numpy bytes to plain string

Question

I have a numpy array X with dtype 'S' (numpy.bytes_). For example printing print(X[0, 0]) yields b'somestring'. Similarly str(X[0, 0]) returns string "b'somestring'".

However I need to print or convert to string so that it does not contain b' at the beginning and ' at the end. I just want to print somestring or return a string "somestring". How to do it?

Note: I cannot change the type of the array.

anon582847382 · Accepted Answer · 2014-05-12 20:27:17Z

50

You just need to decode the string back into ASCII, so it would just be:

bytes_string.decode('UTF-8')

Demo:

>>> b'somestring'.decode('UTF-8')
'somestring'

answered May 12, 2014 at 20:27

anon582847382

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2 Comments

Dan Over a year ago

how about a whole array and not just one element?

Jack Valmadre Over a year ago

You could do X.astype(str), although I'm not sure exactly how this performs the decoding.

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