> On 1 Mar 2021, at 18:01, mmax42...@gmail.com wrote: > > Currently, the only way to concatenate an integer to a bytes object is by > converting the integer to bytes with a function call before concatenating. > And there is no way to make a mutable bytes object without a function call. > > I propose an array-type string like the, or for the bytearray. It would work > as a mutable b-string, as > > foo = a"\x00\x01\x02abcÿ" # a-string, a mutable bytes object. > foo[0] = 123 # Item assignment > foo+= 255 # Works the same as > bytesvariable+=b"123" > foo+= a"\x255\x00" # Concatenation with itself > foo+= b"\x255\x00" # Cross compatibility with bytes objects. > > This would be processed the same as, or would be the bytearray, >>>> type(a"\x00\x01\x02abcÿ") > <class 'bytearray'>
When I needed to do the creation of bytes objects from a mix of types the struct.pack() method has been the obvious way to go. What is the use case that leads to needing the above? Barry > _______________________________________________ > Python-ideas mailing list -- python-ideas@python.org > To unsubscribe send an email to python-ideas-le...@python.org > https://mail.python.org/mailman3/lists/python-ideas.python.org/ > Message archived at > https://mail.python.org/archives/list/python-ideas@python.org/message/H5W3TTDC633NCPFUYIMQ26ZWX7XM4W6S/ > Code of Conduct: http://python.org/psf/codeofconduct/ _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/77KYAIS7BAJ2N6XZWHOABUVBR66L7DTS/ Code of Conduct: http://python.org/psf/codeofconduct/
