diff options
Diffstat (limited to 'libbtrfsutil/python')
| -rw-r--r-- | libbtrfsutil/python/btrfsutilpy.h | 6 | ||||
| -rw-r--r-- | libbtrfsutil/python/module.c | 8 | ||||
| -rw-r--r-- | libbtrfsutil/python/qgroup.c | 154 | ||||
| -rwxr-xr-x | libbtrfsutil/python/setup.py | 1 | ||||
| -rw-r--r-- | libbtrfsutil/python/tests/test_qgroup.py | 36 |
5 files changed, 205 insertions, 0 deletions
diff --git a/libbtrfsutil/python/btrfsutilpy.h b/libbtrfsutil/python/btrfsutilpy.h index 6d82f7e1..3b5d7849 100644 --- a/libbtrfsutil/python/btrfsutilpy.h +++ b/libbtrfsutil/python/btrfsutilpy.h @@ -29,7 +29,13 @@ #include <btrfsutil.h> +typedef struct { + PyObject_HEAD + struct btrfs_util_qgroup_inherit *inherit; +} QgroupInherit; + extern PyTypeObject BtrfsUtilError_type; +extern PyTypeObject QgroupInherit_type; /* * Helpers for path arguments based on posixmodule.c in CPython. diff --git a/libbtrfsutil/python/module.c b/libbtrfsutil/python/module.c index d7398808..24d962dc 100644 --- a/libbtrfsutil/python/module.c +++ b/libbtrfsutil/python/module.c @@ -152,6 +152,10 @@ PyInit_btrfsutil(void) if (PyType_Ready(&BtrfsUtilError_type) < 0) return NULL; + QgroupInherit_type.tp_new = PyType_GenericNew; + if (PyType_Ready(&QgroupInherit_type) < 0) + return NULL; + m = PyModule_Create(&btrfsutilmodule); if (!m) return NULL; @@ -160,6 +164,10 @@ PyInit_btrfsutil(void) PyModule_AddObject(m, "BtrfsUtilError", (PyObject *)&BtrfsUtilError_type); + Py_INCREF(&QgroupInherit_type); + PyModule_AddObject(m, "QgroupInherit", + (PyObject *)&QgroupInherit_type); + add_module_constants(m); return m; diff --git a/libbtrfsutil/python/qgroup.c b/libbtrfsutil/python/qgroup.c new file mode 100644 index 00000000..69716d92 --- /dev/null +++ b/libbtrfsutil/python/qgroup.c @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2018 Facebook + * + * This file is part of libbtrfsutil. + * + * libbtrfsutil is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * libbtrfsutil 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with libbtrfsutil. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "btrfsutilpy.h" + +static void QgroupInherit_dealloc(QgroupInherit *self) +{ + btrfs_util_destroy_qgroup_inherit(self->inherit); + Py_TYPE(self)->tp_free((PyObject *)self); +} + +static int QgroupInherit_init(QgroupInherit *self, PyObject *args, + PyObject *kwds) +{ + static char *keywords[] = {NULL}; + enum btrfs_util_error err; + + if (!PyArg_ParseTupleAndKeywords(args, kwds, ":QgroupInherit", + keywords)) + return -1; + + err = btrfs_util_create_qgroup_inherit(0, &self->inherit); + if (err) { + SetFromBtrfsUtilError(err); + return -1; + } + + return 0; +} + +static PyObject *QgroupInherit_getattro(QgroupInherit *self, PyObject *nameobj) +{ + const char *name = ""; + + if (PyUnicode_Check(nameobj)) { + name = PyUnicode_AsUTF8(nameobj); + if (!name) + return NULL; + } + + if (strcmp(name, "groups") == 0) { + PyObject *ret, *tmp; + const uint64_t *arr; + size_t n, i; + + btrfs_util_qgroup_inherit_get_groups(self->inherit, &arr, &n); + ret = PyList_New(n); + if (!ret) + return NULL; + + for (i = 0; i < n; i++) { + tmp = PyLong_FromUnsignedLongLong(arr[i]); + if (!tmp) { + Py_DECREF(ret); + return NULL; + } + PyList_SET_ITEM(ret, i, tmp); + } + + return ret; + } else { + return PyObject_GenericGetAttr((PyObject *)self, nameobj); + } +} + +static PyObject *QgroupInherit_add_group(QgroupInherit *self, PyObject *args, + PyObject *kwds) +{ + static char *keywords[] = {"qgroupid", NULL}; + enum btrfs_util_error err; + uint64_t qgroupid; + + if (!PyArg_ParseTupleAndKeywords(args, kwds, "K:add_group", keywords, + &qgroupid)) + return NULL; + + err = btrfs_util_qgroup_inherit_add_group(&self->inherit, qgroupid); + if (err) { + SetFromBtrfsUtilError(err); + return NULL; + } + + Py_RETURN_NONE; +} + +static PyMethodDef QgroupInherit_methods[] = { + {"add_group", (PyCFunction)QgroupInherit_add_group, + METH_VARARGS | METH_KEYWORDS, + "add_group(qgroupid)\n\n" + "Add a qgroup to inherit from.\n\n" + "Arguments:\n" + "qgroupid -- ID of qgroup to add"}, + {}, +}; + +#define QgroupInherit_DOC \ + "QgroupInherit() -> new qgroup inheritance specifier\n\n" \ + "Create a new object which specifies what qgroups to inherit\n" \ + "from for create_subvolume() and create_snapshot()" + +PyTypeObject QgroupInherit_type = { + PyVarObject_HEAD_INIT(NULL, 0) + "btrfsutil.QgroupInherit", /* tp_name */ + sizeof(QgroupInherit), /* tp_basicsize */ + 0, /* tp_itemsize */ + (destructor)QgroupInherit_dealloc, /* tp_dealloc */ + NULL, /* tp_print */ + NULL, /* tp_getattr */ + NULL, /* tp_setattr */ + NULL, /* tp_as_async */ + NULL, /* tp_repr */ + NULL, /* tp_as_number */ + NULL, /* tp_as_sequence */ + NULL, /* tp_as_mapping */ + NULL, /* tp_hash */ + NULL, /* tp_call */ + NULL, /* tp_str */ + (getattrofunc)QgroupInherit_getattro, /* tp_getattro */ + NULL, /* tp_setattro */ + NULL, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT, /* tp_flags */ + QgroupInherit_DOC, /* tp_doc */ + NULL, /* tp_traverse */ + NULL, /* tp_clear */ + NULL, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + NULL, /* tp_iter */ + NULL, /* tp_iternext */ + QgroupInherit_methods, /* tp_methods */ + NULL, /* tp_members */ + NULL, /* tp_getset */ + NULL, /* tp_base */ + NULL, /* tp_dict */ + NULL, /* tp_descr_get */ + NULL, /* tp_descr_set */ + 0, /* tp_dictoffset */ + (initproc)QgroupInherit_init, /* tp_init */ +}; diff --git a/libbtrfsutil/python/setup.py b/libbtrfsutil/python/setup.py index 6f04a6fe..478510ce 100755 --- a/libbtrfsutil/python/setup.py +++ b/libbtrfsutil/python/setup.py @@ -91,6 +91,7 @@ module = Extension( 'constants.c', 'error.c', 'module.c', + 'qgroup.c', ], include_dirs=['..'], library_dirs=['../..'], diff --git a/libbtrfsutil/python/tests/test_qgroup.py b/libbtrfsutil/python/tests/test_qgroup.py new file mode 100644 index 00000000..a590464b --- /dev/null +++ b/libbtrfsutil/python/tests/test_qgroup.py @@ -0,0 +1,36 @@ +# Copyright (C) 2018 Facebook +# +# This file is part of libbtrfsutil. +# +# libbtrfsutil is free software: you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# libbtrfsutil 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 Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with libbtrfsutil. If not, see <http://www.gnu.org/licenses/>. + +import os +import unittest + +import btrfsutil + + +class TestQgroupInherit(unittest.TestCase): + def test_new(self): + inherit = btrfsutil.QgroupInherit() + self.assertEqual(inherit.groups, []) + + def test_add_group(self): + inherit = btrfsutil.QgroupInherit() + inherit.add_group(1) + self.assertEqual(inherit.groups, [1]) + inherit.add_group(2) + self.assertEqual(inherit.groups, [1, 2]) + inherit.add_group(3) + self.assertEqual(inherit.groups, [1, 2, 3]) |