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250 lines (211 loc) · 7.65 KB
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/*
* Copyright 2010-2017 The pygit2 contributors
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* as published by the Free Software Foundation.
*
* In addition to the permissions in the GNU General Public License,
* the authors give you unlimited permission to link the compiled
* version of this file into combinations with other programs,
* and to distribute those combinations without any restriction
* coming from the use of this file. (The General Public License
* restrictions do apply in other respects; for example, they cover
* modification of the file, and distribution when not linked into
* a combined executable.)
*
* This file 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; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#define PY_SSIZE_T_CLEAN
#include <Python.h>
#include "error.h"
#include "types.h"
#include "utils.h"
#include "oid.h"
#include "repository.h"
#include "object.h"
extern PyTypeObject TreeType;
extern PyTypeObject CommitType;
extern PyTypeObject BlobType;
extern PyTypeObject TagType;
void
Object_dealloc(Object* self)
{
Py_CLEAR(self->repo);
git_object_free(self->obj);
Py_TYPE(self)->tp_free(self);
}
PyDoc_STRVAR(Object_id__doc__,
"The object id, an instance of the Oid type.");
PyObject *
Object_id__get__(Object *self)
{
const git_oid *oid;
oid = git_object_id(self->obj);
assert(oid);
return git_oid_to_python(oid);
}
PyDoc_STRVAR(Object_oid__doc__,
"The object id, an instance of the Oid type.\n"
"This attribute is deprecated, please use 'id'\n");
PyObject *
Object_oid__get__(Object *self)
{
return Object_id__get__(self);
}
PyDoc_STRVAR(Object_hex__doc__,
"Hexadecimal representation of the object id. This is a shortcut for\n"
"Object.oid.hex\n"
"This attribute is deprecated, please use 'id'\n");
PyObject *
Object_hex__get__(Object *self)
{
const git_oid *oid;
oid = git_object_id(self->obj);
assert(oid);
return git_oid_to_py_str(oid);
}
PyDoc_STRVAR(Object_type__doc__,
"One of the GIT_OBJ_COMMIT, GIT_OBJ_TREE, GIT_OBJ_BLOB or GIT_OBJ_TAG\n"
"constants.");
PyObject *
Object_type__get__(Object *self)
{
return PyInt_FromLong(git_object_type(self->obj));
}
PyDoc_STRVAR(Object__pointer__doc__, "Get the object's pointer. For internal use only.");
PyObject *
Object__pointer__get__(Object *self)
{
/* Bytes means a raw buffer */
return PyBytes_FromStringAndSize((char *) &self->obj, sizeof(git_object *));
}
PyDoc_STRVAR(Object_read_raw__doc__,
"read_raw()\n"
"\n"
"Returns the byte string with the raw contents of the object.");
PyObject *
Object_read_raw(Object *self)
{
const git_oid *oid;
git_odb_object *obj;
PyObject *aux;
oid = git_object_id(self->obj);
obj = Repository_read_raw(self->repo->repo, oid, GIT_OID_HEXSZ);
if (obj == NULL)
return NULL;
aux = PyBytes_FromStringAndSize(
git_odb_object_data(obj),
git_odb_object_size(obj));
git_odb_object_free(obj);
return aux;
}
PyDoc_STRVAR(Object_peel__doc__,
"peel(target_type) -> Object\n"
"\n"
"Peel the current object and returns the first object of the given type\n");
PyObject *
Object_peel(Object *self, PyObject *py_type)
{
int err;
git_otype otype;
git_object *peeled;
otype = py_object_to_otype(py_type);
if (otype == GIT_OBJ_BAD)
return NULL;
err = git_object_peel(&peeled, self->obj, otype);
if (err < 0)
return Error_set(err);
return wrap_object(peeled, self->repo);
}
PyGetSetDef Object_getseters[] = {
GETTER(Object, oid),
GETTER(Object, id),
GETTER(Object, hex),
GETTER(Object, type),
GETTER(Object, _pointer),
{NULL}
};
PyMethodDef Object_methods[] = {
METHOD(Object, read_raw, METH_NOARGS),
METHOD(Object, peel, METH_O),
{NULL}
};
PyDoc_STRVAR(Object__doc__, "Base class for Git objects.");
PyTypeObject ObjectType = {
PyVarObject_HEAD_INIT(NULL, 0)
"_pygit2.Object", /* tp_name */
sizeof(Object), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)Object_dealloc, /* 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 | Py_TPFLAGS_BASETYPE, /* tp_flags */
Object__doc__, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
Object_methods, /* tp_methods */
0, /* tp_members */
Object_getseters, /* 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 */
0, /* tp_new */
};
PyObject *
wrap_object(git_object *c_object, Repository *repo)
{
Object *py_obj = NULL;
switch (git_object_type(c_object)) {
case GIT_OBJ_COMMIT:
py_obj = PyObject_New(Object, &CommitType);
break;
case GIT_OBJ_TREE:
py_obj = PyObject_New(Object, &TreeType);
break;
case GIT_OBJ_BLOB:
py_obj = PyObject_New(Object, &BlobType);
break;
case GIT_OBJ_TAG:
py_obj = PyObject_New(Object, &TagType);
break;
default:
assert(0);
}
if (py_obj) {
py_obj->obj = c_object;
if (repo) {
py_obj->repo = repo;
Py_INCREF(repo);
}
}
return (PyObject *)py_obj;
}