python 2.5 and ast

[Dave Angel]

On 11/28/2011 03:08 PM, Terry Reedy wrote:
> On 11/28/2011 6:45 AM, Andrea Crotti wrote:
>> I'm happily using the ast module to analyze some code,
>> but my scripts need also to run unfortunately on python 2.5
>>
>> The _ast was there already, but the ast helpers not yet.
>> Is it ok if I just copy over the source from the ast helpers in my code
>> base
>
> That is the standard way of backporting features of later versions.
>
But don't forget to tag it as version specific, so it gets removed when 
the later version of the library is available.  There are various ways 
of doing that, but the easiest is probably to put a test in the 
acceptance suite that fails if this code is used in 2.6 or later.

-- 

DaveA