00001
00005 #include "system.h"
00006
00007 #include "Python.h"
00008 #ifdef __LCLINT__
00009 #undef PyObject_HEAD
00010 #define PyObject_HEAD int _PyObjectHead;
00011 #endif
00012
00013 #include <rpmlib.h>
00014
00015 #include "rpmdb-py.h"
00016 #include "rpmmi-py.h"
00017 #include "header-py.h"
00018
00019 #include "debug.h"
00020
00021
00022
00111
00114 static rpmmiObject *
00115 rpmdb_Match (rpmdbObject * s, PyObject * args)
00116
00117
00118 {
00119 PyObject *TagN = NULL;
00120 char *key = NULL;
00121 int len = 0;
00122 int tag = RPMDBI_PACKAGES;
00123
00124 if (!PyArg_ParseTuple(args, "|Ozi", &TagN, &key, &len))
00125 return NULL;
00126
00127 if (TagN && (tag = tagNumFromPyObject (TagN)) == -1) {
00128 PyErr_SetString(PyExc_TypeError, "unknown tag type");
00129 return NULL;
00130 }
00131
00132 return rpmmi_Wrap( rpmdbInitIterator(s->db, tag, key, len) );
00133 }
00134
00137
00138
00139 static struct PyMethodDef rpmdb_methods[] = {
00140 {"match", (PyCFunction) rpmdb_Match, METH_VARARGS,
00141 "db.match([TagN, [key, [len]]]) -> mi\n\
00142 - Create an rpm db match iterator.\n" },
00143 {NULL, NULL}
00144 };
00145
00146
00149 static int
00150 rpmdb_length(rpmdbObject * s)
00151
00152
00153 {
00154 rpmdbMatchIterator mi;
00155 int count = 0;
00156
00157 mi = rpmdbInitIterator(s->db, RPMDBI_PACKAGES, NULL, 0);
00158 while (rpmdbNextIterator(mi) != NULL)
00159 count++;
00160 mi = rpmdbFreeIterator(mi);
00161
00162 return count;
00163 }
00164
00167 static hdrObject *
00168 rpmdb_subscript(rpmdbObject * s, PyObject * key)
00169
00170
00171 {
00172 int offset;
00173 hdrObject * ho;
00174 Header h;
00175 rpmdbMatchIterator mi;
00176
00177 if (!PyInt_Check(key)) {
00178 PyErr_SetString(PyExc_TypeError, "integer expected");
00179 return NULL;
00180 }
00181
00182 offset = (int) PyInt_AsLong(key);
00183
00184 mi = rpmdbInitIterator(s->db, RPMDBI_PACKAGES, &offset, sizeof(offset));
00185 if (!(h = rpmdbNextIterator(mi))) {
00186 mi = rpmdbFreeIterator(mi);
00187 PyErr_SetString(pyrpmError, "cannot read rpmdb entry");
00188 return NULL;
00189 }
00190
00191 ho = hdr_Wrap(h);
00192 h = headerFree(h);
00193
00194 return ho;
00195 }
00196
00199
00200 static PyMappingMethods rpmdb_as_mapping = {
00201 (inquiry) rpmdb_length,
00202 (binaryfunc) rpmdb_subscript,
00203 (objobjargproc)0,
00204 };
00205
00208 static void rpmdb_dealloc(rpmdbObject * s)
00209
00210 {
00211 if (s->db)
00212 rpmdbClose(s->db);
00213 PyObject_Del(s);
00214 }
00215
00218 static PyObject * rpmdb_getattr(rpmdbObject * s, char * name)
00219
00220 {
00221 return Py_FindMethod(rpmdb_methods, (PyObject * ) s, name);
00222 }
00223
00226
00227 static char rpmdb_doc[] =
00228 "";
00229
00232
00233 PyTypeObject rpmdb_Type = {
00234 PyObject_HEAD_INIT(&PyType_Type)
00235 0,
00236 "rpm.db",
00237 sizeof(rpmdbObject),
00238 0,
00239 (destructor) rpmdb_dealloc,
00240 0,
00241 (getattrfunc) rpmdb_getattr,
00242 0,
00243 0,
00244 0,
00245 0,
00246 0,
00247 &rpmdb_as_mapping,
00248 0,
00249 0,
00250 0,
00251 0,
00252 0,
00253 0,
00254 Py_TPFLAGS_DEFAULT,
00255 rpmdb_doc,
00256 #if Py_TPFLAGS_HAVE_ITER
00257 0,
00258 0,
00259 0,
00260 0,
00261 0,
00262 0,
00263 rpmdb_methods,
00264 0,
00265 0,
00266 0,
00267 0,
00268 0,
00269 0,
00270 0,
00271 0,
00272 0,
00273 0,
00274 0,
00275 0,
00276 #endif
00277 };
00278
00279
00280 #ifdef _LEGACY_BINDINGS_TOO
00281 rpmdb dbFromDb(rpmdbObject * db)
00282 {
00283 return db->db;
00284 }
00285
00288 rpmdbObject * rpmOpenDB( PyObject * self, PyObject * args) {
00289 rpmdbObject * o;
00290 char * root = "";
00291 int forWrite = 0;
00292
00293 if (!PyArg_ParseTuple(args, "|is", &forWrite, &root)) return NULL;
00294
00295 o = PyObject_New(rpmdbObject, &rpmdb_Type);
00296 o->db = NULL;
00297
00298 if (rpmdbOpen(root, &o->db, forWrite ? O_RDWR | O_CREAT: O_RDONLY, 0644)) {
00299 char * errmsg = "cannot open database in %s";
00300 char * errstr = NULL;
00301 int errsize;
00302
00303 Py_DECREF(o);
00304
00305 errsize = strlen(errmsg) + *root == '\0' ? 15 : strlen(root);
00306 errstr = alloca(errsize);
00307
00308 snprintf(errstr, errsize, errmsg, *root == '\0' ? "/var/lib/rpm" : root);
00309
00310 PyErr_SetString(pyrpmError, errstr);
00311 return NULL;
00312 }
00313
00314 return o;
00315 }
00316
00320 PyObject * rebuildDB ( PyObject * self, PyObject * args)
00321 {
00322 char * rootDir = "";
00323
00324 if (!PyArg_ParseTuple(args, "s", &rootDir)) return NULL;
00325
00326 return Py_BuildValue("i", rpmdbRebuild(rootDir, NULL, NULL));
00327 }
00328 #endif
00329