Sneha Mohanty | 2 Sep 14:29 2015
Picon

Re: Sugar-devel Digest, Vol 83, Issue 5

Hi Ishan,

Would love to collaborate with you. Please let me know what and how you are proceeding. Also, at present i am thinking of using Python for the ANN part , and three.js for the image processing part. But like i said, i am at the initial stage of it and would like to know your views on it. 

Regards,
Sneha 

On Wed, Sep 2, 2015 at 5:16 PM, <sugar-devel-request <at> lists.sugarlabs.org> wrote:
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Today's Topics:

   1. Re : Image Processing using three.js and ANNs (Ishan Sharma)
   2. Re: [Announcing] sugar and sugar-toolkit-gtk3 v0.106.1 (bug
      fixes release) (Jerry Vonau)
   3. dbus exception (Tony Anderson)
   4. Re: dbus exception (Gonzalo Odiard)
   5. Re: Bug 1240354 - SoaS live x86_64 20150706 does not login
      from live system user (Jerry Vonau)
   6. Re: dbus exception (Tony Anderson)


----------------------------------------------------------------------

Message: 1
Date: Wed, 2 Sep 2015 09:47:11 +0530
From: Ishan Sharma <ishan28mkip <at> gmail.com>
To: sugar-devel <at> lists.sugarlabs.org
Subject: [Sugar-devel] Re : Image Processing using three.js and ANNs
Message-ID:
        <CAP0iWrDX04ovSd3UGA=NK8B-EwP6axh3=UUGZNFhq5=4CMF+Ww <at> mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi Sneha,

Could you elaborate on how three.js is used along with image recognition.

I am working on the 3D version of turtle blocks
https://github.com/ishan28mkip/turtle3D. I will be adding many more 3D
features over the month. Maybe we can integrate?

Regards,
Ishan
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Message: 2
Date: Wed, 2 Sep 2015 00:08:23 -0500 (CDT)
From: Jerry Vonau <me <at> jvonau.ca>
To: James Cameron <quozl <at> laptop.org>
Cc: Martin Abente <martin.abente.lahaye <at> gmail.com>,     Sugar-dev Devel
        <sugar-devel <at> lists.sugarlabs.org>,      German Ruiz - FundacionZT
        <gruiz <at> fundacionzt.org>
Subject: Re: [Sugar-devel] [Announcing] sugar and sugar-toolkit-gtk3
        v0.106.1 (bug fixes release)
Message-ID:
        <2076705078.47266.1441170503789.JavaMail.open-xchange <at> bosoxweb04.eigbox.net>

Content-Type: text/plain; charset=UTF-8



> On September 1, 2015 at 9:31 PM James Cameron <quozl <at> laptop.org> wrote:
>
>
> On Tue, Sep 01, 2015 at 06:35:43AM -0500, Jerry Vonau wrote:
> > Why make the end users deal with broken repos. The issue could be
> > avoided at the olpc-os-builder level by changing the repo
> > definitions away from using mirrorlist to url, ...
>
> Great idea.  Spent some time looking into it, changing code and doing
> builds, but it does not seem to be easy;
>
> 1.  changing FEDORA_URLS in modules/repos/ksmain.50.repos.py is
> ineffective,
>
> 2.  adding url_fedora or url_fedora_updates to [repos] in
> examples/olpc-os-13.2.5-xo1.5.ini is ineffective,
>
> My guess is that using sed on the /etc/yum.repos.d files after image
> build will be the solution.  What do you think?
>
> git diff ...
> http://dev.laptop.org/~quozl/z/1ZWxmI.txt
>

Maybe just an overall approach of having url_fedora*= directly used if set
in the ini file, could be used by a deployment to set a local mirror to use
in the field.

Jerry


------------------------------

Message: 3
Date: Wed, 02 Sep 2015 10:27:01 +0200
From: Tony Anderson <tony_anderson <at> usa.net>
To: Sugar-dev Devel <sugar-devel <at> lists.sugarlabs.org>,  Gonzalo Odiard
        <godiard <at> sugarlabs.org>
Subject: [Sugar-devel] dbus exception
Message-ID: <55E6B2D5.50607 <at> usa.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Another problem. The Quiz activity crashes in various ways. On some
occasions, it completes normally.
The log shows no error messages. However, it reports in some cases
terminated with  signal 6 or signal 11.

Using try, I was able to narrow it down to a datastore.get. The
exception is 'dbus.exceptions.DBusException'>,
DBusException('Did not receive a reply, ...).

I assume the lack of error messages relates to the same
problem, the error occurs in a different process.

I have also seen an isolated (preceded and followed by unrelated
messages from the activity) message in the log:

Fatal Python error: (pygame parachute) Segmentation fault

In this case, the log reported a signal 6.

Tony


------------------------------

Message: 4
Date: Wed, 2 Sep 2015 07:26:43 -0300
From: Gonzalo Odiard <godiard <at> sugarlabs.org>
To: Tony Anderson <tony_anderson <at> usa.net>
Cc: Sugar-dev Devel <sugar-devel <at> lists.sugarlabs.org>
Subject: Re: [Sugar-devel] dbus exception
Message-ID:
        <CAJ+iPVR9JmYxxeripgw+4jponW=TDnU-q8GKn46_VJpWXw9Hjg <at> mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi Tony,
Could you attach log files and link to the activity version you are using?
The information provided is not enough to guess what is happening
"DBusException('Did not receive a reply, ...)." means the datastore is not
replying,
(or is taking a too log time) but why that is happening is not clear.

Gonzalo

On Wed, Sep 2, 2015 at 5:27 AM, Tony Anderson <tony_anderson <at> usa.net> wrote:

> Another problem. The Quiz activity crashes in various ways. On some
> occasions, it completes normally.
> The log shows no error messages. However, it reports in some cases
> terminated with  signal 6 or signal 11.
>
> Using try, I was able to narrow it down to a datastore.get. The exception
> is 'dbus.exceptions.DBusException'>,
> DBusException('Did not receive a reply, ...).
>
> I assume the lack of error messages relates to the same
> problem, the error occurs in a different process.
>
> I have also seen an isolated (preceded and followed by unrelated messages
> from the activity) message in the log:
>
> Fatal Python error: (pygame parachute) Segmentation fault
>
> In this case, the log reported a signal 6.
>
> Tony
> _______________________________________________
> Sugar-devel mailing list
> Sugar-devel <at> lists.sugarlabs.org
> http://lists.sugarlabs.org/listinfo/sugar-devel
>



--
Gonzalo Odiard

SugarLabs - Software [for | by] children learning
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Message: 5
Date: Wed, 2 Sep 2015 05:59:06 -0500 (CDT)
From: Jerry Vonau <me <at> jvonau.ca>
To: James Cameron <quozl <at> laptop.org>, sugar-devel <at> lists.sugarlabs.org
Subject: Re: [Sugar-devel] Bug 1240354 - SoaS live x86_64 20150706
        does not login from live system user
Message-ID:
        <560760579.63939.1441191546306.JavaMail.open-xchange <at> bosoxweb04.eigbox.net>

Content-Type: text/plain; charset=UTF-8



> On September 1, 2015 at 9:16 PM James Cameron <quozl <at> laptop.org> wrote:
>
>
> On Tue, Sep 01, 2015 at 09:03:28PM -0500, Jerry Vonau wrote:
> > That leads me to think if sugar is building against a library that
> > is only available in sugar's toolkit should the toolkit be declared
> > as a BuildRequires and be pulled into the BuildRoot for sugar?
>
> Possibly because nothing in the build of package "sugar" uses the
> library.
>
> I've looked through the Makefile.am files in "sugar" and none of them
> do linking, and the ones that execute Python code don't need that
> library.
>

Ok got it, ldconfig keeps it all straight, so it's contained to the call in
the toolkit, bringing the login manager back in a loop, so I see when
booting the F23 iso in a vm.

The only change I see from F22 with 104 to F23 with 106 around SugarExt is
the commit to "Add capture device support" in the toolkit.


------------------------------

Message: 6
Date: Wed, 02 Sep 2015 13:45:55 +0200
From: Tony Anderson <tony_anderson <at> usa.net>
To: Gonzalo Odiard <godiard <at> sugarlabs.org>
Cc: Sugar-dev Devel <sugar-devel <at> lists.sugarlabs.org>
Subject: Re: [Sugar-devel] dbus exception
Message-ID: <55E6E173.6090700 <at> usa.net>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Hi, Gonzalo

Sadly, the log shows nothing. I get the exception on a
     try:
         datastore.get(obj) (where obj = olpcgames.ACTIVITY.game_handle)

where the activity uses the standard olpcgames activity.py,

the activity.py in olpcgames has:

def __init__(self, handle):

if handle.object_Id:
     self.game_handle = handle.object_id

along with some magic code (def make_global)  to make olpcgames.ACTIVITY
refer to 'self'.

The activity is derived from the one in ASLO, but I added the ability to
start a quiz by resume from the Journal so this datastore usage is not
in that
version. However, this code worked in 13.2.2.

Tony

On 09/02/2015 12:26 PM, Gonzalo Odiard wrote:
> Hi Tony,
> Could you attach log files and link to the activity version you are using?
> The information provided is not enough to guess what is happening
> "DBusException('Did not receive a reply, ...)." means the datastore is
> not replying,
> (or is taking a too log time) but why that is happening is not clear.
>
> Gonzalo
>
> On Wed, Sep 2, 2015 at 5:27 AM, Tony Anderson <tony_anderson <at> usa.net
> <mailto:tony_anderson <at> usa.net>> wrote:
>
>     Another problem. The Quiz activity crashes in various ways. On
>     some occasions, it completes normally.
>     The log shows no error messages. However, it reports in some cases
>     terminated with  signal 6 or signal 11.
>
>     Using try, I was able to narrow it down to a datastore.get. The
>     exception is 'dbus.exceptions.DBusException'>,
>     DBusException('Did not receive a reply, ...).
>
>     I assume the lack of error messages relates to the same
>     problem, the error occurs in a different process.
>
>     I have also seen an isolated (preceded and followed by unrelated
>     messages from the activity) message in the log:
>
>     Fatal Python error: (pygame parachute) Segmentation fault
>
>     In this case, the log reported a signal 6.
>
>     Tony
>     _______________________________________________
>     Sugar-devel mailing list
>     Sugar-devel <at> lists.sugarlabs.org
>     <mailto:Sugar-devel <at> lists.sugarlabs.org>
>     http://lists.sugarlabs.org/listinfo/sugar-devel
>
>
>
>
> --
> Gonzalo Odiard
>
> SugarLabs - Software [for | by] children learning

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******************************************



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Tony Anderson | 2 Sep 10:27 2015
Picon
Picon

dbus exception

Another problem. The Quiz activity crashes in various ways. On some 
occasions, it completes normally.
The log shows no error messages. However, it reports in some cases 
terminated with  signal 6 or signal 11.

Using try, I was able to narrow it down to a datastore.get. The 
exception is 'dbus.exceptions.DBusException'>,
DBusException('Did not receive a reply, ...).

I assume the lack of error messages relates to the same
problem, the error occurs in a different process.

I have also seen an isolated (preceded and followed by unrelated 
messages from the activity) message in the log:

Fatal Python error: (pygame parachute) Segmentation fault

In this case, the log reported a signal 6.

Tony
Ishan Sharma | 2 Sep 06:17 2015
Picon

Re : Image Processing using three.js and ANNs

Hi Sneha,

Could you elaborate on how three.js is used along with image recognition.

I am working on the 3D version of turtle blocks https://github.com/ishan28mkip/turtle3D. I will be adding many more 3D features over the month. Maybe we can integrate?

Regards,
Ishan

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Sneha Mohanty | 2 Sep 04:30 2015
Picon

Image Processing using three.js and ANNs

I am planning to do my final year Undergraduate project on the topic "Image Processing using three.js and ANNs" .

Is there a way that someone can suggest , where the above topic can be implemented usefully in the sugar environment ?

Please do let me know.

Regards,
Sneha 
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Thomas Gilliard | 1 Sep 14:44 2015
Picon

Bug 1240354 - SoaS live x86_64 20150706 does not login from live system user

Urgent Request:

SoaS in fedora 23 still is unusable.[1] [2]
also dnf install <at> sugar-desktop fails to start as a second desktop.

This has to be fixed or Soas will not be available in fedora 23 when it is released.

Please help;

Tom Gilliard
satellit

Bug 1240354 - SoaS live x86_64 20150706 does not login from live system user

https://bugzilla.redhat.com/show_bug.cgi?id=1240354

SoaS is not install-able and does not work as a live USB.
https://bugzilla.redhat.com/show_bug.cgi?id=1240354#c5 Proposed as a Freeze Exception for 23-final by Fedora user satellit using the blocker tracking app because: non-blocking desktop [2] Today on devel <at> lists.fedoraproject.org
Hi! This is a reminder, that Fedora 23 "Change Checkpoint: 100% Code Complete Deadline" is coming in a week. It's important milestone as contingency plan may be put into effect for Changes that miss this deadline. As always, the list will be shared with FESCo. 2015-Sep-08 Change Checkpoint: 100% Code Complete Deadline 2015-Sep-08 Fedora 23 Beta Freeze ...snip...
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Sugar Labs Activities | 31 Aug 18:15 2015

[ASLO] Release Record-102

Activity Homepage:
http://activities.sugarlabs.org/addon/4081

Sugar Platform:
0.92 - 0.104

Download Now:
http://activities.sugarlabs.org/downloads/file/29143/record-102.xo

Release notes:
Extend hardware detection (James Cameron)
Set Analog Mic Boost control on XO-{1.75,4} (James Cameron)

Sugar Labs Activities
http://activities.sugarlabs.org
Lionel Laské | 30 Aug 09:44 2015

Spell checker, Grammar checker for Write

Hi all,

An OLPC France teacher working on our small XO-4 deployment asked me if it's possible to enhance Write activity with a spell checker, grammar checker or a dictionary (all in French).

I reminded me that Write activity is based on AbiWord and it seems that AbiWord allow some sort of plug-ins.

Do you know if it's possible to enhance Write with AbiWord plugins ?
Is there someone that experience this sort of thing ?

Tell me.

Best regards from France.

           Lionel.
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Tony Anderson | 29 Aug 12:12 2015
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Picon

Sugar-install-bundle in 13.2.5 is slooow

I use sugar-install-bundle to update the configuration of Sugar 
activities when preparing laptops at deployments. With 13.2.5, this 
script is taking 3-4 times as long
as with previous releases.

I can only speculate on the difference in times since I have 13.2.5 on 
all the available XOs and apparently can't flash back.

Specifically,

Browse (some custom modifications)  Test 1: 23 minutes 34 seconds Test 
2: 5 minutes 21 seconds
Jukebox (v26 - need gstream 0.1) Test 1: 19 minutes 26 seconds Test 2: 7 
minutes 39 seconds
Quiz  Test 1 6 minutes 52 seconds Test 2 3 minutes 18 seconds

My recollection is that the install on 13.2.1 took less than 10 minutes 
overall (including a number of other installs such as codecs, flash, 
libre office, gcompris ) with
installation of these three activities taking from 2-3 minutes total.

Tony
Sugar Labs Activities | 29 Aug 00:04 2015

[ASLO] Release Flappy Birds-1

Activity Homepage:
http://activities.sugarlabs.org/addon/4774

Sugar Platform:
0.82 - 0.104

Download Now:
http://activities.sugarlabs.org/downloads/file/29142/flappy_birds-1.xo

Release notes:
An arcade game for sugar.

Sugar Labs Activities
http://activities.sugarlabs.org
Lionel Laské | 27 Aug 17:52 2015

Re: Speech synthesizer in sugar web (Yader Vel?squez)


Seen lately this conversation. Just to add my 2 cents: TurtleJS [1] use the meSpeak.js [2] library to implement "Speak" block (see in Media palette).

The interesting thing regarding this library is that it dynamically generate WAV audio so it don't need an Internet connection instead of other speech to text library.

Don't know if it works on the XO.

Hope it could help.

         Lionel.

[2] http://www.masswerk.at/mespeak/


Date: Fri, 14 Aug 2015 19:44:46 -0600
From: Yader Vel?squez <yajosev <at> gmail.com>
To: James Cameron <quozl <at> laptop.org>
Cc: sugar-devel <at> lists.sugarlabs.org
Subject: Re: [Sugar-devel] Speech synthesizer in sugar web
Message-ID:
        <CA+pQJ9Z9Q9GgHiwhNyFTyrVywUz1spm1xTG4mZ+suLD0X1VLbQ <at> mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi James,

Yes, I know it's a browser feature, I'm following the official doc to
create
web activities[1] but neither the browser activity neither the activity
that I'm
developing have that feature :(

I did "window.navigator" in my activity console and this is what I got:
appCodeName: "Mozilla"
appName: "Netscape"
appVersion: "5.0 (Macintosh, Intel Mac OS X ) AppleWebKit/538.1 (KHTML,
like Gecko) Safari/538.1"


I need synthesize spanish text in the current browser engine that sugar
uses to run web activities.

Regards.


It is a feature of the browser.  What browser are you using?
>
> In what way does it not work?
>
> Does the feature detection test pass?
>
> if ('speechSynthesis' in window) {
>  // Synthesis support. Make your web apps talk!
> }
>
> If you use the browser to visit html5test.com does the "Speech
> Synthesis" item have a "Yes ?"?
>

[1] https://developer.sugarlabs.org/activity.md.html



--
Yader.
http://yaderv.wordpress.com
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Message: 4
Date: Sat, 15 Aug 2015 12:30:39 +1000
From: James Cameron <quozl <at> laptop.org>
To: Yader Vel?squez <yajosev <at> gmail.com>
Cc: sugar-devel <at> lists.sugarlabs.org
Subject: Re: [Sugar-devel] Speech synthesizer in sugar web
Message-ID: <20150815023039.GB29172 <at> us.netrek.org>
Content-Type: text/plain; charset=us-ascii

Well, I don't know anything about "sugar build", I don't use it or
need it.

But still it would be useful to identify your browser properly, try the
feature detection test, and even use the browser to visit html5test.com.

Your "window.navigator" response tells me nothing useful; I don't know
how to reproduce it.

The instructions [1] for setting up a development environment say you
must run Linux, but you haven't said which Linux you have run.  The
browser is likely to come from there.

1.  https://developer.sugarlabs.org/dev-environment.md.html

--
James Cameron
http://quozl.linux.org.au/


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Martin Abente | 26 Aug 17:50 2015
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[Announcing] sugar and sugar-toolkit-gtk3 v0.106.1 (bug fixes release)

Hello everyone,

It's been almost two months since the release of Sugar 0.106.0, and since then we have been improving things. Many of these improvements are planned for the next major release of Sugar, but there are bug fixes that will certainly be useful for those using Sugar 0.106. Therefore, we have released sugar [1] and sugar-toolkit-gtk3 [2] v0.106.1 which include these bug fixes.

The tarballs can be downloaded from:

I want to take this opportunity to thank our infrastructure team for their hard work to keep things running smoothly in Sugar Labs, so thanks Sam Parkinson, Samuel Cantero, Bernie Innocenti, Sebastian Silva and Roberto Rodriguez Alcala!


Martin.

Refs:
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