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From GitBox <...@apache.org>
Subject [GitHub] [tinkerpop] jorgebay commented on a change in pull request #1321: TINKERPOP-2392 Improved GLV starting docs
Date Wed, 02 Sep 2020 14:51:34 GMT

jorgebay commented on a change in pull request #1321:
URL: https://github.com/apache/tinkerpop/pull/1321#discussion_r482083923



##########
File path: gremlin-python/src/main/jython/README.rst
##########
@@ -54,8 +54,65 @@ remote graph:
     >>> g.V().both().name.toList()
     [lop, vadas, josh, marko, marko, josh, peter, ripple, lop, marko, josh, lop]
 
-Please see the `reference documentation <http://tinkerpop.apache.org/docs/current/reference/#gremlin-python>`_
-at Apache TinkerPop for more information on usage.
+-----------------
+Sample Traversals
+-----------------
+
+The Gremlin language allows users to write highly expressive graph traversals and has a broad
list of functions that
+cover a wide body of features. The `Reference Documentation <https://tinkerpop.apache.org/docs/current/reference/#graph-traversal-steps>`_
+describes these functions and other aspects of the TinkerPop ecosystem including some specifics
on
+`Gremlin in Python <https://tinkerpop.apache.org/docs/current/reference/#gremlin-python>`_
itself. Most of the
+examples found in the documentation use Groovy language syntax in the
+`Gremlin Console <https://tinkerpop.apache.org/docs/current/tutorials/the-gremlin-console/>`_.
+For the most part, these examples should generally translate to Python with
+`some modification <https://tinkerpop.apache.org/docs/current/reference/#gremlin-python-differences>`_.
Given the
+strong correspondence between canonical Gremlin in Java and its variants like Python, there
is a limited amount of
+Python-specific documentation and examples. This strong correspondence among variants ensures
that the general
+Gremlin reference documentation is applicable to all variants and that users moving between
development languages can
+easily adopt the Gremlin variant for that language.
+
+Create Vertex
+^^^^^^^^^^^^^
+
+.. code:: python
+
+    from gremlin_python.process.traversal import T
+    from gremlin_python.process.traversal import Cardinality
+
+    id = T.id
+    single = Cardinality.single
+
+    def create_vertex(self, vid, vlabel):
+        g.addV(vlabel).property(id, vid). \
+          property(single, 'name', 'Apache'). \
+          property('lastname', 'Tinkerpop'). \ # default database cardinality

Review comment:
       Comment block after line continuation character is not valid.




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