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relax operator[] for tuples, lists, and sequences

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object_api::operator[] has a powerful overload for py::handle that can
accept slices, tuples (for NumPy), etc.

Lists, sequences, and tuples provide their own specialized operator[],
which unfortunately disables this functionality. This is accidental, and
the purpose of this commit is to re-enable the more general behavior.

This commit is tangentially related to the previous one in that it makes
py::handle/py::object et al. behave more like their Python counterparts.
This commit is contained in:
Wenzel Jakob
2018-09-01 01:19:16 +02:00
parent 067100201f
commit b4b2292488
3 changed files with 12 additions and 0 deletions
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5
tests/test_pytypes.py
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@@ -246,3 +246,8 @@ def test_number_protocol():
li = [a == b, a != b, a < b, a <= b, a > b, a >= b, a + b,
a - b, a * b, a / b, a | b, a & b, a ^ b, a >> b, a << b]
assert m.test_number_protocol(a, b) == li
def test_list_slicing():
li = list(range(100))
assert li[::2] == m.test_list_slicing(li)