March 2012 - Pharo-dev - lists.pharo.org

[Pharo-project] looking for Morphic-Games package

by StÃ©phane Ducasse

Hi guys I'm looking for the package containing tetris, free cell, â¦ does any of you know where it is? Stef

March 6, 2012

[Pharo-project] .changes are now 37MBâ¦.

by Marcus Denker

... what do we do? http://code.google.com/p/pharo/issues/detail?id=4843 (but that will not help that much. And someone would need to look at the tracker entry and make it ready for integration). or just do a condense? The history is in Monticello. http://code.google.com/p/pharo/issues/detail?id=5379 Marcus -- Marcus Denker -- http://marcusdenker.de

March 6, 2012

Re: [Pharo-project] GSoC ideas, 5 days to go!

by Geoffroy Couprie

Hello, I'm not sure if it has been done before, but an image provisioning tool would be cool. Imagine a window where you have different image profiles (for example, one for Seaside, one for Aida, one for desktop apps), you just click on it and it creates a minimal image with all the paquets you need. And you can create other profiles by selecting a few Metacello configurations. On Mon, Mar 5, 2012 at 7:19 PM, Carla F. Griggio <carla.griggio(a)gmail.com>wrote: > Hi everybody! > > Please remember that project ideas don't have to be projects to do from > scratch. They could be new features or improvements for projects that are > already being used or developed. > > Cheers! > Carla. > > > On Mon, Mar 5, 2012 at 1:34 PM, Janko MivÅ¡ek <janko.mivsek(a)eranova.si>wrote: > >> Hi guys, >> >> Friday is approaching fast and we have so far only 4 complete ideas on >> this year ideas page: >> >> http://gsoc2012.esug.org/ideas >> >> Please think harder, two years ago we had 36 ideas and all evolved later >> to projects, with mentor, second mentor, student etc. So, are we without >> ideas two years later? :) >> >> Best regards >> Janko >> >> >> Dne 02. 03. 2012 15:05, piÅ¡e Janko MivÅ¡ek: >> > Hi everyone, >> > >> > 7 days to deadline for ideas of this year GSoC! Please think about what >> > would be a nice project for students to work and that way join our >> > community. And yes, students are welcome to propose projects too! >> > >> > Let we "recycle" past project ideas too! Please review them and propose >> > those still valuable. Or change the proposal to suit better. Here they >> > are: http://gsoc2010.esug.org/ideas . >> > >> > Let me and Carla post GSoC related stuff only on Pharo, Squeak and VWNC >> > mailing lists while for other let someone forward those mails there >> > please. It is just too hard to post on 10+ mailing lists, you know... >> > >> > Past GSoC mentors please join the debate on special Smalltalk GSoC >> > mentors list: http://groups.google.com/group/smalltalk-gsoc-mentors. If >> > you want to be mentor this year you are welcome to join that list too. >> > >> > Best regards >> > Janko >> > >> > S, Janko MivÅ¡ek piÅ¡e: >> >> Dear Smalltalkers, >> >> >> >> Let we apply this year again for the Google Summer of Code, which as >> you >> >> know is a Google's stipendium program for students to encourage them >> >> working on open-source projects [1]. >> >> >> >> Ok, our first step as community is to collect ideas for possible >> >> projects and to apply to the GSoC as an organization. Deadline is next >> >> Friday, so please hurry on with ideas. Just put them as reply to this >> >> email or to admins directly and we will put them on our website [2]. >> >> >> >> Your project idea should be written as answers to these questions: >> >> >> >> Name >> >> Level (Beginner, Intermediate, Advanced) >> >> Possible mentor >> >> Possible second mentor >> >> >> >> Description >> >> Technical Details >> >> Benefits to the Student >> >> Benefits to the Community >> >> >> >> >> >> See how such ideas look like in past: http://gsoc2010.esug.org/ideas. >> >> >> >> Waiting for your ideas >> >> Carla and Janko, your GSoC Admin team >> >> >> >> [1] http://www.google-melange.com/gsoc/homepage/google/gsoc2012 >> >> [2] http://gsoc2012.esug.org >> >> >> > >> >> -- >> Janko MivÅ¡ek >> Aida/Web >> Smalltalk Web Application Server >> http://www.aidaweb.si >> >> >

March 6, 2012

[Pharo-project] Nautilus collisions in icons

by Mariano Martinez Peck

Hi ben. I found that method's icons are not only one, and there can be colisions. For example, I have test methods which came from a trait. So I have the trait icon rather than the test. And I can imagine some other colision as well ... So...what can we do? can we have a list of icons? I mean..have as much icons as requiered? (instead of having colisions and let only one) If we cannot have multiple...then I would let the test icon in the case of traits for example....because I don't care where the method come from...the same way I don't care if it comes from a superclass, I don't care it comes from a trait. But I do care that if it is a test, I could do cmd+t and see the result :) what do you think? Cheers -- Mariano http://marianopeck.wordpress.com

March 6, 2012

Re: [Pharo-project] Fuel - class loading issue when superclass changed inst vars

by Mariano Martinez Peck

On Tue, Mar 6, 2012 at 4:06 AM, Martin Dias <tinchodias(a)gmail.com> wrote: > Hello, > > I'd like to discuss about a problem found when loading classes with Fuel > (for people who don't know it: > http://rmod.lille.inria.fr/web/pier/software/Fuel) > > Fuel can serialize a class either as a global or as a "regular" object. In > the latter case, it saves the class with its compiled methods, including > their bytecodes. (This was demonstrated in > http://marianopeck.wordpress.com/2011/09/24/importing-and-exporting-package… > ) > > Well, the issue I want to talk about happens when loading a class with a > method that uses an inherited instance variable. In a short example: > > - define class A with instVars 'x' > - define class B with a method that uses 'x'. > - serialize B in a file > - remove B from system > - redefine A with instVars 'y x' > - materialize B from the file > > I guess you forgot to say B is subclass of A or something like that? > -----> the bytecodes of B's method, that should refer to 'x', instead > refer to 'y' (because inst vars are encoded in bytecodes just as indexes) > > Of course, there are variations of this problem: the variable was whether > removed or renamed. > > > Some solutions: > 1) detect the change in a superclass and then: > a) just raise an error > b) compile based on attached source > c) decompile parse tree from bytecodes, fix it, and generate the method. > 2) serialize the parse tree *instead* of bytecodes, and always generate > the method when materializing. > > I am thinking on the use case of package sharing, like Parcels. Note that > since Fuel supports multiple strategies for serializing the same object, it > is not necessary to choose just one option to fit in every use case. > > - I'm not sure, but I guess Parcels makes something like 1c). > - The alternative 1a) doesn't require any compiler (in a bootstrap image > is good) > - I am tempted to explore 2), but not sure if that makes sense. > > I am curious about your opinions. > > Best regards, > MartÃn > > -- Mariano http://marianopeck.wordpress.com

March 6, 2012

Re: [Pharo-project] Nautilus feedback

by Tudor Girba

Indeed. The Moose image already has Nautilus with the default behavior. Cheers, Doru On 5 Mar 2012, at 22:34, Mariano Martinez Peck wrote: > > > On Mon, Mar 5, 2012 at 8:35 PM, Alexandre Bergel <alexandre.bergel(a)me.com> wrote: > Why should I do this manually? > I tried 'Choose new default browser' and 'Register this Browser as default', it does not work for me (I have a 14341). Is there something incorrect I am doing? > > > If you use the latest Nautilus from the correct repository (ss3), then cmd+b should open Nautilus BY DEFAULT. But that was added by ben quite recently. So, be sure to be using the latest version. I saw a problem you were downloading from ss...so that will be outdated. > > cheers > > > Alexandre > > > On 5 Mar 2012, at 16:28, Benjamin wrote: > > > Why don't you set Nautilus as the default browser ? > > (And should be by default) > > > > > > Ben > > > > On Mar 5, 2012, at 8:16 PM, Alexandre Bergel wrote: > > > >>>> - Cmd-b does not open a Nautilus, but a standard browser > >>> > >>> It opens the default browser :) > >> > >> Is there a way to change this? This almost prevent me from using Nautilus. I use cmd-b a lot actually. > >> OB does it pretty well... > >> > >> Cheers, > >> Alexandre > >> > >> > >> -- > >> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: > >> Alexandre Bergel http://www.bergel.eu > >> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > >> > >> > >> > >> > >> > >> > > > > > > -- > _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: > Alexandre Bergel http://www.bergel.eu > ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > > > > > > > > > > -- > Mariano > http://marianopeck.wordpress.com > -- www.tudorgirba.com "Problem solving efficiency grows with the abstractness level of problem understanding."

March 6, 2012

[Pharo-project] Fuel - class loading issue when superclass changed inst vars

by Martin Dias

Hello, I'd like to discuss about a problem found when loading classes with Fuel (for people who don't know it: http://rmod.lille.inria.fr/web/pier/software/Fuel) Fuel can serialize a class either as a global or as a "regular" object. In the latter case, it saves the class with its compiled methods, including their bytecodes. (This was demonstrated in http://marianopeck.wordpress.com/2011/09/24/importing-and-exporting-package… ) Well, the issue I want to talk about happens when loading a class with a method that uses an inherited instance variable. In a short example: - define class A with instVars 'x' - define class B with a method that uses 'x'. - serialize B in a file - remove B from system - redefine A with instVars 'y x' - materialize B from the file -----> the bytecodes of B's method, that should refer to 'x', instead refer to 'y' (because inst vars are encoded in bytecodes just as indexes) Of course, there are variations of this problem: the variable was whether removed or renamed. Some solutions: 1) detect the change in a superclass and then: a) just raise an error b) compile based on attached source c) decompile parse tree from bytecodes, fix it, and generate the method. 2) serialize the parse tree *instead* of bytecodes, and always generate the method when materializing. I am thinking on the use case of package sharing, like Parcels. Note that since Fuel supports multiple strategies for serializing the same object, it is not necessary to choose just one option to fit in every use case. - I'm not sure, but I guess Parcels makes something like 1c). - The alternative 1a) doesn't require any compiler (in a bootstrap image is good) - I am tempted to explore 2), but not sure if that makes sense. I am curious about your opinions. Best regards, MartÃn

March 6, 2012

Re: [Pharo-project] [Moose-dev] Re: numerical method in smalltalk

by Serge Stinckwich

On Tue, Mar 6, 2012 at 4:29 AM, StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> wrote: > It would be really interesting to organize a bit the scientific packages so that we have one nice library to look for. > Serge if you have some code please package it. Yes sure ! Anyone is aware of any Smalltalk code/project that might be used for a scientific library for Smalltalk. At the moment, there is a lot of fragmentation: - DHBNumerical (MIT): http://www.squeaksource.com/DHBNumerical.html - StMath (licence unknown): http://live.exept.de/doc/online/english/programming/goody_stmath.html - MathComplex and MathQuaternion (MIT): http://www.squeaksource.com/Complex.html - Smallapack (MIT): http://www.squeaksource.com/Smallapack.html Who is willing to contribue and in what domain (numerical analysis, matrix, probability distribution, ...) ? Maybe we can propose a GSOC project for a student ? Regards, -- Serge Stinckwich UMI UMMISCO 209 (IRD/UPMC), Hanoi, Vietnam Every DSL ends up being Smalltalk http://doesnotunderstand.org/

March 6, 2012

Re: [Pharo-project] [Vm-dev] Re: NativeBoost VM's

by Igor Stasenko

On 5 March 2012 22:26, Eliot Miranda <eliot.miranda(a)gmail.com> wrote: > > Hi Igor, > > On Sun, Mar 4, 2012 at 1:04 PM, Igor Stasenko <siguctua(a)gmail.com> wrote: >> >> On 4 March 2012 22:46, Jan van de Sandt <jvdsandt(a)gmail.com> wrote: >> > Hello, >> > >> > On the Pharo Jenkins server [1] there is a recent build of a VM with >> > NativeBoost support for the Mac. But the Unix version is six months old and >> > there is no Windows version. >> >> The Unix one was not built because i forgot to set the upstream project, :) >> so build doesn't triggers when everything else builds. >> The Windows one, i was built manually on my machine, because we were lacking >> windows slave for jenkins. >> You can download windows VM from nativeboost project downloads page: >> http://code.google.com/p/nativeboost/downloads/list >> >> I'm not happy with VM i built (Cog + NativeBoost Win32 Binaries (7 Feb, 2012) ). >> I built the threaded VM, and besides the warning which pops up every >> time you launch it, >> i had couple crashes when simply loading MC packages. >> I am still not sure what happens, and need to investigate, because the >> other VM i built recently >> on another windows machine (by installing everything from scratch) >> behaves quite stable. > > > I would definitely treat the threaded VM as experimental for now. Â It is in development (stalled due to lack of time), bleeding edge and very much not ready for prime time. I used to use it regularly on Mac but then it started locking up. Â I plan to get back to it this year sometime, but right now it is "use at your own risk" and not something to inflict on the unwitting. I know the status, Eliot. But also, i know that we need to give it a try. A community should help in developing it and testing.. You should not stand alone vs all dragons. -- Best regards, Igor Stasenko.

March 5, 2012

Re: [Pharo-project] Nautilus feedback

by Mariano Martinez Peck

On Mon, Mar 5, 2012 at 8:35 PM, Alexandre Bergel <alexandre.bergel(a)me.com>wrote: > Why should I do this manually? > I tried 'Choose new default browser' and 'Register this Browser as > default', it does not work for me (I have a 14341). Is there something > incorrect I am doing? > > If you use the latest Nautilus from the correct repository (ss3), then cmd+b should open Nautilus BY DEFAULT. But that was added by ben quite recently. So, be sure to be using the latest version. I saw a problem you were downloading from ss...so that will be outdated. cheers > Alexandre > > > On 5 Mar 2012, at 16:28, Benjamin wrote: > > > Why don't you set Nautilus as the default browser ? > > (And should be by default) > > > > > > Ben > > > > On Mar 5, 2012, at 8:16 PM, Alexandre Bergel wrote: > > > >>>> - Cmd-b does not open a Nautilus, but a standard browser > >>> > >>> It opens the default browser :) > >> > >> Is there a way to change this? This almost prevent me from using > Nautilus. I use cmd-b a lot actually. > >> OB does it pretty well... > >> > >> Cheers, > >> Alexandre > >> > >> > >> -- > >> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: > >> Alexandre Bergel http://www.bergel.eu > >> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > >> > >> > >> > >> > >> > >> > > > > > > -- > _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: > Alexandre Bergel http://www.bergel.eu > ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > > > > > > > -- Mariano http://marianopeck.wordpress.com

March 5, 2012