wthen

A simple rule engine with YAML format


Keywords
rule engine
License
MIT
Install
pip install wthen==0.1.2

Documentation

wthen

Wthen is a simple rule engine in Python, it is allowed to extract rules outside the program, but it's not business oriented. That means it is for developer or those whose are able to program with Python The name came from our daily speaking, when condition matched, then actions will be taken.

It leverages YAML to provide an easy understanding rule format. The conditions (When) are evalated by Python eval(). The actions (Then) are executed by Python exec()

Quick Example

  • Given scinario:
    • When a (=2) > b (=1)
    • Then 2 > 1 is printed out code:yaml rules:
    • rule: