static PyObject *
get_chksum(_PackageObject *self, void *closure)
{
HyChecksum *(*func)(HyPackage, int *);
int type;
HyChecksum *cs;
func = (HyChecksum *(*)(HyPackage, int *))closure;
cs = func(self->package, &type);
if (cs == 0) {
PyErr_SetString(PyExc_AttributeError, "No such checksum.");
return NULL;
}
PyObject *res;
int checksum_length = checksum_type2length(type);
#if PY_MAJOR_VERSION < 3
res = Py_BuildValue("is#", type, cs, checksum_length);
#else
res = Py_BuildValue("iy#", type, cs, checksum_length);
#endif
return res;
}
char *
hy_chksum_str(const unsigned char *chksum, int type)
{
int length = checksum_type2length(type);
char *s = solv_malloc(2 * length + 1);
solv_bin2hex(chksum, length, s);
return s;
}
HyPackageDelta
hy_package_get_delta_from_evr(HyPackage pkg, const char *from_evr)
{
Pool *pool = package_pool(pkg);
Solvable *s = get_solvable(pkg);
HyPackageDelta delta = NULL;
Dataiterator di;
Id checksum_type;
const unsigned char *checksum;
const char *name = hy_package_get_name(pkg);
dataiterator_init(&di, pool, s->repo, SOLVID_META, DELTA_PACKAGE_NAME, name,
SEARCH_STRING);
dataiterator_prepend_keyname(&di, REPOSITORY_DELTAINFO);
while (dataiterator_step(&di)) {
dataiterator_setpos_parent(&di);
if (pool_lookup_id(pool, SOLVID_POS, DELTA_PACKAGE_EVR) != s->evr ||
pool_lookup_id(pool, SOLVID_POS, DELTA_PACKAGE_ARCH) != s->arch)
continue;
const char * base_evr = pool_id2str(pool, pool_lookup_id(pool, SOLVID_POS,
DELTA_BASE_EVR));
if (strcmp(base_evr, from_evr))
continue;
// we have the right delta info, set up HyPackageDelta and break out:
delta = delta_create();
delta->location = solv_strdup(pool_lookup_deltalocation(pool, SOLVID_POS, 0));
delta->baseurl = solv_strdup(pool_lookup_str(pool, SOLVID_POS, DELTA_LOCATION_BASE));
delta->downloadsize = pool_lookup_num(pool, SOLVID_POS, DELTA_DOWNLOADSIZE, 0);
checksum = pool_lookup_bin_checksum(pool, SOLVID_POS, DELTA_CHECKSUM, &checksum_type);
if (checksum) {
delta->checksum_type = checksumt_l2h(checksum_type);
delta->checksum = solv_memdup((void*)checksum, checksum_type2length(delta->checksum_type));
}
break;
}
dataiterator_free(&di);
return delta;
}
const char *
pool_checksum_str(Pool *pool, const unsigned char *chksum)
{
int length = checksum_type2length(checksumt_l2h(CHKSUM_TYPE));
return pool_bin2hex(pool, chksum, length);
}