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pythongh-101277: Add compress type to module state
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@erlend-aasland
erlend-aasland committed Jan 24, 2023
1 parent 19d43d8 commit 446b751
Showing 1 changed file with 29 additions and 47 deletions.
76 changes: 29 additions & 47 deletions Modules/itertoolsmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
typedef struct {
PyTypeObject *accumulate_type;
PyTypeObject *combinations_type;
PyTypeObject *compress_type;
PyTypeObject *cwr_type;
PyTypeObject *cycle_type;
PyTypeObject *dropwhile_type;
Expand Down Expand Up @@ -57,17 +58,16 @@ class itertools.combinations "combinationsobject *" "clinic_state()->combination
class itertools.combinations_with_replacement "cwr_object *" "clinic_state()->cwr_type"
class itertools.permutations "permutationsobject *" "clinic_state()->permutations_type"
class itertools.accumulate "accumulateobject *" "clinic_state()->accumulate_type"
class itertools.compress "compressobject *" "&compress_type"
class itertools.compress "compressobject *" "clinic_state()->compress_type"
class itertools.filterfalse "filterfalseobject *" "&filterfalse_type"
class itertools.count "countobject *" "&count_type"
class itertools.pairwise "pairwiseobject *" "&pairwise_type"
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=e0155dd6d01d40dd]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=18f0df1fc6fbed08]*/

static PyTypeObject teedataobject_type;
static PyTypeObject tee_type;
static PyTypeObject batched_type;
static PyTypeObject compress_type;
static PyTypeObject filterfalse_type;
static PyTypeObject count_type;
static PyTypeObject pairwise_type;
Expand Down Expand Up @@ -3830,15 +3830,18 @@ itertools_compress_impl(PyTypeObject *type, PyObject *seq1, PyObject *seq2)
static void
compress_dealloc(compressobject *lz)
{
PyTypeObject *tp = Py_TYPE(lz);
PyObject_GC_UnTrack(lz);
Py_XDECREF(lz->data);
Py_XDECREF(lz->selectors);
Py_TYPE(lz)->tp_free(lz);
tp->tp_free(lz);
Py_DECREF(tp);
}

static int
compress_traverse(compressobject *lz, visitproc visit, void *arg)
{
Py_VISIT(Py_TYPE(lz));
Py_VISIT(lz->data);
Py_VISIT(lz->selectors);
return 0;
Expand Down Expand Up @@ -3893,48 +3896,25 @@ static PyMethodDef compress_methods[] = {
{NULL, NULL} /* sentinel */
};

static PyTypeObject compress_type = {
PyVarObject_HEAD_INIT(NULL, 0)
"itertools.compress", /* tp_name */
sizeof(compressobject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)compress_dealloc, /* tp_dealloc */
0, /* tp_vectorcall_offset */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_as_async */
0, /* 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 |
Py_TPFLAGS_BASETYPE, /* tp_flags */
itertools_compress__doc__, /* tp_doc */
(traverseproc)compress_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter */
(iternextfunc)compress_next, /* tp_iternext */
compress_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 */
itertools_compress, /* tp_new */
PyObject_GC_Del, /* tp_free */
static PyType_Slot compress_slots[] = {
{Py_tp_dealloc, compress_dealloc},
{Py_tp_getattro, PyObject_GenericGetAttr},
{Py_tp_doc, (void *)itertools_compress__doc__},
{Py_tp_traverse, compress_traverse},
{Py_tp_iter, PyObject_SelfIter},
{Py_tp_iternext, compress_next},
{Py_tp_methods, compress_methods},
{Py_tp_new, itertools_compress},
{Py_tp_free, PyObject_GC_Del},
{0, NULL},
};

static PyType_Spec compress_spec = {
.name = "itertools.compress",
.basicsize = sizeof(compressobject),
.flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE |
Py_TPFLAGS_IMMUTABLETYPE),
.slots = compress_slots,
};


Expand Down Expand Up @@ -4803,6 +4783,7 @@ itertoolsmodule_traverse(PyObject *mod, visitproc visit, void *arg)
itertools_state *state = get_module_state(mod);
Py_VISIT(state->accumulate_type);
Py_VISIT(state->combinations_type);
Py_VISIT(state->compress_type);
Py_VISIT(state->cwr_type);
Py_VISIT(state->cycle_type);
Py_VISIT(state->dropwhile_type);
Expand All @@ -4820,6 +4801,7 @@ itertoolsmodule_clear(PyObject *mod)
itertools_state *state = get_module_state(mod);
Py_CLEAR(state->accumulate_type);
Py_CLEAR(state->combinations_type);
Py_CLEAR(state->compress_type);
Py_CLEAR(state->cwr_type);
Py_CLEAR(state->cycle_type);
Py_CLEAR(state->dropwhile_type);
Expand Down Expand Up @@ -4854,6 +4836,7 @@ itertoolsmodule_exec(PyObject *mod)
itertools_state *state = get_module_state(mod);
ADD_TYPE(mod, state->accumulate_type, &accumulate_spec);
ADD_TYPE(mod, state->combinations_type, &combinations_spec);
ADD_TYPE(mod, state->compress_type, &compress_spec);
ADD_TYPE(mod, state->cwr_type, &cwr_spec);
ADD_TYPE(mod, state->cycle_type, &cycle_spec);
ADD_TYPE(mod, state->dropwhile_type, &dropwhile_spec);
Expand All @@ -4867,7 +4850,6 @@ itertoolsmodule_exec(PyObject *mod)
&batched_type,
&islice_type,
&chain_type,
&compress_type,
&filterfalse_type,
&count_type,
&ziplongest_type,
Expand Down

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