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Add filterfalse.__reduce__ #3745

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Merged
youknowone merged 1 commit into from
May 26, 2022
Merged

Add filterfalse.__reduce__ #3745

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2 changes: 0 additions & 2 deletions Lib/test/test_itertools.py
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Original file line number Diff line number Diff line change
Expand Up @@ -883,8 +883,6 @@ def test_filter(self):
c = filter(isEven, range(6))
self.pickletest(proto, c)

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_filterfalse(self):
self.assertEqual(list(filterfalse(isEven, range(6))), [1,3,5])
self.assertEqual(list(filterfalse(None, [0,1,0,2,0])), [0,0,0])
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10 changes: 9 additions & 1 deletion vm/src/stdlib/itertools.rs
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Expand Up @@ -875,7 +875,15 @@ mod decl {
}

#[pyimpl(with(IterNext, Constructor))]
impl PyItertoolsFilterFalse {}
impl PyItertoolsFilterFalse {
#[pymethod(magic)]
fn reduce(zelf: PyRef<Self>) -> (PyTypeRef, (PyObjectRef, PyIter)) {
(
zelf.class().clone(),
(zelf.predicate.clone(), zelf.iterable.clone()),
)
}
}
impl IterNextIterable for PyItertoolsFilterFalse {}
impl IterNext for PyItertoolsFilterFalse {
fn next(zelf: &Py<Self>, vm: &VirtualMachine) -> PyResult<PyIterReturn> {
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