DoJSON is a simple Pythonic JSON to JSON converter.

DoJSON is on PyPI so all you need is:

$ pip install dojson

Documentation is readable at https://dojson.readthedocs.io/ or it can be built using Sphinx:

$ pip install dojson[docs]
$ python setup.py build_sphinx

Running the test suite is as simple as:

$ python setup.py test

A simple example on how to convert MARCXML to JSON:

from dojson.contrib.marc21.utils import create_record, split_stream
from dojson.contrib.marc21 import marc21
[marc21.do(create_record(data)) for data in split_stream(open('/tmp/data.xml', 'r'))]