def __init__(self):
'''
initializes:
1. graph database connection
2. datastore connection
3. graph database indices required
4. url and templates for interaction with the graph database REST API
'''
Util.__init__(self)
if os.environ.get('NEO4J_URL'):
graph_db_url = urlparse(os.environ.get('NEO4J_URL'))
neo4j.authenticate(
"{host}:{port}".format(host = graph_db_url.hostname, port = graph_db_url.port),
graph_db_url.username, graph_db_url.password
)
self.graphdb = neo4j.GraphDatabaseService(
'http://{host}:{port}/db/data'.format(host = graph_db_url.hostname, port = graph_db_url.port)
)
else:
self.graphdb = neo4j.GraphDatabaseService()
self.node_index = self.graphdb.get_or_create_index(neo4j.Node, 'NODE')
self.disambiguation_index = self.graphdb.get_or_create_index(neo4j.Node, self.DISAMBIGUATION)
self._url = lambda present_node: 'http://localhost:7474/db/data/node/{0}'.format(present_node)
self._template = lambda target_node: {
"to" : self._url(target_node),
"relationships": {
"type": "sibling"
},
"cost_property": "weight",
"algorithm" : "dijkstra"
}
self.DataM = RelDataStore()
def __init__(self):
Util.__init__(self)
self.fdb = FastDataStore()
if os.environ.get('NEO4J_URL'):
graph_db_url = urlparse(os.environ.get('NEO4J_URL'))
neo4j.authenticate(
"{host}:{port}".format(host = graph_db_url.hostname, port = graph_db_url.port),
graph_db_url.username, graph_db_url.password
)
self.graphdb = neo4j.GraphDatabaseService(
'http://{host}:{port}/db/data'.format(host = graph_db_url.hostname, port = graph_db_url.port)
)
else:
self.graphdb = neo4j.GraphDatabaseService()
#self.graphdb.clear()
#print "cleared database!"
self.rel_key = "REL_CREATED"
self.node_key = "NODE_CREATED"
self.max_tries = 5
self.BATCH_LIM = 50
self.counter = 0
self.node_index = self.graphdb.get_or_create_index(neo4j.Node, 'NODE')
self.disambiguation_index = self.graphdb.get_or_create_index(neo4j.Node, self.DISAMBIGUATION)
def __init__(self): Util.__init__(self) self.blacklist += ['by country', 'by area', 'by region', 'by continent', 'user:'******'portal:', 'talk', 'name']
