17.11.13 08:31, Steven D'Aprano написав(ла):
There's already at least two ways to do it in Python 2:
py> import binascii
py> binascii.hexlify('Python')
'507974686f6e'
py> import codecs
py> codecs.encode('Python', 'hex')
'507974686f6e'
Third:
>>> import base64
>>> base64.b16encode(b'Python')
b'507974686F6E'
Fourth:
>>> '%0*x' % (2*len(b'Python'), int.from_bytes(b'Python', byteorder='big'))
b'507974686F6E'
Fifth:
>>> ''.join('%02x' % b for b in b'Python')
b'507974686F6E'
[Aside: in Python 3, the codecs where (mistakenly) removed, but they'll
be added back in 3.4 or 3.5.]
Only renamed.
>>> import codecs
>>> codecs.encode(b'Python', 'hex_codec')
b'507974686f6e'
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