| | | | How We Optimized Python API Server Code 100x
Tricks we used to speed up calls to our analytical API written in Python: asyncio, SQLAlchemy, asyncpg, Cython plugins, improved data structures, and replaced some Pandas with NumPy.
VADIM MARKOVTSEV • Shared by Vadim Markovtsev
Providing Multiple Constructors in Your Python Classes
Learn how to provide multiple constructors in your Python classes, including: checking argument types, using default argument values, writing class methods, and implementing single-dispatch methods.
REAL PYTHON
How to Quickly Label Data for Machine Learning
 With Toloka, you can control the accuracy and speed of data labeling to develop high performing ML models. Our platform supports annotation for image classification, semantic segmentation, object detection, named entity recognition, sentiment analysis, speech recognition, text classification →
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Dockerizing Django With Postgres, Gunicorn, and Nginx
Tutorial on configuring Django to run on Docker using Postgres, Nginx, and Gunicorn. All the ins-and-outs of Django in production.
MICHAEL HERMAN
PEP 654 Accepted: Exception Groups
New standard for grouping exceptions together
PYTHON.ORG
PSF Is Hiring to Build PyPI Features
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Discussions
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Articles & Tutorials
The Internals of Python’s functools.wraps Decorator
The functools.wraps decorator keeps your function’s identity intact after it’s been wrapped by a decorator. Ever wondered how it works?
REDOWAN DELOWAR
Drawing Fractals and Working With a Weather API
Have you been wanting to explore fractals and complex numbers in Python? Would you like to practice working with APIs in Python through a new project? This week on the show, Christopher Trudeau discusses a fresh batch of PyCoder’s Weekly articles and projects.
REAL PYTHON podcast
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10 Tools I Wish I Knew When I Started Working With Python
Learn about how venvs, flake8, black, isort, pytest, commitizen, semantic-release, pre-commit hooks, and Github Actions work together!
KEVIN YLU
Why Can’t You Reverse a String With a Flag Emoji?
What’s the output of "🇺🇸"[::-1]? A deep dive into the world of Unicode and how Python reverses strings.
DAVID AMOS • Shared by David Amos
Understanding Attributes, Dicts and Slots in Python
Python classes can have arbitrary attributes. How are they stored and how do they impact performance?
BAS STEINS
A Tour of Python’s itertools Library
Tour Python’s itertools module and learn about cycle(), groupby(), chain(), and more.
MIKE DRISCOLL
The Developer / Product Team Notification Template Problem
Notifications are hard. They require infrastructure that is reliable, scalable and observable as well as an end user experience that is helpful and respectful. That’s why we built Courier.
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Futures and Easy Parallelisation
“Futures are a convenient abstraction in Python for running tasks in the background.”
JAIME BUELTA
Bite-Sized Refactoring
Wye refactoring your code is important and hints on what to look for.
RODRIGO GIRÃO SERRÃO
Validate Email Addresses in Python With Email-Validator
Using the email-validator library to validate an email address
DIMITRIJE STAMENIC
Projects & Code
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DevToys: Windows Based Dev Tool; JSON Formatting, Text Comparison, Regexes…
DEVTOYS.APP • Shared by Ian Currie
spyql: Command Line Data Query Data Tool Using SQL-like SELECT and Python Expressions
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ssort: Python Statement Sorting, Organize Your Code
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Lurnby: Active Reading and Personal Knowledge Management
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tsfel: Time Series Feature Extraction Library
GITHUB.COM/FRAUNHOFERPORTUGAL
pz: Use Python on the Command Line With Other Shell Commands
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nvelope: Use Python Dataclasses to Define a JSON Schema
GITHUB.COM/MONOMONEDULA • Shared by Eddy G.
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