Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Target 1 Spellcaster monster on the field, then activate 1 of these effects; ● That face-up monster is unaffected by other Spell effects this turn. ● That face-up monster is unaffected by Trap effects this turn.
--トーラの魔導書
--Spellbook of Wisdom
local s,id=GetID()
function s.initial_effect(c)
	--Targeted spellcaster monster becomes unaffected by spells or traps
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER|TIMING_END_PHASE)
	c:RegisterEffect(e1)
end
function s.filter(c)
	return c:IsFaceup() and c:IsRace(RACE_SPELLCASTER)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and s.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,s.filter,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,nil)
	local opt=Duel.SelectOption(tp,aux.Stringid(id,0),aux.Stringid(id,1))
	e:SetLabel(opt)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and tc:IsFaceup() then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE+EFFECT_FLAG_CLIENT_HINT)
		e1:SetRange(LOCATION_MZONE)
		e1:SetCode(EFFECT_IMMUNE_EFFECT)
		if e:GetLabel()==0 then
			--Unaffected by spells
			e1:SetDescription(3102)
			e1:SetValue(s.efilter1)
		else 
			--Unaffected by traps
			e1:SetDescription(3103)
			e1:SetValue(s.efilter2) 
		end
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		tc:RegisterEffect(e1)
	end
end
function s.efilter1(e,te)
	return te:IsSpellEffect() and te:GetOwner()~=e:GetOwner()
end
function s.efilter2(e,te)
	return te:IsTrapEffect()
end