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/** \ingroup py_c
* \file python/rpmtd-py.c
*/
#include "rpmsystem-py.h"
#include <rpm/rpmtd.h>
#include <rpm/header.h>
#include "rpmtd-py.h"
#include "header-py.h"
/*
* Convert single tag data item to python object of suitable type
*/
static PyObject * rpmtd_ItemAsPyobj(rpmtd td, rpmTagClass class)
{
PyObject *res = NULL;
switch (class) {
case RPM_STRING_CLASS:
res = PyString_FromString(rpmtdGetString(td));
break;
case RPM_NUMERIC_CLASS:
res = PyLong_FromLongLong(rpmtdGetNumber(td));
break;
case RPM_BINARY_CLASS:
res = PyString_FromStringAndSize(td->data, td->count);
break;
default:
PyErr_SetString(PyExc_KeyError, "unknown data type");
break;
}
return res;
}
PyObject *rpmtd_AsPyobj(rpmtd td)
{
PyObject *res = NULL;
rpmTagType type = rpmTagGetType(td->tag);
int array = ((type & RPM_MASK_RETURN_TYPE) == RPM_ARRAY_RETURN_TYPE);
rpmTagClass class = rpmtdClass(td);
if (!array && rpmtdCount(td) < 1) {
Py_RETURN_NONE;
}
if (array) {
res = PyList_New(0);
while (rpmtdNext(td) >= 0) {
PyList_Append(res, rpmtd_ItemAsPyobj(td, class));
}
} else {
res = rpmtd_ItemAsPyobj(td, class);
}
return res;
}
struct rpmtdObject_s {
PyObject_HEAD
PyObject *md_dict;
struct rpmtd_s td;
};
/* string format should never fail but do regular repr just in case it does */
static PyObject *rpmtd_str(rpmtdObject *s)
{
PyObject *res = NULL;
char *str = rpmtdFormat(&(s->td), RPMTD_FORMAT_STRING, NULL);
if (str) {
res = PyString_FromString(str);
free(str);
} else {
res = PyObject_Repr((PyObject *)s);
}
return res;
}
static PyObject *rpmtd_iternext(rpmtdObject *s)
{
PyObject *next = NULL;
if (rpmtdNext(&(s->td)) >= 0) {
Py_INCREF(s);
next = (PyObject*) s;
}
return next;
}
static PyObject *rpmtd_new(PyTypeObject * subtype, PyObject *args, PyObject *kwds)
{
rpmtdObject *s = NULL;
Header h = NULL;
rpmTag tag;
int raw = 0;
int noext = 0;
headerGetFlags flags = (HEADERGET_EXT | HEADERGET_ALLOC);
char *kwlist[] = { "header", "tag", "raw", "noext", NULL };
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&O&|ii", kwlist,
hdrFromPyObject, &h, tagNumFromPyObject, &tag,
&raw, &noext))
return NULL;
if (raw) {
flags |= HEADERGET_RAW;
noext = 1; /* extensions with raw dont make sense */
}
if (noext) flags &= ~HEADERGET_EXT;
if ((s = (rpmtdObject *)subtype->tp_alloc(subtype, 0)) == NULL)
return PyErr_NoMemory();
headerGet(h, tag, &(s->td), flags);
return (PyObject *) s;
}
static void rpmtd_dealloc(rpmtdObject * s)
{
rpmtdFreeData(&(s->td));
s->ob_type->tp_free((PyObject *)s);
}
static int rpmtd_length(rpmtdObject *s)
{
return rpmtdCount(&(s->td));
}
static PyMappingMethods rpmtd_as_mapping = {
(lenfunc) rpmtd_length, /* mp_length */
};
static PyMemberDef rpmtd_members[] = {
{ "tag", T_INT, offsetof(rpmtdObject, td.tag), READONLY, NULL },
{ "type", T_INT, offsetof(rpmtdObject, td.type), READONLY, NULL },
{ NULL }
};
PyTypeObject rpmtd_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0, /* ob_size */
"rpm.td", /* tp_name */
sizeof(rpmtdObject), /* tp_size */
0, /* tp_itemsize */
(destructor) rpmtd_dealloc, /* tp_dealloc */
0, /* tp_print */
(getattrfunc)0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
&rpmtd_as_mapping, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
(reprfunc)rpmtd_str, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
PyObject_GenericSetAttr, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /* tp_flags */
0, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter */
(iternextfunc)rpmtd_iternext, /* tp_iternext */
0, /* tp_methods */
rpmtd_members, /* 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 */
rpmtd_new, /* tp_new */
0, /* tp_free */
0, /* tp_is_gc */
};
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