On Tue, 29 Nov 2011 09:51:24 +0000, Andrea Crotti wrote:
> On 11/29/2011 03:55 AM, Dave Angel wrote:
>>
>> 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.
>>
>>
> Ok thanks,
> something like this is ok?
> (or maybe I can use a try/catch and export my own if is not found in the
> standard library?)
>
> from sys import version_info
>
> if version_info[1] == 5:
> from psi.devsonly.ast import parse, NodeVisitor
> else:
> from ast import parse, NodeVisitor
I prefer to check against sys.version.
import sys
if sys.version <= '2.5':
from psi.devsonly.ast import parse, NodeVisitor
else:
from ast import parse, NodeVisitor
Or even:
try:
from ast import parse, NodeVisitor
except ImportError:
from ast import parse, NodeVisitor
--
Steven
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