> On May 17, 2017, at 2:41 PM, Craig Rodrigues <rodr...@crodrigues.org> wrote: > > Hi, > > While cleaning up some code during Python 2 -> Python 3 porting, > I switched some code to use str.format(), I found this behavor: > > Python 2.7 > ========= > a = "%s" % "hi" > b = "%s" % u"hi" > c = u"%s" % "hi" > d = "{}".format("hi") > e = "{}".format(u"hi") > f = u"{}".format("hi") > > type(a) == str > type(b) == unicode > type(c) == unicode > type(d) == str > type(e) == str > type(f) == unicode > > My intuition would lead me to believe that type(b) > and type(e) would be the same (unicode), but they are not. > The confusion for me is why is type(e) of type str, and not unicode? > > Can someone clarify this for me?
I think it's because I wanted to return str if possible, and didn't want to find out that one of the calls to __format__ returned unicode, and then go back and convert all of the previous results to unicode from str. And, I guess we didn't consider it important enough at the time. Eric. > I understand that in Python 3, all these cases are str, so it is not > as big a problem there, but I am trying to keep things working on > Python 2.7. > > Thanks. > -- > Craig > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/eric%2Ba-python-dev%40trueblade.com _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com