Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Preparing for the great snakes migration by Hea...

Avatar for Pycon ZA Pycon ZA
October 09, 2020
Programming
120
0

Preparing for the great snakes migration by Heather Williams

A Lightning Talk at PyCon ZA 2020

Avatar for Pycon ZA

Pycon ZA

October 09, 2020

More Decks by Pycon ZA

See All by Pycon ZA
Trio: Structured Concurrency for Python by Jeremy Thurgood
Avatar for Pycon ZA pyconza
0
290
Satellite Data and Super-Resolution to enhance a Slope Soaring Simulator by Schalk Heunis
Avatar for Pycon ZA pyconza
0
200
"Should we just go home on the third Friday afternoon?" by Kim van Wyk
Avatar for Pycon ZA pyconza
0
150
"Dolosse: Distributed Physics Data Acquisition System" by Bertram Losper & Sehlabaka Qhobosheane
Avatar for Pycon ZA pyconza
0
210
Modern JavaScript for Python Developers by Cory Zue
Avatar for Pycon ZA pyconza
0
360
Making Art with Python by Kirk Kaiser
Avatar for Pycon ZA pyconza
0
280
"Posits: A proposed new floating point number format for ML" by Kevin Colville
Avatar for Pycon ZA pyconza
0
180
"Building a label printer using Python, Arduino, duct tape and paperclips" by Johan Beyers
Avatar for Pycon ZA pyconza
0
350
"Building a simple Telegram bot using Python, Flask and Heroku" by Billy Einkamerer
Avatar for Pycon ZA pyconza
0
240

Other Decks in Programming

See All in Programming
[Dev Group Paris Octobre 26] Agentforce, SIforce, Claudeforce, Slackbot… on s'y retrouve ?
Avatar for Nathan Abondance nabondance
0
120
PyConTW 2026 - AI Coding 不只是工具升級, 區域醫院醫療資訊系統協作開發與資訊團隊轉型實踐
Avatar for Max Lai cclai999
0
210
TS 7.0 で baseUrl が使えなくなった今、パスエイリアスをどうするか
Avatar for おおいし bicstone
1
270
気持ちぃ〜角丸 Squircle
Avatar for ryu ryu1013
0
370
R8 の設定見直しでアプリサイズ削減
Avatar for ANDPAD inc andpad
0
240
Zero-Tap Sign-In対応、結局何をすればいいの？
Avatar for mitohato14 mitohato14
0
1.1k
最近”作らせてる” ローカルAIアプリの話
Avatar for ITO Akihiro akit37
0
520
golang-bob.pdf
Avatar for Yura Iwatsuka iwatsukayura
0
150
コーディング自動化の次へ。人の介入をゼロにするファクトリーとサポートAIによる実践
Avatar for Seiji Takahashi timakin
5
4.9k
学びを記事・スライド・Xへ高速展開する― AI-assisted Learning Loopで回すコンテンツ生成術
Avatar for Ochtum ochtum
0
170
當我們開始不讀 Code - AI Agent 時代，Code Review 與 Clean Code 還剩下什麼？
Avatar for James Wang jame2408
1
340
Vapor Mode でアクセシビリティは 壊れないか検証した話
Avatar for fuqda fuqda
1
270

Featured

See All Featured
The SEO Collaboration Effect
Avatar for Kristina Bergwall kristinabergwall1
1
610
How Fast Is Fast Enough? [PerfNow 2025]
Avatar for Tammy Everts tammyeverts
3
960
Visual Storytelling: How to be a Superhuman Communicator
Avatar for David Neal reverentgeek
2
730
We Are The Robots
Avatar for Honza Javorek honzajavorek
0
410
What's in a price? How to price your products and services
Avatar for Michael Herold michaelherold
247
13k
JavaScript: Past, Present, and Future - NDC Porto 2020
Avatar for David Neal reverentgeek
52
6.2k
職位にかかわらず全員がリーダーシップを発揮するチーム作り / Building a team where everyone can demonstrate leadership regardless of position
Avatar for MADOX madoxten
70
68k
Collaborative Software Design: How to facilitate domain modelling decisions
Avatar for Kenny Baas-Schwegler baasie
1
360
The Pragmatic Product Professional
Avatar for Laura Van Doore lauravandoore
37
7.5k
What Being in a Rock Band Can Teach Us About Real World SEO
Avatar for Ade Holder 427marketing
0
1.1k
Put a Button on it: Removing Barriers to Going Fast.
Avatar for kastner kastner
60
4.6k
The Language of Interfaces
Avatar for Des Traynor destraynor
162
27k

Transcript

  1. Great snakes migration Upgrading from python 2 to python 3

    By Heather Williams

  2. The Problem • A large codebase • Around 3 000

    python files used to generate questions on a website • Monolith disguised as microservices

  3. Solution: Walled gardens • Make the monolith a true monolith

    • Identify the real microservices • Docker all the things • Walled garden around the python files for questions

  4. Solution: automate it Python 2to3 is a great tool https://docs.python.org/3.0/library/2to3.html

  5. Solution: requirements files • Remove unnecessary dependencies • Upgrade out

    of date dependencies • Note what needs python 3 to upgrade

  6. Great snakes migration Take the plunge and do it!