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

1 files changed, 134 insertions, 0 deletions

diff --git a/python/hashstring.cc b/python/hashstring.cc
new file mode 100644
index 00000000..59d533f8
--- /dev/null
+++ b/python/hashstring.cc
@@ -0,0 +1,134 @@
+/* hashstring.cc - Wrapper around HashString
+ *
+ * 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 "generic.h"
+#include "apt_pkgmodule.h"
+#include <apt-pkg/hashes.h>
+
+static PyObject *hashstring_new(PyTypeObject *type,PyObject *Args,
+                                PyObject *kwds)
+{
+    char *Type = NULL;
+    char *Hash = NULL;
+    char *kwlist[] = {"type", "hash",  NULL};
+    if (PyArg_ParseTupleAndKeywords(Args, kwds, "s|s:__new__", kwlist, &Type,
+                                    &Hash) == 0)
+        return 0;
+    CppPyObject<HashString*> *PyObj = CppPyObject_NEW<HashString*>(NULL, type);
+    if (Hash)
+        PyObj->Object = new HashString(Type,Hash);
+    else // Type is the combined form now (i.e. type:hash)
+        PyObj->Object = new HashString(Type);
+    return PyObj;
+}
+
+static PyObject *hashstring_repr(PyObject *self)
+{
+    HashString *hash = GetCpp<HashString*>(self);
+    return PyString_FromFormat("<%s object: \"%s\">", self->ob_type->tp_name,
+                               hash->toStr().c_str());
+}
+
+static PyObject *hashstring_str(PyObject *self)
+{
+    HashString *hash = GetCpp<HashString*>(self);
+    return CppPyString(hash->toStr());
+}
+
+static PyObject *hashstring_get_hashtype(PyObject *self)
+{
+    HashString *hash = GetCpp<HashString*>(self);
+    return CppPyString(hash->HashType());
+}
+
+static char *hashstring_verify_file_doc =
+    "verify_file(filename: str) -> bool\n\n"
+    "Verify that the file indicated by filename matches the hash.";
+
+static PyObject *hashstring_verify_file(PyObject *self,PyObject *args)
+{
+    HashString *hash = GetCpp<HashString*>(self);
+    char *filename;
+    if (PyArg_ParseTuple(args, "s:verify_file", &filename) == 0)
+        return 0;
+    return PyBool_FromLong(hash->VerifyFile(filename));
+}
+
+static PyMethodDef hashstring_methods[] = {
+    {"verify_file",hashstring_verify_file,METH_VARARGS,
+     hashstring_verify_file_doc},
+    {NULL}
+};
+
+static PyGetSetDef hashstring_getset[] = {
+    {"hashtype",(getter)hashstring_get_hashtype,0,
+     "The type of the hash, as a string (possible: MD5Sum,SHA1,SHA256)."},
+    {NULL}
+};
+
+static char *hashstring_doc =
+    "HashString(type, hash) OR HashString('type:hash')\n\n"
+    "Create a new HashString object. The first form allows you to specify\n"
+    "a type and a hash, and the second form a single string where type and\n"
+    "hash are separated by a colon, e.g.::\n\n"
+    "   HashString('MD5Sum', '6cc1b6e6655e3555ac47e5b5fe26d04e')\n\n"
+    "Valid options for 'type' are: MD5Sum, SHA1, SHA256.";
+PyTypeObject PyHashString_Type = {
+    PyVarObject_HEAD_INIT(&PyType_Type, 0)
+    "apt_pkg.HashString",              // tp_name
+    sizeof(CppPyObject<HashString*>),  // tp_basicsize
+    0,                                 // tp_itemsize
+    // Methods
+    CppDeallocPtr<HashString*>,        // tp_dealloc
+    0,                                 // tp_print
+    0,                                 // tp_getattr
+    0,                                 // tp_setattr
+    0,                                 // tp_compare
+    hashstring_repr,                   // tp_repr
+    0,                                 // tp_as_number
+    0,                                 // tp_as_sequence
+    0,                                 // tp_as_mapping
+    0,                                 // tp_hash
+    0,                                 // tp_call
+    hashstring_str,                    // tp_str
+    0,                                 // tp_getattro
+    0,                                 // tp_setattro
+    0,                                 // tp_as_buffer
+    Py_TPFLAGS_DEFAULT |               // tp_flags
+    Py_TPFLAGS_BASETYPE,
+    hashstring_doc,                    // tp_doc
+    0,                                 // tp_traverse
+    0,                                 // tp_clear
+    0,                                 // tp_richcompare
+    0,                                 // tp_weaklistoffset
+    0,                                 // tp_iter
+    0,                                 // tp_iternext
+    hashstring_methods,                // tp_methods
+    0,                                 // tp_members
+    hashstring_getset,                 // 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
+    hashstring_new,                    // tp_new
+};