Moose-dev January 2013

moose-dev@list.inf.unibe.ch

16 participants
121 discussions

How to organize Moose on SmalltalkHub
by Stéphane Ducasse 30 Jan '13

30 Jan '13

Hi doru I have some scripts (available in the wonderful chapter on Gofer) to migrate code from ss and ss3 to SmalltalkHub. Now the question is how do we organize moose? I propose to create a team Moosers? and Moose as a project Then what do we put underneath? Fame as subproject? Mondrian Metanool Stef

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Freezing version Moose-based tools
by Stéphane Ducasse 29 Jan '13

29 Jan '13

Hi guys I finished to find a stupid bug today. Now the moose reloader works. The idea is that you can freeze a complete Moose tools and be able to take a 1.4 image and reload all the packages that were loaded when you snapshot it. I could reload the latest version of Moose in a 1.4 image. I published the result on ConfigurationOfMoose. Gofer new url: 'http://smalltalkhub.com/mc/StephaneDucasse/MooseReloader/main' username: '' password: ''; package: 'ReloaderForMoose'; load Here is the comment of this class. I'm a kind of saver/loader that knows how to save and load list of packages by recursively navigating metacello configurationOf. To work I need a metacello record and a place to save package version. Here are examples to create a spec of packages to be saved. =========================================== In an image containing the loaded configuration of the tools you want to version execute the following: Reloader new configurationRecordInput: (((Smalltalk globals at: #ConfigurationOfMoose) project version: 'default') ignoreImage: true; record) ; repositoryClass: MooseConfigurationRepositoryForPharo14; publishNewVersion Reloader new configurationRecordInput: (((Smalltalk globals at: #ConfigurationOfMoose) project version: 'default') ignoreImage: true; record) ; repositoryClass: ConfigurationOfMoose; publishNewVersion It will produce a method called scriptXxx in the repositoryClass you specify. Here is an example of such method. script5 ^ #( #('ConfigurationOfFame-StephaneDucasse.6.mcz' 'http://www.squeaksource.com/Fame/' 'ConfigurationOfFame' ) #('ConfigurationOfMooseAlgos-TudorGirba.28.mcz' 'http://www.squeaksource.com/MooseAlgos/' 'ConfigurationOfMooseAlgos' ) ...... ) You can then use this method as follows, for example in a ConfigurationOf you can flatVersion47: spec <version: '4.7-flat'> spec for: #common do: [ self populateSpec: spec with: self script5 ] Note that the populateSpec: with: is generated when necessary. Reloading. =================================== In another image you can reload the configuration in two different ways: either by using metacello or by using the reloader. Using metacello is simple if you created a method similar to flatVersion47: spec <version: '4.7-flat'> spec for: #common do: [ self populateSpec: spec with: self script5 ] just execute (ConfigurationOfMoose project version: '4.7-flat') load If you do not use a configurationOf you can simply invoke the method reload: with the number of the script using the method reload: aNumber and it will load all the packages you previously specified. reloadLatest will load the latest script version Typical use cases are: ------------------------------------ Reloader new repositoryClass: MooseConfigurationRepositoryForPharo14; reload: 2 Reloader new repositoryClass: SynectiqueCaseOneConfigurationRepository; publishNewVersion Reloader new repositoryClass: SynectiqueCaseOneConfigurationRepository; loginSpecification: {{ '*squeaksource*' . 'sd' . 'xyxyx'} . { '*ss3*' . 'StephaneDucasse' . 'xxxx'} . { '*' . '' . ''}}; reload: 2 =================================================== Implementation Notes. First version fully working on metacello records. Let me know if it works for you. Stef

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Re: Issue 865 in moose-technology: Reloader should get the list of packages to be loaded from the ConfigurationOfMoose
by moose-technology＠googlecode.com 29 Jan '13

29 Jan '13

Comment #2 on issue 865 by tu...(a)tudorgirba.com: Reloader should get the list of packages to be loaded from the ConfigurationOfMoose http://code.google.com/p/moose-technology/issues/detail?id=865 The problem is that we still cannot quite obtain the list of packages from Metacello in proper order.

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Issue 851 in moose-technology: Create a stable version for Moose and all its subparts
by moose-technology＠googlecode.com 29 Jan '13

29 Jan '13

Status: New Owner: ---- Labels: Type-Engineering Priority-Medium Maintainability Milestone-4.7 New issue 851 by tu...(a)tudorgirba.com: Create a stable version for Moose and all its subparts http://code.google.com/p/moose-technology/issues/detail?id=851 The configuration of Moose should be versionned, especially for a release. We have to investigate if Reloader is good enough for 4.7.

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the build is green
by Tudor Girba 29 Jan '13

29 Jan '13

Hi, Thanks to the fix of Stef and the rapid Roassal fix of Alex, we now have a green build: http://ci.moosetechnology.org/job/moose-latest-dev/ So, we are pretty much ready for the release. Cheers, Doru -- www.tudorgirba.com "If you can't say why something is relevant, it probably isn't."

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Roassal vision - animated layout algorithm
by Ben Coman 28 Jan '13

28 Jan '13

Just an idea floating through my head (its good to let them out before they do too much damage in there) ... It seems lots of research continues to goes into improving layouting algorithms. I think Roassal could provide a good basis to visualize the operation of a layout algorithm as an animation. This could be useful to researchers as well as teaching demonstrations to students. The benefit for Roassal of being 'the platform' for researchers to develop and test their layout algorithms, would be ending up with all the latest and greatest of these built-in. Perhaps a student project... One alternative could be a framework that manually inserted #signalUpdate's at significant points of the algorithm. Another could being extending the Smalltalk debugger to automatically send #signalUpdate's with each step. cheers -ben

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Glamour-roassal does not unsubscribe when browser error
by Usman Bhatti 27 Jan '13

27 Jan '13

Hello, I had a "Not enough memory" problem in my Moose image so digging the error (with Jean-Baptiste) reveals that when there is an error in a glamour browser, roassal visualization does not unsubscribe events. In my case, it retained the browser objects in the memory because these were pointed to by the subscriptions and this the browser was not releasing my MooseModel. To reproduce the problem, you can execute the script below. On the right pane, right click on any node and then do, "select in tree". Close browser, garbage collect, and then do: MOAnnouncer allInstances. There are few instances related to MOAnnouncer that exist in the memory. Without the error, these objects disappear. Can you please have a look? tx, Usman | browser items | browser := GLMTabulator withStatusbar. items := 50. browser column: #one; column: #two. browser transmit to: #one; andShow: [ :a | (a tree) title: 'Tree'; showOnly: 30; display: [:each | 1 to: items]; children: [ :item :x :level | level > 1 ifTrue: [ #() ] ifFalse: [ 1 to: item ]]]. browser transmit to: #two; from: #one; andShow: [ :a | a mondrian title: 'Numbers in Mondrian list'; painting: [:view :number | view interaction item: 'Select in tree' action: [:each | ((browser paneNamed: #one) port:#selection) value:41 ]. view interaction on: ROMouseEnter do: [ :n | ]. view shape rectangle size: 10. view nodes: (Collection withAllSubclasses). view edgesFrom: #superclass. view treeLayout. ] ]. browser openOn: 1

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Issue 903 in moose-technology: ROEdge without ROLine locks the image
by moose-technology＠googlecode.com 27 Jan '13

27 Jan '13

Status: New Owner: ---- Labels: Type-Defect Priority-Medium New issue 903 by benjamin...(a)gmail.com: ROEdge without ROLine locks the image http://code.google.com/p/moose-technology/issues/detail?id=903 I have isolated the problem with the image locking up when ROEdge is used without ROLine. I noticed that problem occurred also when using ROAbstractLine instead of ROLine. So hacking breakpoints & logging into the four methods of ROLine lead me to these being called on from ROEdge on instance variable 'shape'. Looking at references of 'shape', I notice that ROEdge adds three methods that RONullShape does not have. So the image can be prevented from locking up with the following ugly hack... ROEdge>>contains: aPoint (shape isKindOf: RONullShape) ifTrue: [ ^false]. ^ shape contains: aPoint for: self ROEdge>>topLeft (shape isKindOf: RONullShape) ifTrue: [ ^ 0@0 ]. ^ (shape lineSegmentsFor: self) first I'll leave it there for Alexandre to come up with a more appropriate fix. cheers -ben Ben Coman wrote: > I can reproduce this on Windows 7 in Moose-4.7-beta from 2012-01-03 > (ConfigurationOfRoassal.A...B...752) > With the ROLine commented as shown below the image locks. Alt-. fails to > interrupt. > With the ROLine uncommented it works fine. > Forgetting ROLine is likely a common occurance for people new to Roassal, > so > this makes it a bit fragile. > --- > | view node1 node2 edge | > view := ROView new. > node1 := ROLabel elementOn: 'node1'. > node2 := ROLabel elementOn: 'node2'. > edge := (ROEdge from: node1 to: node2) "+ ROLine" . > view add: node1; add: node2; add: edge. > view open > --- > cheers -ben > Alexandre Bergel wrote: > > Hi Yuriy! > > > > I guess you meant "view add: edge; add: node1; add: node2." instead of > using "rawView". > > The script does not freeze the VM I use (Croquet Cog 4.0.2636 and the > one contained in the Pharo 1.4 one click). > > In fact, having an edge without line is perfectly okay. No error is > raised and none should be raised. The line is simply invisible. Strange > that you got this error. > > > > Anyone can reproduce this error? > > > > Cheers, > > Alexandre > > > > > > On Jan 25, 2013, at 10:37 AM, Yuriy Tymchuk <yuriy.tymchuk(a)me.com> > wrote: > > > > > >> Hi. > >> > >> When edges are initialized without lines, VM freezes. > >> > >> For instance when I run next code: > >> > >> | view node1 node2 edge | > >> view := ROView new. > >> node1 := ROLabel elementOn: 'node1'. > >> node2 := ROLabel elementOn: 'node2'. > >> node1 @ RODraggable. > >> node2 @ RODraggable. > >> edge := ROEdge from: node1 to: node2. > >> rawView add: edge; add: node1; add: node2. > >> ROHorizontalLineLayout on: (Array with: node1 with: node2). > >> view open > >> > >> > >> I know that you should do something like > >> > >> edge + (ROLine red). > >> > >> But Roasal shouldnt freeze the VM anyway :) > >> > >> > >> > >> -- > >> View this message in context: > http://moose-dev.97923.n3.nabble.com/Roasal-freezing-VM-tp4025992.html > >> Sent from the moose-dev mailing list archive at Nabble.com. > >> _______________________________________________ > >> Moose-dev mailing list > >> Moose-dev(a)iam.unibe.ch > >> https://www.iam.unibe.ch/mailman/listinfo/moose-dev > >> > > > >

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Roasal freezing VM
by Yuriy Tymchuk 26 Jan '13

26 Jan '13

Hi. When edges are initialized without lines, VM freezes. For instance when I run next code: | view node1 node2 edge | view := ROView new. node1 := ROLabel elementOn: 'node1'. node2 := ROLabel elementOn: 'node2'. node1 @ RODraggable. node2 @ RODraggable. edge := ROEdge from: node1 to: node2. rawView add: edge; add: node1; add: node2. ROHorizontalLineLayout on: (Array with: node1 with: node2). view open I know that you should do something like edge + (ROLine red). But Roasal shouldnt freeze the VM anyway :) -- View this message in context: http://moose-dev.97923.n3.nabble.com/Roasal-freezing-VM-tp4025992.html Sent from the moose-dev mailing list archive at Nabble.com.

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roassal development version is unloadable
by Tudor Girba 26 Jan '13

26 Jan '13

Hi, I am looking into testing the fix of Stef to go around the PharoTaskForces problem, but now I have another problem: ConfigurationOfRoassal>>development is unloadable because version 1.266 needs to load RoassalMorphic-DR.108 which does not exist in the squeaksource repository. Alex, can you look into this, please? Cheers, Doru -- www.tudorgirba.com "Presenting is storytelling."

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Moose-dev January 2013