connexion VS falcon

Compare connexion vs falcon and see what are their differences.

connexion

Connexion is a modern Python web framework that makes spec-first and api-first development easy. (by spec-first)

falcon

The no-magic web data plane API and microservices framework for Python developers, with a focus on reliability, correctness, and performance at scale. (by falconry)
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connexion falcon
23 9
4,423 9,394
0.4% 0.2%
8.2 7.1
6 days ago 12 days ago
Python Python
Apache License 2.0 Apache License 2.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

connexion

Posts with mentions or reviews of connexion. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-27.
  • Write OpenAPI with TypeSpec
    7 projects | news.ycombinator.com | 27 Mar 2024
    I like the idea, especially the TS-like syntax around enums and union types. I've always preferred the SDL for GraphQL vs writing OpenAPI for similar reasons.

    I echo the sentiment others have brought up, which is the trade-offs of a code-driven schema vs schema-driven code.

    At work we use Pydantic and FastAPI to generate the OpenAPI contract, but there's some cruft and care needed around exposing those underlying Pydantic models through the API documentation. It's been easy to create schemas that have compatibility problems when run through other code generators. I know there are projects such as connexction[1] which attempt to inverse this, but I don't have much experience with it. In the GraphQL space it seems that code-first approaches are becoming more favored, though there's a different level of complexity needed to create a "typesafe" GraphQL server (eg. model mismatches between root query resolvers and field resolvers).

    [1] https://github.com/spec-first/connexion

  • Connexion 3 released!
    1 project | /r/flask | 3 Nov 2023
    Connexion is a popular Python web framework (~ 5 million downloads per month) that makes spec-first and api-first development easy. You describe your API in an OpenAPI (or swagger) specification with as much detail as you want and Connexion will guarantee that it works as you specified.
  • Connexion 3.0 Released
    1 project | news.ycombinator.com | 3 Nov 2023
  • Show HN: REST Alternative to GraphQL and tRPC
    8 projects | news.ycombinator.com | 10 Oct 2023
    > While REST APIs don't generally provide the same level of control to clients as GraphQL, many times this could be seen as a benefit especially in scenarios where strict control over data access and operations is crucial.

    Rest is more secure, cacheable, and more performant on the server side as field resolution doesn't need to happen like it does with GraphQL. It is not more performant on the client side, and this is a trade-off, but I favor rest applications over GraphQL ones as a DevOps engineer. They are much easier to administer infrastructure-wise, I can cache the requests, etc.

    Data at our company suggests that several small queries actually do better performance-wise than one large one. We switched to GraphQL a year and a half ago or so, but this piece of data seems to suggest that we might have been better off just sticking with REST. My suggestion to that effect was not met with optimism either on the client or server side. Apparently there are server-side benefits as well, allowing for more modular development or something like that.

    I have used OpenAPI using connexion[1]. It was hard to understand at first, but I really liked that the single source of truth was one schema. It also made it really easy to develop against the API because it came with a UI that showed the documentation for all the rest end points and even had test buttons.

    1: https://connexion.readthedocs.io/en/latest/

  • Ask HN: Why is there no specification for Command Line Interfaces?
    5 projects | news.ycombinator.com | 27 Feb 2023
    What's the use case? I was thinking about this exact issue because my product ships several CLI tools, but I wasn't convinced it would be worth the effort.

    An OpenAPI specification describes an HTTP interface, and I see it as useful because it makes it easier to write code in language-of-choice to generate HTTP requests (by generating client libraries from the OpenAPI spec).

    For a CLI, the interface is the command-line. Usually people type these commands, or they end up in bash scripts, or sometimes they get called from programming language of choice by shelling out to the CLI. So I could see a use case for a CLI spec, which would make it easier to generate client libraries (which would shell out to the CLI)... but it seems a little niche.

    Or maybe, as input to a documentation tool (like Swagger docs). I would imagine if you're using a CLI library like Python's Click, most of that data is already there. Click Parameters documentation: https://click.palletsprojects.com/en/8.1.x/parameters/

    Or maybe, you could start from the spec and then generate code which enforces it. So any changes pass through the spec, which would make it easy to write code (server and client-side) / documentation / changelogs. Some projects like this: Guardrail (Scala) https://github.com/guardrail-dev/guardrail , and Connexion (Python) https://github.com/spec-first/connexion .

    But without this ecosystem of tooling, documenting your CLI in a specification didn't really seem worth the effort. Of course, that's a bootstrapping problem.

  • Flask is Great!
    3 projects | /r/flask | 4 Feb 2023
    Connexion is a framework on top of Flask that automagically handles HTTP requests defined using OpenAPI/Swagger.
  • What is the best practice for mapping JSON requests to objects and back to JSON?
    2 projects | /r/flask | 25 Jan 2023
    I recommend you create a OpenAPI Specification and implement a python module that you expose via connexion or on the cli via click(for easy testing).
  • Flask-Powered APIs: Fast, Reliable, and Used by the World's Top Companies
    2 projects | /r/flask | 15 Dec 2022
    I'm here because Swagger-CodeGen created flask-Connexion boilerplate for python.
  • Python REST APIs With Flask, Connexion, and SQLAlchemy – Part 1 – Real Python
    3 projects | /r/Python | 15 Nov 2022
  • Does anybody know any good resources I could use to study ISP architecture?
    2 projects | /r/networking | 12 Nov 2022
    Personally we just prov them using librouteros and flask-connexion/openapi.

falcon

Posts with mentions or reviews of falcon. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-03-12.
  • Is something wrong with FastAPI?
    5 projects | /r/Python | 12 Mar 2023
    Falcon FastAPI Sanic Starlite (disclosure: I do work here)
  • A Look on Python Web Performance at the end of 2022
    10 projects | dev.to | 14 Nov 2022
    Sanic is very very popular with 16.6k stars, 1.5k forks, opencollective sponsors and a very active github. Falcon is more popular than japronto with 8.9k stars, 898 forks, opencollective sponsors and a very active github too. Despite Japronto been keeped as first place by TechEmPower, Falcon is a way better solution in general with performance similar to fastify an very fast node.js framework that hits 575k requests per second in this benchmark.
  • Flask vs FastAPI?
    11 projects | /r/Python | 6 May 2022
    I prefer Falcon for kicking up an API.
  • Python for everyone : Mastering Python The Right Way
    30 projects | dev.to | 7 Mar 2022
    Falcon
  • Pyjion – A Python JIT Compiler
    8 projects | news.ycombinator.com | 9 Nov 2021
    And here's a project that's mostly Python, and optionally uses Cython https://github.com/falconry/falcon
  • 2 Questions to Ask Before Choosing a Python Framework
    5 projects | dev.to | 7 Sep 2021
    To help with the above two cases I would consider using a microframework, and the Python community provides many solutions. In my professional career I’ve had the opportunity to work with three very good alternatives to Django: Flask, Falcon, and Fast API. Flask is designed to be easy to use and extend. It follows the principles of minimalism and gives more control over the app. Choosing it, developers can use multiple types of databases, which is not easy to do in Django. We can also plug in our favorite ORM and use it without any risk of unpredictable app behavior. In contrast to Django, it’s easy to integrate NoSQL databases with Flask.
  • Do you know any Python projects on Github that are examples of best practices and good architecture?
    10 projects | /r/learnpython | 5 May 2021
    This may not be exactly what you asked for but I found contributing to open source projects really exposed me to different approaches I never would have considered and may not have fully grasped had I not had to actually dive into the code to solve an issue. Falcon is a great place to start and the guys are super friendly there.
  • Falcon 3.0 released!
    1 project | /r/Python | 5 Apr 2021
  • Designing rest APIs as a data engineer
    2 projects | /r/dataengineering | 28 Mar 2021
    https://falcon.readthedocs.io/en/stable/ https://fastapi.tiangolo.com/

What are some alternatives?

When comparing connexion and falcon you can also consider the following projects:

flask-restful - Simple framework for creating REST APIs

fastapi - FastAPI framework, high performance, easy to learn, fast to code, ready for production

Flask RestPlus - Fully featured framework for fast, easy and documented API development with Flask

hug - Embrace the APIs of the future. Hug aims to make developing APIs as simple as possible, but no simpler.

flasgger - Easy OpenAPI specs and Swagger UI for your Flask API

Dependency Injector - Dependency injection framework for Python

django-rest-framework - Web APIs for Django. 🎸

apistar - The Web API toolkit. 🛠

eve - REST API framework designed for human beings

restless - A lightweight REST miniframework for Python.

ripozo - A tool for quickly creating REST/HATEOAS/Hypermedia APIs in python