util.py 文件源码

def wrap(ob, iid=None, usePolicy=None, useDispatcher=None):
  """Wraps an object in a PyGDispatch gateway.

     Returns a client side PyI{iid} interface.

     Interface and gateway support must exist for the specified IID, as
     the QueryInterface() method is used.

  """
  if usePolicy is None:
    usePolicy = policy.DefaultPolicy
  if useDispatcher == 1: # True will also work here.
    import win32com.server.dispatcher
    useDispatcher = win32com.server.dispatcher.DefaultDebugDispatcher
  if useDispatcher is None or useDispatcher==0:
    ob = usePolicy(ob)
  else:
    ob = useDispatcher(usePolicy, ob)

  # get a PyIDispatch, which interfaces to PyGDispatch
  ob = pythoncom.WrapObject(ob)
  if iid is not None:
    ob = ob.QueryInterface(iid)       # Ask the PyIDispatch if it supports it?
  return ob