summaryrefslogtreecommitdiff
path: root/python/indexrecords.cc
blob: 9446fad1a9088efdbf030e12e2c5a15c1e4a7b7c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
 * indexrecords.cc - Wrapper around indexRecords
 *
 * 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 "apt_pkgmodule.h"
#include "generic.h"
#include <apt-pkg/indexrecords.h>

static PyObject *indexrecords_new(PyTypeObject *type,PyObject *Args,
                                  PyObject *kwds)
{
    char * kwlist[] = {NULL};
    if (PyArg_ParseTupleAndKeywords(Args, kwds, "", kwlist) == 0)
        return 0;
    indexRecords *records = new indexRecords();
    CppPyObject<indexRecords*> *New = CppPyObject_NEW<indexRecords*>(NULL, type,
                                      records);
    return New;
}

static PyObject *indexrecords_load(PyObject *self,PyObject *args)
{
    PyApt_Filename filename;
    if (PyArg_ParseTuple(args, "O&", PyApt_Filename::Converter, &filename) == 0)
        return 0;
    indexRecords *records = GetCpp<indexRecords*>(self);
    return HandleErrors(PyBool_FromLong(records->Load(filename)));
}

static char *indexrecords_lookup_doc =
    "lookup(key: str) -> (HashString, int)\n\n"
    "Look up the filename given by 'key' and return a tuple (hash, size),\n"
    "where the first element 'hash' is an apt_pkg.HashString object\n"
    "and the second element 'size' is an int object.";
static PyObject *indexrecords_lookup(PyObject *self,PyObject *args)
{
    PyApt_Filename keyname;
    if (PyArg_ParseTuple(args, "O&", PyApt_Filename::Converter, &keyname) == 0)
        return 0;
    indexRecords *records = GetCpp<indexRecords*>(self);
    const indexRecords::checkSum *result = records->Lookup(keyname);
    if (result == 0) {
        PyErr_SetString(PyExc_KeyError,keyname);
        return 0;
    }
    // Copy the HashString(), to prevent crashes and to not require the
    // indexRecords object to exist.
    PyObject *py_hash = PyHashString_FromCpp(new HashString(result->Hash), true, NULL);
    PyObject *value = Py_BuildValue("(ON)",py_hash,MkPyNumber(result->Size));
    Py_DECREF(py_hash);
    return value;
}

static PyObject *indexrecords_get_dist(PyObject *self)
{
    indexRecords *records = GetCpp<indexRecords*>(self);
    return HandleErrors(PyString_FromString(records->GetDist().c_str()));
}

static PyMethodDef indexrecords_methods[] = {
    {"load",indexrecords_load,METH_VARARGS,
     "load(filename: str)\n\n"
     "Load the file given by filename."},
    {"get_dist",(PyCFunction)indexrecords_get_dist,METH_NOARGS,
     "get_dist() -> str\n\n"
     "Return a distribution set in the release file."},
    {"lookup",indexrecords_lookup,METH_VARARGS,indexrecords_lookup_doc},
    {}
};

static char *indexrecords_doc = "IndexRecords()\n\n"
    "Representation of a Release file.";
PyTypeObject PyIndexRecords_Type = {
    PyVarObject_HEAD_INIT(&PyType_Type, 0)
    "apt_pkg.IndexRecords",              // tp_name
    sizeof(CppPyObject<indexRecords*>),  // tp_basicsize
    0,                                   // tp_itemsize
    // Methods
    CppDeallocPtr<indexRecords*>,        // 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),
    indexrecords_doc,                    // tp_doc
    0,                                   // tp_traverse
    0,                                   // tp_clear
    0,                                   // tp_richcompare
    0,                                   // tp_weaklistoffset
    0,                                   // tp_iter
    0,                                   // tp_iternext
    indexrecords_methods,                // tp_methods
    0,                                   // tp_members
    0,                                   // tp_getset
    0,                                   // tp_base
    0,                                   // tp_dict
    0,                                   // tp_descr_get
    0,                                   // tp_descr_set
    0,                                   // tp_dictoffset
    0,                                   // tp_init
    0,                                   // tp_alloc
    indexrecords_new,                    // tp_new
};