May 2011 - Pharo-dev - lists.pharo.org

Re: [Pharo-project] [Pharocasts] New comment on SandstoneDb, simple ActiveRecord style persistence....

by laurent laffont

On Wed, May 4, 2011 at 7:00 PM, Ramon Leon <ramon.leon(a)gmail.com> wrote: > My general approach would be this sequence of steps, let's assume his > class is called Person in collection var name people. > > If Person has an initialize method, rename it to initializeOld. > Change superclass of Person to SDActiveRecord. > Person warmUp. to setup the store for this new class. > people do: [:e | e initialize ] to invoke active records initialize > setting up it's necessary inst vars and marking all people as new > rename Person>>initializeOld back to Person>>initialize. > people do: [:e | e save ] > > Migration complete. > > Thanks a lot Ramon, I add this to Pharocasts. Laurent > -- > Ramon Leon > http://onsmalltalk.com > > > On Wed, May 4, 2011 at 4:58 AM, laurent laffont > <laurent.laffont(a)gmail.com> wrote: > > > > Someone knows ? > > Laurent > > > > > > ---------- Forwarded message ---------- > > From: Bernat Romagosa <noreply-comment(a)blogger.com> > > Date: Wed, May 4, 2011 at 1:37 PM > > Subject: [Pharocasts] New comment on SandstoneDb, simple ActiveRecord > style > > persistence.... > > To: laurent.laffont(a)gmail.com > > > > > > Bernat Romagosa has left a new comment on your post "SandstoneDb, simple > > ActiveRecord style persistence...": > > > > I was trying to migrate a simple image-based persistence app into > Sandstone, > > so I just recompiled my biz objects to be subclasses of SDActiveRecord, > but > > of course the objects I want to save are already created and "floating" > in > > the image, so when I try to save them I get an error as many instvars > > haven't been initialized upon creating these objects (as they were > already > > there). > > > > Is there a way to automatically do this? > > > > Thanks! > > > > Bernat. > > > > > > > > Posted by Bernat Romagosa to Pharocasts at May 4, 2011 4:37 AM > > >

May 4, 2011

Re: [Pharo-project] [Pharo-users] [ANN] PHANtom: A modern Aspect Language for Pharo

by Mariano Martinez Peck

On Wed, May 4, 2011 at 5:32 PM, Lemuus <lemuus(a)gmail.com> wrote: > Hello all, > > We are happy to announce the release of PHANtom: a modern aspect language > for Pharo. > > PHANtom was built taking into account recent advances in aspect language > features such as dynamic advice rescheduling, reentrancy management, and > scoping strategies for deployment. The advanced features are not all > implemented yet, but the 'normal' features work and are well-tested (about > 130 unit tests) so we are relasing it to the world for you to try out. We > hope PHANtom can help you to solve some cross-cutting code problems. > > An overview of the language can be found at http://pleiad.cl/PHANtomPlease try it out, see if it works for you, all your comments are welcome! > > More details: > > I am doing this as my engineering thesis, under the guidance of Prof. Johan > Fabry. > > PHANtom works in Pharo 1.2.1 and in 1.3, and also in PharoCore. > Congratualtions for the nice work!! > > Right now, PHANtom uses Method Wrappers in its' implementation, just like > the AspectS language did. But the plan is once we have all features > implemented, that we will start compiling using the Opal compiler of Pharo, > to make everything go faster. > > I don't understand why you need the Compiler. Tricky things like bytecode rewriting are mostly used in static languages because they lack all we have :) I mean, why not taking advantage of the dynamism of Smaltlalk and the fact of having classes and methods as first-class objects is not enough ? Cheers Mariano I just put one example from the website here so you can see what it looks > like: > > asp := PhAspect new > add: (PhAdvice new > pointcut: (PhPointcut new > receivers: 'SystemWindow+'; > selectors: 'position:'; > context: #(#receiver #arguments)); > advice: [:context | > Transcript show: context receiver. > Transcript show: ' moved to: '. > Transcript show: context arguments; cr.]; > type: #after). > asp install. > > Note: the unit tests of pointcuts take a large amount of time to execute, > as some of them match on everything in the image. > > For more info and how to download PHANtom see http://pleiad.cl/PHANtom > -- Mariano http://marianopeck.wordpress.com

May 4, 2011

[Pharo-project] Fwd: [ANN] PHANtom: A modern Aspect Language for Pharo

by Lemuus

Hello all, We are happy to announce the release of PHANtom: a modern aspect language for Pharo. PHANtom was built taking into account recent advances in aspect language features such as dynamic advice rescheduling, reentrancy management, and scoping strategies for deployment. The advanced features are not all implemented yet, but the 'normal' features work and are well-tested (about 130 unit tests) so we are relasing it to the world for you to try out. We hope PHANtom can help you to solve some cross-cutting code problems. An overview of the language can be found at http://pleiad.cl/PHANtom Please try it out, see if it works for you, all your comments are welcome! More details: I am doing this as my engineering thesis, under the guidance of Prof. Johan Fabry. PHANtom works in Pharo 1.2.1 and in 1.3, and also in PharoCore. Right now, PHANtom uses Method Wrappers in its' implementation, just like the AspectS language did. But the plan is once we have all features implemented, that we will start compiling using the Opal compiler of Pharo, to make everything go faster. I just put one example from the website here so you can see what it looks like: asp := PhAspect new add: (PhAdvice new pointcut: (PhPointcut new receivers: 'SystemWindow+'; selectors: 'position:'; context: #(#receiver #arguments)); advice: [:context | Transcript show: context receiver. Transcript show: ' moved to: '. Transcript show: context arguments; cr.]; type: #after). asp install. Note: the unit tests of pointcuts take a large amount of time to execute, as some of them match on everything in the image. For more info and how to download PHANtom see http://pleiad.cl/PHANtom

May 4, 2011

Re: [Pharo-project] PharoCore 1.3 built stalled

by Igor Stasenko

On 4 May 2011 17:48, Gary Chambers <gazzaguru2(a)btinternet.com> wrote: > Indeed, perhaps then Â an alert after startup showing startup "issues"? > Yes, something like that. The point is, that during startup there should be no code, which shows a dialog and waiting user to press ok. Using UI during startup procedure is silly anyways, because you cannot be really sure, if there are UI at all (for instance this warning about .changes file could occur in image with having no morphic installed ;) > Regards, Gary > > ----- Original Message ----- From: "Igor Stasenko" <siguctua(a)gmail.com> > To: <Pharo-project(a)lists.gforge.inria.fr> > Sent: Wednesday, May 04, 2011 4:45 PM > Subject: Re: [Pharo-project] PharoCore 1.3 built stalled > > > On 4 May 2011 17:04, Gary Chambers <gazzaguru2(a)btinternet.com> wrote: >> >> Of course, now, we get no warning of being unable to write to the changes >> file... >> (e.g. when starting a second invocation of Pharo...) >> > > which is never shown properly , because it was "shown" before morphic > initialized. > To fix that, it should use #addDeferredUIMessage: > to inform user, when UI is ready to work after startup is complete. > > But apparently not in the middle of startup, when you cannot clearly > tell, if its already safe to make any > calls to morphic or not.. > > >> Regards, Gary >> >> ----- Original Message ----- From: "Igor Stasenko" <siguctua(a)gmail.com> >> To: <Pharo-project(a)lists.gforge.inria.fr> >> Sent: Tuesday, May 03, 2011 2:52 AM >> Subject: Re: [Pharo-project] PharoCore 1.3 built stalled >> >> >> On 3 May 2011 00:49, StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> wrote: >>> >>> it is my fault but I have no idea how to solve it. >>> A package was loading over an already existing one and you get a pop up. >>> >> >> i have a fix for it. >> See #4075 >> >> it makes sure that no matter what current UI manager you using >> (running image headless or not) >> a system startup (all classes startup) is _always_ performed using >> non-interactive UI manager. >> >> So, since CommandLine file-in scripts during startup, this will make >> sure that it will run non-interactively. >> >> >>> Stef >>> >>> On May 2, 2011, at 11:39 PM, Igor Stasenko wrote: >>> >>>> On 2 May 2011 23:26, Igor Stasenko <siguctua(a)gmail.com> wrote: >>>>> >>>>> On 2 May 2011 23:13, laurent laffont <laurent.laffont(a)gmail.com> wrote: >>>>>> >>>>>> Last built started more than 1 day ago and not finished .... >>>>>> Laurent. >>>>> >>>>> This is not good. I killed the jobs. Lets see if it will repeat again. >>>>> >>>> >>>> Okay the problem is that there is a warning and it is handled by >>>> MorphicUIManager, >>>> instead of NonInteractiveUIManager which just forcing it to always >>>> proceed, while morphic one >>>> expects user to press proceed or abandon. >>>> >>>> So, the problem is with an update of >>>> progressTitle: 'Loading 13179-Pha-PlentyOfCleans...' >>>> >>>> >>>> But i don't undestand why it not switched to NonInteractiveUIManager >>>> at image startup. >>>> Aha.. i guess i know why. >>>> Is its not because command line stuff that are triggered at image >>>> startup, which tries to evaluate some code >>>> before full startup procedure completes? >>>> >>>> A command line , i think should be changed to start loading external >>>> code only after >>>> everything else is started (including UI manager). >>>> Otherwise we will have problems like that. >>>> >>>>> -- >>>>> Best regards, >>>>> Igor Stasenko AKA sig. >>>>> >>>> >>>> >>>> >>>> -- >>>> Best regards, >>>> Igor Stasenko AKA sig. >>>> >>> >>> >>> >> >> >> >> -- >> Best regards, >> Igor Stasenko AKA sig. >> >> >> > > > > -- > Best regards, > Igor Stasenko AKA sig. > > > -- Best regards, Igor Stasenko AKA sig.

May 4, 2011

Re: [Pharo-project] PharoCore 1.3 built stalled

by Gary Chambers

Indeed, perhaps then an alert after startup showing startup "issues"? Regards, Gary ----- Original Message ----- From: "Igor Stasenko" <siguctua(a)gmail.com> To: <Pharo-project(a)lists.gforge.inria.fr> Sent: Wednesday, May 04, 2011 4:45 PM Subject: Re: [Pharo-project] PharoCore 1.3 built stalled On 4 May 2011 17:04, Gary Chambers <gazzaguru2(a)btinternet.com> wrote: > Of course, now, we get no warning of being unable to write to the changes > file... > (e.g. when starting a second invocation of Pharo...) > which is never shown properly , because it was "shown" before morphic initialized. To fix that, it should use #addDeferredUIMessage: to inform user, when UI is ready to work after startup is complete. But apparently not in the middle of startup, when you cannot clearly tell, if its already safe to make any calls to morphic or not.. > Regards, Gary > > ----- Original Message ----- From: "Igor Stasenko" <siguctua(a)gmail.com> > To: <Pharo-project(a)lists.gforge.inria.fr> > Sent: Tuesday, May 03, 2011 2:52 AM > Subject: Re: [Pharo-project] PharoCore 1.3 built stalled > > > On 3 May 2011 00:49, StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> wrote: >> >> it is my fault but I have no idea how to solve it. >> A package was loading over an already existing one and you get a pop up. >> > > i have a fix for it. > See #4075 > > it makes sure that no matter what current UI manager you using > (running image headless or not) > a system startup (all classes startup) is _always_ performed using > non-interactive UI manager. > > So, since CommandLine file-in scripts during startup, this will make > sure that it will run non-interactively. > > >> Stef >> >> On May 2, 2011, at 11:39 PM, Igor Stasenko wrote: >> >>> On 2 May 2011 23:26, Igor Stasenko <siguctua(a)gmail.com> wrote: >>>> >>>> On 2 May 2011 23:13, laurent laffont <laurent.laffont(a)gmail.com> wrote: >>>>> >>>>> Last built started more than 1 day ago and not finished .... >>>>> Laurent. >>>> >>>> This is not good. I killed the jobs. Lets see if it will repeat again. >>>> >>> >>> Okay the problem is that there is a warning and it is handled by >>> MorphicUIManager, >>> instead of NonInteractiveUIManager which just forcing it to always >>> proceed, while morphic one >>> expects user to press proceed or abandon. >>> >>> So, the problem is with an update of >>> progressTitle: 'Loading 13179-Pha-PlentyOfCleans...' >>> >>> >>> But i don't undestand why it not switched to NonInteractiveUIManager >>> at image startup. >>> Aha.. i guess i know why. >>> Is its not because command line stuff that are triggered at image >>> startup, which tries to evaluate some code >>> before full startup procedure completes? >>> >>> A command line , i think should be changed to start loading external >>> code only after >>> everything else is started (including UI manager). >>> Otherwise we will have problems like that. >>> >>>> -- >>>> Best regards, >>>> Igor Stasenko AKA sig. >>>> >>> >>> >>> >>> -- >>> Best regards, >>> Igor Stasenko AKA sig. >>> >> >> >> > > > > -- > Best regards, > Igor Stasenko AKA sig. > > > -- Best regards, Igor Stasenko AKA sig.

May 4, 2011

Re: [Pharo-project] PharoCore 1.3 built stalled

by Igor Stasenko

On 4 May 2011 17:11, Mariano Martinez Peck <marianopeck(a)gmail.com> wrote: > > > On Wed, May 4, 2011 at 5:04 PM, Gary Chambers <gazzaguru2(a)btinternet.com> > wrote: >> >> Of course, now, we get no warning of being unable to write to the changes >> file... >> (e.g. when starting a second invocation of Pharo...) >> > > Once (at brussels Sprint) I suggested Igor to change the headless UIMAnager > so that if receives iteration, instead (or maybe in addition) to throwing an > error, to log somewhere (kind of Transcipt in file) about such event. Maybe > it is worth it... > headless ui manager logs all errors, warnings and notices to PharoDebug.log > >> >> Regards, Gary >> >> ----- Original Message ----- From: "Igor Stasenko" <siguctua(a)gmail.com> >> To: <Pharo-project(a)lists.gforge.inria.fr> >> Sent: Tuesday, May 03, 2011 2:52 AM >> Subject: Re: [Pharo-project] PharoCore 1.3 built stalled >> >> >> On 3 May 2011 00:49, StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> wrote: >>> >>> it is my fault but I have no idea how to solve it. >>> A package was loading over an already existing one and you get a pop up. >>> >> >> i have a fix for it. >> See #4075 >> >> it makes sure that no matter what current UI manager you using >> (running image headless or not) >> a system startup (all classes startup) is _always_ performed using >> non-interactive UI manager. >> >> So, since CommandLine file-in scripts during startup, this will make >> sure that it will run non-interactively. >> >> >>> Stef >>> >>> On May 2, 2011, at 11:39 PM, Igor Stasenko wrote: >>> >>>> On 2 May 2011 23:26, Igor Stasenko <siguctua(a)gmail.com> wrote: >>>>> >>>>> On 2 May 2011 23:13, laurent laffont <laurent.laffont(a)gmail.com> wrote: >>>>>> >>>>>> Last built started more than 1 day ago and not finished .... >>>>>> Laurent. >>>>> >>>>> This is not good. I killed the jobs. Lets see if it will repeat again. >>>>> >>>> >>>> Okay the problem is that there is a warning and it is handled by >>>> MorphicUIManager, >>>> instead of NonInteractiveUIManager which just forcing it to always >>>> proceed, while morphic one >>>> expects user to press proceed or abandon. >>>> >>>> So, the problem is with an update of >>>> progressTitle: 'Loading 13179-Pha-PlentyOfCleans...' >>>> >>>> >>>> But i don't undestand why it not switched to NonInteractiveUIManager >>>> at image startup. >>>> Aha.. i guess i know why. >>>> Is its not because command line stuff that are triggered at image >>>> startup, which tries to evaluate some code >>>> before full startup procedure completes? >>>> >>>> A command line , i think should be changed to start loading external >>>> code only after >>>> everything else is started (including UI manager). >>>> Otherwise we will have problems like that. >>>> >>>>> -- >>>>> Best regards, >>>>> Igor Stasenko AKA sig. >>>>> >>>> >>>> >>>> >>>> -- >>>> Best regards, >>>> Igor Stasenko AKA sig. >>>> >>> >>> >>> >> >> >> >> -- >> Best regards, >> Igor Stasenko AKA sig. >> >> > > > > -- > Mariano > http://marianopeck.wordpress.com > > -- Best regards, Igor Stasenko AKA sig.

May 4, 2011

Re: [Pharo-project] PharoCore 1.3 built stalled

by Igor Stasenko

On 4 May 2011 17:04, Gary Chambers <gazzaguru2(a)btinternet.com> wrote: > Of course, now, we get no warning of being unable to write to the changes > file... > (e.g. when starting a second invocation of Pharo...) > which is never shown properly , because it was "shown" before morphic initialized. To fix that, it should use #addDeferredUIMessage: to inform user, when UI is ready to work after startup is complete. But apparently not in the middle of startup, when you cannot clearly tell, if its already safe to make any calls to morphic or not.. > Regards, Gary > > ----- Original Message ----- From: "Igor Stasenko" <siguctua(a)gmail.com> > To: <Pharo-project(a)lists.gforge.inria.fr> > Sent: Tuesday, May 03, 2011 2:52 AM > Subject: Re: [Pharo-project] PharoCore 1.3 built stalled > > > On 3 May 2011 00:49, StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> wrote: >> >> it is my fault but I have no idea how to solve it. >> A package was loading over an already existing one and you get a pop up. >> > > i have a fix for it. > See #4075 > > it makes sure that no matter what current UI manager you using > (running image headless or not) > a system startup (all classes startup) is _always_ performed using > non-interactive UI manager. > > So, since CommandLine file-in scripts during startup, this will make > sure that it will run non-interactively. > > >> Stef >> >> On May 2, 2011, at 11:39 PM, Igor Stasenko wrote: >> >>> On 2 May 2011 23:26, Igor Stasenko <siguctua(a)gmail.com> wrote: >>>> >>>> On 2 May 2011 23:13, laurent laffont <laurent.laffont(a)gmail.com> wrote: >>>>> >>>>> Last built started more than 1 day ago and not finished .... >>>>> Laurent. >>>> >>>> This is not good. I killed the jobs. Lets see if it will repeat again. >>>> >>> >>> Okay the problem is that there is a warning and it is handled by >>> MorphicUIManager, >>> instead of NonInteractiveUIManager which just forcing it to always >>> proceed, while morphic one >>> expects user to press proceed or abandon. >>> >>> So, the problem is with an update of >>> progressTitle: 'Loading 13179-Pha-PlentyOfCleans...' >>> >>> >>> But i don't undestand why it not switched to NonInteractiveUIManager >>> at image startup. >>> Aha.. i guess i know why. >>> Is its not because command line stuff that are triggered at image >>> startup, which tries to evaluate some code >>> before full startup procedure completes? >>> >>> A command line , i think should be changed to start loading external >>> code only after >>> everything else is started (including UI manager). >>> Otherwise we will have problems like that. >>> >>>> -- >>>> Best regards, >>>> Igor Stasenko AKA sig. >>>> >>> >>> >>> >>> -- >>> Best regards, >>> Igor Stasenko AKA sig. >>> >> >> >> > > > > -- > Best regards, > Igor Stasenko AKA sig. > > > -- Best regards, Igor Stasenko AKA sig.

May 4, 2011

Re: [Pharo-project] new Cog VMs uploaded

by Chris Cunningham

You should be able to extract the code and use it in Pharo/Squeak without issue, even if it is GPL. What you can't do is include it in the distribution, since it isn't MIT. You also shouldn't study the code and write your own version of it - I believe that would be a derivative work, which would likely make it a GPL derivative. However, if it was extracted, and you brought it in to do profiling, and then removed it afterwards, that shouldn't be an issue at all. Just remember to remove it after you no longer need it - that way the GPL code won't accidentally creep into the Pharo/Squeak code-base. Basically, this would be a great example of a project that should be an external project and not part of core (or dev). -Chris

May 4, 2011

[Pharo-project] [ANN] PHANtom: A modern Aspect Language for Pharo

by Lemuus

Hello all, We are happy to announce the release of PHANtom: a modern aspect language for Pharo. PHANtom was built taking into account recent advances in aspect language features such as dynamic advice rescheduling, reentrancy management, and scoping strategies for deployment. The advanced features are not all implemented yet, but the 'normal' features work and are well-tested (about 130 unit tests) so we are relasing it to the world for you to try out. We hope PHANtom can help you to solve some cross-cutting code problems. An overview of the language can be found at http://pleiad.cl/PHANtom Please try it out, see if it works for you, all your comments are welcome! More details: I am doing this as my engineering thesis, under the guidance of Prof. Johan Fabry. PHANtom works in Pharo 1.2.1 and in 1.3, and also in PharoCore. Right now, PHANtom uses Method Wrappers in its' implementation, just like the AspectS language did. But the plan is once we have all features implemented, that we will start compiling using the Opal compiler of Pharo, to make everything go faster. I just put one example from the website here so you can see what it looks like: asp := PhAspect new add: (PhAdvice new pointcut: (PhPointcut new receivers: 'SystemWindow+'; selectors: 'position:'; context: #(#receiver #arguments)); advice: [:context | Transcript show: context receiver. Transcript show: ' moved to: '. Transcript show: context arguments; cr.]; type: #after). asp install. Note: the unit tests of pointcuts take a large amount of time to execute, as some of them match on everything in the image. For more info and how to download PHANtom see http://pleiad.cl/PHANtom

May 4, 2011

Re: [Pharo-project] PharoCore 1.3 built stalled

by Mariano Martinez Peck

On Wed, May 4, 2011 at 5:04 PM, Gary Chambers <gazzaguru2(a)btinternet.com>wrote: > Of course, now, we get no warning of being unable to write to the changes > file... > (e.g. when starting a second invocation of Pharo...) > > Once (at brussels Sprint) I suggested Igor to change the headless UIMAnager so that if receives iteration, instead (or maybe in addition) to throwing an error, to log somewhere (kind of Transcipt in file) about such event. Maybe it is worth it... > Regards, Gary > > ----- Original Message ----- From: "Igor Stasenko" <siguctua(a)gmail.com> > To: <Pharo-project(a)lists.gforge.inria.fr> > Sent: Tuesday, May 03, 2011 2:52 AM > Subject: Re: [Pharo-project] PharoCore 1.3 built stalled > > > > On 3 May 2011 00:49, StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> wrote: > >> it is my fault but I have no idea how to solve it. >> A package was loading over an already existing one and you get a pop up. >> >> > i have a fix for it. > See #4075 > > it makes sure that no matter what current UI manager you using > (running image headless or not) > a system startup (all classes startup) is _always_ performed using > non-interactive UI manager. > > So, since CommandLine file-in scripts during startup, this will make > sure that it will run non-interactively. > > > Stef >> >> On May 2, 2011, at 11:39 PM, Igor Stasenko wrote: >> >> On 2 May 2011 23:26, Igor Stasenko <siguctua(a)gmail.com> wrote: >>> >>>> On 2 May 2011 23:13, laurent laffont <laurent.laffont(a)gmail.com> wrote: >>>> >>>>> Last built started more than 1 day ago and not finished .... >>>>> Laurent. >>>>> >>>> >>>> This is not good. I killed the jobs. Lets see if it will repeat again. >>>> >>>> >>> Okay the problem is that there is a warning and it is handled by >>> MorphicUIManager, >>> instead of NonInteractiveUIManager which just forcing it to always >>> proceed, while morphic one >>> expects user to press proceed or abandon. >>> >>> So, the problem is with an update of >>> progressTitle: 'Loading 13179-Pha-PlentyOfCleans...' >>> >>> >>> But i don't undestand why it not switched to NonInteractiveUIManager >>> at image startup. >>> Aha.. i guess i know why. >>> Is its not because command line stuff that are triggered at image >>> startup, which tries to evaluate some code >>> before full startup procedure completes? >>> >>> A command line , i think should be changed to start loading external >>> code only after >>> everything else is started (including UI manager). >>> Otherwise we will have problems like that. >>> >>> -- >>>> Best regards, >>>> Igor Stasenko AKA sig. >>>> >>>> >>> >>> >>> -- >>> Best regards, >>> Igor Stasenko AKA sig. >>> >>> >> >> >> > > > -- > Best regards, > Igor Stasenko AKA sig. > > > -- Mariano http://marianopeck.wordpress.com

May 4, 2011