Difference between revisions of "Pyjanusgraph"
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|title=Python janusgraph utility library | |title=Python janusgraph utility library | ||
|url=https://github.com/BITPlan/pyjanusgraph | |url=https://github.com/BITPlan/pyjanusgraph | ||
| − | |version=0.0. | + | |version=0.0.1a2 |
|date=2020/04/12 | |date=2020/04/12 | ||
|storemode=property | |storemode=property | ||
}} | }} | ||
| + | |||
= Motivation = | = Motivation = | ||
[https://janusgraph.org/ JanusGraph] is the first {{Link|target=Tinkerpop|title=Apache Tinkerpop}} graph database i could work with {{Link|target=Gremlin_python|title=Gremlin Python}}. | [https://janusgraph.org/ JanusGraph] is the first {{Link|target=Tinkerpop|title=Apache Tinkerpop}} graph database i could work with {{Link|target=Gremlin_python|title=Gremlin Python}}. | ||
| Line 17: | Line 18: | ||
= Installation = | = Installation = | ||
<source lang='bash'> | <source lang='bash'> | ||
| − | pip install | + | pip install pyjanusgraph |
</source> | </source> | ||
| + | |||
= Usage = | = Usage = | ||
First start your janusgraph server e.g. by using the docker command: | First start your janusgraph server e.g. by using the docker command: | ||
| Line 24: | Line 26: | ||
docker run --name jg -it -p 8182:8182 --mount source=/$HOME/graphdata,target=/graphdata,type=bind janusgraph/janusgraph | docker run --name jg -it -p 8182:8182 --mount source=/$HOME/graphdata,target=/graphdata,type=bind janusgraph/janusgraph | ||
</source> | </source> | ||
| + | == RemoteGremlin == | ||
| + | The [https://pyjanusgraph.readthedocs.io/en/latest/tp.html#tp.gremlin.RemoteGremlin RemoteGremlin] class provides a simplified | ||
| + | API to work with a remote Gremlin Server connection to JanusGraph. Optionally you may share data with an e.g docker based | ||
| + | Server by setting up a sharepoint. See [https://github.com/BITPlan/pyjanusgraph/issues/1 Issue #1] | ||
=== accessing a remote graph === | === accessing a remote graph === | ||
<source lang='python'> | <source lang='python'> | ||
| Line 48: | Line 54: | ||
rg.close() | rg.close() | ||
</source> | </source> | ||
| + | |||
| + | == TinkerPopAble == | ||
| + | see See [https://github.com/BITPlan/pyjanusgraph/issues/2 Issue #2] | ||
| + | == Example Projects == | ||
| + | * https://github.com/WolfgangFahl/jhuregionmapper | ||
= Links = | = Links = | ||
Latest revision as of 11:17, 13 April 2020
OsProject
| OsProject | |
|---|---|
 edit
| |
| id | pyjanusgraph |
| state | |
| owner | BITPlan |
| title | Python janusgraph utility library |
| url | https://github.com/BITPlan/pyjanusgraph |
| version | 0.0.1a2 |
| description | |
| date | 2020/04/12 |
| since | |
| until | |
Motivation
JanusGraph is the first Apache Tinkerpop graph database i could work with Gremlin Python.
pyjanusgraph shall make it easier to work with JanusGraph from Python
Installation
pip install pyjanusgraph
Usage
First start your janusgraph server e.g. by using the docker command:
docker run --name jg -it -p 8182:8182 --mount source=/$HOME/graphdata,target=/graphdata,type=bind janusgraph/janusgraph
RemoteGremlin
The RemoteGremlin class provides a simplified API to work with a remote Gremlin Server connection to JanusGraph. Optionally you may share data with an e.g docker based Server by setting up a sharepoint. See Issue #1
accessing a remote graph
from tp.gremlin import RemoteGremlin
import os
rg = RemoteGremlin()
g=rg.open()
vList = g.V().toList()
print ("found %d vertices" % (len(vList)))
rg.close()
sharing data
from tp.gremlin import RemoteGremlin
import os
rg = RemoteGremlin()
rg.setSharepoint(os.path.expanduser("~/graphdata"), "/graphdata/")
g=rg.open()
graphmlFile = "air-routes-small.xml";
shared = rg.share(graphmlPath)
g.io(shared).read().iterate()
vCount = g.V().count().next()
print ("%s has %d vertices" % (shared, vCount))
rg.close()
TinkerPopAble
see See Issue #2