def METHOD_NAME(self):
    standards = [self.READMES, self.distribution.script_name]
    for fn in standards:
        if isinstance(fn, tuple):
            alts = fn
            got_it = False
            for fn in alts:
                if self._cs_path_exists(fn):
                    got_it = True
                    self.filelist.append(fn)
                    break
            if not got_it:
                self.warn("standard file not found: should have one of " +
                          ', '.join(alts))
        else:
            if self._cs_path_exists(fn):
                self.filelist.append(fn)
            else:
                self.warn("standard file '%s' not found" % fn)