Wildman via Python-list <python-list@python.org> writes:
> On Tue, 29 Nov 2016 18:29:51 -0800, Paul Rubin wrote:
>
>> Wildman <best_...@yahoo.com> writes:
>>> names = array.array("B", '\0' * bytes)
>>> TypeError: cannot use a str to initialize an array with typecode 'B'
>>
>> In Python 2, str is a byte string and you can do that. In Python 3,
>> str is a unicode string, and if you want a byte string you have to
>> specify that explicitly, like b'foo' instead of 'foo'. I.e.
>>
>> names = array.array("B", b'\0' * bytes)
>>
>> should work.
>
> I really appreciate your reply. Your suggestion fixed that
> problem, however, a new error appeared. I am doing some
> research to try to figure it out but no luck so far.
>
> Traceback (most recent call last):
> File "./ifaces.py", line 33, in <module>
> ifs = all_interfaces()
> File "./ifaces.py", line 21, in all_interfaces
> name = namestr[i:i+16].split('\0', 1)[0]
> TypeError: Type str doesn't support the buffer API
It's the same issue and same fix. Use b'\0' instead of '\0' for the
argument to split().
There'll be a couple more issues with the printing but they should be
easy enough.
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