giscanner: Support srcdir != builddir

__path__ modification trick from Johan Dahlin.

diff --git a/giscanner/__init__.py b/giscanner/__init__.py
index 5614288..5ab7a95 100644 (file)
--- a/giscanner/__init__.py
+++ b/giscanner/__init__.py
@@ -17,3 +17,8 @@
 # Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 # Boston, MA 02111-1307, USA.
 #
+
+import os
+builddir = os.environ.get('UNINSTALLED_INTROSPECTION_BUILDDIR')
+if builddir is not None:
+    __path__.append(os.path.join(builddir, 'giscanner'))