check interpreter version before running script

[Martin Franklin]

F. Petitjean wrote:
> Le Tue, 05 Apr 2005 08:57:12 -0400, rbt a écrit :
> 
>>Is there a recommended or 'Best Practices' way of checking the version 
>>of python before running scripts? I have scripts that use the os.walk() 
>>feature (introduced in 2.3) and users running 2.2 who get errors. 
>>Instead of telling them, 'Upgrade you Python Install, I'd like to use 
>>sys.version or some other way of checking before running.
>>
>>
>>I thought of sys.version... but getting info out of it seems awkward to 
>>me. First 5 chars are '2.4.1' in string format have to split it up and 
>>convert it to ints to do proper checking, etc. It doesn't seem that 
>>sys.version was built with this type of usage in mind. So, what is the 
>>*best* most correct way to go about this?
> 
> try:
>     from os import walk as os_walk
> except ImportError:
>     os_walk = None
>     # raise some exception  or implement a fallback solution
> # use os_walk instead of os.walk
> 
>>Thanks,
>>
>>rbt

You may be interested in this...


http://www.jorendorff.com/articles/python/path/


as an alternative to the os.path functions...
Martin