Name: Zero-Drama Upgrades: Real-World Tactics for Major Python Migrations
Uploaded: 2025-07-26T10:00:00.000Z
Duration: 30 min
Channel: Alejandro Cabello Jiménez
Description: This talk at EuroPython 2025 shows the path for a large Python migration, over 100 repositories at TravelPerk from Pydantic V1 to V2. It covers strategies for handling breaking changes, refactoring codebases, testing safely, and unlocking performance improvements.

2025

Coming Soon

PyConES 2025

Python on Serverless: Pragmatic Hacks for Peak Performance (ES)

September 3, 2025 • Seville, Spain

Excited to announce that I’ll be speaking at PyConES 2025 in Seville together with my colleague Alberto Maldonado!

Python

Conferences

Serverless
EuroPython 2025

Zero-Drama Upgrades: Real-World Tactics for Major Python Migrations

July 26, 2025 • Prague, Czech Republic

This talk at EuroPython 2025 shows the path for a large Python migration, over 100 repositories at TravelPerk from Pydantic V1 to V2. It covers strategies for handling breaking changes, refactoring codebases, testing safely, and unlocking performance improvements.

Python

Conferences

Pydantic

2024

PyConES 2024

Smooth Migration: Upgrading a Large Codebase to Pydantic V2

October 6, 2024 • Vigo, Spain

This talk at PyConES 2024, explores the process of migrating a large-scale codebase from Pydantic V1 to V2. It covers practical migration strategies, managing breaking changes, and optimizing the transition to ensure backward compatibility and improved performance.

Python

Conferences

Pydantic

2025

PyConES 2025

EuroPython 2025

2024

PyConES 2024