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authorEric Wieser <wieser.eric@gmail.com>2018-08-11 16:01:48 -0700
committerEric Wieser <wieser.eric@gmail.com>2018-10-30 22:36:24 -0700
commitf2d8aabaf99bc2c460968d64aec67ae2570726bd (patch)
tree59ca29177191ff6be96eaa1469a3ee2c6da68cce /numpy/ma
parent7a0950649db5b83a881d8fb2bf8f95fdd885e081 (diff)
downloadnumpy-f2d8aabaf99bc2c460968d64aec67ae2570726bd.tar.gz
BUG: Make `arr.ctypes.data` hold onto a reference to the underlying array
We do this by going through ctypes.from_buffer, which keeps the object the buffer came from alive. A bunch of hacks are required to produce a sufficiently simple buffer for ctypes to accept. Fixes #9647
Diffstat (limited to 'numpy/ma')
-rw-r--r--numpy/ma/tests/test_core.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/numpy/ma/tests/test_core.py b/numpy/ma/tests/test_core.py
index 8a015e609..4dfc12290 100644
--- a/numpy/ma/tests/test_core.py
+++ b/numpy/ma/tests/test_core.py
@@ -2390,9 +2390,9 @@ class TestMaskedArrayInPlaceArithmetics(object):
assert_equal(xm, y + 1)
(x, _, xm) = self.floatdata
- id1 = x.data.ctypes._data
+ id1 = x.data.ctypes.data
x += 1.
- assert_(id1 == x.data.ctypes._data)
+ assert_(id1 == x.data.ctypes.data)
assert_equal(x, y + 1.)
def test_inplace_addition_array(self):