rhodochrosite 25.0.1

Ruby marshal and unmarshal library

Rhodochrosite is a Python 3.13+ library for loading and saving objects in the Ruby marshal format.

Usage

Use rhodochrosite.read_object:

from rhodochrosite import read_object

print(read_object(b'\x04\b"\babc'))

For custom objects, use MarshalReader:

from rhodochrosite import MarshalReader, RubySymbol

data = MarshalReader.from_bytes(...)
data.object_factories[RubySymbol("MyType")] = _make_my_type
my_object = data.next_object()

Format support

Rhodochrosite supports all known features of Ruby’s Marshal format, up to Ruby 3.4. Object links are supported when reading, but not when writing; this has no practical affect other than some written files being larger than their input size.