hopy 0.0.2

A high level language for predicate evaluation on JSON using JsonPath expressions

hopy

A high level language for predicate evaluation on JSON using JsonPath expressions

Getting started

Prerequisites

• python3.7+

Installation

• Install the package using pip.

  pip install hopy[jsonpath_ng]
  

Usage

from hopy.evaluator import HopyEvaluator

rule_payload = {
    "str": "Hello World!",
    "num": 1337,
    "float": 13.37,
    "nested": {
        "str": "Hello again!"
    }
}
rule = '`$.str` == "Hello World!" && (`$.num` == 1337 || `$.float` < 13) && f.in(f.lower(`$.nested.str`), "hello")'

rule_evaluator = HopyEvaluator(rule)
rule_evaluator.evaluate(rule_payload) # True

License

This project is licensed under the Apache License - see the LICENSE.md file for details

Acknowledgements

• Inspired from santanusinha/hope
• Default JsonPath implementation jsonpath-ng