[Printing-architecture] Printer setup tools: Automatically choose the correct backend

[Till Kamppeter]

Klaus Singvogel wrote:
> Till,
> 
> Till Kamppeter wrote:
> [...]
>> *cupsReplaceURI: "usb://HP/LaserJet(_|%20)42\d\d hp:/usb/HP_LaserJet_42\d\d"
>>
>> Here we do not use model info from the "lpinfo -l -v" output. The 
>> printer setup tool should match the first regexp against the user-chosen 
>> URI and the search the "lpinfo -v" output for an URI matching the second 
>> regexp.
> 
> This is not regex, it's perl extended regex you're using here. Maybe
> we run into trouble, if we extend CUPS tools by perl too.
> 
> We might want to use POSIX regex please, as defined in regex(7)?
>

Sorry for giving a bad example. All this was only a suggestion and not a 
spec. But I hope it shows the idea.

> I think, the rest of the discussion has to be answered by the author
> of "lpinfo" (= CUPS team). It's fine with me, if we extend CUPS in
> such a way.

They answered already in for them there should be only one backend per 
printer. They are working with HP now on making the "hp" backend 
unnecessary.

    Till