Re: simple datastore replacement, take two
On Fri, Sep 26, 2008 at 11:27 PM, NoiseEHC [EMAIL PROTECTED] wrote: The Datastore can then provide two accessor functions: get_by_value(key) and get_by_reference(key). get_by_value() returns the contents of the file as a bytestring in memory. get_by_reference() returns the path to the metadata file, or another path linked (soft or hard) to that file. This provides all the needed functionality for large and small metadata entries. That sounds interesting. I guess that with a POSIX-like API implemented with FUSE we would get equivalent fucntionality? What is the plan on Windows compatibility of Sugar? I mean, is there a version planned which can run on Windows? I ask this because if there is a plan like this then probably you should forget everything FUSE related since it will be impossible to implement that on Windows as I barked about here (there is a lot of inlined text in the message): http://lists.laptop.org/pipermail/devel/2008-April/013330.html http://lists.laptop.org/pipermail/devel/2008-April/013345.html I don't know of any effort (planned or ongoing) to port Sugar to Windows, but if anyone is interested, can make here his/her API proposals and we can try to find a common solution. Regards, Tomeu ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Signed candidate-765 and gg-765-2 builds available for testing.
Michael Stone wrote: I have decided to publish 8.2-765 as a signed Candidate So IIUC you should be promoting candidate-765? I re-enabled security on my XO running 8.2-763 by renaming /security/developer.sig to developer.sig.MOVED Then sudo olpc-update 8.2-765 led to WARNING: You seem to be attempting to download an unsigned development build, but you don't have a developer key. This will probably fail. /usr/sbin/olpc-update prints this warning if there's a - in the build name and the build name doesn't start with candidate. I killed and retried and sudo olpc-update candidate-765 is updating without complaint on my un-security-disabled XO. So I think you could or should change http://wiki.laptop.org/go/Template:Latest_Releases/rc to candidate-765, and update Friend_in_testing to replace 1. Get a developer key for your XO laptop. with Anyone with a mass production XO can upgrade to this candidate release (you don't need a developer key). I have also published gg-765-2, a signed G1G1 candidate composite image, created by Scott. gg-765-2 is similar to what we hope to put into manufacturing next week. This doesn't work using olpc-update, right? sudo olpc-update gg-765-2 gave @ERROR: unknown module 'build-gg-765-2': bad build identifier: gg-765-2. -- =S Page ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: gcompris activities regression
On Sat, Sep 27, 2008 at 12:57 AM, Marco Pesenti Gritti [EMAIL PROTECTED] wrote: Hello, I managed to track it down to this change in joyride 2421: -libxml2.i386 0:2.6.32-3.fc9 +libxml2.i386 0:2.7.1-1.fc9 I cannot say without debugging it further if it's gcompris or libxml2 fault. I added Bruno in cc, which might know better. More info and a trace in the ticket: http://dev.laptop.org/ticket/8641 Unless someone find time to track it down I guess we will have to: 1 Downgrade libxml2 2 Rely on a gcompris fix/workaround. Given Bruno feedback on the ticket I think it's safe to do 2. Thanks for the quick response!!! Marco ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: X2O activity being considered for G1G1
Hi Alex On Sat, Sep 27, 2008 at 01:58, Alex Levenson [EMAIL PROTECTED] wrote: Hello, I've tested / updated x2o for 8.2. I filled out a test case: http://wiki.laptop.org/go/Tests/Activity/x2o but for some reason it doesn't get propagated into http://wiki.laptop.org/go/Test_cases_8.2.0#Activities No idea, taking this on-list. Regards Morgan ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Memory pressure (Re: Signed candidate-765 and gg-765-2 builds available for testing.)
Since everyone major concern is memory pressure especially with Browse, I did some comparison tests with Update.1. The results are somewhat surprising: os711 + g1g1 activity pack Startup: free 127 mb Min Browse: free 91 mb Max Browse: free 61 mb gg-765-2 Startup: free 129 mb Min Browse: free 91 mb Max Browse: free 63 mb Notes: * I have not repeated the tests yet (I intend to do so), so there is the possibility of measurement errors. From my experience so far I'd say +/- 5 mb. * Free memory is measured with free, after having dropped the caches with echo 3 /proc/sys/vm/drop_caches * Min Browse is free memory just after having started browse, no navigation. * Max Browse is the maximum amount of memory I could get Browse to use while navigating randomly inside wikipedia (starting from Moon). Browse memory usage normally grows up quickly when you load the first few pages and then it stabilizes and does not grow anymore. * I tested on clean copy-nand installations of both images, without any reboot. Marco ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: [sugar] Memory pressure (Re: Signed candidate-765 and gg-765-2 builds available for testing.)
Don't forget cpu pressure, I've had freezes which need a forcefull shutdown because of it. One example is installing Scratch from the wiki. When it reaches the point of unzipping, it makes the system slow. If you happen to have some activity also doing something intensive (like a Browse instance rendering a complicated webpage) the UI freezes. Sometimes waiting works, other times it doesn't. Eduardo 2008/9/27 Marco Pesenti Gritti [EMAIL PROTECTED]: Since everyone major concern is memory pressure especially with Browse, I did some comparison tests with Update.1. The results are somewhat surprising: os711 + g1g1 activity pack Startup: free 127 mb Min Browse: free 91 mb Max Browse: free 61 mb gg-765-2 Startup: free 129 mb Min Browse: free 91 mb Max Browse: free 63 mb Notes: * I have not repeated the tests yet (I intend to do so), so there is the possibility of measurement errors. From my experience so far I'd say +/- 5 mb. * Free memory is measured with free, after having dropped the caches with echo 3 /proc/sys/vm/drop_caches * Min Browse is free memory just after having started browse, no navigation. * Max Browse is the maximum amount of memory I could get Browse to use while navigating randomly inside wikipedia (starting from Moon). Browse memory usage normally grows up quickly when you load the first few pages and then it stabilizes and does not grow anymore. * I tested on clean copy-nand installations of both images, without any reboot. Marco ___ Sugar mailing list [EMAIL PROTECTED] http://lists.laptop.org/listinfo/sugar ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Odd occurance when installing 764
After installing 764, in circle mode I had an icon for the calculator activity, but it would not run successfully. Switching to line mode I found the calculator had not been designated as a favorite. When I made it a favorite I had two calculator icons in circle mode of the home page. The second (new one) ran successfully. When I erased the first one I had one calculator icon that ran correctly. A similar experience occurred for me in 757 with a different Application. I don't know why I seem to have all the really strange experiences. Just lucky I guess:-) - -- === mathematician, n.: Some one who believes imaginary things appear right before your _i's. === Aaron Konstam telephone: (210) 656-0355 e-mail: [EMAIL PROTECTED] ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Pycon'09 CFP
Folks, The Pycon'09 calls for proposals and tutorials have just gone up! http://us.pycon.org/2009/conference/proposals/ http://us.pycon.org/2009/tutorials/proposals/ What are we going to propose? Regards, Michael ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Odd occurance when installing 764
On 27 Sep 2008, at 21:30, Aaron Konstam wrote: After installing 764, in circle mode I had an icon for the calculator activity, but it would not run successfully. Switching to line mode I found the calculator had not been designated as a favorite. When I made it a favorite I had two calculator icons in circle mode of the home page. The second (new one) ran successfully. When I erased the first one I had one calculator icon that ran correctly. A similar experience occurred for me in 757 with a different Application. I don't know why I seem to have all the really strange experiences. Just lucky I guess:-) I've not seen this myself after an upgrade, what did you upgrade from? Is it possible you had (some) activities installed in the 'system' place** rather than /home/olpc/Activities? I've seen 2 activity icons for what looks like the same application in that situation. ** /usr/share/sugar/activities/ is the current 'system' place (Journal should now be the only activity there I think). --Gary ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Another pass through some basic Activity test results
On 26 Sep 2008, at 19:31, Arjun Sarwal wrote: Hi, 2008/9/26 Gary C Martin [EMAIL PROTECTED]: Here's a set of basic Activity test results for build 8.2-763, hope the ASCI art doesn't get too mangled by the list server (need to view with a fixed Measure-20 . . - . x x x . x Doesn't sleep when Activity is in the background (eats 75% cpu). Can't seem to record anything. Keep error when -- When Measure is in background and some other Activity comes in foreground, then Measure releases sound device - you can record sound using any other program/application. In this state Measure also doesn't hog CPU. Just testing with Measure-21 and 8.2-765, yes I see this now. However switching to any of the Neighborhood/Group/Home views does not seem count as putting Measure into the background, it still consumes the cpu and claims the sound input device. I'm guessing this is a Sugar behaviour? Is this a bug or a feature (feels like a Sugar bug that would make the UI sluggish for no go reason)? -- For recording the waveforms, within 'Sound' in toolbar, if 'Now' is selected and the record button next to it is pressed, it will capture the current displayed waveform. If you select an interval and then press the record button, it will start saving waveforms at the specified interval and the record button will change to a 'stop' button. It will record a maximum of 10 waveforms. You will be able to see the waveforms as picture files in the Journal Ahhh, thanks Arjun, so that's where they go to. I was expecting some visual representation within Measure, perhaps like Record does, where there is a tray at the bottom of the screen, or Browse and its bookmark thumbnails. Is there a way to capture waveform images without the entire UI also appearing in the screen shot? --For recording sensor values, within the 'Sensors' context , when one presses the record button it will start writing the sensor values (of the sensor connected at Analog Input) at the specified interval. You can have multiple recording sessions,i.e. stop it and then resume it and stop it again and resume it. You can see the logged sensor values in the Journal. They are saved in csv format. (I am waiting for the spreadsheet activity to come soon! :) ) Thanks, I understand this now as well. I had not noticed that new entries were silently being entered in to the Journal. BTW: you can resume the CSV file and Write will display the list of values. I also tried copying the CSV to the clipboard, but it generated a blank clipboard icon and would not paste anywhere (probably a Sugar issue, the clipboard isn't very robust yet). Some quick suggestions: - The Start Recording text could say Start Recording to Journal, that would have pointed me to check in the Journal after clicking record. - The time section menu could say Every 30 seconds, Every 2 minutes etc. Before you explained, I believed that the times were the duration of the sample to be recorded, not the interval between each sample. The little toolbar interval icon makes more sense now that I know what the menu does ;-) Lastly, thanks for the feedback, its really useful. It helped me figure out a minor problem in sensor values recording (#8683) and I released ver21 that corrects that! Glad it was of use! I'm a bit of an electronics type, so I'm really glad Measure is up and working again. --Gary P.S. Any chance of solving the keep error bug every time Measure is closed? I'm not quite sure what causes them. ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: X2O activity being considered for G1G1
On Sat, Sep 27, 2008 at 01:58, Alex Levenson [EMAIL PROTECTED] wrote: I've tested / updated x2o for 8.2. I filled out a test case: http://wiki.laptop.org/go/Tests/Activity/x2o but for some reason it doesn't get propagated into http://wiki.laptop.org/go/Test_cases_8.2.0#Activities It's there now. MediaWiki probably cached the query for activity test cases. To force a query to update, you can edit and save the page, and/or change the action=edit in the URL to action=purge. -- =S ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Etoys supports the DC input
Hello, It's been available for a while, but I'd like to announce that Etoys running on XO supports the DC input. To try it: - Launch Etoys. - Drag out the Object Catalog from the Tresure Box. - Go to Multimedia category in the Object Catalog. - Drag out WorldStethoscope. - Right click on the instantiated WorldStethoscope and click on the light blue eye icon to open its viewer. - Click on basic category header to get a menu, and choose sound to go to sound category. - Press Start in the WS. Some of the numbers in the viewer start changing. Whisle into the microphone. - Press Menu of WS, and choose add a graph May be pick sonogram. - You can open more than one graph on the same data. Press Menu of WS, and choose add a graph May be pick spectrum. You can see sonogram and spectrum graph (and signal if you open it) at the same time. - Connect a sensor to the jack. Press AC button to switch to DC. - The tiles can be used in the Etoys tile scripting, so kids can make stuff with them. etc., etc. The UI needs one more face lift, but it works ok. If you don't have XO, you can still buy the WorldStethoscope hardware (http://www.academianetwork.co.jp/service/) that converts the sensor output to audio and do effectively the same thing on any computer with a sound input. The version in 764 has a little bug so that it leaves the mic LED on even after quitting Etoys (it is fixed in the latest Joyride). But it is usable. -- Yoshiki ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
