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  • DISTUTILS_USE_SETUPTOOLS, QA spam and… more QA spam? – Michał Górny

    I suppose that most of the Gentoo developers have seen at least one of the ‘uses a probably incorrect DISTUTILS_USE_SETUPTOOLS value’ bugs by now. Over 350 have been filed so far, and new ones are filed practically daily. The truth is, I’ve never intended for this QA check to result in bugs being filed against packages, and certainly not that many bugs.

    This is not an important problem to be fixed immediately. The vast majority of Python packages depend on setuptools at build time (this is why the build-time dependency is the eclass’ default), and being able to unmerge setuptools is not a likely scenario. The underlying idea was that the QA check would make it easier to update DISTUTILS_USE_SETUPTOOLS when bumping packages.

    Nobody has asked me for my opinion, and now we have hundreds of bugs that are not very helpful. In fact, the effort involved in going through all the bugmail, updating packages and closing the bugs greatly exceeds the negligible gain. Nevertheless, some people actually did it. I have bad news for them: setuptools upstream has changed entry point mechanism, and most of the values will have to change again. Let me elaborate on that.

  • Python and the infinite [LWN.net]

    A recent proposal on the python-ideas mailing list would add a new way to represent floating-point infinity in the language. Cade Brown suggested the change; he cited a few different reasons for it, including fixing an inconsistency in the way the string representation of infinity is handled in the language. The discussion that followed branched in a few directions, including adding a constant for "not a number" (NaN) and a more general discussion of the inconsistent way that Python handles expressions that evaluate to infinity.

    In general, Python handles floating-point numbers, including concepts like infinity, following the standards laid out by IEEE 754. Positive and negative infinity are represented by two specific floating-point values in most architectures. Currently, representing a floating-point infinite value in Python can be done using a couple of different mechanisms. There is the float() function, which can be passed the string "inf" to produce infinity, and there is the inf constant in the math library, which is equivalent to float('inf'). Brown provided several reasons why he believed a new, identical, and built-in constant was necessary. One of his reasons was that he felt that infinity is a "fundamental constant" that should be accessible from Python without having to call a function or require a library import.

  • Further analysis of PyPI typosquatting [LWN.net]

    We have looked at the problem of confusingly named packages in repositories such as the Python Package Index (PyPI) before. In general, malicious actors create these packages with names that can be mistaken for those of legitimate packages in the repository in a form of "typosquatting". Since our 2016 article, the problem has not gone away—no surprise—but there has been some recent analysis of it, as well as some efforts to combat it.

    On the IQT blog, John Speed Meyers and Bentz Tozer recently posted some analysis they had done to quantify PyPI typosquatting attacks and to categorize them. They started by looking at the examples of actual attacks against PyPI users from 2017 to 2020; they found 40 separate instances over that time span. The criteria used were that the package had a name similar to another in PyPI, contained malware, and was identified and removed from the repository.

  • Automating PDF generation using Python reportlab module

    Generating PDF using python reportlab module, Adding table to PDF using Python, Adding Pie Chart to PDF using Python, Generating PDF invoice using Python code, Automating PDF generation using Python reportlab module

  • Level Up Your Skills With the Real Python Slack Community – Real Python

    The Real Python Community Slack is an English-speaking Python community with members located all over the world. It’s a welcoming group in which you’re free to discuss your coding and career questions, celebrate your progress, vote on upcoming tutorial topics, or just hang out with us at the virtual water cooler.

    As a community member, you also get access to our weekly Office Hours, a live online Q&A session with the Real Python team where you’ll meet fellow Pythonistas to chat about your learning progress, ask questions, and discuss Python tips and tricks via screen sharing.

  • Remove Duplicates From a List

    How do we remove duplicates from a list? One way is to go through the original list, pick up unique values, and append them to a new list.

    About the "Writing Faster Python" series

    "Writing Faster Python" is a series of short articles discussing how to solve some common problems with different code structures. I run some benchmarks, discuss the difference between each code snippet, and finish with some personal recommendations.

    Are those recommendations going to make your code much faster? Not really.
    Is knowing those small differences going to make a slightly better Python programmer? Hopefully!

    You can read more about some assumptions I made, the benchmarking setup, and answers to some common questions in the Introduction article.

More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.