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Digging Into PyScript & Preventing or Handling Python Errors

56 min • 24 juni 2022

Have you heard about PyScript? The brand-new framework has the community excited about building interactive Python applications that run entirely within the user’s browser. Would you like to dig into the details beyond the “Hello World” examples? This week on the show, Christopher Trudeau is here, bringing another batch of PyCoder’s Weekly articles and projects.

We talk about a Real Python tutorial from Bartosz Zaczyński about PyScript. The article provides an initial look at the framework and then takes you deep into the intricacies. We also share additional resources to help familiarize you with the project.

Christopher talks about another Real Python article, this one on how to approach managing errors in Python. The tutorial “LBYL vs EAFP: Preventing or Handling Errors in Python” is from frequent contributor Leodanis Pozo Ramos.

We cover several other articles and projects from the Python community, including discussing the PSF’s Python Developers Survey 2021 Results, Django static files and templates, how to profile Python code, a launcher for penetration testing, and a project for confirming Python versions through syntax errors.

Course Spotlight: Building a Django User Management System

In this video course, you’ll learn how to extend your Django application with a user management system, complete with email sending and third-party authentication.

Topics:

00:00:00 – Introduction
00:02:32 – LBYL vs EAFP: Preventing or Handling Errors in Python
00:08:38 – How To Profile Python Code
00:18:52 – Sponsor: CData Software
00:19:35 – Django Static Files and Templates
00:26:35 – A First Look at PyScript: Python in the Web Browser
00:38:20 – Video Course Spotlight
00:39:39 – Python Developers Survey 2021 Results
00:48:19 – python-syntax-errors: Version-Specific No-Ops
00:50:03 – arsenal: Inventory Launcher for Penetration Testing
00:55:03 – Thanks and goodbye

Topics Links:

LBYL vs EAFP: Preventing or Handling Errors in Python – In this tutorial, you’ll learn about two popular coding styles in Python: look before you leap (LBYL) and easier to ask forgiveness than permission (EAFP). You can use these styles to deal with errors and exceptional situations in your code. You’ll dive into the LBYL vs EAFP discussion in Python.
How To Profile Python Code – No matter how good you are, sometimes your code just runs slowly. Learning how to properly profile your software to identify and fix bottlenecks is a useful skill. This article talks about what you need to know to measure your code’s performance and how to use the cProfile, profile, and timeit libraries, along with others.
Django Static Files and Templates – “Static files like CSS, JavaScript, and fonts are a core piece of any modern web application. They are also typically confusing for Django newcomers since Django provides tremendous flexibility around how these files are used. This tutorial will demonstrate current best practices for configuring static files in both local development and production.”
A First Look at PyScript: Python in the Web Browser – In this tutorial, you’ll learn about PyScript, a new framework that allows for running Python in the web browser with few or no code modifications and excellent performance. You’ll leverage browser APIs and JavaScript libraries to build rich, highly interactive web applications with Python.

Discussion:

Projects:

Additional Links:

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