python3 binascii.hexlify ...
Peter Otten
__peter__ at web.de
Sat Feb 9 06:10:36 EST 2013
Cameron Simpson wrote:
> This seems to return a bytes object in Python 3.3.0. I was expecting a
> string. The documentation here:
>
> http://docs.python.org/3/library/binascii.html#binascii.hexlify
>
> also keeps me expecting a string. Am I missing something?
"""Return the hexadecimal representation of the binary data. Every byte of
data is converted into the corresponding 2-digit hex representation.
"""
makes it pretty clear that the function is operating on bytes, not str.
The following sentence "The resulting string..." is likely a leftover from
Python 2 and should be fixed.
If you need str instead of bytes it's easy enough to do the
encoding/decoding yourself:
>>> import binascii as ba
>>> ba.hexlify("äöü".encode())
b'c3a4c3b6c3bc'
>>> ba.unhexlify(_).decode()
'äöü'
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