merged from lp:~mvo/python-apt/mvo

1 files changed, 127 insertions, 0 deletions

diff --git a/python/indexrecords.cc b/python/indexrecords.cc
new file mode 100644
index 00000000..80960160
--- /dev/null
+++ b/python/indexrecords.cc
@@ -0,0 +1,127 @@
+/*
+ * 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)
+{
+    const char *filename;
+    if (PyArg_ParseTuple(args, "s", &filename) == 0)
+        return 0;
+    indexRecords *records = GetCpp<indexRecords*>(self);
+    return HandleErrors(Py_BuildValue("i", records->Load(filename)));
+}
+
+static char *indexrecords_lookup_doc = "lookup(metakey)\n\n"
+    "Lookup the filename given by metakey, return a tuple (hash, size).\n"
+    "The hash part is a HashString() object.";
+static PyObject *indexrecords_lookup(PyObject *self,PyObject *args)
+{
+    const char *keyname;
+    if (PyArg_ParseTuple(args, "s", &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("(Oi)",py_hash,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\nLoad the file given by filename."},
+    {"get_dist",(PyCFunction)indexrecords_get_dist,METH_NOARGS,
+     "get_dist() -> str\n\nReturn 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
+};