A Complete Guide to Python App Development

Technology is progressing every day, leading to steady advancements in Smartphones, Artificial Intelligence, Computers, etc. Then, to use these technologies, we developed several programs and mobile applications that are driven by programming languages. One such popular and widely used language is Python. 

Python App Development is a high-level and general programming language that supports object-oriented programming and structured programming. Comprehensive and innovative Software models make use of Python development to build applications for different purposes. 

Python app development can be used for multiple purposes including web development, logical and numeric computing, software development, creating desktop GUIs, and building eCommerce mobile apps or ERP systems. With such a wide-ranging application domain, it turns out to be the most compatible and featured-rich technology.

Web and application development using python is the procedure dedicated to creating websites or web-based applications. The integration of python into mobile app development as well as web development helped Python developers all around the world to indulge in improved readability, simplicity, and proficiency.

So, let’s take look at various elements of Python app development and why it is so popular among web developers:

What Makes Python One Of The Top Programming Languages

What Makes Python One Of The Top Programming Languages
Why is Python so popular?

Next time when you are searching for something on Google, indulging in your daily dose of Instagram, spending hours watching videos on YouTube, or listening to your favorite music on Spotify, remember that all of them utilize Python app development for their programming needs. Let’s find out why it is so popular and top choice among Python developers:

Object-Oriented

The reason why development using python is time and cost-efficient is that it is an object-oriented programming language. In web development, it enables web app or website development services providers to make use of their resources in other essential modules of web apps. Those who keep looking for Python vs PHP can recognize that PHP does not follow OOPS concepts completely. It makes PHP development face a few concerns in building websites.

Open-Source

Python application development is free and open-source. This is one of the major reasons why it is such a popular server-side programming language. Being open-source helps the python app development framework to keep upgrading.

Quick

In Python App Development, the programs are added and run directly in the interpreter. This means there is no compiling, which usually occurs for nearly all the other programming languages. Therefore it is quick and simple to get hold of the python code’s feedback, such as identifying errors. You can finish and execute your programs faster as compared to any other programming language.

Easy to Read and Understandable

One of the major characteristics of applications written in python is their syntax. The procedures of its syntax allow the python developers to express concepts without writing any additional code. It has an approach of creating complex things simple; therefore it is quite suitable for beginners to learn.

Python is the only programming language that emphasizes code readability and allows developers to use English keywords rather than punctuation marks. Such features make the python framework the perfect choice for mobile app development. In addition, the right codebase offers python developers to maintain and update their software without any additional effort. 

Simplifies Test-Driven Development

Python app development framework makes prototype creation for software applications much easier. It fully supports prototype development and lets you build apps directly from the prototypes by refactoring them. Coding and testing work hand-in-hand now. Python mobile app development has implemented the methodology known as TDD, an acronym of test-driven development.

Compatibility

Python mobile app development supports many operating systems, such as iOS, Android, and Windows development. You can use the Python interpreter to run and use your code across a variety of tools and platforms. Python also allows you to run the same code on multiple platforms and build your own applications without recompiling. Additionally, if you need to check the effect of modifications made in the code, even if instantly, then you can choose Python app development.

Seamless Integration

Python App Development is extremely suitable for integrating third-party code, OSs, and standard libraries. It makes it a popular choice for web app development where it is very feasible to use third-party integration to make web apps rich-featured putting in less effort.

Robust Standard Library

Python mobile app framework has a robust standard library that provides it an edge over other programming languages. It allows you to select modules from a wide range as per the need. Python’s module allows you to add functionalities later in the process without additional coding. 

Let’s say you are developing a web application. Then, you can employ specific elements in Python to implement web services or manage the OS interface. Browse over Python’s library and collect information about the elements.

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Strong Community Support

Community support is another important component that determines the popularity of any programming language. Python has an active community that offers perfect guides and tutorials, and other documentation forms to better understand programming language. In addition, it has sponsors like Google that add to the list of reasons for Python’s popularity.

Supports Big Data

Python app development framework is one of the most preferred languages because of its huge number of libraries. Additionally, it is easier and faster to code with Python for Big data projects as compared to other programming languages. Hence, making it a popular choice for developers worldwide.

7 Most Popular Python App Development Frameworks

The objective of using app development frameworks is to streamline the code and build web applications with ease. Python mobile app frameworks allow indulging in encapsulated code of simple HTTP-related and other significant operations which contain;

    • URL Routing
    • Web Form Validation
    • Create output formats i.e. HTML, XML, JSON, PDF
    • Database connection & manipulation
    • Enable web security tools
    • Session storage and retrieval

So, is it essential to utilize a framework to develop web apps using Python? No, it is not. But, it surely streamlines the efforts. Still, you can not entirely depend on the framework. There can be a few functionalities that may or may not exist in some frameworks.

However, all the frameworks follow the batteries included approach where they include everything possibly needed by the developers, they can incorporate small packages to outspread it to the advanced functionalities.

Here are some of the popular and commonly used Python web frameworks;

Django

Django is one of the advanced and open-source Python Frameworks that simplifies the app development process through its access to several features. It allows Python developers to create complex codes and Python web applications effectively.

It is commonly used due to the rich stability and performance of its code. It consists of a large community of developers. There are various upgrades indulged in the functionalities of this framework. The most common of those upgrades is its documentation features and database migration.

Pyramid

It is a highly flexible framework for Python App Development that works amazingly for Python’s simple and complex applications. The framework is beneficial in creating prototypes of applications and for Python developers to chip away at API projects. A majority of Python developers love this framework for its transparency and superior characteristics.

Pyramid is a Python-based app development framework built on top of a WSGI server. It follows the model-view-controller architecture for building appealing web app UIs. The configuration of apps developed over the Pyramid framework is significantly more strong than other frameworks. The key operations of the Pyramid framework consist of templating and permitting strong web app security.

Flask

Flask is a Python-based micro web framework ported to an extremely extensible core for applications. It uses subclassing for allowing rich customization in the web app code. It contains features to counter a major security issue, cross-site scripting (XSS) where cyber attackers manipulate malicious code on the client-side app and deliver a security cover.

Flask does not need tools and libraries like other development frameworks because of integrated support for unit testing, soothing request transmitting, etc. Flask is considered a perfect choice for small projects than Django used in the development of big projects.

Bottle

Bottle is a WSGI-based, micro web framework, accessible in a single-file module. It involves no dependencies except on Python’s wide-ranging standard library. Its main functions consist of routing, templating, the development of utility documents, and offering support for HTTP development and other servers.

TurboGears

It is the most flexible app development framework built on top of WSGI servers. It indulges in full-stack features of a web framework necessary to build a web application. Through its minimal mode, it lets Python developers use it as a micro web framework where the stack is accessible according to the need of the code environment. It supports MongoDB as its main database server.

Web2Py

It is one of the most popular and widely used Python Frameworks for mobile app development. The framework is packed with a debugger and a deployment tool that assist the Python developers debug and build the code efficiently and test the applications.

Web2Py is a cross-platform framework and is fully compatible with Mac, Linux, Windows, Android, etc. It supports the Model View Controller design. One component that excites the developers the most is its ticketing framework, an element that issues a ticket every time a mistake is made.

CherryPy

CherryPy is an open-source framework equipped with implanting its multi-strung server. It owns features such as a thread-pooled web server, setup framework, and module framework. The framework does not ask you to use any specific ORM or template engine. 

It permits developers to use various technologies for data access and templating. Therefore, making it an ideal choice of developers to build a mobile app using python app development.

Types Of Apps That Can Be Built Using Python App Development Framework

Blockchain Applications

There is no doubt that Blockchain is one of the hottest trends when it comes to developing mobile apps using Python. However, it was not simple to build Blockchain apps before Python came into existence. Python has made Blockchain application development much easier and faster for developers. The reason behind this is that Python is a very comprehensible language, which makes the mobile app development process much easier. 

It will also make sure that Python developers use HTTP requests. This will help them to interact with Blockchain over the internet, and will also be able to create endpoints for various functions in the Blockchain. Also, they can run the scripts on different machines to build a decentralized network, all thanks to Python app development.

Machine Learning Applications

The list cannot be completed without adding machine learning. This is another inspirational technological trend this decade. It is algorithm technology that adds data to the operating system and permits the operating system to make smart decisions. Other than this, Natural Language Processing (NLP) is also part of machine learning. It helps the system to evaluate, operate and understand human language to make an algorithm operate.

Using this technology sounds like a complex job to do for developers. However, Python has again worked to the benefit of building machine learning applications. The benefit of Python is that it comes with different libraries like Pandas and Scikit, specifically for machine learning. You can simply use these tools for free and utilize them under a GNU license.

Audio and Video Apps

Python App Development framework helps you to develop different types of audio and video applications. As the internet is full of audio and video content, you can use Python to evaluate it. Python libraries such as PyDub and OpenCV are very helpful in the successful completion of the audio and video python mobile app.

YouTube is one of the well-known applications that is developed using the Python App Development framework. You can now figure out how beneficial and amazing this programming language is in delivering apps with high performance.

Command-line Apps

Console applications and Command-line applications are quite similar apps. It is a computer program used from the command line or a shell and does contain any graphical user interface. Python is an appropriate programming language for such applications because of its Real-Eval-Print-Loop (REPL) feature that allows the Python developers to estimate the language and identify new prospects.

Since Python is a worldwide popular language, top Python app development companies have access to several free Python libraries that they can utilize to build command-line apps.

Game App Development

Many popular games such as Battlefield 2 and EVE Online have been created using the python app development framework. Battlefield 2 utilizes Python for all its features and add-ons, and the World of Tanks game utilizes it for most of its features. Disney’s Pirates of the Caribbean game was developed with Panda 3D game engine’s assistance, whose game development language is Python. 

Game developers have the facility to create a rapid game prototype, and Pygame and Python are used for real-time testing. In addition, you can use Python to build game designing tools that help in the development procedure, i.e. creating dialog trees and level designing. 

Business Applications

Python app development is very flexible, and therefore it can build different types of mobile applications. The reason for choosing Python to develop business apps is that it helps to develop mobile apps that automate complex business procedures and operations. Python app development is a great option when it comes to building apps to enhance the efficiency of your business.

In addition to this, it becomes easily possible to develop ERP and e-commerce solutions as you can utilize Odoo to develop Python mobile apps. It is a complete management software written in Python. It helps you in developing a variety of business management apps.

Social Networking Applications

Nowadays social networking applications are the medium to connect with our family and friends. However, managing millions of users is not at all an easy task for social media apps. But thanks to Python, as it has a heavier footprint when it comes to memory, processor, and disk usage.

Talking about Instagram, it serves above 800 million users every day. It also utilizes Django, a Python app development framework to manage users. The team of Instagram engineers moved to Python 3 which has enhanced the proficiency of Instagram’ web service.

System Administration Apps

System administration can turn out to be very tedious, with thousands of tasks to complete and loads of data to manage. System Administration apps can be a savior for the management. 

Python app development is brilliant at building system administration apps as it allows developers to communicate with the operating system through the ‘OS’ module. It will allow the developers to edge with the OS where Python presently runs. The language makes all the IO operations manageable, including simple reading and writing to the file system.

Steps to Build Mobile and Web Applications using Python

You can utilize a combination of JavaScript and Python frameworks to add features and functionalities to your client-side app. Python will allow you to determine what content and features you want to offer on your website. The Python code implements on the server-side while JavaScript runs on the client-side.

Setting Up Development Environment

You can utilize any Python app development framework to write the server-side code for the development of your app. You first have to establish the environment for the framework you are going to implement. You can download and configure the framework on your operating systems like Windows, MacOS, or Linux.

Installation of the development environment for the framework allows you to build and test applications via Python scripts. Developers can use an individual Python virtual environment to code their app using the framework. Such an approach removes the dependencies of your applications on a specific version of the framework you are employing.

Creating a Skeleton Web App

Before we move on to designing the user interface of the web app, we have to allow site-specific settings, determine a complete URL path, and add model, view, and templates. To instigate, UI/UX design services providers begin by creating a new project and templates. The python-based framework permits web developers to build independent application projects for separate web app elements.

These applications are then incorporated with different paths to their respective applications. After routing the URL to different view pages, developers run database migration on the skeleton web app to estimate the stability of data stored. This is how we achieve the development of the skeleton of your web app that offers developers a foundation to build their UI and incorporate other features.

Create & Design App Model

Models are the elements of a python mobile app that involve the structure of data to be allocated. It describes the limit of data kept on a single element, label text for forms, default values, documentation, etc. After incorporating a database, you can utilize the framework to establish the communication between the app and the server.

Set Up Management Site

Python app development framework offers developers an admin site to control site areas of your web app. Python Developers can build, view, update, and remove fields on your web application. It is a compatible approach to manage the data on your python mobile app according to the kind of website you are intended to develop.

Along with managing fields and views, developers can also register or describe the ModelAdmin class to modify the appearance of models on the interface of the web application.

Generating App Pages

It begins with mapping the URLs. Most of the URL mapping has already been completed while creating the skeleton of the application. However, developers can describe the resource URLs by encoding information in the body. URL mapper will use this information to call views and incorporate data from the database.

The view function sends an HTTP request to the database to retrieve the data. Database reduces the data to an HTML page via HTML template. Then, it sends back the accessible HTML page to the users. By incorporating templates and directing links, developers can index pages of their web pages using the framework preferences.

User Authentication & Permissions

Developers can incorporate different sessions on the application for different user accounts. To help the users start or stop the session which is log in or log out for them, developers can use the Python framework’s admin site to build users and groups.

By adding a new user group, you can utilize validation code to integrate user authentication. Templates are available to integrate login, logout or password reset pages. To restrict or allow permissions to particular users, developers can use model instances. Additionally, developers can add, update, or disable permissions via the admin site.

Testing

To check navigation, features, functionality, and other necessary things on your web application, testers can use manual or automation testing. While manual tests need testers to check and execute the code manually, automated tests give way to a more visualized form of testing.

There are three major types of tests to be executed on an application:

    • Unit Tests – Part your code in class and function levels and test their functions as a unit.
    • Integration Tests – Integrate different parts of the web application and test their features together.
    • Regression Tests – Tests to identify any inaccurate impacts of tests performed on other parts of the app.

There are tools to test web apps in the Python ecosystem, i.e. Green (test runner), Requestium (Python library that can be combined with Selenium), and Coverage.py (Measures code coverage). Furthermore, Pytest is a complete testing framework based on Python which is used to write manual test cases.

Host and Deploy Your Python Mobile App

There are numerous hosting services providers you can choose from to host your Python Mobile App on a public web server. Usually, these hosting service providers provide four types of service architectures:

    • “Bare metal” servers
    • Virtualized servers
    • Infrastructure-as-a-service (IaaS)
    • Platform-as-a-service (PaaS)

Most hosting service providers offer an Infrastructure-as-a-service type of server. While choosing Platform-as-a-service can decrease maintenance overhead and give way to easier scaling, Infrastructure-as-a-service is ideal for more flexible deployment.

Popular Mobile Apps Made With Python App Development Framework

If you still have any doubts left in your mind on why you should choose Python for developing your application, here are the top companies that use it for web development that can help you comprehend it better.

Some of the popular apps developed using Python language are as follows:

      • Instagram 
      • Spotify 
      • Pinterest 
      • Dropbox 
      • Reddit 
      • Uber 
      • Netflix
      • Quora

Frequently Asked Questions (FAQ)

Where Is Python App Development Mostly Used?

Python is used primarily as a “scripting language” for web applications. It can automate a particular series of tasks, making it more effective. Python app development is often used in software applications, the shells of operating systems, pages within a web browser, and games. 

Is Python Similar To Java?

Both languages have their pros and cons, but generally, Java development is statically typed, and Python is dynamically typed. They have similarities, as they both adopt “everything is an object” design, use immutable strings and deep standard libraries, and also have cross-platform support.

Is Python Appropriate For Enterprise Applications?

Python is an excellent choice when it comes to developing enterprise applications. Odoo and Tryton are two of the popular enterprise apps made with Python.

What Are The Key Features Of Python?

Some of the key features of this programming language are:

    • It is an interpreted language
    • Well suited to object-orientated programming
    • Functions are first-class objects
    • Can be utilized for web application development and big data applications

Conclusion

Python application development has become a vibrant trend in the digital marketplace. It has overpassed most of its competitors on different scales. We tried to cover every single characteristic of Python web development through this guide. However, to understand and comprehend it better or discuss your project, you can consult a reputed Python development company like Explorate Global.

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