about i#123: "rework referencing variables in filters"

[Ivan Glushkov]

>>> >
>>> > The second variant is used when we get username for command 'list'.  
>>> In
>>> > this case we don't need the user to be the correct database user (we
>>> > just want to list issues, don't change smth)
>>> >
>>>
>>> I've addressed this in my comments on r1486.
>> where?
>> my question is about ro-access to database if it's even locked.
>> I haven't found something about it in your comment.
>
> Sorry, I've missed that one. But as of now, we've got it.
>
>
> [skipped]
>
>> one more  question.
>> Template string is "New in version 2.4".
>> Should i use it and  so we  will have a limitation "python 2.4 or  
>> higher"?
>> The other perspective is returning back function "substitute" (removed
>> in r1486).
>> Can we somehow determine if someone use python 2.3?
>
> Hmm. Python 2.3 comes preinstalled on Macs and it's not easy to upgrade  
> it, even if one would wish. So we have to support this version for quite  
> some time.
>
> I didn't realize that templates are new in 2.4 -- my bad. We could  
> either revert to the older version or (which I like better, if it's  
> feasible) ship the Template code from Python 2.4 with DITrack, provided  
> that a) the license permits (which I think is true), b) it's not too  
> much hassle (name conflicts, etc). Some research needs to be done on  
> that.

ok.
so i'll revert to the older version at first (to make it work with python  
2.3) and then will make some research :)