Add infrastructure to handle lazy loading. Move keysyms to be loaded

    * gtk/Makefile.am:
    * gtk/__init__.py:
    * gtk/_lazyutils.py:
    * tests/Makefile.am:
    * tests/test_api.py:
    Add infrastructure to handle lazy loading.
    Move keysyms to be loaded lazily.
    Add API tests to make sure keysyms works.

1 files changed, 33 insertions, 0 deletions

diff --git a/gtk/_lazyutils.py b/gtk/_lazyutils.py
new file mode 100644
index 00000000..f43a4df1
--- /dev/null
+++ b/gtk/_lazyutils.py
@@ -0,0 +1,33 @@
+# -*- Mode: Python; py-indent-offset: 4 -*-
+# pygtk - Python bindings for the GTK toolkit.
+# Copyright (C) 2006  Johan Dahlin
+#
+# This library 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 library 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 library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+# USA
+
+# Private to PyGTK, do not use in applications
+
+import sys
+
+class LazyModule(object):
+    def __init__(self, name, locals):
+        self._name = name
+        self._locals = locals
+        self._modname = '%s.%s' % (self._locals.get('__name__'), self._name)
+
+    def __getattr__(self, attr):
+        module = __import__(self._name, self._locals, {}, ' ')
+        sys.modules[self._modname] = module
+        return getattr(module, attr)