graphiti/core/nodes.py
Pavlo Paliychuk 83c7640d9c
chore: Initial draft of stubs (#2)
* chore: Initial draft of stubs

* updates

* chore: Add comments and mock implementation of the add_episode method

* chore: Add success and error callbacks

* stub updates

---------

Co-authored-by: prestonrasmussen <prasmuss15@gmail.com>
2024-08-14 10:17:12 -04:00

73 lines
2.2 KiB
Python

from abc import ABC, abstractmethod
from datetime import datetime
from uuid import uuid1
from openai import OpenAI
from pydantic import BaseModel, Field
from neo4j import AsyncDriver
import logging
logger = logging.getLogger(__name__)
class Node(BaseModel, ABC):
uuid: Field(default_factory=lambda: uuid1().hex)
name: str
labels: list[str]
transaction_from: datetime
@abstractmethod
async def save(self, driver: AsyncDriver): ...
class EpisodicNode(Node):
source: str # source type
source_description: str # description of the data source
content: str # raw episode data
semantic_edges: list[str] # list of semantic edges referenced in this episode
valid_from: datetime = None # datetime of when the original document was created
async def save(self, driver: AsyncDriver):
result = await driver.execute_query(
"""
MERGE (n:Episodic {uuid: $uuid})
SET n = {uuid: $uuid, name: $name, source_description: $source_description, content: $content,
semantic_edges: $semantic_edges, transaction_from: $transaction_from, valid_from: $valid_from}
RETURN n.uuid AS uuid""",
uuid=self.uuid,
name=self.name,
source_description=self.source_description,
content=self.content,
semantic_edges=self.semantic_edges,
transaction_from=self.transaction_from,
valid_from=self.valid_from,
_database="neo4j",
)
logger.info(f"Saved Node to neo4j: {self.uuid}")
print(self.uuid)
return result
class SemanticNode(Node):
summary: str # regional summary of surrounding edges
async def refresh_summary(self, driver: AsyncDriver, llm_client: OpenAI): ...
async def save(self, driver: AsyncDriver):
result = await driver.execute_query(
"""
MERGE (n:Semantic {uuid: $uuid})
SET n = {uuid: $uuid, name: $name, summary: $summary, transaction_from: $transaction_from}
RETURN n.uuid AS uuid""",
uuid=self.uuid,
name=self.name,
summary=self.summary,
transaction_from=self.transaction_from,
)
logger.info(f"Saved Node to neo4j: {self.uuid}")
return result