) == 0)
return -1;
if (object == 0)
return 0;
Hashes &hashes = GetCpp<Hashes>(self);
if (PyBytes_Check(object) != 0) {
char *s;
Py_ssize_t len;
PyBytes_AsStringAndSize(object, &s, &len);
Py_BEGIN_ALLOW_THREADS
hashes.Add((const unsigned char*)s, len);
Py_END_ALLOW_THREADS
}
else if ((Fd = PyObject_AsFileDescriptor(object)) != -1) {
struct stat St;
bool err = false;
Py_BEGIN_ALLOW_THREADS
err = fstat(Fd, &St) != 0 || hashes.AddFD(Fd, St.st_size) == false;
Py_END_ALLOW_THREADS
if (err) {
PyErr_SetFromErrno(PyAptError);
return -1;
}
}
else {
PyErr_SetString(PyExc_TypeError,
"__init__() only understand bytes and files");
return -1;
}
return 0;
}
static PyObject *hashes_get_hashes(PyObject *self, void*)
{
auto py = CppPyObject_NEW<HashStringList>(nullptr, &PyHashStringList_Type);
py->Object = GetCpp<Hashes>(self).GetHashStringList();
return py;
}
static PyGetSetDef hashes_getset[] = {
{"hashes",hashes_get_hashes,0,
"A :class:`HashStringList` of all hashes.\n\n"
".. versionadded:: 1.1"},
{}
};
static char *hashes_doc =
"Hashes([object: (bytes, file)])\n\n"
"Calculate hashes for the given object. It can be used to create all\n"
"supported hashes for a file.\n\n"
"The parameter *object* can be a bytestring, an object providing the\n"
"fileno() method, or an integer describing a file descriptor.";
PyTypeObject PyHashes_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"apt_pkg.Hashes", // tp_name
sizeof(CppPyObject<Hashes>), // tp_basicsize
0, // tp_itemsize
// Methods
CppDealloc<Hashes>, // tp_dealloc
0, // tp_print
0, // tp_getattr
0, // tp_setattr
0, // tp_compare
0, // tp_repr
0, // tp_as_number
0, // 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_TPFLAGS_BASETYPE,
hashes_doc, // tp_doc
0, // tp_traverse
0, // tp_clear
0, // tp_richcompare
0, // tp_weaklistoffset
0, // tp_iter
0, // tp_iternext
0, // tp_methods
0, // tp_members
hashes_getset, // tp_getset
0, // tp_base
0, // tp_dict
0, // tp_descr_get
0, // tp_descr_set
0, // tp_dictoffset
hashes_init, // tp_init
0, // tp_alloc
hashes_new, // tp_new
};
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