[caribou] Dynamically load keyboard definition files

[Benjamin Konrath <bkonrath src gnome org>]

commit 9bf5db88303a247a8978cf4822bd3c47da80f6f1
Author: Ben Konrath <ben bagu org>
Date:   Wed Dec 16 16:49:24 2009 -0500

    Dynamically load keyboard definition files

 src/caribou/keyboard.py           |   10 ++++++++--
 src/caribou/keyboards/__init__.py |   32 ++++++++++++++++++++++++++++++++
 src/caribou/window.py             |    8 ++++++--
 3 files changed, 46 insertions(+), 4 deletions(-)
---
diff --git a/src/caribou/keyboard.py b/src/caribou/keyboard.py
index 936b6f1..d1aafd5 100644
--- a/src/caribou/keyboard.py
+++ b/src/caribou/keyboard.py
@@ -22,7 +22,6 @@
 
 import gtk
 import virtkey
-from keyboards import qwerty
 
 class CaribouPredicitionArea(gtk.HBox):
     pass
@@ -131,7 +130,14 @@ class CaribouKeyboard(gtk.Frame):
 
 
 if __name__ == "__main__":
-    ckbd = CaribouKeyboard(qwerty)
+    # dynamically import keyboard file
+    import keyboards, sys
+    name = "keyboards." + keyboards.kbds[0]
+    __import__(name)
+    kbddef = sys.modules[name]
+
+    # create test window with keyboard
+    ckbd = CaribouKeyboard(kbddef)
     window = gtk.Window(gtk.WINDOW_POPUP)
     window.add(ckbd)
     window.show_all()
diff --git a/src/caribou/keyboards/__init__.py b/src/caribou/keyboards/__init__.py
index e69de29..7a83f59 100644
--- a/src/caribou/keyboards/__init__.py
+++ b/src/caribou/keyboards/__init__.py
@@ -0,0 +1,32 @@
+#
+# Caribou - text entry and UI navigation application
+#
+# Copyright (C) 2009 Adaptive Technology Resource Centre
+#  * Contributor: Ben Konrath <ben bagu org>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by the
+# Free Software Foundation; either version 2.1 of the License, or (at your
+# option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+import os
+
+# TODO: will need to be changed when build / install logic is sorted out
+files = os.listdir('caribou/keyboards')
+
+kbds = []
+for f in files:
+    if f != "keysyms.py" and f != "__init__.py" and f.endswith('.py'):
+        module = f.rsplit('.', 1)[0]
+        # TODO: verify keyboard before adding it to the list
+        kbds.append(module)
+del os, files, f, module
\ No newline at end of file
diff --git a/src/caribou/window.py b/src/caribou/window.py
index d321034..a3171fd 100644
--- a/src/caribou/window.py
+++ b/src/caribou/window.py
@@ -22,10 +22,11 @@ import gtk
 import gtk.gdk as gdk
 import glib
 import keyboard
-from keyboards import qwerty
+import keyboards
 import gconf
 import animation
 import opacity
+import sys
 
 class CaribouWindow(gtk.Window):
     __gtype_name__ = "CaribouWindow"
@@ -38,7 +39,10 @@ class CaribouWindow(gtk.Window):
         self._vbox = gtk.VBox()
         self.add(self._vbox)
 
-        self._vbox.pack_start(keyboard.CaribouKeyboard(qwerty))
+        name = "caribou.keyboards.qwerty"
+        __import__(name)
+        kbddef = sys.modules[name]
+        self._vbox.pack_start(keyboard.CaribouKeyboard(kbddef))
 
         self.connect("size-allocate", lambda w, a: self._update_position())
         self._gconf_client = gconf.client_get_default()