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BUG: Ensure string aliases "int0", etc. remain valid for now #22699

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Merged
merged 2 commits into from
Dec 1, 2022
Merged

BUG: Ensure string aliases "int0", etc. remain valid for now #22699

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882173a
BUG: Ensure string aliases `"int0"`, etc. remain valid for now
seberg Nov 25, 2022
d076e98
Update numpy/core/tests/test_dtype.py
seberg Nov 27, 2022
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3 changes: 2 additions & 1 deletion numpy/core/_type_aliases.py
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Original file line number Diff line number Diff line change
Expand Up @@ -233,7 +233,8 @@ def _set_array_types():

# Add additional strings to the sctypeDict
_toadd = ['int', 'float', 'complex', 'bool', 'object',
'str', 'bytes', ('a', 'bytes_')]
'str', 'bytes', ('a', 'bytes_'),
('int0', 'intp'), ('uint0', 'uintp')]

for name in _toadd:
if isinstance(name, tuple):
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9 changes: 9 additions & 0 deletions numpy/core/tests/test_dtype.py
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Expand Up @@ -126,6 +126,15 @@ def test_numeric_style_types_are_invalid(self, dtype):
with assert_raises(TypeError):
np.dtype(dtype)

def test_remaining_dtypes_with_bad_bytesize(self):
# The np.<name> aliases were deprecated, these probably should be too
assert np.dtype("int0") is np.dtype("intp")
assert np.dtype("uint0") is np.dtype("uintp")
assert np.dtype("bool8") is np.dtype("bool")
assert np.dtype("bytes0") is np.dtype("bytes")
assert np.dtype("str0") is np.dtype("str")
assert np.dtype("object0") is np.dtype("object")

@pytest.mark.parametrize(
'value',
['m8', 'M8', 'datetime64', 'timedelta64',
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