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Python Weekly

Welcome to issue 557 of Python Weekly. Let's get straight to the links this week.

From Our Sponsor

Utilizing Python’s built-in pickle library can help maintain persistence within complex data structures and objects. Learn how to securely use Python pickle for serialization while avoiding unpickling pitfalls.

Articles, Tutorials and Talks

Learn the Python Anvil Framework
This tutorial demonstrates how to use the Python 'Anvil' framework to make modern web apps that run on every common platform (Windows, Mac, Linux, Android, iOS, Chromebook, etc.), in the easiest, most productive way possible. You'll learn how to create several dozen useful apps with Anvil, using nothing but Python code, in just a few hours. You don't need to have any previous experience to complete this tutorial.

Faster Django Queries With Materialized Views

Materialized views can be very useful for creating reports that will be used repeatedly. They cut down on query times because the query has already been made, and the view has been written to the disk. In this video, Nafiul Islam demonstrates how to create materialized views, explains the benefits of using them, and shows how to integrate them into Django ORM.

How I made a dataclass remover
My journey creating a dataclass converter by using abstract syntax trees, match-case, the dedent utility and more. You may learn something new along the way.

Faster routing for Flask & Quart
Flask and Quart both utilize Werkzeug's HTTP router to route request paths to the relevant function. With the upcoming 2.2 release of Werkzeug this router will be significantly faster, with up to a factor of 5 seen in testing. This speedup increases with the size of the routing table and so you are likely to see further increases in your production applications.

Text Embeddings Visually Explained
We take a visual approach to gain an intuition behind text embeddings, what use cases they are good for, and how they can be customized using finetuning.

3D Machine Learning 201 Guide: Point Cloud Semantic Segmentation
Complete Python tutorial to create supervised learning AI systems for semantic segmentation of unstructured 3D LiDAR point cloud data.

Forms in Django 4.0+
Prior to Django 4.0 forms were rendered by string concatenation. A number of 3rd party packages allowed for forms to be rendered as templates e.g. floppy forms, crispy-forms. Django 4.0 introduced the capability to render forms using the template engine. This allowed the form template to be set per form class or per instance if a template name is provided when calling render().

5 Reasons Why You Should Use Type Hints In Python

Even though you don't see type hints all that often in Python code, and they'll probably never become obligatory, I still think you should use them. Here are 5 reasons why.

Logging millions of requests reliably with our new data ingestion pipeline
An architectural overview of HackerEarth's request logging pipeline

What would DNA sound if synthesized to an audio file

Using sigstore-python to sign and verify your software release

Using multiple kernels in Jupyter

Books

Python for Data Analysis, 3rd Edition - Open Edition
The book has been updated for pandas 1.4.0 and Python 3.10. The changes between the 2nd and 3rd editions are focused on bringing the content up-to-date with changes in pandas since 2017.

Interesting Projects, Tools and Libraries

YouBit
Using YouTube as a free file hosting service.

picologging
An optimized logging library for Python.

SecretFlow
SecretFlow is a unified framework for privacy-preserving data intelligence and machine learning.

red-engine
Modern scheduling library for Python.

discoart
Create Disco Diffusion artworks in one line.

waymore
Find way more from the Wayback Machine!

min-dalle
min(DALL·E) is a fast, minimal implementation of DALL·E Mega in PyTorch.

SearXNG
SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.

mimic3
A fast local neural text to speech engine for Mycroft

Betty
An automatic differentiation library for generalized meta-learning and multilevel optimization.

gpucsl
Constraint-based Causal Structure Learning on GPUs.

Barfi
A Python visual Flow Based Programming library that integrates into your existing workflow.

picosnitch
Monitor network traffic per executable using BPF.

New Releases

Django security releases issued: 4.0.6 and 3.2.14

Upcoming Events and Webinars

Virtual: PyMNtos Python Presentation Night #105
There will be a talk, Machine Learning 101 with Natural Language Processing.

Virtual: PyData Triangle Meetup July 2022
There will be a talk, Cyber Security Vulnerability Management and Graph Database Technology.

Python Atlanta Meetup July 2022

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Python Weekly - Python Weekly - Issue 557

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