util.py 文件源码

def IIDToInterfaceName(iid):
    """Converts an IID to a string interface name.  

    Used primarily for debugging purposes, this allows a cryptic IID to
    be converted to a useful string name.  This will firstly look for interfaces
    known (ie, registered) by pythoncom.  If not known, it will look in the
    registry for a registered interface.

    iid -- An IID object.

    Result -- Always a string - either an interface name, or '<Unregistered interface>'
    """
    try:
        return pythoncom.ServerInterfaces[iid]
    except KeyError:
        try:
            try:
                return win32api.RegQueryValue(win32con.HKEY_CLASSES_ROOT, "Interface\\%s" % iid)
            except win32api.error:
                pass
        except ImportError:
            pass
        return str(iid)