Python · Code migrations

Measures a code port between languages or frameworks with jscpd's function-level comparison, porting tests before code and tracking what is left unmatched.

kucherenko/jscpd

Converts RStudio Python Selenium electron tests into TypeScript Playwright tests, checking each against a live RStudio before counting it as migrated.

rstudio/rstudio

Upgrades a Python standard library module from CPython into RustPython with update_lib, then triages and marks the tests that still fail.

RustPython/RustPython

Run a large-scale language migration with the six-step process: create the map and the rules, stress-test the rules, translate everything, compile, run it, match behavior.

anthropics/code-migration-kit-with-claude-code

Forward-ports or backports a single PR or branch onto the currently checked-out Saleor branch, handling GraphQL version markers and migration numbering along the way.

saleor/saleor

Use ast-grep for Python structural code exploration, mechanical codemods, and rule maintenance in this repo.

banteg/crimson

Migrates Python LangChain Deep Agents applications to Pydantic AI and Pydantic AI Harness while preserving the application's observed behavior.

pydantic/pydantic-ai

Automatically migrate Python web applications between frameworks (Flask → FastAPI, Django → FastAPI).

ArabelaTso/Skills-4-SE

A skill your agent uses when migrating a Frappe app between major versions, detecting breaking API changes, or resolving post-migration errors.

Impertio-Studio/Frappe_Claude_Skill_Package

A skill your agent uses when upgrading Frappe/ERPNext between major versions (v14 to v15, v15 to v16), troubleshooting failed migrations, or planning rollback.

Impertio-Studio/Frappe_Claude_Skill_Package

Identify and replace deprecated API usage in source code with modern alternatives.

ArabelaTso/Skills-4-SE

Manage Documenso API version upgrades and SDK migrations. An agent skill from jeremylongshore/tons-of-skills-marketplace.

jeremylongshore/tons-of-skills-marketplace

Migrate a LangChain 0.3.x Python codebase to LangChain 1.0 / LangGraph 1.0 without breaking production — named breaking changes, codemod patterns, and a phased rollout.

jeremylongshore/tons-of-skills-marketplace

Upgrade Sentry SDK versions and migrate breaking API changes.

jeremylongshore/tons-of-skills-marketplace

Upgrade Supabase SDK and CLI versions with breaking-change detection and automated code migration.

jeremylongshore/tons-of-skills-marketplace