DgraphAndWeaviateTest

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OsProject

OsProject
edit
id  DgraphAndWeaviateTest
owner  Wolfgang Fahl
title  DgraphAndWeaviateTest
url  https://github.com/WolfgangFahl/DgraphAndWeaviateTest
version  0.0.1
date  2020/08/05

This is sample project to test Python based storage with

The motivation for this project was the Choice of a Database storage system for the ProceedingsTitleParser

Installation and test

Prerequisites

  • python > version 3.6 - tested with version 3.6/3.7/3.8
  • docker e.g. docker desktop community - tested with e.g. docker desktop 2.3.0.4 Docker version 19.03.12
  • java e.g. openjdk - tested with Java 1.8 and Java 11
  • Operating system that can run bash scripts e.g. macports, linux - tested on Mac OS 10.13.6 Macports 2.6.2, Ubuntu 18.04 LTS

Installation

https://github.com/WolfgangFahl/DgraphAndWeaviateTest
cd DgraphAndWeaviateTest
scripts/install

Starting servers

see also DgraphAndWeaviateTest

# command to run Dgraph
# pull dgraph
scripts/dgraph -p
# run dgraph
scripts/dgraph
# pull and run weaviate
scripts/weaviate
# install apache jena and load example data
scripts/jena -l sampledata/example.ttl
# run apache jena fuseki server
scripts/jena -f example

Test

scripts/test

Sample Data

UML

Adobe SVG Viewer plugin (for Internet Explorer) or use Firefox, Opera or Safari instead.

Python

@staticmethod
    def getRoyals():
        listOfDicts=[
            {'name': 'Elizabeth Alexandra Mary Windsor', 'born': Sample.dob('1926-04-21'), 'numberInLine': 0, 'wikidataurl': 'https://www.wikidata.org/wiki/Q9682' },
            {'name': 'Charles, Prince of Wales',         'born': Sample.dob('1948-11-14'), 'numberInLine': 1, 'wikidataurl': 'https://www.wikidata.org/wiki/Q43274' },
            {'name': 'George of Cambridge',              'born': Sample.dob('2013-07-22'), 'numberInLine': 3, 'wikidataurl': 'https://www.wikidata.org/wiki/Q1359041'},
            {'name': 'Harry Duke of Sussex',             'born': Sample.dob('1984-09-15'), 'numberInLine': 6, 'wikidataurl': 'https://www.wikidata.org/wiki/Q152316'}
        ]
        today=date.today()
        for person in listOfDicts:
            born=person['born']
            age=(today - born).days / 365.2425
            person['age']=age
            person['ofAge']=age>=18
            person['lastmodified']=datetime.now()
        return listOfDicts

Weaviate

Weaviate start

scripts/weaviate

Dgraph

Dgraph Installation

docker based pull:

scripts/dgraph -p

Dgraph start

docker based start of

  • alpha
  • ratel
  • zero
scripts/dgraph

Dgraph stop

scripts/dgraph -k

scripts/dgraph usage

scripts/dgraph -h
scripts/dgraph [-b|--bash|-c|--clean|-h|--help|-k|--kill|-p|--pull]

-b | --bash: start a bash terminal shell within the currently running container
-h | --help: show this usage
-k | --kill: stop the docker image
-p | --pull: pull the docker image
-c | --clean: clean start with kill and purge of all data

Issues, Questions and Answers

Issues

Stackoverflow questions

Stackoverflow answers

Example unit tests

Example test session

see https://travis-ci.org/github/WolfgangFahl/DgraphAndWeaviateTest/jobs/715131236