bookshop web service building flask bookshop service the previous illustrated the basic structure of very simple web service application we are now in position to explore the creation of set of web services for something little more realisticthe bookshop web service application in this we will implement the set of web services described earlier in the previous for very simple bookshop this means that we will define services to handle not just the get requests but also putpost and delete requests for the restful bookshop api the design before we look at the implementation of the bookshop restful api we will consider what elements we for the services services one question that often causes some confusion is how web services relate to traditional design approaches such as object oriented design the approach adopted here is that the web service api provides way to implement an interface to appropriate functionsobjects and methods used to implement the applicationdomain model this means that we will still have set of classes that will represent the bookshop and the books held within the bookshop in turn the functions implementing the web services will access the bookshop to retrievemodifyupdate and delete the books held by the bookshop (cspringer nature switzerland ag huntadvanced guide to python programmingundergraduate topics in computer science