'Initialize an L{ExplodingFilePath} with a name and a reference to the
@param pathName: The path name as passed to L{filepath.FilePath}.
@type pathName: C{str}
@param originalExploder: The L{ExplodingFilePath} to associate opened
files with.
@type originalExploder: L{ExplodingFilePath}'

def __init__(self, pathName, originalExploder=None):

    filepath.FilePath.__init__(self, pathName)
    if (originalExploder is None):
        originalExploder = self
    self._originalExploder = originalExploder
