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brieftaube/BTvenv/lib/python3.6/site-packages/multidict/_multidict_views.c

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#include "_multidict_views.h"
#include "_multidict_iter.h"
#include "_pair_list.h"
#include <Python.h>
// fix for VisualC complier used by Python 3.4
#ifdef __GNUC__
#define INLINE inline
#else
#define INLINE
#endif
/* We link this module statically for convenience. If compiled as a shared
library instead, some compilers don't allow addresses of Python objects
defined in other libraries to be used in static initializers here. The
DEFERRED_ADDRESS macro is used to tag the slots where such addresses
appear; the module init function must fill in the tagged slots at runtime.
The argument is for documentation -- the macro ignores it.
*/
#define DEFERRED_ADDRESS(ADDR) 0
_Py_IDENTIFIER(impl);
static PyTypeObject multidict_itemsview_type;
static PyTypeObject multidict_valuesview_type;
static PyTypeObject multidict_keysview_type;
static PyObject *viewbaseset_richcmp_func;
static PyObject *viewbaseset_and_func;
static PyObject *viewbaseset_or_func;
static PyObject *viewbaseset_sub_func;
static PyObject *viewbaseset_xor_func;
static PyObject *abc_itemsview_register_func;
static PyObject *abc_keysview_register_func;
static PyObject *abc_valuesview_register_func;
static PyObject *itemsview_isdisjoint_func;
static PyObject *itemsview_repr_func;
static PyObject *keysview_repr_func;
static PyObject *keysview_isdisjoint_func;
static PyObject *valuesview_repr_func;
typedef struct {
PyObject_HEAD
PyObject *md;
} _Multidict_ViewObject;
/********** Base **********/
static INLINE void
_init_view(_Multidict_ViewObject *self, PyObject *md)
{
Py_INCREF(md);
self->md = md;
}
static void
multidict_view_dealloc(_Multidict_ViewObject *self)
{
PyObject_GC_UnTrack(self);
Py_XDECREF(self->md);
PyObject_GC_Del(self);
}
static int
multidict_view_traverse(_Multidict_ViewObject *self, visitproc visit, void *arg)
{
Py_VISIT(self->md);
return 0;
}
static int
multidict_view_clear(_Multidict_ViewObject *self)
{
Py_CLEAR(self->md);
return 0;
}
static Py_ssize_t
multidict_view_len(_Multidict_ViewObject *self)
{
Py_ssize_t ret;
PyObject *impl = _PyObject_CallMethodId(self->md, &PyId_impl, NULL);
if (impl == NULL) {
return 0;
}
ret = pair_list_len(impl);
Py_DECREF(impl);
return ret;
}
static PyObject *
multidict_view_richcompare(PyObject *self, PyObject *other, int op)
{
PyObject *ret;
PyObject *op_obj = PyLong_FromLong(op);
if (op_obj == NULL) {
return NULL;
}
ret = PyObject_CallFunctionObjArgs(
viewbaseset_richcmp_func, self, other, op_obj, NULL);
Py_DECREF(op_obj);
return ret;
}
static PyObject *
multidict_view_and(PyObject *self, PyObject *other)
{
return PyObject_CallFunctionObjArgs(
viewbaseset_and_func, self, other, NULL);
}
static PyObject *
multidict_view_or(PyObject *self, PyObject *other)
{
return PyObject_CallFunctionObjArgs(
viewbaseset_or_func, self, other, NULL);
}
static PyObject *
multidict_view_sub(PyObject *self, PyObject *other)
{
return PyObject_CallFunctionObjArgs(
viewbaseset_sub_func, self, other, NULL);
}
static PyObject *
multidict_view_xor(PyObject *self, PyObject *other)
{
return PyObject_CallFunctionObjArgs(
viewbaseset_xor_func, self, other, NULL);
}
static PyNumberMethods multidict_view_as_number = {
0, /* nb_add */
(binaryfunc)multidict_view_sub, /* nb_subtract */
0, /* nb_multiply */
0, /* nb_remainder */
0, /* nb_divmod */
0, /* nb_power */
0, /* nb_negative */
0, /* nb_positive */
0, /* nb_absolute */
0, /* nb_bool */
0, /* nb_invert */
0, /* nb_lshift */
0, /* nb_rshift */
(binaryfunc)multidict_view_and, /* nb_and */
(binaryfunc)multidict_view_xor, /* nb_xor */
(binaryfunc)multidict_view_or, /* nb_or */
};
/********** Items **********/
PyObject *
multidict_itemsview_new(PyObject *md)
{
_Multidict_ViewObject *mv = PyObject_GC_New(
_Multidict_ViewObject, &multidict_itemsview_type);
if (mv == NULL) {
return NULL;
}
_init_view(mv, md);
return (PyObject *)mv;
}
static PyObject *
multidict_itemsview_iter(_Multidict_ViewObject *self)
{
PyObject *iter;
PyObject *impl = _PyObject_CallMethodId(self->md, &PyId_impl, NULL);
if (impl == NULL) {
return NULL;
}
iter = multidict_items_iter_new(impl);
Py_DECREF(impl);
return iter;
}
static PyObject *
multidict_itemsview_repr(_Multidict_ViewObject *self)
{
return PyObject_CallFunctionObjArgs(
itemsview_repr_func, self, NULL);
}
static PyObject *
multidict_itemsview_isdisjoint(_Multidict_ViewObject *self, PyObject *other)
{
return PyObject_CallFunctionObjArgs(
itemsview_isdisjoint_func, self, other, NULL);
}
PyDoc_STRVAR(itemsview_isdisjoint_doc,
"Return True if two sets have a null intersection.");
static PyMethodDef multidict_itemsview_methods[] = {
{
"isdisjoint",
(PyCFunction)multidict_itemsview_isdisjoint,
METH_O,
itemsview_isdisjoint_doc
},
{
NULL,
NULL
} /* sentinel */
};
static int
multidict_itemsview_contains(_Multidict_ViewObject *self, PyObject *obj)
{
PyObject *akey = NULL,
*aval = NULL,
*bkey = NULL,
*bval = NULL,
*iter = NULL,
*item = NULL;
int ret1, ret2;
if (!PyTuple_Check(obj) || PyTuple_GET_SIZE(obj) != 2) {
return 0;
}
bkey = PyTuple_GET_ITEM(obj, 0);
bval = PyTuple_GET_ITEM(obj, 1);
iter = multidict_itemsview_iter(self);
if (iter == NULL) {
return 0;
}
while ((item = PyIter_Next(iter)) != NULL) {
akey = PyTuple_GET_ITEM(item, 0);
aval = PyTuple_GET_ITEM(item, 1);
ret1 = PyObject_RichCompareBool(akey, bkey, Py_EQ);
if (ret1 < 0) {
Py_DECREF(iter);
Py_DECREF(item);
return -1;
}
ret2 = PyObject_RichCompareBool(aval, bval, Py_EQ);
if (ret2 < 0) {
Py_DECREF(iter);
Py_DECREF(item);
return -1;
}
if (ret1 > 0 && ret2 > 0)
{
Py_DECREF(iter);
Py_DECREF(item);
return 1;
}
Py_DECREF(item);
}
Py_DECREF(iter);
if (PyErr_Occurred()) {
return -1;
}
return 0;
}
static PySequenceMethods multidict_itemsview_as_sequence = {
(lenfunc)multidict_view_len, /* sq_length */
0, /* sq_concat */
0, /* sq_repeat */
0, /* sq_item */
0, /* sq_slice */
0, /* sq_ass_item */
0, /* sq_ass_slice */
(objobjproc)multidict_itemsview_contains, /* sq_contains */
};
static PyTypeObject multidict_itemsview_type = {
PyVarObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type), 0)
"_ItemsView", /* tp_name */
sizeof(_Multidict_ViewObject), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)multidict_view_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
(reprfunc)multidict_itemsview_repr, /* tp_repr */
&multidict_view_as_number, /* tp_as_number */
&multidict_itemsview_as_sequence, /* 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)multidict_view_traverse, /* tp_traverse */
(inquiry)multidict_view_clear, /* tp_clear */
multidict_view_richcompare, /* tp_richcompare */
0, /* tp_weaklistoffset */
(getiterfunc)multidict_itemsview_iter, /* tp_iter */
0, /* tp_iternext */
multidict_itemsview_methods, /* tp_methods */
};
/********** Keys **********/
PyObject *
multidict_keysview_new(PyObject *md)
{
_Multidict_ViewObject *mv = PyObject_GC_New(
_Multidict_ViewObject, &multidict_keysview_type);
if (mv == NULL) {
return NULL;
}
_init_view(mv, md);
return (PyObject *)mv;
}
static PyObject *
multidict_keysview_iter(_Multidict_ViewObject *self)
{
PyObject *iter;
PyObject *impl = _PyObject_CallMethodId(self->md, &PyId_impl, NULL);
if (impl == NULL) {
return NULL;
}
iter = multidict_keys_iter_new(impl);
Py_DECREF(impl);
return iter;
}
static PyObject *
multidict_keysview_repr(_Multidict_ViewObject *self)
{
return PyObject_CallFunctionObjArgs(
keysview_repr_func, self, NULL);
}
static PyObject *
multidict_keysview_isdisjoint(_Multidict_ViewObject *self, PyObject *other)
{
return PyObject_CallFunctionObjArgs(
keysview_isdisjoint_func, self, other, NULL);
}
PyDoc_STRVAR(keysview_isdisjoint_doc,
"Return True if two sets have a null intersection.");
static PyMethodDef multidict_keysview_methods[] = {
{
"isdisjoint",
(PyCFunction)multidict_keysview_isdisjoint,
METH_O,
keysview_isdisjoint_doc
},
{
NULL,
NULL
} /* sentinel */
};
static int
multidict_keysview_contains(_Multidict_ViewObject *self, PyObject *key)
{
int ret;
PyObject *impl = _PyObject_CallMethodId(self->md, &PyId_impl, NULL);
if (impl == NULL) {
return -1;
}
ret = pair_list_contains(impl, key);
Py_DECREF(impl);
return ret;
}
static PySequenceMethods multidict_keysview_as_sequence = {
(lenfunc)multidict_view_len, /* sq_length */
0, /* sq_concat */
0, /* sq_repeat */
0, /* sq_item */
0, /* sq_slice */
0, /* sq_ass_item */
0, /* sq_ass_slice */
(objobjproc)multidict_keysview_contains, /* sq_contains */
};
static PyTypeObject multidict_keysview_type = {
PyVarObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type), 0)
"_KeysView", /* tp_name */
sizeof(_Multidict_ViewObject), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)multidict_view_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
(reprfunc)multidict_keysview_repr, /* tp_repr */
&multidict_view_as_number, /* tp_as_number */
&multidict_keysview_as_sequence, /* 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)multidict_view_traverse, /* tp_traverse */
(inquiry)multidict_view_clear, /* tp_clear */
multidict_view_richcompare, /* tp_richcompare */
0, /* tp_weaklistoffset */
(getiterfunc)multidict_keysview_iter, /* tp_iter */
0, /* tp_iternext */
multidict_keysview_methods, /* tp_methods */
};
/********** Values **********/
PyObject *
multidict_valuesview_new(PyObject *md)
{
_Multidict_ViewObject *mv = PyObject_GC_New(
_Multidict_ViewObject, &multidict_valuesview_type);
if (mv == NULL) {
return NULL;
}
_init_view(mv, md);
return (PyObject *)mv;
}
static PyObject *
multidict_valuesview_iter(_Multidict_ViewObject *self)
{
PyObject *iter;
PyObject *impl = _PyObject_CallMethodId(self->md, &PyId_impl, NULL);
if (impl == NULL) {
return NULL;
}
iter = multidict_values_iter_new(impl);
Py_DECREF(impl);
return iter;
}
static PyObject *
multidict_valuesview_repr(_Multidict_ViewObject *self)
{
return PyObject_CallFunctionObjArgs(
valuesview_repr_func, self, NULL);
}
static PySequenceMethods multidict_valuesview_as_sequence = {
(lenfunc)multidict_view_len, /* sq_length */
0, /* sq_concat */
0, /* sq_repeat */
0, /* sq_item */
0, /* sq_slice */
0, /* sq_ass_item */
0, /* sq_ass_slice */
(objobjproc)0, /* sq_contains */
};
static PyTypeObject multidict_valuesview_type = {
PyVarObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type), 0)
"_ValuesView", /* tp_name */
sizeof(_Multidict_ViewObject), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)multidict_view_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
(reprfunc)multidict_valuesview_repr, /* tp_repr */
0, /* tp_as_number */
&multidict_valuesview_as_sequence, /* 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)multidict_view_traverse, /* tp_traverse */
(inquiry)multidict_view_clear, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
(getiterfunc)multidict_valuesview_iter, /* tp_iter */
0, /* tp_iternext */
};
int
multidict_views_init()
{
PyObject *reg_func_call_result = NULL;
PyObject *module = PyImport_ImportModule("multidict._multidict_base");
if (module == NULL) {
goto fail;
}
#define GET_MOD_ATTR(VAR, NAME) \
VAR = PyObject_GetAttrString(module, NAME); \
if (VAR == NULL) { \
goto fail; \
}
GET_MOD_ATTR(viewbaseset_richcmp_func, "_viewbaseset_richcmp");
GET_MOD_ATTR(viewbaseset_and_func, "_viewbaseset_and");
GET_MOD_ATTR(viewbaseset_or_func, "_viewbaseset_or");
GET_MOD_ATTR(viewbaseset_sub_func, "_viewbaseset_sub");
GET_MOD_ATTR(viewbaseset_xor_func, "_viewbaseset_xor");
GET_MOD_ATTR(abc_itemsview_register_func, "_abc_itemsview_register");
GET_MOD_ATTR(abc_keysview_register_func, "_abc_keysview_register");
GET_MOD_ATTR(abc_valuesview_register_func, "_abc_valuesview_register");
GET_MOD_ATTR(itemsview_repr_func, "_itemsview_isdisjoint");
GET_MOD_ATTR(itemsview_repr_func, "_itemsview_repr");
GET_MOD_ATTR(keysview_repr_func, "_keysview_repr");
GET_MOD_ATTR(keysview_isdisjoint_func, "_keysview_isdisjoint");
GET_MOD_ATTR(valuesview_repr_func, "_valuesview_repr");
if (multidict_iter_init() < 0) {
goto fail;
}
if (PyType_Ready(&multidict_itemsview_type) < 0 ||
PyType_Ready(&multidict_valuesview_type) < 0 ||
PyType_Ready(&multidict_keysview_type) < 0)
{
goto fail;
}
// abc.ItemsView.register(_ItemsView)
reg_func_call_result = PyObject_CallFunctionObjArgs(
abc_itemsview_register_func, (PyObject*)&multidict_itemsview_type, NULL);
if (reg_func_call_result == NULL) {
goto fail;
}
Py_DECREF(reg_func_call_result);
// abc.KeysView.register(_KeysView)
reg_func_call_result = PyObject_CallFunctionObjArgs(
abc_keysview_register_func, (PyObject*)&multidict_keysview_type, NULL);
if (reg_func_call_result == NULL) {
goto fail;
}
Py_DECREF(reg_func_call_result);
// abc.ValuesView.register(_KeysView)
reg_func_call_result = PyObject_CallFunctionObjArgs(
abc_valuesview_register_func, (PyObject*)&multidict_valuesview_type, NULL);
if (reg_func_call_result == NULL) {
goto fail;
}
Py_DECREF(reg_func_call_result);
Py_DECREF(module);
return 0;
fail:
Py_CLEAR(module);
return -1;
#undef GET_MOD_ATTR
}