isle/tools

LEGO Island Decompilation Tools

These are a set of Python tools for helping with the decomp project.

Installing

Use pip to install the required packages:

pip install -r tools/requirements.txt

Overview

• reccmp: Compares the original EXE or DLL with a recompiled EXE or DLL, provided a PDB file
• verexp: Verifies exports by comparing the exports of the original DLL and the recompiled DLL
• checkorder: Checks OFFSET declarations, ensuring they appear in ascending order within a unit
• isledecomp: A library that is used by the above scripts, it has a collection of useful classes and functions

Testing

isledecomp has a small suite of tests. Install pylint and run it, passing in the directory:

pip install pytest
pytest tools/isledecomp/tests/

Development

In order to keep the code clean and consistent, we use pylint and black:

pip install black pylint

Run pylint (ignores build and virtualenv):

pylint tools/ --ignore=build,bin,lib

Check code formatting without rewriting files:

black --check tools/

Apply code formatting:

black tools/