8000 DEP: deprecate asscalar by mattip · Pull Request #12123 · numpy/numpy · GitHub
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DEP: deprecate asscalar #12123

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Merged
merged 2 commits into from
Oct 10, 2018
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DEP: deprecate asscalar #12123

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1c2abd3
DEP: deprecate asscalar
mattip Oct 9, 2018
263369c
MAINT: Update deprecation message.
charris Oct 10, 2018
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4 changes: 4 additions & 0 deletions doc/release/1.16.0-notes.rst
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Expand Up @@ -36,6 +36,10 @@ and not documented. They will be removed in the 1.18 release. Use
These were deprecated in 1.10, had no tests, and seem to no longer work in
1.15 anyway.

`numpy.asscalar` has been deprecated
------------------------------------
It is an alias to the more powerful `numpy.ndarray.item`, not tested, and fails
for scalars.

Future Changes
==============
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9 changes: 9 additions & 0 deletions numpy/lib/type_check.py
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Expand Up @@ -2,6 +2,7 @@

"""
from __future__ import division, absolute_import, print_function
import warnings

__all__ = ['iscomplexobj', 'isrealobj', 'imag', 'iscomplex',
'isreal', 'nan_to_num', 'real', 'real_if_close',
Expand Down Expand Up @@ -469,6 +470,10 @@ def asscalar(a):
"""
Convert an array of size 1 to its scalar equivalent.

.. deprecated:: 1.16

Deprecated, use `numpy.ndarray.item()` instead.

Parameters
----------
a : ndarray
Expand All @@ -486,6 +491,10 @@ def asscalar(a):
24

"""

# 2018-10-10, 1.16
warnings.warn('np.asscalar(a) is deprecated since NumPy v1.16, use '
'a.item() instead', DeprecationWarning, stacklevel=1)
return a.item()

#-----------------------------------------------------------------------------
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0