[Python-Dev] \u and \U escapes in raw unicode string literals

[Guido van Rossum]

On 5/10/07, "Martin v. Löwis" <martin at v.loewis.de> wrote:
> > However, I understand the other reason (inclusion of non-ASCII
> > characters in raw strings) and I reluctantly agree with it.
>
> I actually disagree with that. It is fairly easy to include non-ASCII
> characters in a raw Unicode string - just type them in.

That violates the convention used in many places that source code
should only contain printable ASCII, and all non-ASCII or unprintable
characters should be written using \x or \u escapes.

> Or, if that
> fails, use string concatenation with a non-raw string:
>
> r"foo\uhallo" "\u20ac" r"welt"

That makes for pretty unreadable source code though.

Looking for a third opinion,

-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)