#407 – FEBRUARY 11, 2020
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Understanding Best-Practice Python Tooling by Comparing Popular Project Templates
“Use Flake8, pytest, and Sphinx in your current Python project. Also evaluate pre-commit, black, and Pylint. For your next project, consider adding poetry and Dependabot.”
JONAS KEMPER
Playing and Recording Sound in Python
Learn about libraries that can be used for playing and recording sound in Python, such as PyAudio and python-sounddevice. You’ll also see code snippets for playing and recording sound files and arrays, as well as for converting between different sound file formats.
REAL PYTHON video
Automate & Standardize Code Reviews for Python
Take the hassle out of code reviews - Codacy flags errors automatically, directly from your Git workflow. Customize standards on coverage, duplication, complexity & style violations. Use in the cloud or on your servers for 30 different languages. Get started for free →
CODACY sponsor
Understand Group by in Django With SQL
Understand GROUP BY in Django ORM by comparing QuerySets and SQL side by side. If SQL is where you are most comfortable, this is the Django GROUP BY tutorial for you.
HAKI BENITA
TV Backlight Compensation With Python & Custom Shaders
Extending a broken TV’s lifetime with Python code and some custom shaders. Impressive!
PEKKA VÄÄNÄNEN
Applying Mypy to Real-World Projects
Hints and tips for getting started with Mypy and introducing it to existing projects.
CAL PATERSON
Discussions
Learn Python the NSA Way…
“I put in a FOIA request to the NSA for their Python training materials and got back a 400-page printout of their COMP 3321 training course. So, I scanned and OCR’d it. Here is a PDF (warning: 118 MB)”
TWITTER.COM/CHRIS_SWENSON
Python Jobs
Senior Software Engineer Python/Django (London, UK)
Python Developer (Malta)
Sr Software Engineer Backend (Denver, CO, USA)
Senior Software Developer (Vancouver, BC, Canada)
Articles & Tutorials
Create a macOS Menu Bar App With Python (Pomodoro Timer)
“On my Mac, I use the menu bar countless times per day. In this post we will go through the process of creating a custom macOS menu bar app using Python.”
CAMILLO VISINI • Shared by Camillo Visini
Implementing an Interface in Python
In this tutorial, you’ll explore how to use a Python interface. You’ll come to understand why interfaces are so useful and learn how to implement formal and informal interfaces in Python. You’ll also examine the differences between Python interfaces and those in other programming languages.
REAL PYTHON
Become a Python Guru With PyCharm
PyCharm is the Python IDE for Professional Developers by JetBrains providing a complete set of tools for productive Python, Web and scientific development. Be more productive and save time while PyCharm takes care of the routine →
JETBRAINS sponsor
SciPy 1.0: Fundamental Algorithms for Scientific Computing in Python
“In this work, we provide an overview of the capabilities and development practices of SciPy 1.0 and highlight some recent technical developments.”
NATURE.COM
Prevent Repetition With Assignment Expressions
An assignment expression—also known as the walrus operator—is a new syntax introduced in Python 3.8 to solve a long-standing problem with the language that can cause code duplication.
BRETT SLATKIN
Python Command Line Arguments
Python command line arguments are the key to converting your programs into useful and enticing tools that are ready to be used in the terminal of your operating system. In this step-by-step tutorial, you’ll learn their origins, standards, and basics, and how to implement them in your program.
REAL PYTHON
The Parallelism Blues: When Faster Code Is Slower
“As it turns out, for certain operations NumPy will parallelize operations transparently. And if you’re not careful, this can actually slow down your code.”
ITAMAR TURNER-TRAURING
sys.getsizeof Is Not What You Want
“sys.getsizeof is almost never what you want, for two reasons: it doesn’t count all the bytes, and it counts the wrong bytes.”
NED BATCHELDER
Python asyncio and await-ing Multiple Functions
How to call await on multiple functions in Python using the asyncio package.
ERIC URBAN
Projects & Code
Celery Director: Manage Tasks and Build Workflows Using Celery
GITHUB.COM/OVH • Shared by Nicolas Crocfer
Events
PyCon Namibia 2020
February 18 to February 21, 2020
PYCON.ORG
Open Source Festival Africa
February 20 to February 23, 2020
OSCAFRICA.ORG
PyCon Belarus 2020
February 21 to February 23, 2020
PYCON.ORG
Happy Pythoning!
This was PyCoder’s Weekly Issue #407.
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