fypp.py 文件源码

def _process_arguments(self, args, keywords):
        argdict = {}
        nargs = min(len(args), len(self._argnames))
        for iarg in range(nargs):
            argdict[self._argnames[iarg]] = args[iarg]
        if nargs < len(args):
            if self._varargs is None:
                msg = "macro '{0}' called with too many positional arguments "\
                      "(expected: {1}, received: {2})"\
                      .format(self._name, len(self._argnames), len(args))
                raise FyppFatalError(msg, self._fname, self._spans[0])
            else:
                argdict[self._varargs] = tuple(args[nargs:])
        elif self._varargs is not None:
            argdict[self._varargs] = ()
        for argname in self._argnames[:nargs]:
            if argname in keywords:
                msg = "got multiple values for argument '{0}'".format(argname)
                raise FyppFatalError(msg, self._fname, self._spans[0])
        if self._varargs is not None and self._varargs in keywords:
            msg = "got unexpected keyword argument '{0}'".format(self._varargs)
            raise FyppFatalError(msg, self._fname, self._spans[0])
        argdict.update(keywords)
        if nargs < len(self._argnames):
            for argname in self._argnames[nargs:]:
                if argname in argdict:
                    pass
                elif argname in self._defaults:
                    argdict[argname] = self._defaults[argname]
                else:
                    msg = "macro '{0}' called without mandatory positional "\
                          "argument '{1}'".format(self._name, argname)
                    raise FyppFatalError(msg, self._fname, self._spans[0])
        return argdict