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numpy/core/tests/test_unicode.py

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from numpy.compat import asbytes

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# Guess the UCS length for this python interpreter

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if sys.version_info[0] >= 3:

 

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if sys.version_info[:2] >= (3, 3):

 

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    # Python 3.3 uses a flexible string representation

 

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    ucs4 = False

 

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    def buffer_length(arr):

 

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        if isinstance(arr, unicode):

 

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            arr = str(arr)

 

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            return (sys.getsizeof(arr+"a") - sys.getsizeof(arr)) * len(arr)

 

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        v = memoryview(arr)

 

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        if v.shape is None:

 

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            return len(v) * v.itemsize

 

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        else:

 

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            return prod(v.shape) * v.itemsize

 

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elif sys.version_info[0] >= 3:

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    import array as _array

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    ucs4 = (_array.array('u').itemsize == 4)

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    def buffer_length(arr):

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