[Numpy-discussion] Unicode characters in a numpy array

Charles R Harris charlesr.harris@gmail....
Thu Jun 16 21:54:18 CDT 2011


On Wed, Jun 15, 2011 at 1:30 PM, Gökhan Sever <gokhansever@gmail.com> wrote:

> Hello,
>
> The following snippet works fine for a regular string and prints out
> the string without a problem.
>
> python
> Python 2.7 (r27:82500, Sep 16 2010, 18:02:00)
> [GCC 4.5.1 20100907 (Red Hat 4.5.1-3)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> >>> mystr = u"öööğğğ"
> >>> mystr
> u'\xf6\xf6\xf6\u011f\u011f\u011f'
> >>> type(mystr)
> <type 'unicode'>
> >>> print mystr
> öööğğğ
>
> What is the correct way to print out the following array?
>
> >>> import numpy as np
> >>> arr = np.array(u"öööğğğ")
> >>> arr
> array(u'\xf6\xf6\xf6\u011f\u011f\u011f',
>      dtype='<U6')
> >>> print arr
> Traceback (most recent call last):
>  File "<stdin>", line 1, in <module>
>  File "/usr/lib64/python2.7/site-packages/numpy/core/numeric.py",
> line 1379, in array_str
>    return array2string(a, max_line_width, precision, suppress_small,
> ' ', "", str)
>  File "/usr/lib64/python2.7/site-packages/numpy/core/arrayprint.py",
> line 426, in array2string
>    lst = style(x)
> UnicodeEncodeError: 'ascii' codec can't encode characters in position
> 0-5: ordinal not in range(128)
>
>
I don't know. It might be that we need to fix the printing functions for
unicode and maybe have some way to set the codec as well.

Chuck
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