UPDATE

R-MIGRATOR v1.1: Automated Utility for Migrating Legacy Mods to Ren'Py 8

2 min read
R-MIGRATOR v1.1 — Automated Legacy Mod Migration to Ren'Py 8

We have released an update for our migration toolkit — R-MIGRATOR v1.1, designed to simplify updating legacy mods and scripts from Ren’Py 7 to Ren’Py 8 / Python 3.

The tool is compiled with Cython for significantly higher performance compared to a pure Python implementation.

What’s New in v1.1

  • Automatic Unpacking of .rpa and .rpyc Archives: discovers and extracts compiled game scripts and archive assets before applying migration patches.
  • Critical Bug Fixes: addressed crashes and edge-case exceptions reported from the initial beta release.
  • Cython Compilation: substantially accelerated processing speed across large projects.

Key Features

  • Automated Syntax Conversion: fixes common Python 2 → 3 compatibility issues (print-statement → print(), except / raise syntax, xrange → range, has_key / iteritems, long, ur"", and backtick literals).
  • ATL Transform Fixes: resolves crashes caused by float/int type mismatches in transforms and random.randint.
  • Specialized DDLC Patches: targeted fixes for Doki Doki Literature Club mods (bytes/str issues, poem scripts, game script errors, and unicode() / basestring replacements).
  • Recursive Processing: automatically scans and handles the entire project directory tree.
  • Safe Patching: creates .bak backups next to every modified script before making changes.

The Interface

The UI features a subtle Literature Club theme, complete with a touch of “Monika energy” (Just Monika), intentional glitch aesthetics, and seamless dark and light mode support.

Current Status

This is a working build that addresses the majority of common migration hurdles. While it is not a “magic bullet” for every rare edge case (manual verification of custom scripts is still recommended), v1.1 saves hours of repetitive manual refactoring when updating old mods.