Python Weekly - Python Weekly - Issue 575

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Welcome to issue 575 of Python Weekly. Let's get straight to the links this week.
News

Python Web Conf 2023 CFP
The 5th annual Python Web Conf will be hosted virtually from March 13-17, 2023. With sessions for mid-level and advanced developers alike, international experts will share cutting-edge presentations on topics including AI/ML, Big Data, CI/CD, Serverless, Security, Containers and more. Speakers of all backgrounds are welcome and encouraged to submit a talk.


Articles, Tutorials and Talks

How to Support A/B Testing in Your Python Code 
This video takes a close look at A/B testing and feature flags. A/B tests are a great way to establish what your end user likes. If you just make those decisions based on what you think will work, you’re basically flying blind because you don’t know what the customer actually prefers.

Python Asyncio: The Complete Guide
This guide provides a detailed and comprehensive review of asyncio in Python, including how to define, create and run coroutines, what is asynchronous programming, what is non-blocking-io, concurrency primitives used with coroutines, common questions, and best practices.

Inline caches in the Skybison Python runtime
Inline caching is a popular technique for optimizing dynamic language runtimes. In this post, I will write about the inline caching implementation in Skybison, a relatively complete Python 3.8 runtime originally developed for use in Instagram. It nicely showcases all of the fun and sharp edges of the Python object model and how we solved hard problems.

Microservice Architecture and System Design with Python & Kubernetes 
Learn about software system design and microservices. This course is a hands-on approach to learning about microservice architectures and distributed systems using Python, Kubernetes, RabbitMQ, MongoDB, mySQL.

With Retool, you can speed up engineering time from weeks to days
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How To Filter Django QuerySets – 15 Examples For Beginners
A tutorial on creating QuerySets with Django ORM and filtering the data. Includes how to convert QuerySets into lists.

How To Build a Real-Time Product Recommendation System Using Redis and DocArray
This tutorial helps you build a real-time product recommendation system for an e-commerce system using content-based filtering and vector similarity search. Follow along to learn the essential steps and how it works.

Adding types to a large Python codebase
We decided to drive Dagster to a 100%-typed public interface. This turned out to be a significant undertaking. Here are the lessons learned in introducing typing to a large Python codebase.

Matching data between data sources with Python
One particular type of data problem is matching data between data sources when exact linking identifiers are missing. This situation has come up for me quite often. In this article, we’ll look at multiple ways to attempt to match data between two data sources.


Interesting Projects, Tools and Libraries

swirl-search
SWIRL is the first Open Source Federated Search Engine with connectors to elastic, apache solr, PostgreSQL, generic http/get/json, Sqlite3, Google PSE, NLResearch.com, newsdata.io plus simple field mapping capabilities and cosine-vector-similarity re-ranking of unified results *without* extracting or indexing *anything*!

mundipy
mundipy is a Python framework for spatial data manipulation. Built on top of geopandas, GDAL, and shapely, mundipy provides a useful abstraction to eliminate the hassles of spatial data.

stlite
A port of Streamlit to WebAssembly, powered by Pyodide.

chat-miner
Lean parsers and visualizations for chat data. As of now, WhatsApp, Signal, Telegram, and Facebook Messenger export files are supported.

mage-ai
A modern replacement for Airflow.

Broken-Droid-Factory
BDF is a Python tool designed to spin-up pseudo random vulnerable Android applications for training when it comes to vulnerability research, ethical hacking, and pen testing on Android apps.

lama-cleaner
Image inpainting tool powered by SOTA AI Model. Remove any unwanted object, defect, people from your pictures or erase and replace(powered by stable diffusion) any thing on your pictures.


New Releases

Python in Visual Studio Code – November 2022 Release
This release includes the following changes:
  • Migration to isort extension
  • Auto imports turned off by default with Pylance
  • Pylint and flake8 extensions recommendation
  • “Just My Code” for notebook cell debugging

Upcoming Events and Webinars

Virtual: PyChain 2022
The First Python and Blockchain Online Developer Conference. Talks by developers for developers: learn revolutionary technology directly from its core developers. Discover how to build, trade on and integrate blockchain technologies.

Pyninsula #31 - Palo Alto, CA
There will be following talks
  • Jessica's Favorite Dash Tricks
  • Observant Developer - OpenTelemetry from code to prod 
  • Tools and Architecture for Complex Data Integrations 

Virtual: Cleveland Python Meetup November 2022
There will be a talk, Creating an Automated Social Campaign with Python, HTMX and Azure Queues.

PyData Cambridge Meetup November 2022
There will be following talks
  • Setting up a Repository Template for your Team with Consistency, Reproducibility, and Compliance in Mind
  • Finding Data Science in the Microbiome 

PyData Pittsburgh Meetup November 2022
In this fast-paced talk, you’ll learn how adopting data engineering best practices and tools can improve your data science projects and empower you to deliver better, more reliable results in record time. We’ll discuss data architecture and design principles and explore open source tools you can use today.

PyData Munich Meetup November 2022
There will be following talks
  • Practical Text Search or how to beat Elasticsearch
  • Bot detection in the Wild

PyData Bristol Meetup November 2022
There will be following talks
  • The 7 lines of code you need to run faster real-time inference
  • Semi-supervised Image Segmentation: An introduction to CycleGAN
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