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bpo-40077: Convert itertools types to heap types #24065

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1c93d36
Convert groupby and _grouper to heap types
Jan 2, 2021
f1d27e9
Convert cycle type to heap type
Jan 2, 2021
c654ad3
Convert dropwhile type to heap type
Jan 2, 2021
09206f9
Convert takewhile type to heap type
Jan 2, 2021
676d4ef
Convert starmap type to heap type
Jan 2, 2021
68a64c6
Convert combinations & cwr types to heap types
Jan 2, 2021
f46b80c
Convert permutations type to heap type
Jan 2, 2021
520b009
Convert accumulate type to heap type
Jan 2, 2021
970c8bb
Convert compress type to heap type
Jan 2, 2021
8f24fb5
Convert filterfalse type to heap type
Jan 2, 2021
1e8d1cc
Convert count type to heap type
Jan 2, 2021
a6df90d
Convert pairwise type to heap type
Jan 2, 2021
ea4ac64
Convert ziplongest type to heap type
Jan 2, 2021
55fc088
Convert product type to heap type
Jan 2, 2021
7c32c2f
Convert repeat type to heap type
Jan 2, 2021
3bde6b4
Convert islice type to heap type
Jan 2, 2021
88b0926
Convert chain type to heap type
Jan 2, 2021
de95b43
Convert tee type to heap type
Jan 2, 2021
3df69b6
Convert teedataobject type to heap type
Jan 2, 2021
adbde61
Remove unneeded PyType_Ready() calls
Jan 2, 2021
cb8c7fe
Sort types
Jan 2, 2021
a2c9349
Remove unneeded Py_SET_TYPE on teedataobject type
Jan 2, 2021
8d8cd61
Add NEWS
Jan 2, 2021
55cee70
Address review: fix performance issue in tee_copy()
Jan 3, 2021
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Erlend E. Aasland committed Jan 2, 2021
commit cb8c7fe0f86dfe3e0d8b21cc80813608f331a19e
114 changes: 57 additions & 57 deletions Modules/itertoolsmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -13,27 +13,27 @@
*/

typedef struct {
PyTypeObject *groupby_type;
PyTypeObject *_grouper_type;
PyTypeObject *cycle_type;
PyTypeObject *dropwhile_type;
PyTypeObject *takewhile_type;
PyTypeObject *starmap_type;
PyTypeObject *combinations_type;
PyTypeObject *cwr_type;
PyTypeObject *permutations_type;
PyTypeObject *accumulate_type;
PyTypeObject *chain_type;
PyTypeObject *combinations_type;
PyTypeObject *compress_type;
PyTypeObject *filterfalse_type;
PyTypeObject *count_type;
PyTypeObject *cwr_type;
PyTypeObject *cycle_type;
PyTypeObject *dropwhile_type;
PyTypeObject *filterfalse_type;
PyTypeObject *groupby_type;
PyTypeObject *islice_type;
PyTypeObject *pairwise_type;
PyTypeObject *ziplongest_type;
PyTypeObject *permutations_type;
PyTypeObject *product_type;
PyTypeObject *repeat_type;
PyTypeObject *islice_type;
PyTypeObject *chain_type;
PyTypeObject *starmap_type;
PyTypeObject *takewhile_type;
PyTypeObject *tee_type;
PyTypeObject *teedataobject_type;
PyTypeObject *ziplongest_type;
} itertoolsmodule_state;

static itertoolsmodule_state *
Expand All @@ -56,23 +56,23 @@ itertoolsmodule_find_state_by_type(PyTypeObject *tp)

/*[clinic input]
module itertools
class itertools.groupby "groupbyobject *" "clinic_find_state()->groupby_type"
class itertools._grouper "_grouperobject *" "clinic_find_state()->_grouper_type"
class itertools.teedataobject "teedataobject *" "clinic_find_state()->teedataobject_type"
class itertools._tee "teeobject *" "clinic_find_state()->tee_type"
class itertools.cycle "cycleobject *" "clinic_find_state()->cycle_type"
class itertools.dropwhile "dropwhileobject *" "clinic_find_state()->dropwhile_type"
class itertools.takewhile "takewhileobject *" "clinic_find_state()->takewhile_type"
class itertools.starmap "starmapobject *" "clinic_find_state()->starmap_type"
class itertools.accumulate "accumulateobject *" "clinic_find_state()->accumulate_type"
class itertools.chain "chainobject *" "clinic_find_state->chain_type"
class itertools.combinations "combinationsobject *" "clinic_find_state()->combinations_type"
class itertools.combinations_with_replacement "cwr_object *" "clinic_find_state()->cwr_type"
class itertools.permutations "permutationsobject *" "clinic_find_state()->permutations_type"
class itertools.accumulate "accumulateobject *" "clinic_find_state()->accumulate_type"
class itertools.compress "compressobject *" "clinic_find_state()->compress_type"
class itertools.filterfalse "filterfalseobject *" "clinic_find_state()->filterfalse_type"
class itertools.count "countobject *" "clinic_find_state()->count_type"
class itertools.cycle "cycleobject *" "clinic_find_state()->cycle_type"
class itertools.dropwhile "dropwhileobject *" "clinic_find_state()->dropwhile_type"
class itertools.filterfalse "filterfalseobject *" "clinic_find_state()->filterfalse_type"
class itertools.groupby "groupbyobject *" "clinic_find_state()->groupby_type"
class itertools.pairwise "pairwiseobject *" "clinic_find_state()->pairwise_type"
class itertools.permutations "permutationsobject *" "clinic_find_state()->permutations_type"
class itertools.starmap "starmapobject *" "clinic_find_state()->starmap_type"
class itertools.takewhile "takewhileobject *" "clinic_find_state()->takewhile_type"
class itertools.teedataobject "teedataobject *" "clinic_find_state()->teedataobject_type"
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=453c9bd09dcd8039]*/

Expand Down Expand Up @@ -4410,55 +4410,55 @@ static int
itertoolsmodule_traverse(PyObject *m, visitproc visit, void *arg)
{
itertoolsmodule_state *state = itertoolsmodule_get_state(m);
Py_VISIT(state->groupby_type);
Py_VISIT(state->_grouper_type);
Py_VISIT(state->cycle_type);
Py_VISIT(state->dropwhile_type);
Py_VISIT(state->takewhile_type);
Py_VISIT(state->starmap_type);
Py_VISIT(state->combinations_type);
Py_VISIT(state->cwr_type);
Py_VISIT(state->permutations_type);
Py_VISIT(state->accumulate_type);
Py_VISIT(state->chain_type);
Py_VISIT(state->combinations_type);
Py_VISIT(state->compress_type);
Py_VISIT(state->filterfalse_type);
Py_VISIT(state->count_type);
Py_VISIT(state->cwr_type);
Py_VISIT(state->cycle_type);
Py_VISIT(state->dropwhile_type);
Py_VISIT(state->filterfalse_type);
Py_VISIT(state->groupby_type);
Py_VISIT(state->islice_type);
Py_VISIT(state->pairwise_type);
Py_VISIT(state->ziplongest_type);
Py_VISIT(state->permutations_type);
Py_VISIT(state->product_type);
Py_VISIT(state->repeat_type);
Py_VISIT(state->islice_type);
Py_VISIT(state->chain_type);
Py_VISIT(state->starmap_type);
Py_VISIT(state->takewhile_type);
Py_VISIT(state->tee_type);
Py_VISIT(state->teedataobject_type);
Py_VISIT(state->ziplongest_type);
return 0;
}

static int
itertoolsmodule_clear(PyObject *m)
{
itertoolsmodule_state *state = itertoolsmodule_get_state(m);
Py_CLEAR(state->groupby_type);
Py_CLEAR(state->_grouper_type);
Py_CLEAR(state->cycle_type);
Py_CLEAR(state->dropwhile_type);
Py_CLEAR(state->takewhile_type);
Py_CLEAR(state->starmap_type);
Py_CLEAR(state->combinations_type);
Py_CLEAR(state->cwr_type);
Py_CLEAR(state->permutations_type);
Py_CLEAR(state->accumulate_type);
Py_CLEAR(state->chain_type);
Py_CLEAR(state->combinations_type);
Py_CLEAR(state->compress_type);
Py_CLEAR(state->filterfalse_type);
Py_CLEAR(state->count_type);
Py_CLEAR(state->cwr_type);
Py_CLEAR(state->cycle_type);
Py_CLEAR(state->dropwhile_type);
Py_CLEAR(state->filterfalse_type);
Py_CLEAR(state->groupby_type);
Py_CLEAR(state->islice_type);
Py_CLEAR(state->pairwise_type);
Py_CLEAR(state->ziplongest_type);
Py_CLEAR(state->permutations_type);
Py_CLEAR(state->product_type);
Py_CLEAR(state->repeat_type);
Py_CLEAR(state->islice_type);
Py_CLEAR(state->chain_type);
Py_CLEAR(state->starmap_type);
Py_CLEAR(state->takewhile_type);
Py_CLEAR(state->tee_type);
Py_CLEAR(state->teedataobject_type);
Py_CLEAR(state->ziplongest_type);
return 0;
}

Expand All @@ -4484,27 +4484,27 @@ itertoolsmodule_exec(PyObject *m)
{
itertoolsmodule_state *state = itertoolsmodule_get_state(m);

ADD_TYPE(m, state->groupby_type, &groupby_spec);
ADD_TYPE(m, state->_grouper_type, &_grouper_spec);
ADD_TYPE(m, state->cycle_type, &cycle_spec);
ADD_TYPE(m, state->dropwhile_type, &dropwhile_spec);
ADD_TYPE(m, state->takewhile_type, &takewhile_spec);
ADD_TYPE(m, state->starmap_type, &starmap_spec);
ADD_TYPE(m, state->combinations_type, &combinations_spec);
ADD_TYPE(m, state->cwr_type, &cwr_spec);
ADD_TYPE(m, state->permutations_type, &permutations_spec);
ADD_TYPE(m, state->accumulate_type, &accumulate_spec);
ADD_TYPE(m, state->chain_type, &chain_spec);
ADD_TYPE(m, state->combinations_type, &combinations_spec);
ADD_TYPE(m, state->compress_type, &compress_spec);
ADD_TYPE(m, state->filterfalse_type, &filterfalse_spec);
ADD_TYPE(m, state->count_type, &count_spec);
ADD_TYPE(m, state->cwr_type, &cwr_spec);
ADD_TYPE(m, state->cycle_type, &cycle_spec);
ADD_TYPE(m, state->dropwhile_type, &dropwhile_spec);
ADD_TYPE(m, state->filterfalse_type, &filterfalse_spec);
ADD_TYPE(m, state->groupby_type, &groupby_spec);
ADD_TYPE(m, state->islice_type, &islice_spec);
ADD_TYPE(m, state->pairwise_type, &pairwise_spec);
ADD_TYPE(m, state->ziplongest_type, &ziplongest_spec);
ADD_TYPE(m, state->permutations_type, &permutations_spec);
ADD_TYPE(m, state->product_type, &product_spec);
ADD_TYPE(m, state->repeat_type, &repeat_spec);
ADD_TYPE(m, state->islice_type, &islice_spec);
ADD_TYPE(m, state->chain_type, &chain_spec);
ADD_TYPE(m, state->starmap_type, &starmap_spec);
ADD_TYPE(m, state->takewhile_type, &takewhile_spec);
ADD_TYPE(m, state->tee_type, &tee_spec);
ADD_TYPE(m, state->teedataobject_type, &teedataobject_spec);
ADD_TYPE(m, state->ziplongest_type, &ziplongest_spec);
Py_SET_TYPE(state->teedataobject_type, &PyType_Type);

return 0;
Expand Down