Index: scripts/io/b2cs/io/transform.py
===================================================================
--- scripts/io/b2cs/io/transform.py	(revision 3792)
+++ scripts/io/b2cs/io/transform.py	(working copy)
@@ -16,11 +16,11 @@


 def MatrixAsCS(matrix, func, depth=0, noMove=False):
-  rot=matrix.rotation_part().to_euler().unique()
+  rot=matrix.to_3x3().to_euler()
   if not noMove:
     func(' '*depth +'<move>')
   # Flip Y and Z axis.
-  func(' '*depth +' <v x="%s" z="%s" y="%s" />' % tuple(matrix.translation_part()))
+  func(' '*depth +' <v x="%s" z="%s" y="%s" />' % tuple(matrix.to_translation()))
   if rot[0] or rot[1] or rot[2]:
     func(' '*depth +' <matrix>')
     # Order 'YZX' is important!
Index: scripts/io/b2cs/io/util.py
===================================================================
--- scripts/io/b2cs/io/util.py	(revision 3792)
+++ scripts/io/b2cs/io/util.py	(working copy)
@@ -65,7 +65,7 @@
     else:
       try:
         library = os.path.split(bpy.path.abspath(self.library.filepath))[0] if self.library else None
-        if self.filepath.startswith('//'):
+        if library != None and self.filepath.startswith('//'):
           src = os.path.join(library, self.filepath[2:])
         else:
           src = bpy.path.abspath(self.filepath)
Index: scripts/io/b2cs/io/object.py
===================================================================
--- scripts/io/b2cs/io/object.py	(revision 3792)
+++ scripts/io/b2cs/io/object.py	(working copy)
@@ -161,7 +161,7 @@
   elif self.type == 'LAMP':
     func(' '*depth +'<light name="%s">'%(name))
     # Flip Y and Z axis.
-    func(' '*depth +'  <center x="%f" z="%f" y="%f" />'% tuple(self.relative_matrix.translation_part()))
+    func(' '*depth +'  <center x="%f" z="%f" y="%f" />'% tuple(self.relative_matrix.to_translation()))
     func(' '*depth +'  <color red="%f" green="%f" blue="%f" />'% tuple(self.data.color))
     func(' '*depth +'  <radius brightness="%f">%f</radius>'%(self.data.energy, self.data.distance))
     func(' '*depth +'  <attenuation>linear</attenuation>')