hyperon-das 0.1.4

Query Engine API for Distributed AtomSpace

Hyperon DAS

Query Engine API for Distributed AtomSpace and Pattern Matcher.

Installation

This packaage requires python >= 3.8.5 to run.

pip install hyperon-das

Prepare environment

1. Redis and MongoDB You must have Redis and MongoDB running in your environment 2. Environments Variables You must have the following variables set in your environment with their respective values:

DAS_MONGODB_HOSTNAME=172.17.0.2
DAS_MONGODB_PORT=27017
DAS_MONGODB_USERNAME=mongo
DAS_MONGODB_PASSWORD=mongo
DAS_REDIS_HOSTNAME=127.0.0.1
DAS_REDIS_PORT=6379

Usage

Create a client API

from hyperon_das import DasAPI

api_client = DasAPI('redis_mongo')

Example

from hyperon_das.pattern_matcher import And, Variable, Link

V1 = Variable("V1")
V2 = Variable("V2")
V3 = Variable("V3")

expression = And([
    Link("Inheritance", ordered=True, targets=[V1, V2]),
    Link("Inheritance", ordered=True, targets=[V2, V3])
])

resp = api_client.query(expression)

print(resp)

{{'V1': 'a1fb3a4de5c459bfa4bd87dc423019c3', 'V2': '98870929d76a80c618e70a0393055b31', 'V3': '81ec21b0f1b03e18c55e056a56179fef'}, {'V1': 'bd497eb24420dd50fed5f3d2e6cdd7c1', 'V2': '98870929d76a80c618e70a0393055b31', 'V3': '81ec21b0f1b03e18c55e056a56179fef'}, {'V1': 'e2d9b15ab3461228d75502e754137caa', 'V2': 'c90242e2dbece101813762cc2a83d726', 'V3': '81ec21b0f1b03e18c55e056a56179fef'}, {'V1': 'd1ec11ec366a1deb24a079dc39863c68', 'V2': 'c90242e2dbece101813762cc2a83d726', 'V3': '81ec21b0f1b03e18c55e056a56179fef'}, {'V1': 'fa77994f6835fad256902605a506c59c', 'V2': '98870929d76a80c618e70a0393055b31', 'V3': '81ec21b0f1b03e18c55e056a56179fef'}, {'V1': 'c77b519f8ab36dfea8e2a532a7603d9a', 'V2': 'd1ec11ec366a1deb24a079dc39863c68', 'V3': 'c90242e2dbece101813762cc2a83d726'}, {'V1': '305e7d502a0ce80b94374ff0d79a6464', 'V2': '98870929d76a80c618e70a0393055b31', 'V3': '81ec21b0f1b03e18c55e056a56179fef'}}