langchain-neo4j

Synchronous Neo4j checkpoint saver for LangGraph.

Asynchronous Neo4j checkpoint saver for LangGraph.

Base class for Neo4j checkpoint savers with shared logic.

Represents a node in a graph with associated properties.

Represents a directed relationship between two nodes in a graph.

Represents a graph document consisting of nodes and relationships.

Abstract class for graph operations.

Neo4j database wrapper for various graph operations.

Chat message history stored in a Neo4j database.

Used to correct relationship direction in generated Cypher statements.

Chain for question-answering against a graph by generating Cypher statements.

Enumerator of the Distance strategies for calculating distances

Neo4j vector index.

Translate Neo4j internal query language elements to valid filters.

Get a Neo4j driver from various connection types.

Create a Neo4j driver with authentication.

Get a Neo4j session from a driver.

Get an async Neo4j driver from various connection types.

Create an async Neo4j driver with authentication.

Get an async Neo4j session from a driver.

Filter the schema based on included or excluded types

Check if the values are not None or empty string

Remove Lucene special characters

Convert a dictionary to a YAML-like string without using external libraries.