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Dne 11.2.2011 09:00, Duncan Mac-Vicar P. napsal(a):
> On 02/10/2011 03:55 PM, Josef Reidinger wrote:
> > It looks like new mantra called "dynamic languages". I am not sure if
> you ever try to handle such situations. Of course it is possible, but
> then code become really messy and also horrible to maintain and test it....
>> consider module A which depends on module B,C,D,E ( e.g. storage,
>> language, time, bootloader and software management)
>
> It is not about the language, it is about the design.
>
> In YaST, every module uses functionality of another module and links to
> it, instead of every module providing an implementation of a service.
>
> So a module needs to install a package, in YaST, it imports packager,
> which makes every module depend on libzypp. yast2 package is the
> kitchensync where all the rest goes. Draw it and you get a spaghetti.
>
> YaST should request "give a package installation implementation" and
> handle gracefully the fact that there is none. Which is a much higher
> level than catching a import error.
This might have a simple solution: The current YaST solution is
package-based because we still stick a bit to a package-owner model.
Each developer is responsible for a list of YaST modules.
To solve the spaghetti in a more elegant way, we would need
1.) Move functionality to one package
2.) Move UI to another package
3.) Have more task-specific functionality packages (such as studio_api*
used by SLMS - well done Pepo! ;))
... this applies to 'whatever the programming language is'
Lukas
* studio_api used to be part of SLMS in 1.0 and 1.1 but Pepa has
rewritten and moved it to https://github.com/jreidinger/studio_api
Since then, everyone can use it for their projects very easily.
- --
Lukas Ocilka, Appliances Department, Novell Inc.
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