[Python-Dev] Python 3.6 dict becomes compact and gets a private version; and keywords become ordered

[Sven R. Kunze]

On 13.09.2016 19:59, MRAB wrote:
> The recommended way of dealing with features across different versions 
> of Python is to check for them and see if they raise NameError or 
> whatever, but I wonder if there would be any benefit to recording such 
> things somewhere, e.g. sys.features['ordered_args'] returns True if 
> arguments are passed in an ordered dict.

Just to check: do people really that often change between Python 
implementations?

My personal experience with this kind of compatibility is that it is 
rarely needed for large and complex programs. That is due to deployment 
and testing issues (at least in our environment as we run multiple 
Python services on a multitude of servers).

Best,
Sven