def addMovieFieldReationship(movieNode, fieldString, fieldNodeIdList):
for fieldNodeId in fieldNodeIdList:
matcher = NodeMatcher(graph)
x = matcher.get(int(fieldNodeId))
rel = Relationship(movieNode, 'movie' + fieldString, x)
graph.create(rel)
def addUserFieldReationship(userNode, fieldString, fieldNodeIdList):
for fieldNodeId in fieldNodeIdList:
matcher = NodeMatcher(graph)
x = matcher.get(int(fieldNodeId))
rel = Relationship(userNode, fieldString + 'Preference', x)
graph.create(rel)
def get(self, id):
matcher = NodeMatcher(self.cli.graph)
return matcher.get(id)
from py2neo import Graph, NodeMatcher
import uuid
graph = Graph(password="******")
matcher = NodeMatcher(graph)
txn = graph.begin()
nodes = graph.run(
"MATCH (n) WHERE NOT n:Placeholder WITH COUNT(n) AS nodes RETURN nodes"
).data()[0]['nodes']
for i in range(nodes):
node = matcher.get(i)
if node is not None and node['id'] is None:
node['id'] = str(uuid.uuid4())
graph.push(node)
txn.commit()
def getEntityRelationbyEntity(self, value):
matcher = NodeMatcher(self.graph)
answer = matcher.get(
"MATCH (entity1) - [rel] -> (entity2) WHERE entity1.title = \"" +
value + "\" RETURN rel,entity2")
return answer
def find_by_id(id):
matcher = NodeMatcher(graph)
return matcher.get(int(id))
