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Flask vs Twisted: What are the differences?

Introduction:

Flask and Twisted are both popular frameworks used for web development in Python. While Flask is a micro web framework, Twisted is an event-driven networking engine. Despite their similarities, there are key differences that distinguish these frameworks.

1. Architecture:

Flask follows the traditional server-client model, where the server waits for requests from clients and responds accordingly. It uses a multi-threading or multi-processing approach to handle concurrent connections. On the other hand, Twisted is built on an asynchronous event-driven architecture, utilizing a single event loop to handle multiple connections. This allows Twisted to handle large numbers of simultaneous connections more efficiently.

2. Ease of Use:

Flask is known for its simplicity and ease of use. Its lightweight nature and intuitive syntax make it ideal for beginners and smaller projects. Twisted, on the other hand, has a steeper learning curve and is more suitable for experienced developers who require more powerful networking capabilities. It provides a rich set of tools and protocols for building complex networking applications.

3. Functionality:

Flask provides the basic functionalities required for web development, such as routing, templating, and request handling. It offers the flexibility to add additional functionality through extensions and plugins. Twisted, on the other hand, offers a wider range of functionality, including support for protocols like HTTP, FTP, SMTP, and more. It is often used for building high-performance network applications, such as servers and custom protocols.

4. Performance:

Due to its lightweight nature, Flask is generally faster and more efficient for processing simple HTTP requests. It is suitable for handling small to medium-scale web applications with moderate traffic. Twisted, on the other hand, is designed to handle large-scale applications with high volumes of traffic. Its asynchronous nature allows it to efficiently handle a large number of concurrent connections and perform well under heavy load.

5. Community and Ecosystem:

Flask has a large and active community, with numerous tutorials, documentation, and third-party extensions available. It has a robust ecosystem with a wide range of plugins and libraries to enhance functionality. Twisted also has a community, but it is relatively smaller compared to Flask. It has a focused user base of developers who require advanced networking capabilities and often contribute directly to the framework.

6. Deployment and Scalability:

Flask is easy to deploy and can be run on various platforms, including dedicated servers, cloud platforms, and containers. It is suitable for small to medium-scale applications that do not require complex scaling mechanisms. Twisted, on the other hand, is often used in distributed systems and can be deployed across multiple servers. It offers built-in support for load balancing and can scale horizontally to handle a large number of connections efficiently.

In summary, Flask is a lightweight and user-friendly web framework suitable for smaller projects, while Twisted is an event-driven networking engine with advanced capabilities geared towards building high-performance network applications.

Advice on Flask and Twisted
kristan-dev
Senior Solutions Analyst · | 8 upvotes · 346.6K views

My journey to developing REST APIs started with Flask Restful, and I've found it to be enough for the needs of my project back then. Now that I've started investing more time on personal projects, I've yet to decide if I should move to use Django for writing REST APIs. I often see job posts looking for Python+Django developers, but it's usually for full-stack developers. I'm primarily interested in Data Engineering, so most of my web projects are back end.

Should I continue with what I know (Flask) or move on to Django?

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Replies (1)
Rafael Torres
Technical Lead at 4Agile · | 9 upvotes · 337.1K views

If you want to be a Web developer with knowledge in another frontend and NoSql technology, maybe continue with Flask. However, if you want to create very fast solutions to grow up with a new business and merge these with data analysis and other tools, Django is the answer. Basically read more about the service architecture where you feel more comfortable, Microservice or Monolithic, but please will not married with any because they solve issues to different contexts.

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Girish Sharma
Software Engineer at FireVisor Systems · | 6 upvotes · 274.7K views
Needs advice
on
BottleBottleFlaskFlask
and
NamekoNameko

Which is the best Python framework for microservices?

We are using Nameko for building microservices in Python. The things we really like are dependency injection and the ease with which one can expose endpoints via RPC over RabbitMQ. We are planning to try a tool that helps us write polyglot microservices and nameko is not super compatible with it. Also, we are a bit worried about the not so good community support from nameko and looking for a python alternate to write microservices.

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Replies (1)
Recommends
on
BottleBottle

Bottle is much less bloated and fast. Its built-in templating system is one of the fastest as it compiles the templates in bytecode. Also Bottle has no depenencies, preventing dependency bloat.

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Saurav Pandit
Application Devloper at Bny Mellon · | 6 upvotes · 291.8K views

I have just started learning Python 3 weeks ago. I want to create a REST API using python. The API will be used to save form data in an Oracle database. The front end is using AngularJS 8 with Angular Material. In python, there are so many frameworks to develop REST APIs.

I am looking for some suggestions which REST framework to choose?

Here are some features I am looking for:

  • Easy integration and unit testing, like in Angular. We just want to run a command.

  • Code packaging, like in java maven project we can build and package. I am looking for something which I can push in as an artifact and deploy whole code as a package.

  • Support for swagger/ OpenAPI

  • Support for JSON Web Token

  • Support for test case coverage report

Framework can have features included or can be available by extension. Also, you can suggest a framework other than the ones I have mentioned.

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Replies (1)
Recommends
on
FlaskFlask
at

For starters flask provides a beautiful and easy way to create REST APIs. Also its supported by excellent beginner docs as well as a very active community. Another good thing with Flask is its widely available list of plugins which allow you to build as you go. Its also good in performance and can scale to a quite decent level. However, if you are sure your project is going to be fairly big, it would be better to start with Django as it provides a lot of features out of the box and is extremely stable in performance. Both these frameworks have support for Swagger, JWT, Coverage Report although you have to install plugins for them. Deploying both of these are fairly simple and there is huge documentation available. Django has one of the best documentations I have come across. I hope I was able to answer your queries.

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Pros of Flask
Pros of Twisted
  • 14
    Flexibilty
  • 10
    For it flexibility
  • 9
    Flexibilty and easy to use
  • 8
    Flask
  • 7
    User friendly
  • 6
    Secured
  • 5
    Unopinionated
  • 3
    Orm
  • 2
    Secure
  • 1
    Beautiful code
  • 1
    Easy to get started
  • 1
    Easy to develop and maintain applications
  • 1
    Not JS
  • 1
    Easy to use
  • 1
    Documentation
  • 1
    Python
  • 1
    Minimal
  • 1
    Lightweight
  • 1
    Easy to setup and get it going
  • 1
    Perfect for small to large projects with superb docs.
  • 1
    Easy to integrate
  • 1
    Speed
  • 1
    Get started quickly
  • 1
    Customizable
  • 1
    Simple to use
  • 1
    Powerful
  • 1
    Rapid development
  • 0
    Open source
  • 0
    Well designed
  • 0
    Productive
  • 0
    Awesome
  • 0
    Expressive
  • 0
    Love it
  • 5
    Easy-to-understand concurrency
  • 3
    Twisted prevails
  • 1
    It works
  • 1
    Solid, flexible, powerful

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Cons of Flask
Cons of Twisted
  • 10
    Not JS
  • 7
    Context
  • 5
    Not fast
  • 1
    Don't has many module as in spring
    Be the first to leave a con

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    - No public GitHub repository available -

    What is Flask?

    Flask is intended for getting started very quickly and was developed with best intentions in mind.

    What is Twisted?

    Twisted is an event-driven networking engine written in Python and licensed under the open source ​MIT license. Twisted runs on Python 2 and an ever growing subset also works with Python 3. Twisted also supports many common network protocols, including SMTP, POP3, IMAP, SSHv2, and DNS.

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