function lib:IsOpenable(itemID)
    if(type(itemID) == 'string') then
        assert(string.match(itemID, 'item:(%d+):') or tonumber(itemID), 'item must be an item ID or item Link')
        itemID = (tonumber(itemID)) or (GetItemInfoFromHyperlink(itemID))
    end

    if(IsSpellKnown(1804)) then -- Pick Lock, Rogue ability
        local pickLevel = lib.containers[itemID]
        return pickLevel and pickLevel <= (UnitLevel('player') * 5), 1804
    else
        local raceID = select(3, UnitRace("player"))
        if(raceID == 37) then -- Mechagnome race
            local pickLevel = lib.containers[itemID]
            return pickLevel and pickLevel <= (UnitLevel('player') * 5), 312890
        end
    end
end

...
    local isMillable, isMortar = LibProcessable:IsMillable(itemID)
    local canPicklock, picklockSkillID = LibProcessable:IsOpenable(itemID)
    if(isMillable and GetItemCount(itemID) >= 5) then
        Molinari:Apply(itemLink, isMortar and 114942 or 51005, 1/2, 1, 1/2, isMortar)
    elseif(LibProcessable:IsProspectable(itemID) and GetItemCount(itemID) >= 5) then
        Molinari:Apply(itemLink, 31252, 1, 1/3, 1/3)
    elseif(LibProcessable:IsDisenchantable(itemLink)) then
        Molinari:Apply(itemLink, 13262, 1/2, 1/2, 1)
    elseif(canPicklock) then
        Molinari:Apply(itemLink, picklockSkillID, 0, 1, 1)
    else
        local isOpenable, keyItemID = LibProcessable:IsOpenableProfession(itemID)
        if(isOpenable) then
            Molinari:Apply(itemLink, keyItemID, 0, 1, 1, true)
        end
    end
...