On Friday 08 January 2016 at 07:10:38, anatoly techtonik wrote:
> I still consider it a hack. 

Yes, I agree it is. Still I consider it a consistent hack
that uses an official jinja2 interface and is very likely
to not have other side effects.
Thus I consider it the best robust, transparent and future proof
solution I have come up with (in the time spend on this).

> I may be miss something again, but I'd 
> like to investigate if it is possible to just override unicode object
> in Ninja, so that its __add__ and other autoconversion methods
> used custom encoding explicitly specified for them.

Yes, please investigate. I am hoping that there is a better solution. 
However as I already commented in msg5419, it may exist but I 
have not found it easily.