if sys.version_info >= (3,0):
def str2bytes(sval):
return sval.encode("latin1")
unicode = str
else:
def str2bytes(sval):
if isinstance(sval, str):
return sval
return sval.encode("latin1")
This is what I use to solve the opposite problem. It should give you an
idea how to go about it.
On Tuesday, May 19, 2015 at 3:24:39 AM UTC-6, HM wrote:
>
> I got to start a new django 1.8-project in python 3.4 for once, and
> happily coded away. Turns out, the PaaS it needs to run on has a broken
> python 3.4, so... my code now needs to work in 2.7.8.
>
> Everything works in both versions except I need to read from an uploaded
> file, bot in the web and from the commandline. In the management command I
> can do:
>
> import io
> with io.open(fieldname, 'rt', encoding='UTF-8') as F: do_stuff(F)
>
> ... and it works in both 2.7.8 and 3.4.x.
>
> But a FileField in Python 3 reads stuff as bytes. So in the form, I need
> to check whether the chunk of data I get is bytes, and if it is, convert it
> to unicode from 'UTF-8'.
>
> How to do that? It'll probably involve six in some way but the docs for
> six, and django's "how to have things run on both python 2 and 3"-docs,
> could be better.
>
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