Hi! I am trying to parse some basic info from the schema via Python but I am probably doing something wrong. 

I can request the management info with the Client object in python:

I am not sure what you are up to and the API changes in remote connections may have confused you.

If you want to see the labels of all vertices in the graph (for janusgraph-0.6.x with gremlin_python-3.5.1):

from gremlin_python.process.anonymous_traversal import traversal
g = traversal().withRemote(DriverRemoteConnection('ws://localhost:8182/gremlin','g'))
g.V().label().toList

If you want to see the vertex labels that you defined in the JanusgGraph schema:

from gremlin_python.driver.client import Client
client = Client('ws://localhost:8182/gremlin', 'graph')
for line in client.submit("graph.openManagement().printSchema()").next():
    print(line)

Best wishes,    Marc

Hi Marc, 
Thank you for your reply. I would like to access this information only from the schema (my graph is empty now). Your second solution could work but it only prints the result. So to get the labels, I would need to extract them with some regex. 
However, I think I have found a solution.
It seems that python converts the object org.janusgraph.graphdb.types.VertexLabelVertex to gremlin_python.structure.graph.Vertex. I do not know if this is wanted or accidental  (for janusgraph-0.6.x with gremlin_python-3.5.1).
However, I can get a list of labels if I convert the labels to string before requesting the result to Python. 
For example
get_v_labels = mgmt + ".getVertexLabels().collect {a -> a.name()}"