Python Weekly (Issue 413 September 5 2019)

Python Weekly - Issue 413

September 05, 2019

Python Weekly

Welcome to issue 413 of Python Weekly. Let's get straight to the links this week.

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Articles, Tutorials and Talks

A series of posts on preparing for and understanding interviews at big tech companies, drawing from author's experience recruiting and interviewing for Google. The author uses real banned interview problems he and other Google engineers have used in interviews. The code is written in Python.

In this Django 2.x crash course we will build a polling app based off the one from the docs. We will look at apps, views, models, urls, the shell and more.

A low-cost IoT Air Quality Monitor based on RaspberryPi 4.

Looking for a concise but thorough explanation of what Python 3's self means? What __init__() in classes does? What Class Objects and Instance Objects are and how they're related? This 8 minute tutorial covers all of these topics and provides a succinct explanation which'll be the only one you ever need!

After the announcement of shell access for builds.sr.ht jobs, a few people sent me some questions, wondering how this sort of thing is done. Writing interactive SSH applications is actually pretty easy, but it does require some knowledge of the pieces involved and a little bit of general Unix literacy.

In this tutorial you will learn how to use OpenCV to stream video from a webcam to a web browser/HTML page using Flask and Python.

An introduction to running parallel tasks with Celery, plus how and why we built an API on top of Celery’s Canvas task primitives.

The purpose of this article is to introduce the reader to some of the tools used to spot stock market trends.

In this article, I'll use some basic machine learning methods to train a bot to play cards against me. The card game that I'm interested in is called Literature, a game similar to Go Fish.

Dependencies are a nightmare for many people. Some even argue they are technical debt. Managing the list of the libraries of your software is a horrible experience. Updating them — automatically? — sounds like a delirium. Stick with me here as I am going to help you get a better grasp on something that you cannot, in practice, get rid of — unless you're incredibly rich and talented and can live without the code of others.

Interesting Projects, Tools and Libraries

FaceSwap is a tool that utilizes deep learning to recognize and swap faces in pictures and videos.

Essential Cheat Sheets for deep learning and machine learning researchers.

PyGitHub is a Python (2 and 3) library to access the GitHub API v3 and Github Enterprise API v3. This library enables you to manage GitHub resources such as repositories, user profiles, and organizations in your Python applications.

A simple program and library to auto generate API documentation for Python modules.

Toot is a CLI and TUI tool for interacting with Mastodon instances from the command line.

A 64x64 Pixel art drawing program made in Python, Pygame.

Natural Language Processing Best Practices & Examples.

A fast and scalable production-ready open source project for recommender systems.

A virtual assistant bot in Minecraft.

High-performance TensorFlow library for quantitative finance.

Macrobenchmarking framework for Elasticsearch.

New Releases

This was a short release where we closed 35 issues, including improvements to the Python Language Server and to Jupyter Notebook cell debugging, as well as detection of virtual environment creation.

Upcoming Events and Webinars

PyColorado is a regional Python conference to bring together the community of Python users and developers in the Front Range region of the Rocky Mountains. 

There will be a talk, Surviving the Py-ocalpyse: Moving Your Tests from Python 2 to Python 3.

There will be following talks

  • Learn Python Programming: Why and How 

  • PyMNtos Then and Now

  • Recursion Error While Handling Recursion Error

There will be following talks

  • A Unix/Linux User's Guide to Using Python on Windows

  • Module of the Month: Functools

There will be following talks

  • A Disabled Dev's Journey

  • Machine Learning in Python for Detecting Blight in a Large City

Back from summer break! Come out and hear Dylan Buehler present on SaltStack Reactor. SaltStack is Python-based, open-source software for event-driven IT automation, remote task execution, and configuration management. Salt's Reactor system provides a simple interface to watching Salt's event bus for event tags that match a given pattern and enables running one or more commands in response.

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