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SemVer Won't Save You, Python Flies on Mars, Automated TPS Reports, and More

#462 – MARCH 2, 2021 VIEW IN BROWSER
The PyCoder’s Weekly Logo
Semantic Versioning Will Not Save You
Semantic versioning aims to both communicate the version of software as well as promise that certain versions won’t break anything. Sounds great, right? In a lot of cases it is, but a blind reliance on semantic versioning can come back to haunt you.
HYNEK SCHLAWACK

Python and MongoDB: Connecting to NoSQL Databases
Learn how to use Python to interface with the NoSQL database system MongoDB. You’ll get an overview of the differences between SQL and NoSQL, and you’ll also learn about related tools, including PyMongo and MongoEngine.
REAL PYTHON

Automate Python Profiling and Performance Testing
Performance is a feature, make sure it is tested as such. Integrate performance testing in CI/CD. Validate production deploys. Run tests upon any event. Blackfire offers a robust way to run test scenarios and validate code changes, automatically. Discover Blackfire Builds now. Free 15 days trial →
BLACKFIREsponsor

Generate Customizable PDF Reports With Python
Learn how to generate custom PDF reports using reportlab and pdfrw with a PyQt GUI.
MARTIN FITZPATRICK

Python Is Running on the Mars Helicopter
NASA.GITHUB.IO

Python 3.10.0a6 Is Now Available for Testing
Now including structural pattern matching!
CPYTHON DEV BLOG

Arrow 1.0.0 Released
ARROW.READTHEDOCS.IO

Python Developers Survey 2020 Results
JETBRAINS.COM

Happy Anniversary to Python and the Python Software Foundation!
PYTHON SOFTWARE FOUNDATION


Discussions


In Python’s near future, indexing may support keyword arguments
For example, you could do matrix[row=20, col=40]. Read more about it in PEP 637.
RAYMOND HETTINGER

Spyder Is an Underrated IDE
REDDIT

What Does the += Operator Return in Python?
STACK OVERFLOW


Python Jobs


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Senior Backend Developer (Berlin, Germany)
ORDERBIRD AG

Advanced Python Engineer (Newport Beach, CA, USA)
RESEARCH AFFILIATES

Python Tutorial Authors Wanted (Remote)
REAL PYTHON

Full-Stack Django Developer (Oslo, Norway)
UNIFAI

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Articles & Tutorials


Navigating Namespaces and Scope in Python
Learn about Python namespaces, the structures used to store and organize the symbolic names created during the execution of a Python program. You’ll learn when namespaces are created, how they are implemented, and how they define variable scope.
REAL PYTHON course

Friendly-traceback: Testing With Real Python
See how friendly-traceback improves syntax error reporting by comparing the output from friendly-traceback with examples in the Real Python tutorial Invalid Syntax in Python: Common Reasons for SyntaxError.
ANDRÉ ROBERGE

Free SQL 101 Workshop with Metis
Register to attend Metis’s next One Hour at Bootcamp workshop on March 3rd at 6pm ET! Our data science team will teach you the core components of SQL queries and how to write moderately complex SQL queries to aggregate data →
METISsponsor

The Challenges of Developing Into a Python Professional
What’s the difference between writing code for yourself and developing for others? What new considerations do you need to take into account as a professional Python developer? This week on the show, we talk to Dane Hillard about his book “Practices of the Python Pro”.
REAL PYTHON podcast

Brython: Python in Your Browser
Learn how to use Brython to run Python code in the browser. Although most front-end web applications are written in JavaScript, you can use Brython to access JavaScript libraries and APIs and deploy Python-based applications to the web.
REAL PYTHON

Make Tests a Part of Your App
Have you ever written a test that re-implements a library-specific case? What if that test was just a part of the library code? See how tightly integrating tests into your library code can save users time and help them find bugs.
NIKITA SOBOLEV

Spend Less Time Debugging and More Time Building with Scout APM
Scout APM uses tracing logic to tie bottlenecks to source code to help developers identify and resolve performance issues at only $39 a month! Start your free 14-day trial today and we’ll donate $5 to the OSS project of your choice when you deploy!
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Efficient Postgres Full Text Search in Django
Learn how to optimize a Full Text Search implementation with Django and Postgres. Even on a small table, you can reduce the query execution time from 0.045 seconds to 0.001 seconds!
ADEYINKA ADEGBENRO • Shared by Manuel Weiss

Profiling Python code with line_profiler
Use line_profiler to see line-level execution time for your python code. It may surprise you where your code is slow and what it takes to speed it up!
MATT WRIGHT


Projects & Code


Brought to you by Real Python for Teamssponsor
Online Python training created by a community of experts. Give your team the real-world Python skills they need to succeed →

fprime: A Flight Software and Embedded Systems Framework
GITHUB.COM/NASA

arrow: Better Dates and Times for Python
GITHUB.COM/ARROW-PY

dnc: CLI Tool to Check Domain Names Configuration
GITHUB.COM/FCAMBUS

Gradient-Free-Optimizers: Simple and Reliable Optimization in Numerical Search Spaces
GITHUB.COM/SIMONBLANKE

line_profiler: Line-by-Line Profiling for Python
GITHUB.COM/PYUTILS

absolufy-imports: Automatically Convert Your Relative Imports to Absolute
GITHUB.COM/MARCOGORELLI • Shared by Marco Gorelli

django-reversion-compare: Compare/Diff View for Django-Reversion Revisions
GITHUB.COM/JEDIE

NBShare: Share Your Python Notebooks
NBSHARE.IO • Shared by John Ludhi

📆🐍 Upcoming Python Events


⋅ Real Python Office Hours (Virtual) March 3, 2020

⋅ Python Web Conference 2021 (Virtual) March 22 – 26, 2021

⋅ PyCon Israel 2021 (Virtual) May 2 – 3, 2021

⋅ PyCon 2021 (Virtual) May 12 – 18, 2021

⋅ DjangoCon Europe 2021 (Virtual) June 2 – 6, 2021
Happy Pythoning!
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Python Turns 30, Concurrency is Tricky, You Should Upgrade pip, and More

Tuesday, February 23, 2021

Python Concurrency: The Tricky Bits #461 – FEBRUARY 23, 2021 VIEW IN BROWSER The PyCoder's Weekly Logo Python Concurrency: The Tricky Bits An exploration of threads, processes, and coroutines in

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

Tuesday, February 16, 2021

PEP 634: Structural Pattern Matching (`match`/`case`) #460 – FEBRUARY 16, 2021 VIEW IN BROWSER The PyCoder's Weekly Logo PEP 634: Structural Pattern Matching ( match / case ) A few links related to

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

Finding and Fixing an Unexpected Memory Explosion in Pandas #458 – FEBRUARY 2, 2021 VIEW IN BROWSER The PyCoder's Weekly Logo Finding and Fixing an Unexpected Memory Explosion in Pandas Storing

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

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