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| author | Antoine Pitrou <antoine@python.org> | 2017-05-23 16:46:06 +0200 |
|---|---|---|
| committer | Antoine Pitrou <antoine@python.org> | 2017-05-24 15:44:28 +0200 |
| commit | 3c0b4db0b51ec4f4b67f63d647d8f8a668b7e754 (patch) | |
| tree | 830ec571d6c0fbe8b1d9c3cdba72133e5d498514 /numpy/lib/stride_tricks.py | |
| parent | d0c15fab8e3c0324914baede7496810485eb4e56 (diff) | |
| download | numpy-3c0b4db0b51ec4f4b67f63d647d8f8a668b7e754.tar.gz | |
BUG: have as_strided() keep custom dtypes
Fixes issue #9161
Diffstat (limited to 'numpy/lib/stride_tricks.py')
| -rw-r--r-- | numpy/lib/stride_tricks.py | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/numpy/lib/stride_tricks.py b/numpy/lib/stride_tricks.py index 545623c38..6c240db7f 100644 --- a/numpy/lib/stride_tricks.py +++ b/numpy/lib/stride_tricks.py @@ -100,10 +100,9 @@ def as_strided(x, shape=None, strides=None, subok=False, writeable=True): interface['strides'] = tuple(strides) array = np.asarray(DummyArray(interface, base=x)) - - if array.dtype.fields is None and x.dtype.fields is not None: - # This should only happen if x.dtype is [('', 'Vx')] - array.dtype = x.dtype + # The route via `__interface__` does not preserve structured + # dtypes. Since dtype should remain unchanged, we set it explicitly. + array.dtype = x.dtype view = _maybe_view_as_subclass(x, array) |