Storage context
StorageContext
dataclass
#
存储上下文。
存储上下文容器是用于存储节点、索引和向量的实用容器。它包含以下内容: - docstore: BaseDocumentStore - index_store: BaseIndexStore - vector_store: BasePydanticVectorStore - graph_store: GraphStore - property_graph_store: PropertyGraphStore(延迟初始化)
Source code in llama_index/core/storage/storage_context.py
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from_defaults
classmethod
#
from_defaults(
docstore: Optional[BaseDocumentStore] = None,
index_store: Optional[BaseIndexStore] = None,
vector_store: Optional[BasePydanticVectorStore] = None,
image_store: Optional[BasePydanticVectorStore] = None,
vector_stores: Optional[
Dict[str, BasePydanticVectorStore]
] = None,
graph_store: Optional[GraphStore] = None,
property_graph_store: Optional[
PropertyGraphStore
] = None,
persist_dir: Optional[str] = None,
fs: Optional[AbstractFileSystem] = None,
) -> StorageContext
从默认值创建一个StorageContext。
Source code in llama_index/core/storage/storage_context.py
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persist #
persist(
persist_dir: Union[str, PathLike] = DEFAULT_PERSIST_DIR,
docstore_fname: str = DOCSTORE_FNAME,
index_store_fname: str = INDEX_STORE_FNAME,
vector_store_fname: str = VECTOR_STORE_FNAME,
image_store_fname: str = IMAGE_STORE_FNAME,
graph_store_fname: str = GRAPH_STORE_FNAME,
pg_graph_store_fname: str = PG_FNAME,
fs: Optional[AbstractFileSystem] = None,
) -> None
持久化存储上下文。
Parameters:
Name | Type | Description | Default |
---|---|---|---|
persist_dir |
str
|
持久化存储上下文的目录 |
DEFAULT_PERSIST_DIR
|
Source code in llama_index/core/storage/storage_context.py
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from_dict
classmethod
#
from_dict(save_dict: dict) -> StorageContext
从字典中创建一个StorageContext。
Source code in llama_index/core/storage/storage_context.py
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add_vector_store #
add_vector_store(
vector_store: BasePydanticVectorStore, namespace: str
) -> None
向存储上下文中添加一个向量存储。
Source code in llama_index/core/storage/storage_context.py
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LlamaIndex的初始化文件。
load_index_from_storage #
load_index_from_storage(
storage_context: StorageContext,
index_id: Optional[str] = None,
**kwargs: Any
) -> BaseIndex
从存储上下文中加载索引。
Source code in llama_index/core/indices/loading.py
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load_indices_from_storage #
load_indices_from_storage(
storage_context: StorageContext,
index_ids: Optional[Sequence[str]] = None,
**kwargs: Any
) -> List[BaseIndex]
从存储上下文中加载多个索引。
Source code in llama_index/core/indices/loading.py
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