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# http://www.apache.org/licenses/LICENSE-2.0
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__author__ = 'Stephen Mallette (http://stephen.genoprime.com)'

from gremlin_python.structure.graph import Graph
from gremlin_python.process.graph_traversal import GraphTraversalSource
from gremlin_python.process.traversal import TraversalStrategies
from .. import statics

import warnings


class AnonymousTraversalSource(object):

    def __init__(self, traversal_source_class=GraphTraversalSource):
        self.traversal_source_class = traversal_source_class

    @classmethod
    def traversal(cls, traversal_source_class=GraphTraversalSource):
        return AnonymousTraversalSource(traversal_source_class)

    def withGraph(self, graph):
        warnings.warn(
            "gremlin_python.process.AnonymousTraversalSource.withGraph will be replaced by "
            "gremlin_python.process.AnonymousTraversalSource.with_graph.",
            DeprecationWarning)
        return self.with_graph(graph)

    def with_graph(self, graph):
        return self.traversal_source_class(graph, TraversalStrategies.global_cache[graph.__class__])

    def withRemote(self, remote_connection):
        warnings.warn(
            "gremlin_python.process.AnonymousTraversalSource.withRemote will be replaced by "
            "gremlin_python.process.AnonymousTraversalSource.with_remote.",
            DeprecationWarning)
        return self.with_remote(remote_connection)

    def with_remote(self, remote_connection):
        return self.with_graph(Graph()).with_remote(remote_connection)


def traversal(traversal_source_class=GraphTraversalSource):
    return AnonymousTraversalSource.traversal(traversal_source_class)


statics.add_static('traversal', traversal)
