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recursive for list and tuple seems like a safe default #9

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recursive for list and tuple seems like a safe default #9

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eb10085
recursive for list and tuple seems like a safe default
kootenpv Sep 30, 2017
e2d1811
added getsizeof for list, added test
kootenpv Sep 30, 2017
c2f849f
added test that shows the correct value for python 3
kootenpv Sep 30, 2017
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5 changes: 5 additions & 0 deletions cachey/nbytes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,9 @@ def nbytes(o):
>>> import numpy as np
>>> nbytes(np.ones(1000, dtype='i4'))
4000

>>> nbytes([123]) # doctest: +SKIP
100
"""
name = type(o).__module__ + '.' + type(o).__name__

Expand All @@ -34,5 +37,7 @@ def nbytes(o):
return _array(o)
elif hasattr(o, 'nbytes'):
return o.nbytes
elif isinstance(o, (list, tuple)):
return sys.getsizeof(o) + sum(nbytes(x) for x in o)
else:
return sys.getsizeof(o)