Hi, Done for the night. Here is PythonStringGraphTraversal.
https://gist.github.com/okram/4705fed038dde673f4c5323416899992 ??? Cool? Marko. http://markorodriguez.com On Apr 19, 2016, at 4:28 PM, Marko Rodriguez <okramma...@gmail.com> wrote: > Hi, > > So I "learned" Python and am able to do a Python class wrapper around > GraphTraversal. > > https://gist.github.com/okram/1a0c5f6b65a4b70c558537e5eeaad429 > > Its crazy, it "just works" -- with __ static methods and all. > > The reason I wanted to create a wrapper is because I want to use > Python-specific language constructs and not only Gremlin-Java. What those > specific language constructs are, I don't know as I don't know Python :). > Moreover, this shell of a wrapper will be used for the JNI and String > construction models. Right? > > >>> g = PythonGraphTraversalSource(graph) > >>> g > graphtraversalsource[tinkergraph[vertices:6 edges:6], standard] > >>> g.V() > [GraphStep(vertex,[])] > >>> g.V().toList() > [v[1], v[2], v[3], v[4], v[5], v[6]] > >>> g.V().where(__.out("created")).values("name").toList() > [marko, josh, peter] > >>> > > Even valueMap() which takes var args of different types works. > > >>> g.V().valueMap() > [GraphStep(vertex,[]), PropertyMapStep(value)] > >>> g.V().valueMap().toList() > [{name=[marko], age=[29]}, {name=[vadas], age=[27]}, {name=[lop], > lang=[java]}, {name=[josh], age=[32]}, {name=[ripple], lang=[java]}, > {name=[peter], age=[35]}] > >>> g.V().valueMap("name").toList() > [{name=[marko]}, {name=[vadas]}, {name=[lop]}, {name=[josh]}, > {name=[ripple]}, {name=[peter]}] > >>> g.V().valueMap(True,"name").toList() > [{label=person, name=[marko], id=1}, {label=person, name=[vadas], id=2}, > {label=software, name=[lop], id=3}, {label=person, name=[josh], id=4}, > {label=software, name=[ripple], id=5}, {label=person, name=[peter], id=6}] > >>> > > Easy peasy lemon squeezy or is there something fundamental I'm missing? > > Marko. > > http://markorodriguez.com > > On Apr 19, 2016, at 2:58 PM, Marko Rodriguez <okramma...@gmail.com> wrote: > >> Hi, >> >> So I downloaded and installed Jython 2.7.0. >> >> This how easy it was to get Gremlin working in Jython. >> >> import sys >> sys.path.append("/Users/marko/software/tinkerpop/tinkerpop3/gremlin-console/target/apache-gremlin-console-3.2.1-SNAPSHOT-standalone/lib/commons-codec-1.9.jar") >> sys.path.append("/Users/marko/software/tinkerpop/tinkerpop3/gremlin-console/target/apache-gremlin-console-3.2.1-SNAPSHOT-standalone/lib/commons-configuration-1.10.jar") >> … lots of jars to add >> sys.path.append("/Users/marko/software/tinkerpop/tinkerpop3/gremlin-console/target/apache-gremlin-console-3.2.1-SNAPSHOT-standalone/ext/tinkergraph-gremlin/lib/tinkergraph-gremlin-3.2.1-SNAPSHOT.jar") >> >> from org.apache.tinkerpop.gremlin.tinkergraph.structure import TinkerFactory >> graph = TinkerFactory.createModern() >> g = graph.traversal() >> g >> g.V().hasLabel("person").out("knows").out("created") >> g.V().hasLabel("person").out("knows").out("created").toList() >> >> Then, the output looks like this: >> >> >>> from org.apache.tinkerpop.gremlin.tinkergraph.structure import >> >>> TinkerFactory >> >>> graph = TinkerFactory.createModern() >> >>> g = graph.traversal() >> >>> g >> graphtraversalsource[tinkergraph[vertices:6 edges:6], standard] >> >>> g.V().hasLabel("person").out("knows").out("created") >> [GraphStep(vertex,[]), HasStep([~label.eq(person)]), >> VertexStep(OUT,[knows],vertex), VertexStep(OUT,[created],vertex)] >> >>> g.V().hasLabel("person").out("knows").out("created").toList() >> [v[5], v[3]] >> >> Note that, of course, Jython's command line doesn't auto-iterate traversals. >> Besides that -- sheez, that was simple. >> >> The trick now is to use Jython idioms to make Gremlin-Jython be comfortable >> to Python users… >> >> Marko. >> >> http://markorodriguez.com >> >> On Apr 19, 2016, at 11:43 AM, Marko Rodriguez <okramma...@gmail.com> wrote: >> >>> Hi, >>> >>> So I just pushed: >>> >>> https://git1-us-west.apache.org/repos/asf?p=incubator-tinkerpop.git;a=commitdiff;h=0beae616 >>> >>> This should help provide the scaffolding for the tutorial. Given that I >>> know nothing about Python, I think my contributions start to fall off >>> significantly here. :) … Well, I can help and write more text, I just don't >>> know how to use Jython, Python idioms, Gremlinpy, etc….. >>> >>> @Mark/Dylan: If you want to build the tutorial and look at it, you simple >>> do: >>> >>> $ bin/process-docs.sh --dryRun >>> >>> And then for me, the URI to which I point my browser for the index.html on >>> my local computer is: >>> >>> >>> file:///Users/marko/software/tinkerpop/tinkerpop3/target/docs/htmlsingle/tutorials/gremlin-language-variants/index.html >>> >>> Marko. >>> >>> http://markorodriguez.com >>> >>> On Apr 19, 2016, at 9:16 AM, Marko Rodriguez <okramma...@gmail.com> wrote: >>> >>>> Hello (NOTE: I dropped gremlin-users@), >>>> >>>> Thank you Stephen. Its crazy how simple that is :D. >>>> https://twitter.com/apachetinkerpop/status/722432843360546816 >>>> >>>> So Mark, now your fork's TINKERPOP-1232/ branch and >>>> https://github.com/apache/incubator-tinkerpop/tree/TINKERPOP-1232 exist >>>> and we can keep them sync'd accordingly as we develop this tutorial. When >>>> we feel that the tutorial is ready for primetime, we will issue a PR to >>>> have it merged into tp31/ (and thus, up merged to master/). >>>> >>>> Where do we go from here? I think this is a good opportunity to work both >>>> on Gremlinpy and the tutorial. Can we make Gremlinpy as true to the spirit >>>> of "host language embedding" as possible? In doing so, can we explain how >>>> we did it so other language providers can learn the best practices? >>>> >>>> In the tutorial we have 3 models we want to promote: >>>> >>>> 1. Jython >>>> 2. Python JINI >>>> 3. Python String >>>> >>>> (1) is easy to knock off. In fact, we should ask Michael Pollmeier for >>>> advice here given his work on Gremlin-Scala. (2) -- ?? do you know how do >>>> this? If so, it should be only fairly more difficult than (1). Finally, >>>> (3) is the big win and where I think most of the work both in the tutorial >>>> and in Gremlinpy will happen. >>>> >>>> How do you propose we proceed? >>>> >>>> Thank you, >>>> Marko. >>>> >>>> http://markorodriguez.com >>>> >>>> On Apr 19, 2016, at 8:24 AM, Stephen Mallette <spmalle...@gmail.com> wrote: >>>> >>>>> ok - done: >>>>> https://github.com/apache/incubator-tinkerpop/tree/TINKERPOP-1232 >>>>> >>>>> On Tue, Apr 19, 2016 at 9:41 AM, Marko Rodriguez <okramma...@gmail.com> >>>>> wrote: >>>>> Hello, >>>>> >>>>> *** Mark, if you are not on dev@tinkerpop, I would recommend joining that >>>>> as I will drop gremlin-users@ from communication on this ticket from here >>>>> on out. *** >>>>> >>>>> @Stephen: Mark forked the TinkerPop repository to his GitHub account. I >>>>> believe he gave you access as well as me. >>>>> >>>>> Can you create a new stub tutorial for Mark+Dylan+me? (Moving forward, I >>>>> will learn how to do it from your one commit). >>>>> >>>>> gremlin-language-variants/ >>>>> >>>>> After that Mark+Dylan+me will go to town on: >>>>> https://issues.apache.org/jira/browse/TINKERPOP-1232 >>>>> >>>>> Thank you, >>>>> Marko. >>>>> >>>>> http://markorodriguez.com >>>>> >>>>> Begin forwarded message: >>>>> >>>>>> From: Mark Henderson <nore...@github.com> >>>>>> Subject: emehrkay added you to incubator-tinkerpop >>>>>> Date: April 15, 2016 10:04:54 AM MDT >>>>>> To: "Marko A. Rodriguez" <okramma...@gmail.com> >>>>>> >>>>>> You can now push to this repository. >>>>>> >>>>>> --- >>>>>> View it on GitHub: >>>>>> https://github.com/emehrkay/incubator-tinkerpop >>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google Groups >>>>> "Gremlin-users" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send an >>>>> email to gremlin-users+unsubscr...@googlegroups.com. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/gremlin-users/18A7D2FD-B9B1-4DC9-980B-66A6A8F9C7C8%40gmail.com. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google Groups >>>>> "Gremlin-users" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send an >>>>> email to gremlin-users+unsubscr...@googlegroups.com. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/gremlin-users/CAA-H43990bN1xrtkL%2BWW4Z%3DKY-bhamBuunpzmYcqVxniyv3NOw%40mail.gmail.com. >>>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >> >
