Squeak-dev November 2020

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31 participants
224 discussions

[ANN] DoItFirst command line goodie on SqueakSource
by David T. Lewis 12 Dec '20

12 Dec '20

A few cups of coffee this morning led to some enhancements to my DoItFirst utility, so I decided to put in on SqueakSource. http://www.squeaksource.com/DoItFirst It works more or less like this: $ squeak squeak.image -- -help DoItFirst image arguments: -doit argumentlist "evaluate each argument as a doIt expression" -evaluate arg "evaluate arg, print result then exit" -filein filelist "file in each file named in fileList" -cwd path "set FileDirectory defaultDirectory to path prior to evaluating other options" -help "print this message" Dave

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Re: [squeak-dev] [ANN] DoItFirst command line goodie on SqueakSource
by stes＠PANDORA.BE 10 Dec '20

10 Dec '20

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Nice utility. It provides a workaround or solution to Transcript redirectToStdOut not working (or not working robustly). $ cat headless-hello.sq TranscriptStream redirectToStdOut. Transcript show:'hello world'. Smalltalk quitPrimitive $ squeak -headless squeak.image headless-hello.sq For some reason the above prints no output in squeak-4. I believe that I tested it on older Squeak versions (version 3?) and there, redirectToStdout worked. Or perhaps in some versions I notice that it sometimes seems to print on stdout and sometimes not. But anyway the DoItFirst package and its -evaluate on the other hand, uses "Filestream stdout" and seems to work better; it depends on the asString message (it sends asString to the argument that is being evaluated). $ squeak -headless squeak.image -- -evaluate "#'hello world'" hello world $ squeak -headless squeak.image -- -evaluate "Smalltalk imageFormatVersion" 6504 In any case this provides a mechanism for batch oriented processing. Thanks, David Stes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJfw8EKAAoJEAwpOKXMq1MaPPMH/Av2+4xVDKutBXZBlfvUbx1c o6Z9OuVhvtnMdIPU19fIy0o4347V0AqKNrxFJz1MQaF05ZBu7a9hXf3+qsF6pkTY xfNRRd8sIYajGrad9bjPjPotMFJKn+pYFdg7Tp/IKc4yXv9x+kzPJRCRqtlM94qH m91zcW1vK6yqNWxeS0FBvpSXpNgxTP0aOw4myzb0VzXB/Tge9BS2QOfQi4NIx/0O p8Nqumvo0YJA30Fvvrz163Dng8LeH97yfeh1q1DXp987Ys5Sa5pfboy2CWjiWqsS T9thHiZa0wt2KZoB8m2WUdT2wXKv+uYRmYvx6Wh4d5vfST1Ql774pE+0uRGXBdE= =quQK -----END PGP SIGNATURE-----

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New Squeak version
by CalmoSoft 30 Nov '20

30 Nov '20

Hello All, When will be the next Squeak version? There is no one for two weeks. Have a nice time and work. Greetings, Gal zsolt (~ CAlmoSoft ~) ----- calmosoft(a)gmail.com -- Sent from: http://forum.world.st/Squeak-Dev-f45488.html

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GoferRepositoryError: can''t find EOCD position
by stes＠PANDORA.BE 29 Nov '20

29 Nov '20

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hi, As an experiment I'm trying to load Metacello/Seaside in Squeak 4.6. (using the VM squeak 4.19.2) (image is 4.6 update #15117) I'm following the instructions from https://github.com/Metacello/metacello#squeak-older-than-squeak52 After Loaded -> Metacello-FileTree-dkh.29 --- http://seaside.gemtalksystems.com/ss/metacello --- cache Loaded -> Metacello-GitHub-dkh.29 --- http://smalltalkhub.com/mc/dkh/metacello/main --- cache Evaluated -> 1.0-beta.32.3 [ConfigurationOfMetacello] >> metacelloPrimeRegistry ...finished 1.0-beta.32.3 I'm trying to evaluate the piece of code: "Load the Preview version of Metacello from GitHub" (Smalltalk at: #Metacello) new configuration: 'MetacelloPreview'; version: #stable; repository: 'github://Metacello/metacello:configuration'; load. Unfortunately I get the following error: Could not resolve: ConfigurationOfMetacelloPreview [ConfigurationOfMetacelloPreview] in ../squeak/package-cache github://Metacello/metacello:configuration ERROR: 'GoferRepositoryError: can''t find EOCD position' Any idea please what this "can't find EOCD position' is about ? Perhaps this is Squeak 4.6 specific, as in Squeak 6.0alpha it seems to work, with the image I get stuff like Fetched -> Metacello-Core-EstebanLorenzano.833 --- github://Metacello/metacello:master/repository --- github://Metacello/metacello:master/repository and I'm under the impression that the Squeak 6 step of Installer ensureRecentMetacello. is succesful for me in Squeak 6.0 alpha latest update: #20077 However from the docs at https://github.com/Metacello/metacello#squeak-older-than-squeak52 I'm under the impression that it is supposed to work with Squeak < 5.2 (such as Squeak 4.6) Thanks! David Stes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJfvoDrAAoJEAwpOKXMq1Ma3YYIAK2Pq83iMkVZGd1koVNEs8zm 2BXq11qpdameSQHCzchwcv6+9LNctIXPRFcwD0VY/K4aYE/+Or+5RsCM8KKpcbgp C7gQ3b16qxhqaGKSBO9BkD86NDsF8tp3xLDdr1Zjziz2mHcNQSPMSTZei76cEKn0 /M/vZKwhFlOQ2g3nlKEPLkVOBwFkchh6Z0JWJrz3n9Lt6g3wnjpVX4s/3MwFZ0xH 6opsWqSmVT3lZBpc/o7tb0v4Frk5wcULNzBH4Tc3irwFcyWl0HEo6ITQM6YoGfJD tlm4it5rlQAsDKCG3PklrM1ZqCuo4MztSEJrPWMQuNpHhhbGMgLqH7ZH/P9QOzU= =ZGyt -----END PGP SIGNATURE-----

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is http://seaside.gemstone.com/ss down ?
by stes＠PANDORA.BE 29 Nov '20

29 Nov '20

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hi, As an experiment I'm trying to load Metacello/Seaside in Squeak 4.6. (using the VM squeak 4.19.2) The first problem is that when following the instructions from https://github.com/Metacello/metacello#squeak-older-than-squeak52 I get a connection timeout, perhaps the URL has changed ? In Squeak 4.6 update: #15117 the following message Installer-Core:Installer -> class methods -> repositories is implemented as: gemsource ^ self monticello http: 'http://seaside.gemstone.com/ss' When I try it with Squeak 6.0alpha latest update: #20077 it uses the URL http://seaside.gemtalksystems.com/ss/metacello So when I change in 4.6 the gemsource method to: Installer-Core:Installer -> class methods -> repositories gemsource ^ self monticello http: 'http://seaside.gemtalksystems.com/ss' it seems to give better results. In fact with that URL (I have no idea whether it is correct) I get lots of messages ending with: Loaded -> Metacello-FileTree-dkh.29 --- http://seaside.gemtalksystems.com/ss/metacello --- cache Loaded -> Metacello-GitHub-dkh.29 --- http://smalltalkhub.com/mc/dkh/metacello/main --- cache Evaluated -> 1.0-beta.32.3 [ConfigurationOfMetacello] >> metacelloPrimeRegistry ...finished 1.0-beta.32.3 If I try it in a web browser (not in Squeak), then the URL http://seaside.gemstone.com/ss also seems to hang, so this is perhaps just the wrong URL or some redirection not working anymore. David Stes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJfvneKAAoJEAwpOKXMq1Ma8BAH/0AhBa96kv38W5nN6Scs7UwH ltHr++D2Mr70c/BpsjMjzx0QfUSDotHwFMZLZOF2D9gv3xKsjcV62aWUHDlhWq0z yItN5otEbqvNCAvznxwu6RBFYyGEHLev1WuK1wqXXNJX9VCBq+dnh+TGp9nIeBQY W71G7qIlCUaY4lZ2C/FZUaBWCKhQxH4vK+UK3WvxPdDCZv33nJL87ull/GSc+CKm DFGxlT8D3nrLGHt3FyR79lOML7uW9SSmrFxD5KnapYI2c3bERGlHNB3+I7nRBx1P Jff0KgmiL7YiBud0G/cgiaD/PP06cskPJtFRc3397Vv2uG7+X/R9uVGrfwbSPro= =ahUy -----END PGP SIGNATURE-----

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UK Smalltalk User Group Meeting - Wednesday, November 25th
by Giovanni Corriga 25 Nov '20

25 Nov '20

The next meeting of the UK Smalltalk User Group will be on Wednesday, November 25th. Stephen Travis Pope will present Siren9 and CSL6 - Frameworks and Applications for Sound/Music Creation and Processing. The Siren system ( https://github.com/stpope/Siren9 ) is a general-purpose software framework for music and sound composition, processing, performance, and analysis; it is a collection of about 350 classes written in Smalltalk-80 (40 kLOC or so). The current version of Siren (9.0) works on VisualWorks Smalltalk and supports streaming I/O via OpenSoundControl (OSC), MIDI, and multi-channel audio ports. The CREATE Signal Library (CSL)( https://github.com/stpope/CSL6 ) is a cross-platform C++ framework for digital audio signal synthesis, analysis, spatialization and interactive sound/music application development. CSL was developed at the University of California, Santa Barbara (UCSB) starting in the late 1990s. This presentation will introduce both package and demonstrate their use together to construct real-time compositional and music synthesis software. Stephen Travis Pope ( http://heaveneverywhere.com/stp ) is an award-winning composer, film-maker, computer scientist and social activist based in Santa Barbara, California. He is currently active as a software development contractor and intellectual property expert through FASTLab. His music and video compositions are released through HeavenEverywhere Media. Stephen has used the Smalltalk programming system since 1984 and made several significant contributions to it, though he remains frustrated by programming environments in general. Given the current COVID-19 restrictions, this will be an online meeting from home. If you'd like to join us, please sign up in advance on the meeting's Meetup page ( https://www.meetup.com/UKSTUG/events/cbklbrybcpbhc/ ) to receive the meeting details. Don’t forget to bring your laptop and drinks!

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I'd like to contribute to the JSON project
by Thiede, Christoph 23 Nov '20

23 Nov '20

Hi all, I'd like to contribute to the JSON project, but apparently I lack the required access rights. Would it be possible to review this patch, which adds UTF-16 support for JSON strings, with the final goal to introduce it into the repository? :-) Best, Christoph

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[CRON] Passed: squeak-smalltalk/squeak-app#1901 (squeak-trunk - 25ebaf1)
by Travis CI 23 Nov '20

23 Nov '20

Build Update for squeak-smalltalk/squeak-app ------------------------------------- Build: #1901 Status: Passed Duration: 15 mins and 11 secs Commit: 25ebaf1 (squeak-trunk) Author: Marcel Taeumel Message: Hi all! The project "squeak-app" is part of the continuous build infrastructure (short: CI) for Squeak's bundles, which you can download at https://files.squeak.org/, followed by the version tag you are looking for. All bundles are updated on a regular basis, which is daily for Trunk (i.e. the current alpha version) and monthly for release versions. Note that there won't be new bundles if Squeak's build number, which reflects in-image code updates, did not change between CI jobs. -- The Squeak Oversight Board [ci skip] View the changeset: https://github.com/squeak-smalltalk/squeak-app/compare/fb55517f583fe544f922… View the full build log and details: https://travis-ci.org/github/squeak-smalltalk/squeak-app/builds/745434939?u… -- You can unsubscribe from build emails from the squeak-smalltalk/squeak-app repository going to https://travis-ci.org/account/preferences/unsubscribe?repository=8901856&ut…. Or unsubscribe from *all* email updating your settings at https://travis-ci.org/account/preferences/unsubscribe?utm_medium=notificati…. Or configure specific recipients for build notifications in your .travis.yml file. See https://docs.travis-ci.com/user/notifications.

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Today: ECOOP Squeak Tutorial
by Tom Beckmann 23 Nov '20

23 Nov '20

Hi everyone, you might want to take a look at the ECOOP Squeak Tutorial happening today: https://2020.ecoop.org/details/ecoop-2020-tutorials/2/SqueakLive Best, Tom

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The Inbox: Morphic-ct.1715.mcz
by commits＠source.squeak.org 23 Nov '20

23 Nov '20

Christoph Thiede uploaded a new version of Morphic to project The Inbox: http://source.squeak.org/inbox/Morphic-ct.1715.mcz ==================== Summary ==================== Name: Morphic-ct.1715 Author: ct Time: 17 November 2020, 8:25:42.546431 pm UUID: 4a1a9a9f-9ae1-0640-9f18-17e3c956fa0c Ancestors: Morphic-mt.1713 Re-enables handling of #launchDrop events when the VM is configured as a singleton and has been invoked again, though currently only handled with a rudimentary fallback implementation. See http://forum.world.st/Changeset-Enhanced-integration-of-drag-n-drop-from-ho…. Thanks to Jakob (jr) for the feedback! =============== Diff against Morphic-mt.1713 =============== Item was changed: ----- Method: HandMorph>>generateDropFilesEvent: (in category 'private events') ----- generateDropFilesEvent: evtBuf "Generate the appropriate mouse event for the given raw event buffer." | position buttons modifiers stamp numFiles dragType | stamp := evtBuf second. stamp = 0 ifTrue: [stamp := Time eventMillisecondClock]. dragType := evtBuf third. position := evtBuf fourth @ evtBuf fifth. buttons := MouseEvent redButton. "hacked because necessary for correct mouseMoveDragging handling" modifiers := evtBuf sixth. buttons := buttons bitOr: (modifiers bitShift: 3). numFiles := evtBuf seventh. dragType caseOf: { [1] -> [ "dragEnter" externalDropMorph := TransferMorph new dragTransferType: #filesAndDirectories; source: self; passenger: (numFiles = 0 "Usually, numFiles and drop paths are delivered on dragDrop only. Still reserving this possibility for able host implementations." ifTrue: [self flag: #vmCapabilityMissing. 'Unknown host content' translated] ifFalse: [self collectDropFilesAndDirectories: numFiles]); yourself. "During the drag operation, the host system is responsible for displaying the cursor." self grabMorph: externalDropMorph. self showTemporaryCursor: Cursor blank. externalDropMorph bottomRight: self topLeft. "Southeast area of the cursor is blocked by drawings from the source application. Display our drop morph at the opposite corner of the cursor." ]. [2] -> [ "dragMove" ^ MouseMoveEvent new setType: #mouseMove startPoint: self position endPoint: position trail: "{self position. position}"(self mouseDragTrailFrom: evtBuf) buttons: buttons hand: self stamp: stamp ]. [3] -> [ "dragLeave" externalDropMorph ifNotNil: #abandon. externalDropMorph := nil. self showTemporaryCursor: nil ]. [4] -> [ "dragDrop" + | oldButtons event | + oldButtons := lastEventBuffer fifth + bitOr: (lastEventBuffer sixth bitShift: 3). + event := MouseButtonEvent new + setType: #mouseUp + position: position + which: (oldButtons bitXor: buttons) + buttons: buttons + nClicks: 0 + hand: self + stamp: stamp. + - | oldButtons | externalDropMorph ifNil: [ + "dragDrop has been sent without prior dragging. This happens when the VM is configured as singleton application and has been invoked again with a new image file (aka #launchDrop, runAsSingleInstance on Unix, or RunSingleApp on Windows)." + self flag: #forLater. "ct: When we decouple event generation from Morphic, we will probably need to introduce a separate SystemLaunchEvent class for this event. See http://forum.world.st/Changeset-Enhanced-integration-of-drag-n-drop-from-ho…." + self world + launchSystemFiles: (self collectDropFilesAndDirectories: numFiles) + event: event. + ^ nil]. - "dragDrop has been sent without prior dragging. This happens when the VM is configured as singleton application and has been called again (aka #launchDrop)." - ^ self error: 'Launch drop for singleton Squeak not yet implemented.']. self showTemporaryCursor: nil. externalDropMorph passenger isString ifTrue: [ self flag: #vmCapabilityMissing. "See above." externalDropMorph passenger: (self collectDropFilesAndDirectories: numFiles)]. externalDropMorph := nil. (Smalltalk classNamed: #DropFilesEvent) ifNotNil: [:eventClass | | classicEvent | "Generate classic DropFilesEvent, providing backward compatibility." classicEvent := eventClass new setPosition: position contents: numFiles hand: self. self processEvent: classicEvent. classicEvent wasHandled ifTrue: [^ nil]]. + ^ event ]. - oldButtons := lastEventBuffer fifth - bitOr: (lastEventBuffer sixth bitShift: 3). - ^ MouseButtonEvent new - setType: #mouseUp - position: position - which: (oldButtons bitXor: buttons) - buttons: buttons - nClicks: 0 - hand: self - stamp: stamp ]. [5] -> [ "drag request" "For dnd out. Not properly implemented at the moment." self shouldBeImplemented] }. ^ nil! Item was added: + ----- Method: PasteUpMorph>>launchSystemFiles:event: (in category 'event handling') ----- + launchSystemFiles: fileStreams event: anEvent + "Handle a number of files the singleton VM was invoked with again." + + self flag: #todo. "Do something more useful with the image here, e. g. tell the VM to load it." + ^ self dropFiles: fileStreams event: anEvent!

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