Why Is Abstraction In Python Important?
Abstraction in Python is done by creating specialized interfaces and abstract classes. In simple terms, abstraction in Python means to create specialized or independent classes instead of using generic ones. Moreover, the purpose of creating specialized interfaces is to implement specialized algorithms without needing to change the base Python code. By creating specialized interfaces, programmers can also avoid certain drawbacks that come along with generic programming such as memory hardness, performance concerns and security flaws.
When we speak of abstraction in python, it simply refers to separation of functions into specialized classes. As a matter of fact, every function in an object is abstract or specialized. So, whenever you create any object in python, you will create one or more specialized abstract classes. Therefore, abstraction in python happens when we separate specialized functionality into multiple specialized implementations. Now, let us come back to the question. How exactly does one create specialized or independent classes?
There are basically two ways on how to create specialized interfaces for a particular class in python: one is by instantiation and the other one is through inheritance. Let’s discuss each of these abstractions in python in detail. Instantiation of specialized interfaces is considered to be a very flexible approach that allows to reuse the implementation details of an abstract method. However, the instantiation of an abstract class does not allow to reuse the functionality of an abstract method, which results to less flexibility. Hence, when we say that abstraction in python happens through inheritance, it simply means that an object is specialized via its parent. Similarly, when we say that abstraction in python occurs through the creation of new specialized instances of the existing classes, it simply means that a new instance of an existing class is specialized.
So, now that we have discussed about the different aspects on abstraction in python, let us come back to the original question briefly. How is it possible to make sure that we get the most out of Python and that we do not have to suffer from unnecessary loses in return? To answer this question, you can implement your requirements more precisely, you can make your requirements as whitespace delimited and more compact. All of these features can make your code more readable and more concise. Furthermore, they will help you gain a level of satisfaction with Python.
There is another approach to achieve abstraction in python and that is by hiding it behind an interface. Let us take the Java world for example, Java has several abstractions but every class implementing any abstract method hides it behind an interface. In the end, when you start coding real-life programs, you will be forced to deal with any issues that arise because of hiding abstractions, and because of the fact that you cannot see the functionality behind the interface. The last thing you want is to end up refactoring your application due to missing or outdated information. So, in order to achieve abstraction in python, you should avoid interfaces completely and focus on the functionality rather than the appearance or the syntax.
A lot of people choose to hide abstraction in python by creating and designing classes that behave similarly to other objects. For example, instead of creating an abstract class like “ibo” with behavior like “dict”, you would instead create an object oriented programming DSL or a generic object. This approach hides the complexity of complex API and allows the developer to write one application that works with any type of database and any object-oriented programming platform. However, it introduces a certain amount of complexity with the typing necessary and the fact that the generated code may not closely match the specification. For example, if you want to create a connection from “ibo” to “myapp” over a database, you would have to perform some additional functions such as connecting the two objects and casting the correct type for the specific needs.
Another approach that hides or abstracts abstraction in python is to make it an iterable. Rather than creating classes and objects, you would instead create and return a series of tuples. It is simple to define tuples, since they are simply values that can be used to construct the corresponding elements of a series. As mentioned earlier, there is no complexity with the implementation. However, this approach does not allow the developer to reuse the code, which is another drawback when it comes to OOP.
In conclusion, I have explained why abstraction in python is important in both the context of performance and simplicity. However, I would like to add a couple of cautions about encapsulation. First, I do not believe in “abstraction-over-use”. Encapsulation is useful only when there is no real purpose for an abstraction, or when the benefits of encapsulation are over-used. By the same token, encapsulation is a weak form of abstraction, because it makes the code more fragile and less maintainable in the long run.
Also Read – What is Byte Code in Java
An Easy Guide to Data Abstraction in Python
In previous articles we explored data types, operators, and functions. Now we will explore data abstraction in Python. If you are not yet familiar with this feature in Python, it can be very useful for you in your future programming projects.
By data abstraction in python terminology, mean essentially something to give a label to variables so that the responsible developer can understand the concept of what exactly the program is doing behind the scenes. Basically, there are two ways to accomplish data abstraction in python: with or without encapsulation. Encapsulation is when a variable is defined inside an enclosing function or module. It is then visible and accessible from anywhere in the enclosing module or function.
On the other hand, hiding data abstraction in python is just the opposite. Hiding data abstraction in python is when a variable is defined but is not visible or available from any part of the program or script. The reason for this is pretty obvious: encapsulation is cleaner and safer. However, using this technique is slightly more complicated than just leaving it as is.
As an example, say you have a data abstraction in python where you have a way to convert your strings into lists. For the moment, we are assuming that we are using “txt” as a format. You want to create a new function called “reverse_txt” and pass in the list of words. The function will then return all the times that a particular word appears in the input. Now suppose that you also have a separate list of words, which contains all the words used in your reversed list. What you need is an extractor function to pull out the relevant information from both lists.
The extractor function creates a new function called “roo” that takes a list and extracts all the relevant information from each item in the list. So now, instead of being required to create a complex data abstraction in python programming, you can leave all of this work to the wonderful duck typing modules. You’ll find that by using a good data abstraction in python programming, you free up your code and greatly speed up your work.
Another common data abstraction in python that hides a function is by using a “protected member” feature. When creating a class, often you cannot directly instantiate a field unless it is private. So what you can do in most cases is to use a “protected member” feature which lets you create a private field and assign values to it. With the protected member function, all you need to do is define a function inside your class that will return the value of the private field.
In order to fully understand the data abstraction in python concepts, it is really necessary to learn the full nesting concept. In simple words, an object is encapsulated or wrapped in some other type of container or object. It is also possible for an object to be encapsulated by multiple containers, but the nesting just happens to be one level deep. A very popular way to implement encapsulation in Python is to create a decorator.
So, when you’re working with any python program, whether it is database access graphic design, or anything in between, you need to remember that data abstraction in python is much more complex than it looks at first glance. This concept is great if used properly, but sometimes a little knowledge of the full depth of nesting is necessary in order to fully utilize it. Understanding how the concept works and how to wrap objects around other objects is essential. Hopefully these data abstraction in python tips will help you along your road to excel at data abstraction in python programming!