- Pharo-dev - lists.pharo.org

[Pharo-project] FileSystem class>>separator?

by StÃ©phane Ducasse

Hi Right now if I want to get the separator I have to get the FileSystem instance FileSystem disk separator I was thinking that it would be good to be able to access separator without going to the instance. Does it make sense? Probably not since the separator depends on the store used and so separator would have to delegate anyway. Stef

Nov. 1, 2012

[Pharo-project] Network-MIME extensions

by Pavel Krivanek

Hi, the package Network-MIME contains extension methods for classes FileDirectory and MacFileDirectory that are not present in the system: http://code.google.com/p/pharo/issues/detail?id=6895 -- Pavel

Nov. 1, 2012

[Pharo-project] differently organized method categories in the Debugger dnu: create process

by Paul DeBruicker

Hi- When I create methods using the Debugger's 'Create' button I am never sure which categories are used in the class I'm adding the method to versus those in its super classes. In an effort to not have to think about that any more I've adapted the ClassDescription>>#allMethodCategoriesIntegratedThrough: to put the method categories that are used in the target class first, then those in the super classes after that. I think this should work in Pharo and Squeak but I've only tested it in Pharo 1.4. I've attached a changeset and also pasted the method below Paul allMethodCategoriesIntegratedThrough: mostGenericClass "Answer a list of all the method categories of the receiver and all its superclasses, up through mostGenericClass" | otherClassCategories thisClassCategories combinedClassCategories | otherClassCategories := OrderedCollection new. self allSuperclasses do: [ :aClass | (aClass includesBehavior: mostGenericClass) ifTrue: [ otherClassCategories addAll: aClass organization categories ] ]. otherClassCategories remove: 'no messages' asSymbol ifAbsent: [ ]. thisClassCategories := self organization categories asSortedCollection: [ :a :b | a asLowercase < b asLowercase ]. ^ Array streamContents: [ :stream | stream nextPutAll: thisClassCategories; nextPutAll: ((otherClassCategories asSet removeAllSuchThat: [ :each | thisClassCategories includes: each ]) asSortedCollection: [ :a :b | a asLowercase < b asLowercase ]) ]

Nov. 1, 2012

[Pharo-project] How to use alien and/or FFI in OS X or iOS

by Gerold Pummer

Hello! I want to use the native UI of iOS for my apps(*) and came across Alien and FFI. I did a ConfigurationOfAlien loadMacOSX to see the samples and each of this samples reveals a MessageNotUnderstood exception for Alien>>lookup if they are called. No errors on loading the packages into the image. ObjCRuntimeRef>alienMethodNamed: is calling Alien>>lookup: This method was moved from Alien to AlienLibrary with Alien-Core-sd.17. A closer look into the source (in Alien or AlienLibrary) shows that the given libraryname is completly ignored and only IAB32 is used. The first use of Alien>>lookup is found in ObjCRuntimeRef>initialize. Completely lost at the moment, because I'm sure the samples have worked (someday), but the changes in Alien (moved lookup and so on) are from 2009. Can you give me some hints what I did wrong, or what I should do to give better information to you? Is Alien/FFI the right path or should I use an other package (which one)? What I did: OS X 10.8.2 with the CogVM app for Pharo 1.4 and the summer from the pharo-project site. Gofer it squeaksource: 'MetacelloRepository' ; package: 'ConfigurationOfFFI' ; load. (ConfigurationOfFFI project version: '1.5') load. Gofer it squeaksource: 'MetacelloRepository' ; package: 'ConfigurationOfAlien' ; load. ConfigurationOfAlien loadMacOSX. I tried also 'ConfigurationOfOldAlien' because this version has the Alien>>lookup, but then I have no ObjCRuntimeRef/Samples. Many thanks in advance! Gerold (*) I have managed to compile an iOS VM under OS X 10.8.2 with XCode 4.5.1 with iOS SDK 6.0. Pharo 1.4 StackVM is running with the cleanForProduction Summer image on iPhone 4s and iPad2. Many thanks to Esteban Lorenzano (and all the others!) for his https://gitorious.org/cogvm/blessed -- Gerold Pummer Salzburg, Austria

Nov. 1, 2012

[Pharo-project] Aida with Realtime (WebSockets) support released

by Janko MivÅ¡ek

Dear Smalltalkers, I think it can be safely claimed that Aida/Web is a first Smalltalk web framework, even more, one of the first frameworks at all to integrate HTML5 WebSockets for so called realtime web apps. Realtime in sense that values on the page are updated immediately when value changes on the server, without needing to manually reload a page. You can see that in action from WebSocket-capable browsers (latest Firefox and Chrome) if you open in two browsers the online Aida realtime counter demo, click buttons on one and observe changes instantly in both browsers: http://demo.aidaweb.si/demos?view=realtime And how easy is using real-time in your code? See the simplified code of above demo: WebDemoApp>>viewRealtime | e counterElement | self enableRealtime. counterElement := e add: self counterElement. (e addButtonText: ' Decrement ') noSubmit; onClickDo: [self observee decCounter]. (e addButtonText: ' Increment ') noSubmit; onClickDo: [self observee incCounter]. self observee onChangeDo: [counterElement update] on: counterElement app: self. self add: e. WebDemoApp>>counterElement | e | e := WebElement newSpan. e style: 'font-size: 40px'. e addText: self observee counter printString. ^e To describe this code a bit: you first enable realtime for this view of demo App. Element on the webpage to update in realtime must be created in a separate method (#counterElement). After buttons for increment and decrement we come to the main part - registering the block to execute on every change of domain object. Calling simply #update to the counter element is enough to be updated on all browsers which currently observe that counter demo. How this works? Behind the scenes a so called realtime channel is open between browser and Aida server. This WebSocket based channel is bidirectional and full-duplex, meaning that Aida can send back to the browser a message at any time. In above case a command to update the counter element is sent back to all browsers immediately after counter is changed. New Aida 6.5 Interim release is released for Squeak, Pharo and VisualWorks and available from usual places. See http://www.aidaweb.si for more. Everyone is welcome to try it and come with suggestions how to use this new feature, how to improve it, .... Further read: http://www.aidaweb.si/websocket%20support http://www.swazoo.org/websocket Best regards Janko -- Janko MivÅ¡ek Aida/Web Smalltalk Web Application Server http://www.aidaweb.si

Nov. 1, 2012

[Pharo-project] wrong FileSystem paths resolving

by Pavel Krivanek

Hi, in a Jenkins job configuration I have this bash line for Pharo start: ./vm.sh "images/$IMAGE_NAME.image" "$WORKSPACE/support/pharo.tank" "$WORKSPACE/support/pharo.tankst" In the console I got this error + ./vm.sh images/PharoKernelTanker-2.0.image '/builds/jenkins/workspace/Pharo Kernel 2.0 Reload by Fuel/support/pharo.tank' '/builds/jenkins/workspace/Pharo Kernel 2.0 Reload by Fuel/support/pharo.tankst' ==== Startup Error: FileDoesNotExist: file:///builds/jenkins/workspace/Pharo Kernel 2.0 Reload by Fuel/images/Fuel/support/pharo.tank As you may see, the image argument is passed by full path but it is interpreted wrongly. Tanker uses simply 'xxx' asFileReference on argument. The problem is clearly in the spaces in the path (see "Fuel/support/pharo.tank" at the end of path). On my localmachine id fails too if I use "$PWD/pharo.tank" "$PWD/pharo.tankst" as argument and the path does contain spaces. When I have this files in the image directory (even when the image path contains spaces) and I use only names of this files without full path, they are loaded well. Cheers, -- Pavel

Nov. 1, 2012

Re: [Pharo-project] Unable to use Monticello in last images from Jenkins

by Guido Chari

Both tests succeed. I couldn't read at home so i couldn't test it without the proxy but i'm "almost sure" the proxy is not explaining the issue. 2012/11/1 Camillo Bruni <camillobruni(a)gmail.com> > could you try the following "benchmarks" > > > http://dev.nuclearrooster.com/2009/11/08/checking-gzipdeflate-server-respon… > > with the following urls (just 2 projects): > http://smalltalkhub.com/mc/estebanlm/Voyage/main > http://squeaksource.com/NativeBoost/ > > both support gzip answers without problems. > > On 2012-10-31, at 23:47, Sven Van Caekenberghe <sven(a)stfx.eu> wrote: > > Would it be possible to test without the transparant proxy ? > > From another location, like from home ? > > If this would fail for everyone, we would have heard about it much > sooner. > > > > On 31 Oct 2012, at 22:27, Guido Chari <charig(a)gmail.com> wrote: > > > >> Yes, since a couple of weeks i can't. I'm on a Unix now behind a > transparent proxy. Same Vm, on same machine, behind the same proxy, no > problem if strip out the gzip header from the packet. > >> > >> I'm using a custom personalized VM. But the only thing that is > generating the error is the gzip header option on the http packet. Is that > option deeply related or coupled to the vm? BTW, the error is a 400 from > the server so i don't believe so. > >> > >> No one else experimenting the same as me? > >> > >> > >> > >> 2012/10/31 Camillo Bruni <camillobruni(a)gmail.com> > >> You say you cannot download from squeaksource in the latest 2.0 image? > >> > >> We use that regularly, for instance for the NativeBoost build, > >> and everything works fine (win / linux / mac) > >> > >> That leaves me quite puzzled about the real cause of this bug... > >> > >> > >> On 2012-10-31, at 21:47, Guido Chari <charig(a)gmail.com> wrote: > >>> Hi, > >>> > >>> Since a couple of weeks i'm have not been able to download packages > with > >>> Metacello on last image versions from Jenkins. > >>> > >>> Today i found that if i revert changes on httpClient method from > >>> MCHttpRepository everything works fine again. > >>> > >>> I haven't research deeply on why, i'm not an expert on Zinc, but the > >>> message that is breaking everything and making my image to receive a > 400 > >>> error from squeaksource is setAcceptEncodingGzip that is addinng the > gzip > >>> header to the requests. > >>> > >>> As i said, i haven't going to deep with this but as i am the only one > who > >>> is watching this behavior perhaps is something only for squeaksource. > >>> > >>> If this is actually an issue and not some fault from myself, and > someone > >>> give me some help, i can help with the solution. > >>> > >>> Cheers, > >>> Guido. > > > > -- > > Sven Van Caekenberghe > > http://stfx.eu > > Smalltalk is the Red Pill > > > > > > > > > > >

Nov. 1, 2012

Re: [Pharo-project] Smalltalk to Python and back

by Fernando Olivero

Hi, you can get inspiration from http://clamato.net/, a similar approach using petit parser to translate to javascript. Fernando On Thu, Nov 1, 2012 at 1:42 PM, dimitris chloupis <thekilon(a)yahoo.co.uk>wrote: > Probably I have mentioned this several times but I am working on a project > for visual programming targeting 3d app blender. I am using currently pharo > though I am still interested in squeak too and I have decided that in order > to communicate with blender python to use a socket bridge. My project is > named "Ephestos". Now what was wondering is the following, how difficult it > would be to parse smalltalk to python. Ephestos is of course smalltalk , > and blender uses python for its addon system. It would be great if > extensions made in Ephestos could converted to python addons. > > I am already planning to map smalltalk methods to Blender python api call, > but I was wondering how easy it would be to parse that code to python. > > So far I am aware of OMeta and Petit Parser libraries. What are your > suggestions ? >

Nov. 1, 2012

Re: [Pharo-project] Unable to use Monticello in last images from Jenkins

by Camillo Bruni

could you try the following "benchmarks" http://dev.nuclearrooster.com/2009/11/08/checking-gzipdeflate-server-respon… with the following urls (just 2 projects): http://smalltalkhub.com/mc/estebanlm/Voyage/main http://squeaksource.com/NativeBoost/ both support gzip answers without problems. On 2012-10-31, at 23:47, Sven Van Caekenberghe <sven(a)stfx.eu> wrote: > Would it be possible to test without the transparant proxy ? > From another location, like from home ? > If this would fail for everyone, we would have heard about it much sooner. > > On 31 Oct 2012, at 22:27, Guido Chari <charig(a)gmail.com> wrote: > >> Yes, since a couple of weeks i can't. I'm on a Unix now behind a transparent proxy. Same Vm, on same machine, behind the same proxy, no problem if strip out the gzip header from the packet. >> >> I'm using a custom personalized VM. But the only thing that is generating the error is the gzip header option on the http packet. Is that option deeply related or coupled to the vm? BTW, the error is a 400 from the server so i don't believe so. >> >> No one else experimenting the same as me? >> >> >> >> 2012/10/31 Camillo Bruni <camillobruni(a)gmail.com> >> You say you cannot download from squeaksource in the latest 2.0 image? >> >> We use that regularly, for instance for the NativeBoost build, >> and everything works fine (win / linux / mac) >> >> That leaves me quite puzzled about the real cause of this bug... >> >> >> On 2012-10-31, at 21:47, Guido Chari <charig(a)gmail.com> wrote: >>> Hi, >>> >>> Since a couple of weeks i'm have not been able to download packages with >>> Metacello on last image versions from Jenkins. >>> >>> Today i found that if i revert changes on httpClient method from >>> MCHttpRepository everything works fine again. >>> >>> I haven't research deeply on why, i'm not an expert on Zinc, but the >>> message that is breaking everything and making my image to receive a 400 >>> error from squeaksource is setAcceptEncodingGzip that is addinng the gzip >>> header to the requests. >>> >>> As i said, i haven't going to deep with this but as i am the only one who >>> is watching this behavior perhaps is something only for squeaksource. >>> >>> If this is actually an issue and not some fault from myself, and someone >>> give me some help, i can help with the solution. >>> >>> Cheers, >>> Guido. > > -- > Sven Van Caekenberghe > http://stfx.eu > Smalltalk is the Red Pill > > > >

Nov. 1, 2012

[Pharo-project] Smalltalk to Python and back

by dimitris chloupis

Probably I have mentioned this several times but I am working on a project for visual programming targeting 3d app blender. I am using currently pharo though I am still interested in squeak too and I have decided that in order to communicate with blender python to use a socket bridge. My project is named "Ephestos". Now what was wondering is the following, how difficult it would be to parse smalltalk to python. Ephestos is of course smalltalk , and blender uses python for its addon system. It would be great if extensions made in Ephestos could converted to python addons. I am already planning to map smalltalk methods to Blender python api call, but I was wondering how easy it would be to parse that code to python. So far I am aware of OMeta and Petit Parser libraries. What are your suggestions ?

Nov. 1, 2012