match/case, Mutable Python Strings, Cleaning Text With Pandas, and More

#460 – FEBRUARY 16, 2021 VIEW IN BROWSER
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PEP 634: Structural Pattern Matching (match/case)
A few links related to PEP 634, which will add structural pattern matching to Python via a new match/case statement: PEP 634 (Specification), PEP 635 (Motivation and Rationale), PEP 636 (Tutorial & Examples)
PYTHON.ORG

Python Strings Are Immutable, but Only Sometimes
It turns out you can mutate a string in Python… sort of.
AUSTIN HENLEY

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Making a Difficult Data Analysis Question Easy With Pandas
A great strategy to use when faced with a tricky data analysis problem is to reshape the dataset into a format that turns it into an easy problem. In this article, you’ll look at an example involving a simple calculation and extensive reshaping in pandas.
MARTIN • Shared by Martin

Efficiently Cleaning Text With Pandas
In this article, you’ll see some examples of cleaning text fields in a large data file and learn several strategies for efficiently cleaning unstructured text fields using Python and pandas.
CHRIS MOFFITT

Building Rich Terminal Dashboards
Learn how to use the Rich CLI library’s new terminal dashboard feature.
WILL MCGUGAN

Python Microservices With gRPC
Learn how to build a robust and developer-friendly Python microservices infrastructure using gRPC and Kubernetes. You’ll also explore advanced topics such as interceptors and integration testing.
REAL PYTHON

Python 3.7.10 and 3.6.13 Security Updates Now Available
CPYTHON DEV BLOG


Discussions


The New match/case Statement Has People Talking
Numerous people opine on Twitter about the new match/case statement expected in Python 3.10. While some folks welcome the powerful new syntax, others lament the syntax bloat and potential for confusion they see in the new feature.
RUSSELL KEITH-MAGEE & BRANDON RHODES

Pattern Matching Accepted for Python
Discussion of last week’s acceptance of PEP 634.
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Articles & Tutorials


Python cryptography, Rust, and Gentoo
A recent update to the Python cryptography library, which has started replacing some of its C code with Rust, stirred up some controversy among users and library maintainers.
JAKE EDGE

Unraveling Python’s Syntax to Its Core With Brett Cannon
Brett is a Python core developer and he’s been working on a series of articles where he is unraveling the syntax of Python. His series is a fantastic resource for those wanting to learn how Python is structured and works at its core.
REAL PYTHON podcast

Python Tricks: A Buffet of Awesome Python Features
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The PEP 8 Song
A songification of that most holiest of Python Enhancement Proposals.
LEON SANDØY video

Pandas Sort: Your Guide to Sorting Data in Python
Learn how to sort data in a pandas DataFrame using the pandas sort functions sort_values() and sort_index().
REAL PYTHON

An Interesting Issue Around Using is With a Literal in Python
When you use is to compare a value to a literal, such as the empty string '', you’ll see a SyntaxWarning that tells you not to use is that way, but your code may still work as intended. Learn why your code still works, and why you really should heed the warning.
CHRIS SIEBENMANN

Creating PyQt Layouts for GUI Applications
In this step-by-step course, you’ll learn how to use PyQt layouts to arrange and manage the graphical components on your GUI applications. With the help of PyQt’s layout managers, you’ll be able to create polished and professional GUIs with minimal effort.
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Python “Tricks” I Can Not Live Without
Learn some fun and useful Python “tricks” that can help you write cleaner and more maintainable code.
SEBASTIAN OPAŁCZYŃSKI

Speeding Up Python Code With Nim
You need to speed up some Python code, but don’t know C and don’t have time to learn it. Enter Nim!
WULF

Adding Social Authentication to Flask
Learn how to add social authentication with GitHub and Twitter to a Flask application.
AMAL SHAJI • Shared by Amal Shaji

Earley Parser
Here’s an article for the computer science-minded folks. Learn how to create an Earley parser from scratch in Python, which allows you to use any context-free grammar to parse a string and recover all of the parse trees that correspond to the grammar from the generated parse forest. Heady stuff, I know!
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Projects & Code


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trustme: TLS Certs for the Discerning Tester
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sdf: Simple SDF Mesh Generation in Python
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Spokestack: Library for Voice Applications
GITHUB.COM/SPOKESTACK • Shared by Will Rice

NAVis: Neuron Analysis and Visualization
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geovoronoi: Create and Plot Voronoi Regions Inside Geographic Areas
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Python Integers Deep Dive, Friendly Tracebacks, Property-Based Testing, and More

Tuesday, February 9, 2021

How Python Integers Work #459 – FEBRUARY 9, 2021 VIEW IN BROWSER The PyCoder's Weekly Logo How Python Integers Work Python's integer datatype is pretty different from most other languages

pandas Memory Explosions, Python Performance, a Case Against OOP, and More

Tuesday, February 2, 2021

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Automating Excel, Tracing the Python GIL, Python for Non-Developers, and More

Tuesday, January 19, 2021

Automating Excel File Creation and Distribution With Pandas And Outlook #456 – JANUARY 19, 2021 VIEW IN BROWSER The PyCoder's Weekly Logo Automating Excel File Creation and Distribution With Pandas

Pythonic Exercises, FastAPI App Structure, Data Visualization With Dash, and More

Tuesday, January 12, 2021

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Tuesday, January 5, 2021

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