Remove Gremlin storage implementaion

README-zh.md

@@ -1038,7 +1038,7 @@ rag.clear_cache(modes=["local"])
 | **working_dir** | `str` | 存储缓存的目录 | `lightrag_cache+timestamp` |
 | **kv_storage** | `str` | Storage type for documents and text chunks. Supported types: `JsonKVStorage`,`PGKVStorage`,`RedisKVStorage`,`MongoKVStorage` | `JsonKVStorage` |
 | **vector_storage** | `str` | Storage type for embedding vectors. Supported types: `NanoVectorDBStorage`,`PGVectorStorage`,`MilvusVectorDBStorage`,`ChromaVectorDBStorage`,`FaissVectorDBStorage`,`MongoVectorDBStorage`,`QdrantVectorDBStorage` | `NanoVectorDBStorage` |
-| **graph_storage** | `str` | Storage type for graph edges and nodes. Supported types: `NetworkXStorage`,`Neo4JStorage`,`PGGraphStorage`,`AGEStorage`,`GremlinStorage` | `NetworkXStorage` |
+| **graph_storage** | `str` | Storage type for graph edges and nodes. Supported types: `NetworkXStorage`,`Neo4JStorage`,`PGGraphStorage`,`AGEStorage` | `NetworkXStorage` |
 | **doc_status_storage** | `str` | Storage type for documents process status. Supported types: `JsonDocStatusStorage`,`PGDocStatusStorage`,`MongoDocStatusStorage` | `JsonDocStatusStorage` |
 | **chunk_token_size** | `int` | 拆分文档时每个块的最大令牌大小 | `1200` |
 | **chunk_overlap_token_size** | `int` | 拆分文档时两个块之间的重叠令牌大小 | `100` |

README.md

@@ -1066,7 +1066,7 @@ Valid modes are:
 | **working_dir** | `str` | Directory where the cache will be stored | `lightrag_cache+timestamp` |
 | **kv_storage** | `str` | Storage type for documents and text chunks. Supported types: `JsonKVStorage`,`PGKVStorage`,`RedisKVStorage`,`MongoKVStorage` | `JsonKVStorage` |
 | **vector_storage** | `str` | Storage type for embedding vectors. Supported types: `NanoVectorDBStorage`,`PGVectorStorage`,`MilvusVectorDBStorage`,`ChromaVectorDBStorage`,`FaissVectorDBStorage`,`MongoVectorDBStorage`,`QdrantVectorDBStorage` | `NanoVectorDBStorage` |
-| **graph_storage** | `str` | Storage type for graph edges and nodes. Supported types: `NetworkXStorage`,`Neo4JStorage`,`PGGraphStorage`,`AGEStorage`,`GremlinStorage` | `NetworkXStorage` |
+| **graph_storage** | `str` | Storage type for graph edges and nodes. Supported types: `NetworkXStorage`,`Neo4JStorage`,`PGGraphStorage`,`AGEStorage` | `NetworkXStorage` |
 | **doc_status_storage** | `str` | Storage type for documents process status. Supported types: `JsonDocStatusStorage`,`PGDocStatusStorage`,`MongoDocStatusStorage` | `JsonDocStatusStorage` |
 | **chunk_token_size** | `int` | Maximum token size per chunk when splitting documents | `1200` |
 | **chunk_overlap_token_size** | `int` | Overlap token size between two chunks when splitting documents | `100` |

examples/lightrag_ollama_gremlin_demo.py

@@ -1,3 +1,7 @@
+##############################################
+# Gremlin storage implementation is deprecated
+##############################################
+
 import asyncio
 import inspect
 import os

lightrag/api/README-zh.md

@@ -303,7 +303,6 @@ NetworkXStorage      NetworkX(默认)
 Neo4JStorage         Neo4J
 PGGraphStorage       Postgres
 AGEStorage           AGE
-GremlinStorage       Gremlin
 ```
 
 * VECTOR_STORAGE 支持的实现名称

lightrag/api/README.md

@@ -314,7 +314,6 @@ NetworkXStorage      NetworkX(defualt)
 Neo4JStorage         Neo4J
 PGGraphStorage       Postgres
 AGEStorage           AGE
-GremlinStorage       Gremlin
 ```
 
 * VECTOR_STORAGE supported implement-name

lightrag/kg/__init__.py

@@ -16,7 +16,7 @@ STORAGE_IMPLEMENTATIONS = {
             # "MongoGraphStorage",
             # "TiDBGraphStorage",
             "AGEStorage",
-            "GremlinStorage",
+            # "GremlinStorage",
             "PGGraphStorage",
         ],
         "required_methods": ["upsert_node", "upsert_edge"],
@@ -62,7 +62,7 @@ STORAGE_ENV_REQUIREMENTS: dict[str, list[str]] = {
         "AGE_POSTGRES_USER",
         "AGE_POSTGRES_PASSWORD",
     ],
-    "GremlinStorage": ["GREMLIN_HOST", "GREMLIN_PORT", "GREMLIN_GRAPH"],
+    # "GremlinStorage": ["GREMLIN_HOST", "GREMLIN_PORT", "GREMLIN_GRAPH"],
     "PGGraphStorage": [
         "POSTGRES_USER",
         "POSTGRES_PASSWORD",
@@ -104,7 +104,7 @@ STORAGES = {
     "PGVectorStorage": ".kg.postgres_impl",
     "AGEStorage": ".kg.age_impl",
     "PGGraphStorage": ".kg.postgres_impl",
-    "GremlinStorage": ".kg.gremlin_impl",
+    # "GremlinStorage": ".kg.gremlin_impl",
     "PGDocStatusStorage": ".kg.postgres_impl",
     "FaissVectorDBStorage": ".kg.faiss_impl",
     "QdrantVectorDBStorage": ".kg.qdrant_impl",