Viewing: github-redirect.dependabot.com

Repository navigation

More items

Blame

History

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

/* Cell object implementation */

#include "Python.h"

#include "pycore_cell.h" // PyCell_GetRef()

#include "pycore_modsupport.h" // _PyArg_NoKeywords()

#include "pycore_object.h"

#define _PyCell_CAST(op) _Py_CAST(PyCellObject*, (op))

PyObject *

PyCell_New(PyObject *obj)

{

PyCellObject *op;

op = (PyCellObject *)PyObject_GC_New(PyCellObject, &PyCell_Type);

if (op == NULL)

return NULL;

op->ob_ref = Py_XNewRef(obj);

_PyObject_GC_TRACK(op);

return (PyObject *)op;

}

PyDoc_STRVAR(cell_new_doc,

"cell([contents])\n"

"--\n"

"\n"

"Create a new cell object.\n"

"\n"

" contents\n"

" the contents of the cell. If not specified, the cell will be empty,\n"

" and further attempts to access its cell_contents attribute will\n"

" raise a ValueError.");

static PyObject *

cell_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)

{

PyObject *return_value = NULL;

PyObject *obj = NULL;

if (!_PyArg_NoKeywords("cell", kwargs)) {

goto exit;

}

/* min = 0: we allow the cell to be empty */

if (!PyArg_UnpackTuple(args, "cell", 0, 1, &obj)) {

goto exit;

}

return_value = PyCell_New(obj);

exit:

return return_value;

}

PyObject *

PyCell_Get(PyObject *op)

{

if (!PyCell_Check(op)) {

PyErr_BadInternalCall();

return NULL;

}

return PyCell_GetRef((PyCellObject *)op);

}

int

PyCell_Set(PyObject *op, PyObject *value)

{

if (!PyCell_Check(op)) {

PyErr_BadInternalCall();

return -1;

}

PyCell_SetTakeRef((PyCellObject *)op, Py_XNewRef(value));

return 0;

}

static void

cell_dealloc(PyObject *self)

{

PyCellObject *op = _PyCell_CAST(self);

_PyObject_GC_UNTRACK(op);

Py_XDECREF(op->ob_ref);

PyObject_GC_Del(op);

}

static PyObject *

cell_compare_impl(PyObject *a, PyObject *b, int op)

{

if (a != NULL && b != NULL) {

return PyObject_RichCompare(a, b, op);

}

else {

Py_RETURN_RICHCOMPARE(b == NULL, a == NULL, op);

}

static PyObject *

cell_richcompare(PyObject *a, PyObject *b, int op)

{

/* neither argument should be NULL, unless something's gone wrong */

assert(a != NULL && b != NULL);

/* both arguments should be instances of PyCellObject */

if (!PyCell_Check(a) || !PyCell_Check(b)) {

Py_RETURN_NOTIMPLEMENTED;

}

PyObject *a_ref = PyCell_GetRef((PyCellObject *)a);

PyObject *b_ref = PyCell_GetRef((PyCellObject *)b);

/* compare cells by contents; empty cells come before anything else */

PyObject *res = cell_compare_impl(a_ref, b_ref, op);

Py_XDECREF(a_ref);

Py_XDECREF(b_ref);

return res;

}

static PyObject *

cell_repr(PyObject *self)

{

PyObject *ref = PyCell_GetRef((PyCellObject *)self);

if (ref == NULL) {

return PyUnicode_FromFormat("<cell at %p: empty>", self);

}

PyObject *res = PyUnicode_FromFormat("<cell at %p: %.80s object at %p>",

self, Py_TYPE(ref)->tp_name, ref);

Py_DECREF(ref);

return res;

}

static int

cell_traverse(PyObject *self, visitproc visit, void *arg)

{

PyCellObject *op = _PyCell_CAST(self);

Py_VISIT(op->ob_ref);

return 0;

}

static int

cell_clear(PyObject *self)

{

PyCellObject *op = _PyCell_CAST(self);

Py_CLEAR(op->ob_ref);

return 0;

}

static PyObject *

cell_get_contents(PyObject *self, void *closure)

{

PyCellObject *op = _PyCell_CAST(self);

PyObject *res = PyCell_GetRef(op);

if (res == NULL) {

PyErr_SetString(PyExc_ValueError, "Cell is empty");

return NULL;

}

return res;

}

static int

cell_set_contents(PyObject *self, PyObject *obj, void *Py_UNUSED(ignored))

{

PyCellObject *cell = _PyCell_CAST(self);

Py_XINCREF(obj);

PyCell_SetTakeRef((PyCellObject *)cell, obj);

return 0;

}

static PyGetSetDef cell_getsetlist[] = {

{"cell_contents", cell_get_contents, cell_set_contents, NULL},

{NULL} /* sentinel */

};

PyTypeObject PyCell_Type = {

PyVarObject_HEAD_INIT(&PyType_Type, 0)

"cell",

sizeof(PyCellObject),

cell_dealloc, /* tp_dealloc */

0, /* tp_vectorcall_offset */

0, /* tp_getattr */

0, /* tp_setattr */

0, /* tp_as_async */

cell_repr, /* tp_repr */

0, /* tp_as_number */

0, /* tp_as_sequence */

0, /* tp_as_mapping */

0, /* tp_hash */

0, /* tp_call */

0, /* tp_str */

PyObject_GenericGetAttr, /* tp_getattro */

0, /* tp_setattro */

0, /* tp_as_buffer */

Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */

cell_new_doc, /* tp_doc */

cell_traverse, /* tp_traverse */

cell_clear, /* tp_clear */

cell_richcompare, /* tp_richcompare */

0, /* tp_weaklistoffset */

0, /* tp_iter */

0, /* tp_iternext */

0, /* tp_methods */

0, /* tp_members */

cell_getsetlist, /* 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 */

cell_new, /* tp_new */

0, /* tp_free */

};

Terms
Privacy
Security
Status
Community
Docs
Contact
Manage cookies
Do not share my personal information

Navigation Menu

Repository navigation

Files

cellobject.c

cellobject.c

Navigation Menu

Repository navigation

FilesExpand file tree

Breadcrumbs

cellobject.c

Latest commit

History

Breadcrumbs

cellobject.c

File metadata and controls

Footer

Footer navigation

Files