Difference between revisions of "Platform Team/Guide/Sweets Usage"

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This guide describes how to use Sugar Labs' Packaging Management System.
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This guide describes how to use Sugar Labs' Packaging Management System. See also [[Platform_Team/Sweets|introduction page]].
  
 
== Installation ==
 
== Installation ==
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It is possible to search sweets among locally known ones and registered on http://obs.sugarlabs.org (not yet implemented). The search is based on [http://xapian.org/ Xapian] search engine. Thus, it is possible to use Xapian's [http://xapian.org/docs/queryparser.html query language].
 
It is possible to search sweets among locally known ones and registered on http://obs.sugarlabs.org (not yet implemented). The search is based on [http://xapian.org/ Xapian] search engine. Thus, it is possible to use Xapian's [http://xapian.org/docs/queryparser.html query language].
  
Notice that [http://xapian.org/docs/queryparser.html#partially-entered-query-matching partial] search is enabled. So, the query {{Code|tele}} will be treated as {{Code|tele*}} to search all words that start from {{Code|tele}}.
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Notice that [http://xapian.org/docs/queryparser.html#partially-entered-query-matching partial] search is enabled. So, the query {{Code|tele}} will be treated as {{Code|tele*}} to search all wor
 
 
Sweets supports following search [http://xapian.org/docs/queryparser.html#searching-within-a-probabilistic-field prefixes] basing of [[Platform_Team/Recipe_Specification|recipe options]]:
 
 
 
* '''interface''' interface url, e.g., {{Code|http://sweets.sugarlabs.org/sdk/sugar}};
 
* '''sweet''' interface in short Sweets notations, e.g., {{Code|sdk/sugar}};
 
* '''implement''' the list of implemented interfaces;
 
* '''associate''' the list of associated interface;
 
* '''name''' the short name of a sweet;
 
* '''summary''' sweet's summary;
 
* '''description''' long sweet's description;
 
* '''category''' list of category names;
 
* '''license''' list of licenses;
 
* '''type''' sweet's type, might be {{Code|library}}, {{Code|application}} or {{Code|activity}};
 
* '''keep''' if activity, that a sweet is representing, is favorited;
 
* '''tags''' the list of sweet's tags;
 
* '''mime_types''' the list of MIME types activity, that a sweet is representing, supports.
 
 
 
So, it possible to search only among particular sweet attributes, like {{Code|name:telepathy}} to search only among sweet names.
 
 
 
Sweets support additional notation for exact searching in form of {{Code|''prefix''<nowiki>:=</nowiki>''string''}}. For example the query {{Code|name<nowiki>:=</nowiki>sugar}} will find sweets only with exactly {{Code|sugar}} name and omit names like {{Code|sugar-base}}. If search string contains spaces, wrap it to double quotes, {{Code|name<nowiki>:=</nowiki>"Sugar Commander"}}. Note, wildcards does not work in exact search case and asterisks will be treated literally.
 
 
 
== Development workflow with sweets ==
 
 
 
During the first launch, sources will be auto-built and kept in internal storage. To make sweets useful for development, checkout developing project sources in sweets:
 
 
 
sweets checkout [''path-to-sources'']
 
 
 
The only thing that is required from sources is having a [[Platform Team/Recipe Specification|sweets.recipe]] spec file for non-activity projects or {{Code|activity/activity.info}} (that conforms to the same spec) for activities. All sweets for Glucose components are located in the http://git.sugarlabs.org/sdk project.
 
 
 
After being checked out, these sources might be launched using {{Code|<nowiki>http://</nowiki>sweets.sugarlabs.org/''sweet-value-from-sweets.recipe''}} or just mentioning a sweet value:
 
 
 
sweets ''sweet''
 
 
 
For glucose projects, you can find ready-to-use and always-rebased-to-upstream projects in the [http://git.sugarlabs.org/sdk SDK] http://git.sugarlabs.org project. For now, there are two branches: {{Code|master}} for recent trunk, and {{Code|master-0.88}} for 0.88 code based on Dextrose-2 patches.
 
 
 
Checked out projects will be built according to the {{Code|[Build]}} section commands in the {{Code|sweets.recipe}} files. In general, for autotools-based projects, there is no further need for the {{Code|sweets}} command, just run {{Code|make install}} to build current sources and {{Code|make install them}} them to the directory that was specified by {{Code|sweets}} in the configure stage. For glucose projects, there is no need even in calling the {{Code|make}} command (python code will be reused from its original place, see {{Code|binding}} options in [[Platform Team/Recipe Specification|sweets.recipe]] files), just change the code and restart sugar.
 
 
 
=== Run sweets from X session ===
 
 
 
Place sweets invocation into your {{Code|~/.xsession}} file:
 
 
 
PATH=$HOME/.local/bin:$PATH
 
sweets sdk/sugar
 
 
 
and create a {{Code|/usr/share/xsessions/sweets.desktop}} desktop file:
 
 
 
[Desktop Entry]
 
Encoding=UTF-8
 
Name=Sweets
 
GenericName=Sweets
 
Exec=/etc/X11/Xsession
 
Type=Application
 
 
 
== Current limitations ==
 
 
 
* For now, {{Code|sweets}} knowns only about the glucose dependencies to install them from native packages in Debian, Ubuntu, Fedora, Mandriva, openSUSE, and Gentoo.
 
* Activities can't reuse sweets benefits.
 
 
 
== Feedback ==
 
 
 
* [http://bugs.sugarlabs.org/newticket?component=sweets Submit] your bug report.
 
* Ask your question on IRC channels, [irc://irc.freenode.net/sugar #sugar] (not logged) or [irc://irc.freenode.net/sugar-newbies #sugar-newbies] (logged).
 

Revision as of 17:13, 4 September 2011

This guide describes how to use Sugar Labs' Packaging Management System. See also introduction page.

Installation

Required packages

At first, install PackageKit related packages. The following command will install two Polkit authentication agents, one for Gnome session (if you start sugar emulator from Gnome Desktop Environment) and LXPolkit that will be used from Sugar session.

Fedora specific instructions:

sudo yum install gnome-packagekit lxpolkit

Debian and Ubuntu specific instructons (there is no official package for LXPolkit?):

sudo apt-get install packagekit-gnome

Relogin from X session to let Gnome or Sugar start Polkit authentication agent.

Bundle install

wget http://download.sugarlabs.org/sweets/sweets/installer.sh
sh installer.sh

Relogin from X session to take into account new PATH environment variable value.

Sources install

This will be useful for people who prefer using sources.

  • Clone sweets sources and install it (after the first run, you need to relogin to take into account the new PATH value, then just run sweets command):
git clone git://git.sugarlabs.org/sdk/sweets.git
cd sweets
git submodule init
git submodule update
./sweets upgrade

Upgrade

If sweets was installed from a bundle:

sweets upgrade

If sweets is being used from sources, pull new commits from cloned directory:

git pull origin master
git submodule update

Launch sugar

To launch sugar session:

sweets sdk/sugar

or to run from Xephyr:

sweets sdk/sugar:emulator

It is possible to run different glucose versions via sweets (for now, testing 0.92+ and stable 0.88 based on Dextrose-2), e.g.:

sweets sdk/sugar:emulator=0.88

To get the full list of available versions:

sweets show sdk/sugar -v

For launch command, all arguments passed after sweet name are treated as launched sweet's arguments. For example, it is possible to run sugar by bassing -f argument:

sweets sdk/sugar:emulator=0.88 -f

If sweets can't find proper implementation, see the E lines in output of:

sweets show sdk/sugar -vdd

Search

It is possible to search sweets among locally known ones and registered on http://obs.sugarlabs.org (not yet implemented). The search is based on Xapian search engine. Thus, it is possible to use Xapian's query language.

Notice that partial search is enabled. So, the query tele will be treated as tele* to search all wor