mirror of
https://github.com/trustgraph-ai/trustgraph.git
synced 2026-05-04 04:42:36 +02:00
a9197d11ee
- Keeps processing in different flows separate so that data can go to different stores / collections etc. - Potentially supports different processing flows - Tidies the processing API with common base-classes for e.g. LLMs, and automatic configuration of 'clients' to use the right queue names in a flow
373 lines
14 KiB
Python
Executable file
373 lines
14 KiB
Python
Executable file
|
|
"""
|
|
Triples query service for memgraph.
|
|
Input is a (s, p, o) triple, some values may be null. Output is a list of
|
|
triples.
|
|
"""
|
|
|
|
from neo4j import GraphDatabase
|
|
|
|
from .... schema import TriplesQueryRequest, TriplesQueryResponse, Error
|
|
from .... schema import Value, Triple
|
|
from .... schema import triples_request_queue
|
|
from .... schema import triples_response_queue
|
|
from .... base import ConsumerProducer
|
|
|
|
module = "triples-query"
|
|
|
|
default_input_queue = triples_request_queue
|
|
default_output_queue = triples_response_queue
|
|
default_subscriber = module
|
|
|
|
default_graph_host = 'bolt://memgraph:7687'
|
|
default_username = 'memgraph'
|
|
default_password = 'password'
|
|
default_database = 'memgraph'
|
|
|
|
class Processor(ConsumerProducer):
|
|
|
|
def __init__(self, **params):
|
|
|
|
input_queue = params.get("input_queue", default_input_queue)
|
|
output_queue = params.get("output_queue", default_output_queue)
|
|
subscriber = params.get("subscriber", default_subscriber)
|
|
graph_host = params.get("graph_host", default_graph_host)
|
|
username = params.get("username", default_username)
|
|
password = params.get("password", default_password)
|
|
database = params.get("database", default_database)
|
|
|
|
super(Processor, self).__init__(
|
|
**params | {
|
|
"input_queue": input_queue,
|
|
"output_queue": output_queue,
|
|
"subscriber": subscriber,
|
|
"input_schema": TriplesQueryRequest,
|
|
"output_schema": TriplesQueryResponse,
|
|
"graph_host": graph_host,
|
|
}
|
|
)
|
|
|
|
self.db = database
|
|
|
|
self.io = GraphDatabase.driver(graph_host, auth=(username, password))
|
|
|
|
def create_value(self, ent):
|
|
|
|
if ent.startswith("http://") or ent.startswith("https://"):
|
|
return Value(value=ent, is_uri=True)
|
|
else:
|
|
return Value(value=ent, is_uri=False)
|
|
|
|
async def handle(self, msg):
|
|
|
|
try:
|
|
|
|
v = msg.value()
|
|
|
|
# Sender-produced ID
|
|
id = msg.properties()["id"]
|
|
|
|
print(f"Handling input {id}...", flush=True)
|
|
|
|
triples = []
|
|
|
|
if v.s is not None:
|
|
if v.p is not None:
|
|
if v.o is not None:
|
|
|
|
# SPO
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node {uri: $src})-[rel:Rel {uri: $rel}]->(dest:Literal {value: $value}) "
|
|
"RETURN $src as src "
|
|
"LIMIT " + str(v.limit),
|
|
src=v.s.value, rel=v.p.value, value=v.o.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
triples.append((v.s.value, v.p.value, v.o.value))
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node {uri: $src})-[rel:Rel {uri: $rel}]->(dest:Node {uri: $uri}) "
|
|
"RETURN $src as src "
|
|
"LIMIT " + str(v.limit),
|
|
src=v.s.value, rel=v.p.value, uri=v.o.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
triples.append((v.s.value, v.p.value, v.o.value))
|
|
|
|
else:
|
|
|
|
# SP
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node {uri: $src})-[rel:Rel {uri: $rel}]->(dest:Literal) "
|
|
"RETURN dest.value as dest "
|
|
"LIMIT " + str(v.limit),
|
|
src=v.s.value, rel=v.p.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((v.s.value, v.p.value, data["dest"]))
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node {uri: $src})-[rel:Rel {uri: $rel}]->(dest:Node) "
|
|
"RETURN dest.uri as dest "
|
|
"LIMIT " + str(v.limit),
|
|
src=v.s.value, rel=v.p.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((v.s.value, v.p.value, data["dest"]))
|
|
|
|
else:
|
|
|
|
if v.o is not None:
|
|
|
|
# SO
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node {uri: $src})-[rel:Rel]->(dest:Literal {value: $value}) "
|
|
"RETURN rel.uri as rel "
|
|
"LIMIT " + str(v.limit),
|
|
src=v.s.value, value=v.o.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((v.s.value, data["rel"], v.o.value))
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node {uri: $src})-[rel:Rel]->(dest:Node {uri: $uri}) "
|
|
"RETURN rel.uri as rel "
|
|
"LIMIT " + str(v.limit),
|
|
src=v.s.value, uri=v.o.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((v.s.value, data["rel"], v.o.value))
|
|
|
|
else:
|
|
|
|
# S
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node {uri: $src})-[rel:Rel]->(dest:Literal) "
|
|
"RETURN rel.uri as rel, dest.value as dest "
|
|
"LIMIT " + str(v.limit),
|
|
src=v.s.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((v.s.value, data["rel"], data["dest"]))
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node {uri: $src})-[rel:Rel]->(dest:Node) "
|
|
"RETURN rel.uri as rel, dest.uri as dest "
|
|
"LIMIT " + str(v.limit),
|
|
src=v.s.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((v.s.value, data["rel"], data["dest"]))
|
|
|
|
|
|
else:
|
|
|
|
if v.p is not None:
|
|
|
|
if v.o is not None:
|
|
|
|
# PO
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node)-[rel:Rel {uri: $uri}]->(dest:Literal {value: $value}) "
|
|
"RETURN src.uri as src "
|
|
"LIMIT " + str(v.limit),
|
|
uri=v.p.value, value=v.o.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((data["src"], v.p.value, v.o.value))
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node)-[rel:Rel {uri: $uri}]->(dest:Node {uri: $uri}) "
|
|
"RETURN src.uri as src "
|
|
"LIMIT " + str(v.limit),
|
|
uri=v.p.value, dest=v.o.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((data["src"], v.p.value, v.o.value))
|
|
|
|
else:
|
|
|
|
# P
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node)-[rel:Rel {uri: $uri}]->(dest:Literal) "
|
|
"RETURN src.uri as src, dest.value as dest "
|
|
"LIMIT " + str(v.limit),
|
|
uri=v.p.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((data["src"], v.p.value, data["dest"]))
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node)-[rel:Rel {uri: $uri}]->(dest:Node) "
|
|
"RETURN src.uri as src, dest.uri as dest "
|
|
"LIMIT " + str(v.limit),
|
|
uri=v.p.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((data["src"], v.p.value, data["dest"]))
|
|
|
|
else:
|
|
|
|
if v.o is not None:
|
|
|
|
# O
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node)-[rel:Rel]->(dest:Literal {value: $value}) "
|
|
"RETURN src.uri as src, rel.uri as rel "
|
|
"LIMIT " + str(v.limit),
|
|
value=v.o.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((data["src"], data["rel"], v.o.value))
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node)-[rel:Rel]->(dest:Node {uri: $uri}) "
|
|
"RETURN src.uri as src, rel.uri as rel "
|
|
"LIMIT " + str(v.limit),
|
|
uri=v.o.value,
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((data["src"], data["rel"], v.o.value))
|
|
|
|
else:
|
|
|
|
# *
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node)-[rel:Rel]->(dest:Literal) "
|
|
"RETURN src.uri as src, rel.uri as rel, dest.value as dest "
|
|
"LIMIT " + str(v.limit),
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((data["src"], data["rel"], data["dest"]))
|
|
|
|
records, summary, keys = self.io.execute_query(
|
|
"MATCH (src:Node)-[rel:Rel]->(dest:Node) "
|
|
"RETURN src.uri as src, rel.uri as rel, dest.uri as dest "
|
|
"LIMIT " + str(v.limit),
|
|
database_=self.db,
|
|
)
|
|
|
|
for rec in records:
|
|
data = rec.data()
|
|
triples.append((data["src"], data["rel"], data["dest"]))
|
|
|
|
triples = [
|
|
Triple(
|
|
s=self.create_value(t[0]),
|
|
p=self.create_value(t[1]),
|
|
o=self.create_value(t[2])
|
|
)
|
|
for t in triples[:v.limit]
|
|
]
|
|
|
|
print("Send response...", flush=True)
|
|
r = TriplesQueryResponse(triples=triples, error=None)
|
|
await self.send(r, properties={"id": id})
|
|
|
|
print("Done.", flush=True)
|
|
|
|
except Exception as e:
|
|
|
|
print(f"Exception: {e}")
|
|
|
|
print("Send error response...", flush=True)
|
|
|
|
r = TriplesQueryResponse(
|
|
error=Error(
|
|
type = "llm-error",
|
|
message = str(e),
|
|
),
|
|
response=None,
|
|
)
|
|
|
|
await self.send(r, properties={"id": id})
|
|
|
|
self.consumer.acknowledge(msg)
|
|
|
|
@staticmethod
|
|
def add_args(parser):
|
|
|
|
ConsumerProducer.add_args(
|
|
parser, default_input_queue, default_subscriber,
|
|
default_output_queue,
|
|
)
|
|
|
|
parser.add_argument(
|
|
'-g', '--graph-host',
|
|
default=default_graph_host,
|
|
help=f'Graph host (default: {default_graph_host})'
|
|
)
|
|
|
|
parser.add_argument(
|
|
'--username',
|
|
default=default_username,
|
|
help=f'Memgraph username (default: {default_username})'
|
|
)
|
|
|
|
parser.add_argument(
|
|
'--password',
|
|
default=default_password,
|
|
help=f'Memgraph password (default: {default_password})'
|
|
)
|
|
|
|
parser.add_argument(
|
|
'--database',
|
|
default=default_database,
|
|
help=f'Memgraph database (default: {default_database})'
|
|
)
|
|
|
|
def run():
|
|
|
|
Processor.launch(module, __doc__)
|
|
|