Python Graph.get_or_create_vertex Exemples

Exemple #1

    def test_no_constraints_filter_found_one_vertex(self):
        graph = Graph()
        graph.add_vertex("dog", name="rex")

        spot = graph.add_vertex("dog", name="spot")
        spot2 = graph.get_or_create_vertex("dog", name="spot")

        self.assertEqual(
            spot2,
            spot,
        )

Exemple #2

Fichier : test_database.py Projet : dudepare/ruruki

    def test_no_constraints_filter_found_one_vertex(self):
        graph = Graph()
        graph.add_vertex("dog", name="rex")

        spot = graph.add_vertex("dog", name="spot")
        spot2 = graph.get_or_create_vertex("dog", name="spot")

        self.assertEqual(
            spot2,
            spot,
        )

Exemple #3

Fichier : tutorial_books_demo.py Projet : jenmud/ruruki

from ruruki.graphs import Graph

# create a empty graph
graph = Graph()


# create some constraints to ensure uniqueness
graph.add_vertex_constraint("person", "name")
graph.add_vertex_constraint("book", "title")
graph.add_vertex_constraint("author", "fullname")
graph.add_vertex_constraint("category", "name")


# add in a couple books and their authors
# Note that I am duplicating the books title property as a name too. This is for ruruki-eye display
programming = graph.get_or_create_vertex("category", name="Programming")
operating_systems = graph.get_or_create_vertex("category", name="Operating Systems")


python_crash_course = graph.get_or_create_vertex("book", title="Python Crash Course")
graph.set_property(python_crash_course, name="Python Crash Course")
eric_matthes = graph.get_or_create_vertex("author", fullname="Eric Matthes", name="Eric", surname="Matthes")
graph.get_or_create_edge(python_crash_course, "CATEGORY", programming)
graph.get_or_create_edge(python_crash_course, "BY", eric_matthes)


python_pocket_ref = graph.get_or_create_vertex("book", title="Python Pocket Reference")
graph.set_property(python_pocket_ref, name="Python Pocket Reference")
mark_lutz = graph.get_or_create_vertex("author", fullname="Mark Lutz", name="Mark", surname="Lutz")
graph.get_or_create_edge(python_pocket_ref, "CATEGORY", programming)
graph.get_or_create_edge(python_pocket_ref, "BY", mark_lutz)

Exemple #4

#pylint: skip-file
from ruruki.graphs import Graph

# create a empty graph
graph = Graph()

# create some constraints to ensure uniqueness
graph.add_vertex_constraint("person", "name")
graph.add_vertex_constraint("book", "title")
graph.add_vertex_constraint("author", "fullname")
graph.add_vertex_constraint("category", "name")

# add in a couple books and their authors
# Note that I am duplicating the books title property as a name too. This is for ruruki-eye display
programming = graph.get_or_create_vertex("category", name="Programming")
operating_systems = graph.get_or_create_vertex("category",
                                               name="Operating Systems")

python_crash_course = graph.get_or_create_vertex("book",
                                                 title="Python Crash Course")
graph.set_property(python_crash_course, name="Python Crash Course")
eric_matthes = graph.get_or_create_vertex("author",
                                          fullname="Eric Matthes",
                                          name="Eric",
                                          surname="Matthes")
graph.get_or_create_edge(python_crash_course, "CATEGORY", programming)
graph.get_or_create_edge(python_crash_course, "BY", eric_matthes)

python_pocket_ref = graph.get_or_create_vertex("book",
                                               title="Python Pocket Reference")
graph.set_property(python_pocket_ref, name="Python Pocket Reference")