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Welcome to issue 563 of Python Weekly. Let's get straight to the links this week.

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News

Snyk finds PyPi malware that steals Discord and Roblox credential and payment info
Learn about the newly discovered PyPi malware that attempts to steal credential and payment information from Discord and Roblox users.

Articles, Tutorials and Talks

The spelled-out intro to neural networks and backpropagation: building micrograd

Andrej Karpathy gives the most step-by-step spelled-out explanation of backpropagation and training of neural networks. It only assumes basic knowledge of Python and a vague recollection of calculus from high school.

Advanced Python: Achieving High Performance with Code Generation
If the phrase “hand-rolled bytecode” makes you laugh maniacally, this article is for you. If it makes you think “this is almost certainly a terrible idea,” then you have the right level of caution to be considering using it. This method is a powerful footgun and should be handled with care.

Introduction to streaming for data scientists
As machine learning moves towards real-time, streaming technology is becoming increasingly important for data scientists. With luck, as a data scientist, you shouldn’t have to build or maintain a streaming system yourself. Your company should have infrastructure to help you with this. However, understanding where streaming is useful and why streaming is hard could help you evaluate the right tools and allocate sufficient resources for your needs.

Event-Driven Architecture with React and FastAPI

Learn about event-driven architecture by building a real-world project using FastAPI, React, and Redis.

Build internal tools 10x faster with Retool
Retool is the fast way for developers to build and share internal tools. Teams at thousands of companies like Amazon, DoorDash, NBC, and Pinterest collaborate around custom-built Retool apps to solve internal workflows. Get started for free today. SPONSOR

From late-bound arguments to deferred computation, part 1
Back in November, we looked at a Python proposal to have function arguments with defaults that get evaluated when the function is called, rather than when it is defined. The article suggested that the discussion surrounding the proposal was likely to continue on for a while—which it did—but it had died down by the end of last year. That all changed in mid-June, when the already voluminous discussion of the feature picked up again; once again, some people thought that applying the idea only to function arguments was too restrictive. Instead, a more general mechanism to defer evaluation was touted as something that could work for late-bound arguments while being useful for other use cases as well.

How to Create a Blog Post Title Optimizer with GPT-3 and Hacker News Data
Many know GPT-3 as a tool for robust text generation. But a newer, lesser discussed feature that OpenAI allows is fine tuning GPT-3 on data you provide. If I provide GPT-3 with a large dataset of good titles, can I use that to tell me if one of my blog post titles are good? Let’s give it a try.

Stardew Valley Game Clone with Python and Pygame

Create a Stardew Valley style game with Python and Pyagme. This includes farming and foraging, a day and night cycle, weather effects and a merchant. The game was also made in Tiled so you can expand it yourself.

Introducing a project template for modern Python packages
We open sourced a project template for modern Python packages. In this blog post, we describe what it contains and discuss the choices made while developing it.

The Magic of Matplotlib Stylesheets
A tutorial on how to make your very own custom stylesheet and level up visualizations with Matplotlib Stylesheets.

Interesting Projects, Tools and Libraries

sematic
Prototype-to-production ML in days not weeks.

erg
A Python-compatible statically typed language.

DeepPurpose
A Deep Learning Toolkit for DTI, Drug Property, PPI, DDI, Protein Function Prediction (Bioinformatics).

ocrpy
Unified interface to google vision, aws textract, azure, tesseract and other OCR tools.

Dokter
The doctor for your Dockerfiles. It will make sure that your Dockerfiles: build secure images, build smaller images, build faster, follow best practices and are pretty formatted.

PyXA
PyXA is a wrapper around Apple's Scripting Bridge framework that enables AppleScript- and JXA-like control over macOS applications from within Python.

chasing_your_tail
Tool for using wireless signals to see if you're being followed.

Alpa
Auto parallelization for large-scale neural networks.

LNN
A `Neural = Symbolic` framework for sound and complete weighted real-value logic.

wtfis
Passive host and domain name lookup tool for non-robots.

Upcoming Events and Webinars

PythonPune Meetup August 2022
There will be following talks

Checkpoint - Create restore points for your project locally
How an E-Commerce Tech Works
Deploying python applications to aws nitro enclaves

PyBerlin 34
There will be following talks

Building a Banking System with Python
Playwright Comes to Python
Using Deep Language Models with Txtai and DiscoArt

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Python Weekly - Python Weekly - Issue 563

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