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Issue #546 (Oct. 11, 2022)

#546 – OCTOBER 11, 2022

Using a Memory Profiler in Python & What It Can Teach You

Have you used a memory profiler to gauge the performance of your Python application? Maybe you’re using it to troubleshoot memory issues when loading a large data science project. What could running a profiler show you about a codebase you’re learning? This week on the show, Pablo Galindo Salgado returns to talk about Memray, a powerful tracing memory profiler.

The Dangers of assert in Python

Did you know Python’s assert statement can lead to runtime security vulnerabilities? While there are safe ways to use assert, there are lots of unsafe ways to use it that can lead to a variety of convoluted problems.
DHRUV PATEL • Shared by Randall Degges

Try atoti, a Free Collaborative Python BI Analytics Platform

atoti is a BI analytics platform combining a python library and a web application helping Quants, Data Analyst, Data Scientist and Business Users to collaborate, analyze and translate their data into business KPIs →

Reasoning About asyncio.Semaphore

Guido walks you through a single-table restaurant analogy to explain the complexity of semaphores in asyncio. Details include the TaskGroup context manager added in Python 3.11.

Django Security Releases Issued: 4.1.2, 4.0.8, and 3.2.16


Python Jobs

Content Operations Manager (Anywhere)

Real Python

Senior Software Engineer Backend (USA)

Muck Rack

Senior Backend Engineer (Anywhere)


Senior Full Stack Engineer (Python) – Remote – Full Time (Dallas, TX, USA)


Senior Pipeline TD (Python) – Remote or On Site (Redmond, WA, USA)

Studio Wildcard

More Python Jobs >>>

Articles & Tutorials

Minimax in Python: Learn How to Lose the Game of Nim

The minimax algorithm can be used to find optimal strategies in many different games. In this tutorial, you’ll learn how to implement minimax in Python while playing the game of Nim. You’ll also learn how you can make the algorithm more efficient with alpha-beta pruning.

Build Enumerations of Constants With Python’s Enum

In this tutorial, you’ll learn how to create and use enumerations of semantically related constants in Python. To do this, you’ll use the Enum class and other related tools and types from the enum module, which is available in the Python standard library.

Scout APM: Built For Developers, By Developers

Performance issues are a pain. But with Scout’s APM tool, you can pinpoint performance and stability issues in Python applications with ease. Scout’s tracing logic detects the exact line of code causing the performance abnormality—fixing the issue before customers ever notice →
SCOUT APM sponsor

How to Safely Pass Data to JavaScript in a Django Template

You want to pass your data from your Django view to JavaScript in your template and you want to do it securely. This post shows several ways of doing it without the risk of allowing malicious code injection.

Designing a Secure API

This article is an introduction to REST APIs. It describes five levels of implementation, versioning, query parameters, how your design effects the server side, and how to secure your end-points.

Building Scalable Data Streaming in Python

This step-by-step guide shows you the tools and tech you need to build a highly scalable data streaming pipeline in Python. It covers the use of Scrapy with Redis and a JSON based data flow.

Decision Trees in Python: Predicting Diabetes

This post shows you how to use the decision-trees algorithm with real-world data to predict cases of diabetes. Examples include the use of numpy, pandas, and sklearn.

12 Beginner Concepts About Type Hints

This article gives an overview of type hints: what they are and when you should use them. It starts with simple types and builds up to more complex definitions.

Ways to Introspect Python Objects at Runtime

Tips and tricks for inspecting Python objects and getting information about your code at runtime. Learn about built-in object methods and the inspect module.
MARTIN HEINZ • Shared by Martin Heinz

Time Series Forecasting Methods – Free Article by InfluxData

Read an overview of what is time series analysis, time series forecasting methods, types of time series used for forecasting, and how to validate models.

Carefully Exploring Rust as a Python Developer

Karim writes about trying Rust programming as a 10+ years Python developer. He describes how to do common programming tasks and what the tooling looks like.

Discover SQLAlchemy: A Beginner Tutorial With Examples

In this SQLAlchemy tutorial, you will learn to access and run SQL queries on all types of relational databases using Python objects.

Projects & Code

matrix-webcam: Video Conference From Within the Matrix


DocArray: Nested, Unstructured Data


awesome-diagramming: List of Diagram Tools for Software


semantic-python-overview: List of Semantic Technologies


Django Consistency Model

GITHUB.COM/OCCIPITAL • Shared by Alex Liabakh


Smart Iterator Challenge (Week 2)

October 8 to October 17, 2022

PyCon MEA @ Global DevSlam 2022

October 10 to October 14, 2022

Weekly Real Python Office Hours Q&A (Virtual)

October 12, 2022

PyCon Ghana 2022

October 13 to October 16, 2022

PyCon ZA 2022

October 13 to October 15, 2022

PyCon JP 2022

October 14 to October 17, 2022

Happy Pythoning!
This was PyCoder’s Weekly Issue #546.
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