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-rw-r--r--Objects/descrobject.c226
1 files changed, 121 insertions, 105 deletions
diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index 20c0d36..8677cdd 100644
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -3,6 +3,12 @@
#include "Python.h"
#include "structmember.h" /* Why is this not included in Python.h? */
+/*[clinic input]
+class mappingproxy "mappingproxyobject *" "&PyDictProxy_Type"
+class property "propertyobject *" "&PyProperty_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=556352653fd4c02e]*/
+
static void
descr_dealloc(PyDescrObject *descr)
{
@@ -942,17 +948,20 @@ mappingproxy_check_mapping(PyObject *mapping)
return 0;
}
-static PyObject*
-mappingproxy_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+/*[clinic input]
+@classmethod
+mappingproxy.__new__ as mappingproxy_new
+
+ mapping: object
+
+[clinic start generated code]*/
+
+static PyObject *
+mappingproxy_new_impl(PyTypeObject *type, PyObject *mapping)
+/*[clinic end generated code: output=65f27f02d5b68fa7 input=d2d620d4f598d4f8]*/
{
- static char *kwlist[] = {"mapping", NULL};
- PyObject *mapping;
mappingproxyobject *mappingproxy;
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "O:mappingproxy",
- kwlist, &mapping))
- return NULL;
-
if (mappingproxy_check_mapping(mapping) == -1)
return NULL;
@@ -965,48 +974,6 @@ mappingproxy_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
return (PyObject *)mappingproxy;
}
-PyTypeObject PyDictProxy_Type = {
- PyVarObject_HEAD_INIT(&PyType_Type, 0)
- "mappingproxy", /* tp_name */
- sizeof(mappingproxyobject), /* tp_basicsize */
- 0, /* tp_itemsize */
- /* methods */
- (destructor)mappingproxy_dealloc, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_reserved */
- (reprfunc)mappingproxy_repr, /* tp_repr */
- 0, /* tp_as_number */
- &mappingproxy_as_sequence, /* tp_as_sequence */
- &mappingproxy_as_mapping, /* tp_as_mapping */
- 0, /* tp_hash */
- 0, /* tp_call */
- (reprfunc)mappingproxy_str, /* 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 */
- mappingproxy_traverse, /* tp_traverse */
- 0, /* tp_clear */
- (richcmpfunc)mappingproxy_richcompare, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- (getiterfunc)mappingproxy_getiter, /* tp_iter */
- 0, /* tp_iternext */
- mappingproxy_methods, /* tp_methods */
- 0, /* tp_members */
- 0, /* 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 */
- mappingproxy_new, /* tp_new */
-};
-
PyObject *
PyDictProxy_New(PyObject *mapping)
{
@@ -1495,54 +1462,85 @@ property_copy(PyObject *old, PyObject *get, PyObject *set, PyObject *del)
return new;
}
-static int
-property_init(PyObject *self, PyObject *args, PyObject *kwds)
-{
- PyObject *get = NULL, *set = NULL, *del = NULL, *doc = NULL;
- static char *kwlist[] = {"fget", "fset", "fdel", "doc", 0};
- propertyobject *prop = (propertyobject *)self;
+/*[clinic input]
+property.__init__ as property_init
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OOOO:property",
- kwlist, &get, &set, &del, &doc))
- return -1;
+ fget: object(c_default="NULL") = None
+ function to be used for getting an attribute value
+ fset: object(c_default="NULL") = None
+ function to be used for setting an attribute value
+ fdel: object(c_default="NULL") = None
+ function to be used for del'ing an attribute
+ doc: object(c_default="NULL") = None
+ docstring
+
+Property attribute.
+
+Typical use is to define a managed attribute x:
- if (get == Py_None)
- get = NULL;
- if (set == Py_None)
- set = NULL;
- if (del == Py_None)
- del = NULL;
+class C(object):
+ def getx(self): return self._x
+ def setx(self, value): self._x = value
+ def delx(self): del self._x
+ x = property(getx, setx, delx, "I'm the 'x' property.")
- Py_XINCREF(get);
- Py_XINCREF(set);
- Py_XINCREF(del);
+Decorators make defining new properties or modifying existing ones easy:
+
+class C(object):
+ @property
+ def x(self):
+ "I am the 'x' property."
+ return self._x
+ @x.setter
+ def x(self, value):
+ self._x = value
+ @x.deleter
+ def x(self):
+ del self._x
+[clinic start generated code]*/
+
+static int
+property_init_impl(propertyobject *self, PyObject *fget, PyObject *fset,
+ PyObject *fdel, PyObject *doc)
+/*[clinic end generated code: output=01a960742b692b57 input=dfb5dbbffc6932d5]*/
+{
+ if (fget == Py_None)
+ fget = NULL;
+ if (fset == Py_None)
+ fset = NULL;
+ if (fdel == Py_None)
+ fdel = NULL;
+
+ Py_XINCREF(fget);
+ Py_XINCREF(fset);
+ Py_XINCREF(fdel);
Py_XINCREF(doc);
- prop->prop_get = get;
- prop->prop_set = set;
- prop->prop_del = del;
- prop->prop_doc = doc;
- prop->getter_doc = 0;
+ self->prop_get = fget;
+ self->prop_set = fset;
+ self->prop_del = fdel;
+ self->prop_doc = doc;
+ self->getter_doc = 0;
/* if no docstring given and the getter has one, use that one */
- if ((doc == NULL || doc == Py_None) && get != NULL) {
+ if ((doc == NULL || doc == Py_None) && fget != NULL) {
_Py_IDENTIFIER(__doc__);
- PyObject *get_doc = _PyObject_GetAttrId(get, &PyId___doc__);
+ PyObject *get_doc = _PyObject_GetAttrId(fget, &PyId___doc__);
if (get_doc) {
if (Py_TYPE(self) == &PyProperty_Type) {
- Py_XSETREF(prop->prop_doc, get_doc);
+ Py_XSETREF(self->prop_doc, get_doc);
}
else {
/* If this is a property subclass, put __doc__
in dict of the subclass instance instead,
otherwise it gets shadowed by __doc__ in the
class's dict. */
- int err = _PyObject_SetAttrId(self, &PyId___doc__, get_doc);
+ int err = _PyObject_SetAttrId((PyObject *)self, &PyId___doc__, get_doc);
Py_DECREF(get_doc);
if (err < 0)
return -1;
}
- prop->getter_doc = 1;
+ self->getter_doc = 1;
}
else if (PyErr_ExceptionMatches(PyExc_Exception)) {
PyErr_Clear();
@@ -1592,32 +1590,6 @@ static PyGetSetDef property_getsetlist[] = {
{NULL} /* Sentinel */
};
-PyDoc_STRVAR(property_doc,
-"property(fget=None, fset=None, fdel=None, doc=None) -> property attribute\n"
-"\n"
-"fget is a function to be used for getting an attribute value, and likewise\n"
-"fset is a function for setting, and fdel a function for del'ing, an\n"
-"attribute. Typical use is to define a managed attribute x:\n\n"
-"class C(object):\n"
-" def getx(self): return self._x\n"
-" def setx(self, value): self._x = value\n"
-" def delx(self): del self._x\n"
-" x = property(getx, setx, delx, \"I'm the 'x' property.\")\n"
-"\n"
-"Decorators make defining new properties or modifying existing ones easy:\n\n"
-"class C(object):\n"
-" @property\n"
-" def x(self):\n"
-" \"I am the 'x' property.\"\n"
-" return self._x\n"
-" @x.setter\n"
-" def x(self, value):\n"
-" self._x = value\n"
-" @x.deleter\n"
-" def x(self):\n"
-" del self._x\n"
-);
-
static int
property_traverse(PyObject *self, visitproc visit, void *arg)
{
@@ -1637,6 +1609,50 @@ property_clear(PyObject *self)
return 0;
}
+#include "clinic/descrobject.c.h"
+
+PyTypeObject PyDictProxy_Type = {
+ PyVarObject_HEAD_INIT(&PyType_Type, 0)
+ "mappingproxy", /* tp_name */
+ sizeof(mappingproxyobject), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ /* methods */
+ (destructor)mappingproxy_dealloc, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_reserved */
+ (reprfunc)mappingproxy_repr, /* tp_repr */
+ 0, /* tp_as_number */
+ &mappingproxy_as_sequence, /* tp_as_sequence */
+ &mappingproxy_as_mapping, /* tp_as_mapping */
+ 0, /* tp_hash */
+ 0, /* tp_call */
+ (reprfunc)mappingproxy_str, /* 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 */
+ mappingproxy_traverse, /* tp_traverse */
+ 0, /* tp_clear */
+ (richcmpfunc)mappingproxy_richcompare, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ (getiterfunc)mappingproxy_getiter, /* tp_iter */
+ 0, /* tp_iternext */
+ mappingproxy_methods, /* tp_methods */
+ 0, /* tp_members */
+ 0, /* 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 */
+ mappingproxy_new, /* tp_new */
+};
+
PyTypeObject PyProperty_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"property", /* tp_name */
@@ -1660,7 +1676,7 @@ PyTypeObject PyProperty_Type = {
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
Py_TPFLAGS_BASETYPE, /* tp_flags */
- property_doc, /* tp_doc */
+ property_init__doc__, /* tp_doc */
property_traverse, /* tp_traverse */
(inquiry)property_clear, /* tp_clear */
0, /* tp_richcompare */