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Re: Prompt to install missing software?



Benjamin Mesing wrote:
>>> I have a PyGTK-based program that has an optional dependency on the
>>> package python-matplotlib.
>>>
>>> Is there any way under Debian (and hopefully also Ubuntu) that I can
>>> trigger gtk-debi or something like that when the user requests to use
>>> the part of my program that depends on stuff they haven't installed yet?
>>> What would be the best way of doing that from python, if such a thing
>>> exists?
>>>
>>>       
>> That seems like too much work.  Why not just document the optional
>> dependencies.  Additionally, if the features are that nice to have why
>> not make the packages which provide the functionality Recommended?
>>     
>
> According to the policy Recommends "declares a strong, but not absolute,
> dependency. 
>
> The Recommends field should list packages that would be found together
> with this one in all but unusual installations." [1]
>
> Which IMO is clearly not the case here. Many users probably won't need
> that particular feature.
>
> Regards Ben
>   

I am aware of the 'Recommends' and 'Suggests' thing. Many users are
familiar with it, and know how to go and seek out and install a missing
package.

But this is about user experience.  It just strikes me that there is a
level of automation that would be really pretty simple to implement:
"click here to install the missing package". Then the user's experience
is transformed from "right. i have to stop what I'm doing and put on my
sysadmin hat" into "ok, I'll just click this to download the plugin".

I had something along the lines of "gksu apt-get install
python-matplotlib" in mind, but I would like something that did the
install bit with a GUI if possible. And it's just an idea; I don't want
to do this unless it can be done in nice tidy way.

Another thought: doesn't Totem have some kind of 'codec finder'?

Cheers
JP



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