'If import of `toppath` was aborted in an earlier session, ask
user if she wants to resume the import.
Determines the return value of `is_resuming(toppath)`.'

def ask_resume(self, toppath):

    if (self.want_resume and has_progress(toppath)):
        if ((self.want_resume is True) or self.should_resume(toppath)):
            log.warning(u'Resuming    interrupted    import    of    {0}', util.displayable_path(toppath))
            self._is_resuming[toppath] = True
        else:
            progress_reset(toppath)
