Initial subset of .vcproj file generation, covering generation of:...

third_party/scons/scons-local/SCons/Node/FS.py

 """scons.Node.FS
 
 File system nodes.
 
 These Nodes represent the canonical external objects that people think
 of when they think of building software: files and directories.
 
 This holds a "default_fs" variable that should be initialized with an FS
 that can be used by scripts or modules looking for the canonical default.
 
@@ skipping 536 matching lines @@
         self.duplicate = directory.duplicate
 
     def str_for_display(self):
         return '"' + self.__str__() + '"'
 
     def must_be_same(self, klass):
         """
         This node, which already existed, is being looked up as the
         specified klass.  Raise an exception if it isn't.
         """
-        if self.__class__ is klass or klass is Entry:
+        if isinstance(self, klass) or klass is Entry:
             return
         raise TypeError, "Tried to lookup %s '%s' as a %s." %\
               (self.__class__.__name__, self.path, klass.__name__)
 
     def get_dir(self):
         return self.dir
 
     def get_suffix(self):
         return self.suffix
 
@@ skipping 2497 matching lines @@
         try:
             entry.clear_memoized_values()
         except AttributeError:
             # Not a Node object, try to look up Node by filename.  XXX
             # This creates Node objects even for those filenames which
             # do not correspond to an existing Node object.
             node = get_default_fs().Entry(entry)
             if node:
                 node.clear_memoized_values()