Squeak-dev October 2015

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Daily Commit Log
by commits＠source.squeak.org 25 Oct '15

25 Oct '15

Changes to Trunk (http://source.squeak.org/trunk.html) in the last 24 hours: http://lists.squeakfoundation.org/pipermail/packages/2015-October/009074.ht… Name: MonticelloConfigurations-dtl.142 Ancestors: MonticelloConfigurations-dtl.141 On completion, an interactive system update blocks the UI with a notifier. Allow the notifier to be bypassed for scripted updates, and write a message to the transcript in either case. =============================================

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Squeak 4.6: MonticelloConfigurations-dtl.142.mcz
by commits＠source.squeak.org 25 Oct '15

25 Oct '15

David T. Lewis uploaded a new version of MonticelloConfigurations to project Squeak 4.6: http://source.squeak.org/squeak46/MonticelloConfigurations-dtl.142.mcz ==================== Summary ==================== Name: MonticelloConfigurations-dtl.142 Author: dtl Time: 25 October 2015, 6:08:54.084 pm UUID: c87d888b-1820-43f0-bc7b-9c4988d3d263 Ancestors: MonticelloConfigurations-dtl.141 On completion, an interactive system update blocks the UI with a notifier. Allow the notifier to be bypassed for scripted updates, and write a message to the transcript in either case. =============== Diff against MonticelloConfigurations-dtl.141 =============== Item was changed: ----- Method: MCMcmUpdater>>doUpdate (in category 'updating') ----- doUpdate "Update the image by loading all pending updates from the server. If this is + the default updater for the system, update the system version when complete. + Flush all caches. If a previous download failed this is often helpful" + + ^self doUpdate: true + ! - the default updater for the system, update the system version when complete." - | config | - "Flush all caches. If a previous download failed this is often helpful" - MCFileBasedRepository flushAllCaches. - config := self updateFromRepositories: { self repository }. - config ifNil: [^self inform: 'Unable to retrieve updates from remote repository.' translated]. - MCMcmUpdater default == self - ifTrue: [ config setSystemVersion. - self inform: ('Update completed. - Current update number: ' translated, SystemVersion current highestUpdate).] - ifFalse: [self inform: 'Update completed.'] - ! Item was added: + ----- Method: MCMcmUpdater>>doUpdate: (in category 'updating') ----- + doUpdate: interactive + "Update the image by loading all pending updates from the server. If this is + the default updater for the system, update the system version when complete. + If interteractive use a modal notifier, otherwise only update the transcript. + Flush all caches. If a previous download failed this is often helpful" + + | config | + MCFileBasedRepository flushAllCaches. + config := self updateFromRepositories: { self repository }. + config ifNil: [ + interactive ifTrue: [ ^self inform: 'Unable to retrieve updates from remote repository.' translated ]. + Transcript cr; show: '========== Unable to retrieve updates from remote repository. ==========' translated; cr. + ^ self ]. + MCMcmUpdater default == self + ifTrue: [ config setSystemVersion. + interactive ifTrue: [ self inform: ('Update completed. + Current update number: ' translated, SystemVersion current highestUpdate) ]. + Transcript cr; + show: '========== Update completed. Current update number ' translated; + show: SystemVersion current highestUpdate; + show: ' =========='; cr ] + ifFalse: [ + interactive + ifTrue: [ self inform: 'Update completed.' ]. + Transcript cr; show: '========== Update completed. ==========' translated; cr ] + !

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The Trunk: MonticelloConfigurations-dtl.142.mcz
by commits＠source.squeak.org 25 Oct '15

25 Oct '15

David T. Lewis uploaded a new version of MonticelloConfigurations to project The Trunk: http://source.squeak.org/trunk/MonticelloConfigurations-dtl.142.mcz ==================== Summary ==================== Name: MonticelloConfigurations-dtl.142 Author: dtl Time: 25 October 2015, 6:08:54.084 pm UUID: c87d888b-1820-43f0-bc7b-9c4988d3d263 Ancestors: MonticelloConfigurations-dtl.141 On completion, an interactive system update blocks the UI with a notifier. Allow the notifier to be bypassed for scripted updates, and write a message to the transcript in either case. =============== Diff against MonticelloConfigurations-dtl.141 =============== Item was changed: ----- Method: MCMcmUpdater>>doUpdate (in category 'updating') ----- doUpdate "Update the image by loading all pending updates from the server. If this is + the default updater for the system, update the system version when complete. + Flush all caches. If a previous download failed this is often helpful" + + ^self doUpdate: true + ! - the default updater for the system, update the system version when complete." - | config | - "Flush all caches. If a previous download failed this is often helpful" - MCFileBasedRepository flushAllCaches. - config := self updateFromRepositories: { self repository }. - config ifNil: [^self inform: 'Unable to retrieve updates from remote repository.' translated]. - MCMcmUpdater default == self - ifTrue: [ config setSystemVersion. - self inform: ('Update completed. - Current update number: ' translated, SystemVersion current highestUpdate).] - ifFalse: [self inform: 'Update completed.'] - ! Item was added: + ----- Method: MCMcmUpdater>>doUpdate: (in category 'updating') ----- + doUpdate: interactive + "Update the image by loading all pending updates from the server. If this is + the default updater for the system, update the system version when complete. + If interteractive use a modal notifier, otherwise only update the transcript. + Flush all caches. If a previous download failed this is often helpful" + + | config | + MCFileBasedRepository flushAllCaches. + config := self updateFromRepositories: { self repository }. + config ifNil: [ + interactive ifTrue: [ ^self inform: 'Unable to retrieve updates from remote repository.' translated ]. + Transcript cr; show: '========== Unable to retrieve updates from remote repository. ==========' translated; cr. + ^ self ]. + MCMcmUpdater default == self + ifTrue: [ config setSystemVersion. + interactive ifTrue: [ self inform: ('Update completed. + Current update number: ' translated, SystemVersion current highestUpdate) ]. + Transcript cr; + show: '========== Update completed. Current update number ' translated; + show: SystemVersion current highestUpdate; + show: ' =========='; cr ] + ifFalse: [ + interactive + ifTrue: [ self inform: 'Update completed.' ]. + Transcript cr; show: '========== Update completed. ==========' translated; cr ] + !

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Re: [squeak-dev] Squeak 4.6: Graphics-mt.316.mcz
by Levente Uzonyi 24 Oct '15

24 Oct '15

I don't think it's a good idea to change any code to work around a temporary VM bug. I have seen this error in other cases as well (sockets) and I decided to revert the VM to 3397. I haven't reported the bug yet, because I don't have a reproducible case. The only symptom I saw is that the instance variables get mixed with temporaries (including method arguments). Levente On Tue, 20 Oct 2015, commits(a)source.squeak.org wrote: > Marcel Taeumel uploaded a new version of Graphics to project Squeak 4.6: > http://source.squeak.org/squeak46/Graphics-mt.316.mcz > > ==================== Summary ==================== > > Name: Graphics-mt.316 > Author: mt > Time: 20 October 2015, 11:40:19.755 am > UUID: 41cf59e1-6149-7e4b-9d40-485a1f4798ef > Ancestors: Graphics-mt.313 > > Fixes loading of PNG files for recent (> #3397) v3 CogVMs. > > There seems to be a bug in the VM that, at some point, manifests itself by replacing z, which is the current ZLib stream, with self, which is the PNGReadWriter. Any indirection with a BlockClosure will do. I chose to create an interval and then calling #do: on that interval. Another way would be to wrap the body/argument of #to:do: into another block like this: > > 0 to: height-1 do: [:y | [ ... ] value ]. > > This fix might affect performance a tiny little bit and might be removed as soon as the VM bug gets fixed. > > Note that there might be other places in the code affected by this bug. > > =============== Diff against Graphics-mt.313 =============== > > Item was changed: > ----- Method: PNGReadWriter>>processNonInterlaced (in category 'chunks') ----- > processNonInterlaced > | z filter temp copyMethod debug | > debug := self debugging. > copyMethod := #(copyPixelsGray: nil copyPixelsRGB: copyPixelsIndexed: > copyPixelsGrayAlpha: nil copyPixelsRGBA:) at: colorType+1. > debug ifTrue: [ Transcript cr; nextPutAll: 'NI chunk size='; print: idatChunkStream position ]. > z := ZLibReadStream > on: idatChunkStream originalContents > from: 1 > to: idatChunkStream position. > prevScanline := ByteArray new: bytesPerScanline. > thisScanline := ByteArray new: bytesPerScanline. > + (0 to: height-1) do: [ :y | > - 0 to: height-1 do: [ :y | > filter := z next. > debug ifTrue:[filtersSeen add: filter]. > thisScanline := z next: bytesPerScanline into: thisScanline startingAt: 1. > (debug and: [ thisScanline size < bytesPerScanline ]) ifTrue: [ Transcript nextPutAll: ('wanted {1} but only got {2}' format: { bytesPerScanline. thisScanline size }); cr ]. > filter = 0 ifFalse:[self filterScanline: filter count: bytesPerScanline]. > self perform: copyMethod with: y. > temp := prevScanline. > prevScanline := thisScanline. > thisScanline := temp. > ]. > z atEnd ifFalse:[self error:'Unexpected data']. > debug ifTrue: [Transcript nextPutAll: ' compressed size='; print: z position ]. > ! > > >

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Fwd: FOSDEM 2016 devroom selection
by stephan 22 Oct '15

22 Oct '15

-------- Forwarded Message -------- Subject: FOSDEM 2016 devroom selection Date: Thu, 22 Oct 2015 13:18:25 +0200 From: Johan van Selst <johans(a)fosdem.org> To: devrooms(a)fosdem.org Hi, I'm sorry to inform you that we declined your devroom proposal. To clarify, your request was perfectly valid, but we had to choose. Unfortunately we do not have a sufficient number of rooms at our disposal to cover all requests. This year, we had over 60 requests for a devroom and were only able to accept 37 of those. However, some requests have been combined into a single devroom. Nevertheless, there are other ways to participate in FOSDEM too. You can still: - have a stand at FOSDEM, - hold a 15 minute 'lightning talk' in one of the biggest rooms, - speak in one of the other devrooms (CfP to follow), - hold a session in the community meeting room (new; CfP to follow). The full list of accepted devrooms will be published on the FOSDEM website later this week. On behalf of the FOSDEM devroom team, Johan van Selst

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Re: [squeak-dev] The Trunk: Network-topa.166.mcz
by David T. Lewis 22 Oct '15

22 Oct '15

On Thu, Oct 22, 2015 at 06:28:09AM +0000, commits(a)source.squeak.org wrote: > Tobias Pape uploaded a new version of Network to project The Trunk: > http://source.squeak.org/trunk/Network-topa.166.mcz > > ==================== Summary ==================== > > Name: Network-topa.166 > Author: topa > Time: 21 October 2015, 8:26:14.656 pm > UUID: d6d9910f-fa67-4c69-9a89-030c81233e90 > Ancestors: Network-topa.165 > > UUIDGenerator > - Use new Random>>#nextBytes:into:startingAt: (needs Kernel-ul.960) for even more speed > - Fix UUIDGenerator class>>#initialize to correctly register at startup > - Do not reset default on startup but rather reseed TheRandom > > Timings improved: '1,190,000 per second. 842 nanoseconds per run.' (0.25 times slower than primitive version) > This is outstanding. The UUID plugin has long been a source of problems in the VM, partly due to issues in various Linux distributions. http://bugs.squeak.org/view.php?id=7358 Making the plugin unnecessary is a big improvement. Dave

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source.squeak.org UI needs a bump
by David T. Lewis 22 Oct '15

22 Oct '15

The user interface for our repository seems to be off line (http://source.squeak.org). I am seeing an nginx 502 bad gateway message. I am travelling and cannot help, could someone please check it? Thanks Dave

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[Cryptography port to Pharo] RandomGenerator class>>unpredictableStringsDo:
by Robert Withers 22 Oct '15

22 Oct '15

This is a message intended for anyone who was on the Cryptography team. I recently ported it to Pharo and had to make changes to RandomGenerator class>>unpredictableStringsDo:. This certainly removed some uncertainty from the results of this message. My question is what should I do about that? This method seems to require non-headless, as it is checking the mouse point and such. This being a crypto cornerstone, what the best answer here. Thank you, Robert

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Re: [squeak-dev] The Trunk: System-mt.771.mcz
by Eliot Miranda 22 Oct '15

22 Oct '15

Hi Marcel, > On Oct 17, 2015, at 10:47 AM, commits(a)source.squeak.org wrote: > > Marcel Taeumel uploaded a new version of System to project The Trunk: > http://source.squeak.org/trunk/System-mt.771.mcz > > ==================== Summary ==================== > > Name: System-mt.771 > Author: mt > Time: 17 October 2015, 6:38:55.72 pm > UUID: 4aee8d76-cfcf-ad48-ae3e-6d971ce6fea9 > Ancestors: System-cmm.770 > > Log change stamps at the granularity of seconds not only minutes. > > Why? A minute is quite long and it is likely to have two method (versions) with the same timestamp. I think we should discuss this a bit further. This is all a soft touchy freely gut kind of thing for me: I don't like this change. I think the granularity for time stamps needs to differentiate versions in different package commits. Within an image versions can be distinguished by their order in the changes file (the previous source position, can't remember what that's called and I'm on my phone). So there's no real need for fine granularity. One could also say that a second is a long time if one is auto generating methods. I quite like being able to make several changes within the same minute because I can tell that they were related changes. With second granularity I have no chance. Do you have a programmatic reason for wanting second granularity? What to others think? Are there workflow implications to the granularity of time stamps? This is all very anal but, well, the changes file is all very anal anyway :-) I _,,,^..^,,,_ (phone)

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The Trunk: System-mt.772.mcz
by commits＠source.squeak.org 22 Oct '15

22 Oct '15

Marcel Taeumel uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-mt.772.mcz ==================== Summary ==================== Name: System-mt.772 Author: mt Time: 22 October 2015, 10:54:57.804 am UUID: 46118b7a-46d1-41c1-8b5f-0be4d5aaf89a Ancestors: System-mt.771 Reverts last commit to log change stamps at the granularity of minutes again. See discussion here: http://forum.world.st/The-Trunk-System-mt-771-mcz-td4856201.html =============== Diff against System-mt.771 =============== Item was changed: ----- Method: Utilities class>>changeStamp (in category 'identification') ----- changeStamp "Answer a string to be pasted into source code to mark who changed it and when." ^ self authorInitials , ' ' , Date today mmddyyyy, ' ', + ((String streamContents: [:s | Time now print24: true on: s]) copyFrom: 1 to: 5)! - ((String streamContents: [:s | Time now print24: true on: s]) copyFrom: 1 to: 8)!

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