[pkg-fso-maint] opreferences rules (was Re: Some debian questions)

[Benedikt Bär]

On Thu, 2008-10-30 at 01:06 +0100, Luca Capello wrote:
> Hi there!
> 
> Please continue this discussion on the smartphones-standards mailing
> list [1], I think it belongs there and I set R-T and M-F-T accordingly.
> 
> On Wed, 29 Oct 2008 04:21:01 +0100, Guillaume Chereau wrote:
> > On Wed, 2008-10-29 at 10:29 +0800, Guillaume Chereau wrote:
> >> On Tue, 2008-10-28 at 14:51 +0100, Benedikt Bär wrote:
> >> > I am currently setting up a debian system on my FreeRunner, but I have
> >> > some questions. :)
> 
> The Debian FSO Team [2] mainly uses the smartphones-* mailing lists [1]
> for discussions, please direct your questions there whenever you develop
> on Debian and/or for Debian.

Yes, but the first part of my message was more about the framework than
Debian. We're not looking for a Debian specific way of adding rules, but
a general one, which Debian could use.

But agreed, the second point probably belongs to the other list, but
that is not my priority right now. Not going to reboot the FR every
day :)

> 
> >> > 1) I'm writing some python programs to interact with the FSO framework.
> >> > I have seen there's now support for a "rules" file, which seems quite a
> >> > nice idea.
> >> > 
> >> > Now, I would like to be able to modify these rules via my program. That
> >> > way, for example, I could set a screen blanking / suspend timeout but my
> >> > program wouldn't have to listen to events. It would automatically be
> >> > done by the framework.
> >> > 
> >> > Is this possible? If not, any plans to implement something like a D-BUS
> >> > interface for modifying rules?
> >>
> >> You can already add new rules using the dbus call :
> >> org.freesmartphone.Events.AddRule(s)
> 
> Is there any already-coded program that do that?  Something like
> update-frameworkd-rules, for the end-user.

That would be interesting to do as an addition to the framework
functions. The program could be a python script accessing the framework
over D-BUS for adding/deleting/activating rules.

> 
> >> the string should be in the same format than the rules in the rules
> >> file.
> 
> Is there a way to know which rules are available?  IMHO the above
> update-frameworkd-rules should have a --show/--list option for that
> (this reminds me of `git config` [3]...).

+1, but maybe this is already implemented in the framework. I haven't
had time to test the rules interface yet, but I will do as soon as I
can.

> 
> >> For the way to modify rules, it is planned. Rules can have name (using
> >> 'name' attribute in the rules file.)
> >> I will take some time today to add a RemoveRule, so that you can add and
> >> remove rules.
> >
> > Ok I added the RemoveRule method to oeventsd, you can check oevents.py
> > in the framework tests directory to see how to add and remove rules.
> >
> > BUT, it makes me realize a problem : the rules manager only activates
> > the rules that are specified in the rules preference file (e.g [0])
> >
> > So if you add a new rule with a name, the rule won't be activated unless
> > you also specify that the rule is activated in the preference file. that
> > is not very good and we need to solve this problem.
> 
> The whole story above led me thinking about how Debian should manage
> these rules.  The main problem here is that Debian must ship a working
> setup, which at the same time should be configurable through Debian
> packages, as I explained at [4].

The above program you've mentioned would come in handy there. :)

Cheers,
Benedikt

> 
> What's upstream plan?  Having one unique rules file or splitting the
> configuration into single and more specific ones?  Something like
> sounds.yaml (ring- and message-tones plus volumes), etc.?
> 
> Thx, bye,
> Gismo / Luca
> 
> >  [0] :
> > http://git.freesmartphone.org/?p=framework.git;a=blob;f=etc/freesmartphone/opreferences/conf/rules/default.yaml;h=e0066eff76973b5597d879bf81b0e0f490660bdb;hb=HEAD
> [1] http://www.freesmartphone.org/index.php/Infrastructure#Mailing_Lists
> [2] http://wiki.debian.org/Teams/DebianFSO
> [3] http://www.kernel.org/pub/software/scm/git/docs/git-config.html
> [4] http://lists.linuxtogo.org/pipermail/smartphones-userland/2008-October/000327.html
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