March 2020 - Pharo-users - lists.pharo.org

EXIF / JPEG metadata
by Alistair Grant Nov. 30, 2025

Nov. 30, 2025

Hi Everyone, As far as I can tell, JPEGReadWriter in Pharo 7 doesn't read (or write) the image metadata, e.g. title, keywords, exposure time, etc. Is anyone aware of a package that does? Thanks! Alistair

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Re: [Pharo-users] Personal wiki / information manager
by Evan Donahue Sept. 25, 2023

Sept. 25, 2023

Seems that Pharo is a magnet for this kind of project. I've been writing one as well and using it to organize my research notes. Does anyone working on personal info mgmt tools want to talk offline? I expect we're running into some of the same issues, both conceptual and technical. Evan

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WebDav and CalDav in Pharo ?
by CÃ©drick BÃ©ler April 13, 2022

April 13, 2022

Hi all, I do some experiments with iCal. For now I serve a full calendar over HTTP. Not bad, but it is read only. Iâd like to try CalDAV. I was looking for it, and also webDAV. Gofer it smalltalkhubUser: 'UdoSchneider' project: 'FileSystemNetwork'; configuration; load. #ConfigurationOfFileSystemNetwork asClass project stableVersion load: 'Webdav' Iâve found the project of Udo, but it doesnât load on P8. I think this is due to the stream refactoring. Right now the image hung. Iâll try maybe to load it manually. But I was wondering oof there were other alternatives ? TIA, CÃ©drick

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Re: [Pharo-users] Embedding pharo in C++
by tesonep＠gmail.com April 21, 2020

April 21, 2020

Hi Roland, the function vm_main_with_parameters() starts the vm and it will not return until the image finishes. In my example, only when the SDL window is closed, the quit primitive is executed and the function ends. To do a nicer POC we need to make modifications in the image, so it handles keeping the image open. On Wed, Jan 22, 2020 at 7:08 PM Roland PlÃ¼ss via Pharo-users <pharo-users(a)lists.pharo.org> wrote: > > I gave the C-Example repository a try but I don't fully understand how > it works. Does the vm_main_with_parameters() block until the VM is quit > or some function it runs? From looking at the source code I'm not sure > what it does. > > On 1/22/20 12:17 PM, Pierce Ng wrote: > > On Wed, Jan 22, 2020 at 11:04:07AM +0100, tesonep(a)gmail.com wrote: > >> nice to hear about the Pascal experiment, > > I've published my code on GH and sent an announcement to pharo-dev. > > > > Repo is https://github.com/PierceNg/pharo-vm-embedded-pascal > > > > Pierce > > > > > > -- > Yours sincerely > PlÃ¼ss Roland > > Leader and Head Programmer > - Game: Epsylon ( http://www.indiedb.com/games/epsylon ) > - Game Engine: Drag[en]gine ( http://www.indiedb.com/engines/dragengine > , http://dragengine.rptd.ch/wiki ) > - As well as various Blender export scripts und game tools > -- Pablo Tesone. tesonep(a)gmail.com

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Pharo on a chromebook?
by PAUL DEBRUICKER April 10, 2020

April 10, 2020

Forgive my ignorance but does anyone have a recipe to run Pharo on a Chromebook? Without having to install another OS. And also not with SqueakJS. Just on ChromeOS? Seems like its not possible. Just wanted to double check. thanks Paul

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Hi-DPI Support
by Steffen MÃ¤rcker April 7, 2020

April 7, 2020

Hi, I'd like to ask about the state of Hi-DPI support for Pharo. I already found two related GitHub issues which where inconclusive so far. Does the discussion take place elsewhere? If so, where? If not: - What is the current state? - Does a plan exist how to get there? - What are the missing pieces? - How can I support this endeavor in practice? Best, Steffen

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[Spec] List and notebook page
by Hilaire April 6, 2020

April 6, 2020

Hi, In a list contained in a notebook page, the display bloc is not called as expect: Likely I missed something, any idea? Thank. Keep safe. Hilaire connectPresenters Â Â Â scripts whenSelectedItemChanged: [ :class | Â Â Â Â Â Â methods selectPageIndex: 1. Â Â Â Â Â Â ((methods pageAt: 1) activePresenter ) Â Â Â Â Â Â Â Â Â items:Â class methods; Â Â Â Â Â Â Â Â Â display: [:aMethod | self halt. aMethod selector]. Â Â Â Â Â Â sourceÂ Â Â Â clearContent ]. newMethodsList Â Â Â methods := self newNotebook. Â Â Â methods Â Â Â Â Â Â addPage: self instanceMethodsTab; Â Â Â Â Â Â addPage: self classMethodsTab instanceMethodsTab Â Â Â ^ SpNotebookPage Â Â Â Â Â Â title: 'Methods' translated Â Â Â Â Â Â provider: [ self newList ] -- Dr. Geo http://drgeo.eu

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Latest PharoJS Success Story
by N. Bouraqadi April 3, 2020

April 3, 2020

The latest PharoJS-powered smartphone app is now live. Development has been made using Pharo. Then, javascript code is generated using PharoJS. Last, the app is built to target both iOS and Android thanks to Apache Cordova. Learn more and Download at https://nootrix.com/projects/brain-treats-app/ Noury

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Ballooning image size! Approaching 400MB
by Russ Whaley April 1, 2020

April 1, 2020

My image size keeps growing and growing. I've been scouring Google and mailing lists, trying to find a solution. Observables: - Running this 'query' shows I have a whole lot instances of Objects I've created that are not "releasing". There are 65000 instances of one Object/Class, and 350,000 of another. (there are more, these are just the big hitters). (Object allSubclasses collect: [ :aClass | aClass -> aClass allInstances size]) sort: [ :a :b | a value > b value ]. - Each time I load my app/UI - which creates/loads another 5000 of one object and 25,000 of the 2nd object - my Class>>instanceCount(s) keep growing and so does my image size. - I've done: - Smalltalk garbageCollect. - Smalltalk garbageCollectMost. - 10 timesRepeat: [ Smalltalk garbageCollect]. (many, many times) Somehow, these instances I create are not 'releasing'. All of my Classes are direct subclasses of Object. Interestingly enough, all these objects sit in a single collection for the high-level model - and there are only 67 instances of that Object... here's the hierarchy: MyTunes - instance holds a Dictionary of Libraries, rootFolder and tags collection Library - instance(s) hold Dictionary of Artists & Playlists, tags collection, and MyTunes reference Artist - instances hold Dictionary of Albums, and Library reference Album - instances hold Dictionary of Tracks, and Artist reference Track - instances hold TagInfo, Album reference TagInfo - instances hold fileReference and ByteString of ID3 tag info. PlayList - instances hold Dictionary of Tracks, Library reference. Here's my start code in my app... (I don't know how to use SpApplication, SpPresenter and my model(s) together - this may be part of the problem).. start "Override this to start your app" "*** I don't know how to use SpApplicatoin, SpPresenter and my model MyTunes ***" | myTunes tmpLibrary myPres | "where do I store the model -> MyTunes?" myTunes := MyTunes new. "this is just for testing, but the actual re-load of the library takes 15-20 minutes (60,000 files!)" tmpLibrary := myTunes readLibraryFromSTONfile. myTunes addLibrary: tmpLibrary. "where do I store the presenter -> MyTunesPresenter? " myPres := MyTunesPresenter on: tmpLibrary. myPres openWithSpec. While I'd love help with my App/Pres/Model - my first goal is to stop the rapid growth of my object. Questions? Thanks! Russ Whaley (USA, Ohio) -- Russ Whaley whaley.russ(a)gmail.com

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[ANN] Complishon: efficient heuristics for code completion
by Guillermo Polito March 31, 2020

March 31, 2020

Hi all, Since yesterday, Pharo 9 contains a new alternative code completion engine. The idea behind this engine is to be pluggable, to be efficient and to be more accurate through the introduction of heuristics. The completion engine implements a couple of nice heuristics, like - chances are `anOrderedCollection` references an ordered collection - chances are you want to auto-complete messages implemented in the same package New heuristics can be added easily (I was playing with plugging heuristics using type inference like roel typer). If you want more details, check the blogpost: https://masteringobjects.wordpress.com/2020/03/30/complishon-efficient-heur… <https://masteringobjects.wordpress.com/2020/03/30/complishon-efficient-heur…> And if you have ideas for new heuristics that could make your Pharo experience better, let us know! Cheers, Guille

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