[Scilab-users] Toolboxes startup

[Stéphane Mottelet]

Le 26/04/2021 à 15:15, Samuel Gougeon a écrit :
> Le 26/04/2021 à 14:51, Samuel Gougeon a écrit :
>> Le 26/04/2021 à 14:15, Stéphane Mottelet a écrit :
>>>> .../...
>>>>
>>>> Such a wish was reported 10 years ago as bug 6801 
>>>> <https://antispam.utc.fr/proxy/2/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/bugzilla.scilab.org/show_bug.cgi?id=6801>.
>>>>
>>>> To me, the only way to overcome any mprintf or disp made in *.start 
>>>> files of external modules would be to become able to redirect the 
>>>> standard output to null (or anywhere else as in a file, as with 
>>>> diary, that forks the stream instead of redirecting it).
>>>> I don't think that %toolboxes aims to become public. 
>>>> atomsGetInstalled() and atomsGetLoaded() (and others) would likely 
>>>> be more suited to test the atoms status.
>>>>
>>>> For contribution,
>>>> Samuel
>>>
>>> Yeah that's the idea. But better than redirection of the standard 
>>> output, all the stuff displayed in the .start file should go in a 
>>> Journal, to which display methods can be associated. So instead of 
>>> explicitely calling disp or mprinf, etc. the .start script should 
>>> just add some stuff + associated verbosity level to the journal. 
>>> What would be actually really displayed
>>>
> Whatever is the method -- redirection of stdout to a file or special 
> diary  --, i am afraid that the analysis of contents vs verbosity 
> would then be done only after completing the whole loading process.
> This would prevent displaying information in a progressive way : 
> immediately after loading macros, then after loading the 
> documentation, etc... that will anyway be required in some occasion.
>
A Journal is not a diary, neither a redirection to a file and there is 
no analysis of content for verbosity of user output. The verbosity is 
chosen when creating the journal. Here is a small example of what I meant:

function  j=journal(level, fun)
     j  =  mlist(["journal","level","displayfun"],level,fun)
endfunction

function  out=%journal_e(varargin)
     j  =  varargin($);
     level  =  varargin(1);
     if  level  <=  j.level
         j.displayfun(varargin(2:$-1));
     end
     out=[];
endfunction

function  loadmacros(jnl)
     jnl(3,"\t Warning library MD5SUM invalid 
abf4bffa3651a44fdd550e2dbffbe912\n")
     jnl(3,"\t-->Warning, macros are obsolete, rebuild lib please\n")
endfunction

function  loadhelp(jnl)
     jnl(3,"\t-->Help files traduction courtesy of W. Shakespeare\n")
endfunction

function  loaddemos(jnl)
     jnl(3,"\t-->TODO: awesome demo missing\n")
endfunction

function  start(jnl)
     jnl(1,"Start Apifun %s\n","0.4")
     jnl(2,"\tLoad macros\n")
     loadmacros(jnl)
     jnl(2,"\tLoad help\n")
     loadhelp(jnl)
     jnl(2,"\tLoad demos\n")
     loaddemos(jnl)
endfunction

console1  =  journal(1,mprintf);
console2  =  journal(2,mprintf);
console3  =  journal(3,mprintf);

mprintf("\n-----Level 1-----\n\n")
start(console1)

mprintf("\n-----Level 2-----\n\n")
start(console2)

mprintf("\n-----Level 3-----\n\n")
start(console3) -----Level 1----- Start Apifun 0.4 -----Level 2----- 
Start Apifun 0.4 Load macros Load help Load demos -----Level 3----- 
Start Apifun 0.4 Load macros Warning library MD5SUM invalid 
abf4bffa3651a44fdd550e2dbffbe912 --> Warning, macros are obsolete, 
rebuild lib please Load help --> Help files traduction courtesy of W. 
Shakespeare Load demos --> TODO: awesome demo missing S.

>
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-- 
Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
http://www.utc.fr/~mottelet

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