Add windows togl3 files.

opengl/CyOpenGL.pyx

@@ -106,10 +106,10 @@ class RawOpenGLWidget(Tk_.Widget, Tk_.Misc):
 
         curr_platform = sys.platform
         cpu_width = platform.architecture()[0]
-        if curr_platform[:5] == 'linux2':
+        if curr_platform.startswith('linux2'):
             curr_platform = 'linux'
-        if curr_platform == 'win32':
-            current_platform = 'windows'
+        elif curr_platform == 'win32':
+            curr_platform = 'windows'
         Togl_path = os.path.join(Togl_dir, curr_platform)
         if not os.path.exists(Togl_path):
             raise RuntimeError('Togl directory "%s" missing.' % Togl_path)

python/sage_helper.py

@@ -11,7 +11,7 @@
 try:
     import sage.all
     _within_sage = True
-except ImportError:
+except ModuleNotFoundError :
     _within_sage = False
     import decorator
 

python/togl3/windows/Togl3.0/pkgIndex.tcl

@@ -0,0 +1,5 @@
+if {[package vsatisfies [package provide Tcl] 9.0-]} { 
+package ifneeded Togl 3.0 [list load [file join $dir tcl9Togl30t.dll]] 
+} else { 
+package ifneeded Togl 3.0 [list load [file join $dir Togl30t.dll]] 
+}