add ydb deps

1 files changed, 145 insertions, 0 deletions

diff --git a/contrib/tools/python/src/Objects/cellobject.c b/contrib/tools/python/src/Objects/cellobject.c
new file mode 100644
index 0000000000..c206684dab
--- /dev/null
+++ b/contrib/tools/python/src/Objects/cellobject.c
@@ -0,0 +1,145 @@
+/* Cell object implementation */
+
+#include "Python.h"
+
+PyObject *
+PyCell_New(PyObject *obj)
+{
+    PyCellObject *op;
+
+    op = (PyCellObject *)PyObject_GC_New(PyCellObject, &PyCell_Type);
+    if (op == NULL)
+        return NULL;
+    op->ob_ref = obj;
+    Py_XINCREF(obj);
+
+    _PyObject_GC_TRACK(op);
+    return (PyObject *)op;
+}
+
+PyObject *
+PyCell_Get(PyObject *op)
+{
+    if (!PyCell_Check(op)) {
+        PyErr_BadInternalCall();
+        return NULL;
+    }
+    Py_XINCREF(((PyCellObject*)op)->ob_ref);
+    return PyCell_GET(op);
+}
+
+int
+PyCell_Set(PyObject *op, PyObject *obj)
+{
+    PyObject* oldobj;
+    if (!PyCell_Check(op)) {
+        PyErr_BadInternalCall();
+        return -1;
+    }
+    oldobj = PyCell_GET(op);
+    Py_XINCREF(obj);
+    PyCell_SET(op, obj);
+    Py_XDECREF(oldobj);
+    return 0;
+}
+
+static void
+cell_dealloc(PyCellObject *op)
+{
+    _PyObject_GC_UNTRACK(op);
+    Py_XDECREF(op->ob_ref);
+    PyObject_GC_Del(op);
+}
+
+static int
+cell_compare(PyCellObject *a, PyCellObject *b)
+{
+    /* Py3K warning for comparisons  */
+    if (PyErr_WarnPy3k("cell comparisons not supported in 3.x",
+                       1) < 0) {
+        return -2;
+    }
+
+    if (a->ob_ref == NULL) {
+        if (b->ob_ref == NULL)
+            return 0;
+        return -1;
+    } else if (b->ob_ref == NULL)
+        return 1;
+    return PyObject_Compare(a->ob_ref, b->ob_ref);
+}
+
+static PyObject *
+cell_repr(PyCellObject *op)
+{
+    if (op->ob_ref == NULL)
+        return PyString_FromFormat("<cell at %p: empty>", op);
+
+    return PyString_FromFormat("<cell at %p: %.80s object at %p>",
+                               op, op->ob_ref->ob_type->tp_name,
+                               op->ob_ref);
+}
+
+static int
+cell_traverse(PyCellObject *op, visitproc visit, void *arg)
+{
+    Py_VISIT(op->ob_ref);
+    return 0;
+}
+
+static int
+cell_clear(PyCellObject *op)
+{
+    Py_CLEAR(op->ob_ref);
+    return 0;
+}
+
+static PyObject *
+cell_get_contents(PyCellObject *op, void *closure)
+{
+    if (op->ob_ref == NULL)
+    {
+        PyErr_SetString(PyExc_ValueError, "Cell is empty");
+        return NULL;
+    }
+    Py_INCREF(op->ob_ref);
+    return op->ob_ref;
+}
+
+static PyGetSetDef cell_getsetlist[] = {
+    {"cell_contents", (getter)cell_get_contents, NULL},
+    {NULL} /* sentinel */
+};
+
+PyTypeObject PyCell_Type = {
+    PyVarObject_HEAD_INIT(&PyType_Type, 0)
+    "cell",
+    sizeof(PyCellObject),
+    0,
+    (destructor)cell_dealloc,                   /* tp_dealloc */
+    0,                                          /* tp_print */
+    0,                                          /* tp_getattr */
+    0,                                          /* tp_setattr */
+    (cmpfunc)cell_compare,                      /* tp_compare */
+    (reprfunc)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 */
+    0,                                          /* tp_doc */
+    (traverseproc)cell_traverse,                /* tp_traverse */
+    (inquiry)cell_clear,                        /* tp_clear */
+    0,                                          /* tp_richcompare */
+    0,                                          /* tp_weaklistoffset */
+    0,                                          /* tp_iter */
+    0,                                          /* tp_iternext */
+    0,                                          /* tp_methods */
+    0,                                          /* tp_members */
+    cell_getsetlist,                            /* tp_getset */
+};