Re: [ANN] lgi 0.2 - Lua to GObject (GNOME) libraries binding

[Emmanuel Oga <emmanueloga@...>]

On Thu, Nov 24, 2011 at 8:27 AM, Pavel Holejsovsky
<pavel.holejsovsky@gmail.com> wrote:
> Hello lua-l readers,
>
> I'm happy to announce that after more than year of development, lgi project
> finally made it to the first public alpha release.
>
> Lgi is binding of GObject-based libraries to Lua using dynamic form of
> GObject Introspection.  This means that you can use GI-enabled GObject
> library from Lua without the need to compile any C code, just having
> appropriate .typelib installed for target library is enough.
>
> * License:
> MIT-X11
>
> * Features:
> - Allows querying and instantiating GObject-based classes, invoke methods,
> functions, read and write properties and connect signals
> - Fully dynamic binding, no additional C code is needed to compile to access
> any GI-enabled library
> - Has syntactic sugar for easy work with GObject primitives - mainly GType,
> GValue and GClosure
> - Contains wrappers for Lua-friendly work with GVariant
>
> * Requirements:
> - Installed and working gobject-introspection library >= 0.10.8 (distributed
> with GNOME3.0, e.g. Fedora15), but some features are available only with
> gobject-introspection >= 1.30 (available with GNOME3.2, e.g. Fedora16).
> - Target library must be compiled with GI support, i.e. has installed
> .typelib file (all Linux distributions I know fulfill this).
> - Tested only with Lua 5.1.4, should work with current LuaJIT (but does not
> use ljffi yet).  Most probably does not work yet with Lua 5.2
>
> * Known problems:
> - 0.2 release triggers bug in gobject-introspection 0.10.8 causing crashes
> when running on 32b architectures.  x86_64 works fine, and fix for gi-0.10.8
> on x86 is already in lgi git master.
> - GVariant support works only when using gobject-introspection>=1.30
>
> * Availability:
> Preferably by luarocks, "luarocks install lgi".
> Full source is available on gitorious:
>
> http://gitorious.org/lgi/lgi
>
> * Documentation:
> - There is documentation in markdown format, written in my terribly broken
> english.  Use your favorite markdown processor to turn it into something
> more fancy :-)
>
> http://gitorious.org/lgi/lgi/blobs/master/docs/overview.md
> http://gitorious.org/lgi/lgi/blobs/master/docs/guide.md
>
> * Simple sample GTK applications using lgi:
> http://gitorious.org/lgi/lgi/blobs/master/samples/gtkhello.lua
> http://gitorious.org/lgi/lgi/blobs/master/samples/gtkpad.lua
>
> Enjoy,
> Pavel
>
>
>

Just a heads up. I'm using archlinux 64 with luarocks. I just had to:


  luarocks install lgi --local

  wget http://gitorious.org/lgi/lgi/blobs/raw/master/samples/gtkpad.lua

  lua -lluarocks.loader gtkpad.lua gtkpad.lua


et voila, a nice and simple working gtk editor :)

Well done!

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