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json-schema-reducer

https://travis-ci.org/peterbe/json-schema-reducer.svg?branch=master

Extract from a JSON/dict only whats in the JSON Schema. Assumes that the JSON/dict you supply is valid according to the JSON Schema you also supply.

Installation

Simple install with pip:

pip install json-schema-reducer

How to use it

Suppose you have two files on disk: schema.json and mything.json. And suppose that the schema.json only lists the properties foo and bar but the file mything.json contains many more things:

>>> from json_schema_reducer import make_reduced_dict
>>> make_reduced_dict('schema.json', 'mything.json')
{'foo': 'value1', 'bar': 'value2'}

The arguments are flexible. You can also do this:

>>> make_reduced_dict(open('schema.json'), open('mything.json'))

Or this:

>>> make_reduced_dict(open('schema.json').read(), open('mything.json').read())

Or this:

>>> make_reduced_dict(
...   json.load(open('schema.json')),
...   json.load(open('mything.json')))

Runnings tests

Simply run:

python setup.py test

Version History

0.1.4
  • Universal wheel
0.1.3
  • Better, but basic, cli (e.g. --help)
  • Support for optional nested keys
0.1.2
  • Correct README restructured text
0.1.1
  • Tidying up loose ends
0.1.0
  • First, hopefully, working version.

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Extract from a JSON/dict ONLY whats in the JSON Schema

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