5 Best Python Frameworks For Web Development

Python

Python is a widely used programming language that offers versatility and power in developing a wide range of applications. Developers can use Python for web development, scientific computing, and machine learning. To simplify the web application development process, Python frameworks offer ready-to-use structures, sets of libraries, and tools that allow efficient software testing and development. 

In this article, we will explore the top 5 Python frameworks that are widely used and provide an overview of their features, strengths, and weaknesses. 

What are Python Frameworks

Python is the pre-built structure mainly used to develop web applications utilizing Python programming language. It involves tools, libraries, and some pre-built code that ease the web development process. This makes it easier to build scalable, high-performing applications faster while allowing developers to focus on the application’s business logic instead of low-level details such as handling HTTP requests and responses, database integration, and form validation. Popular frameworks include Django, Flask, Pyramid, Bottle, and CherryPy.

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Advantages of Python Framework 

When you have understood the need for Python frameworks, it gives direction for choosing them. However, there are other frameworks as well that might address the same need for the development of web applications. Then, how could you make the choice that best fulfills your web development projects? Well, you need to understand the benefits that the Python framework offers. Here are some crucial advantages: 

  • Easier implementation: Python framework has pre-built components and tools that allow developers to build web applications efficiently and quickly. Hence, you can focus on working on custom features and functionality rather than spending time on repetitive tasks like handling user authentication. 
  • Good documentation: Python frameworks have well-written documentation which helps developers with clear instructions on using the framework’s functions.
  • Efficient operations: A web application developed based on the Python framework can handle traffic, data, and users without hampering its speed. Thus, making them suitable for large-scale applications. 
  • Secure framework: It has security features like encryption and authentication, which help protect web applications from cyber threats. Framework developers can rigorously test these features and give assurance that their web application is secure. 
  • Open source: Most of the Python frameworks are open source. This indicates that developers can use them for free and access them easily. 
  • Code reusability: Python framework’s one key significance is that it allows the reuse of codes for common HTTP operations and other functionality. 
  • Easy integration: Integrating the Python framework with other tools and technologies is very easy. This makes adding new features and functionality easy for developers to their web applications. 

Considering the above points makes developers inclined towards Python frameworks for best fitting their web development projects. Let us now look at the top five Python frameworks. 

Top Five Python Frameworks

Django

Django also utilizes ORM (Object-relational mapper) to map objects to a database table. You can interact with the database using Python objects rather than writing SQL queries directly. This can save a lot of your time and effort, particularly when dealing with complex data models. Some of the databases Django works on are Oracle, MySQL, PostgreSQL, and SQLite. 

Advantages of Django:

  • It has Model-View-Template (MVT) architecture which helps in handling databases. We have logic, layout, and data for any web application that can be created in a single file. However, for large web applications, MVT provides the ability to create them in three different components.  The Model handles the data, the View works with logic, and the Template operates with layouts. 
  • Developing any web application using Django protects against vulnerabilities like XSS and CSRF attacks, SQL injection, and Clickjacking. It can hide your website source code and better manages usernames and passwords. 
  • It provides a default admin panel, and you do not need to write code to create it. You can also modify the admin panel with third-party wrappers and add dashboards that align with your web development projects. 
  • Django supports various sets of libraries like the Django REST framework (responsible for building application programming interfaces) and Django-allauth (an integrated set of Django applications for authentication. 
  • It helps in developing web applications faster and cost-effectively. It is possible because you can work on different components of an application parallelly and later integrate them efficiently. It also allows developers to reuse the code written for different projects, saving lots of time. 
  • It is highly scalable. It handles traffic and mobile app API usage for over 400 million users. This maximizes scalability and lowers web-hosting costs. 

Disadvantages of Django: 

  • There are some situations where Django may fail to handle multiple requests simultaneously. For example, an unoptimized web application or lack of server resources makes handling incoming requests difficult. This may lead to slow response time, timeout, or even crashes.
  • It is unsuitable for smaller projects because built-in features such as ORM, admin interface, and authentication system add complexity and overhead, which may not be necessary for smaller projects.
  • Despite the many “batteries included” in Django, the framework is considered monolithic because it has limited external dependencies, making it less flexible and more challenging to use in certain scenarios.

Web2Py

Web2Py is a free, open-source, full-stack web framework that allows for the rapid development of web applications. It is highly versatile and gives support to multiple protocols and interfaces. This helps to develop a web application that works with diverse devices like desktops and mobile devices. The readability of the framework makes it easier for developers to work with different types of protocols and technologies. Hence, there is no need to learn new syntax and programming concepts. Web2py automatically handles database administration tasks, including migrations, backups, and recovery. This saves developers time and effort and reduces the risk of data loss.

Advantage of Web2Py

  • It offers high-level abstractions that help developers focus on the logic of their web applications, not technical details. This makes the web development process faster and easier. 
  • The feature of error tracking in Web2Py helps quickly identify and fix errors in the code. It has a built-in error logging system that includes detailed information on errors that might occur while working on the web application. 
  • It supports internalization, meaning developers can effortlessly translate their web applications into different localization and languages. 

Disadvantage of Web2Py

  • Even though Web2Py is easy to use, it has limited scalability. 
  • It has limited flexibility where developers may be required to modify the Web2Py framework to meet the specific requirements of web applications. 
  • Despite having an active community of developers and users, Web2Py is not used as widely as Django and Flask. Hence, limits the availability of third-party packages and resources.  

Flask

Flask is a popular and lightweight web framework that is widely used for building web applications in Python. This helps developers to tailor their web applications to address their functionality and feature needs. Further, Flask relies on the Werkzeug WSGI toolkit and Jinja2 templates that allow low-level functionality for handling HTTP requests and the creation of dynamic HTML pages, respectively. 

Advantages

  • It has extensions for object-relational mappers (ORMs), form validation, upload handling, authentication technologies, and other common framework-related tools. This feature increases the speed of developing any feature in the web application by 200%-300%. 
  • FastAPI comes with automatic code completion in the editors, saving developers plenty of time to write code. For example, the editor automatically suggests the correct syntax and keywords when developers write code. This will make writing code easy and quick. 
  • Minimized code duplications and allowed the reuse of code. This lowers the effort of developers to write large amounts of code and can avert errors from copying and pasting code. 

Disadvantages

  • Flask is a lightweight micro-framework that offers flexibility for building web applications quickly, but it has some limitations. For instance, it provides only the bare minimum for building web applications out-of-the-box. 
  • Developers may need to rely on third-party libraries or write custom code to add certain application features. 
  • Beginners may struggle with more complex tasks due to their flexibility.

Pyramid

The pyramid stands out as a flexible and lightweight framework that can be used to build web applications of any size. With support for multiple templating engines, URL routing, and authentication features, developers have many tools at their disposal when working with Pyramid.

Advantages

  • Pyramid is its modular architecture, which allows for greater flexibility and extensibility compared to other frameworks. With this approach, developers can choose only the necessary components they need and easily integrate them with third-party libraries and tools.
  • Developers can easily customize them to align with the needs and requirements of web applications for their correct development. 
  • It is easy to use a decorator to add authentication to the view or change the function of event subscribers. Its main purpose is to change the functioning of the input function without modifying its implementation. 

Disadvantages

  • It requires more configuration and setup than other frameworks due to its flexibility and modularity, which can make it challenging for beginners with steeper learning curves. 
  • Its documentation may not be as extensive or user-friendly as other frameworks, making finding resources difficult for developers when building their applications.

FastAPI

FastAPI is another modern web framework that offers several unique features for building APIs with Python. The use of modern Python features such as async and await makes FastAPI faster than other frameworks.  

Advantages

  • FastAPI’s interactive API documentation provides a user-friendly interface for clients to understand and use the API while also making it easy for developers to test and debug their APIs.
  • Automatic data validation helps prevent common programming errors while also making it easier for developers to write reliable and scalable APIs.

Disadvantages

  • FastAPI’s focus on APIs may limit its suitability in building full-stack web applications that require server-side rendering or dynamic content. 
  • As a relatively new framework compared to Django or Flask, FastAPI may not have as much community support or third-party plugins available yet.

Conclusion 

It’s worth noting that each framework explored in this article – Django, Flask, Pyramid, Bottle and FastAPI – has its own strengths and weaknesses suited for different types of projects or developers’ preferences. Despite these drawbacks, though, they are still great choices for smaller-scale projects or those just starting out in web development using Python; however, they might not be the best choice for extremely large or complex web applications where scalability is essential – in those cases using more built-in features offered by other popular frameworks like Django might be a better option instead! 

However, by understanding these differences between each tool’s features and limitations properly before choosing one over another can help ensure successful development outcomes.

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