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Simple

SimpleDocumentStore #

Bases: KVDocumentStore

Simple Document (Node) store.

An in-memory store for Document and Node objects.

Parameters:

Name Type Description Default
simple_kvstore SimpleKVStore

simple key-value store

 None
namespace str

namespace for the docstore

 None
Source code in llama_index/core/storage/docstore/simple_docstore.py 
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class SimpleDocumentStore(KVDocumentStore):
    """
    Simple Document (Node) store.

    An in-memory store for Document and Node objects.

    Args:
        simple_kvstore (SimpleKVStore): simple key-value store
        namespace (str): namespace for the docstore

    """

    def __init__(
        self,
        simple_kvstore: Optional[SimpleKVStore] = None,
        namespace: Optional[str] = None,
        batch_size: int = DEFAULT_BATCH_SIZE,
    ) -> None:
        """Init a SimpleDocumentStore."""
        simple_kvstore = simple_kvstore or SimpleKVStore()
        super().__init__(simple_kvstore, namespace=namespace, batch_size=batch_size)

    @classmethod
    def from_persist_dir(
        cls,
        persist_dir: str = DEFAULT_PERSIST_DIR,
        namespace: Optional[str] = None,
        fs: Optional[fsspec.AbstractFileSystem] = None,
    ) -> "SimpleDocumentStore":
        """
        Create a SimpleDocumentStore from a persist directory.

        Args:
            persist_dir (str): directory to persist the store
            namespace (Optional[str]): namespace for the docstore
            fs (Optional[fsspec.AbstractFileSystem]): filesystem to use

        """
        if fs is not None:
            persist_path = concat_dirs(persist_dir, DEFAULT_PERSIST_FNAME)
        else:
            persist_path = os.path.join(persist_dir, DEFAULT_PERSIST_FNAME)
        return cls.from_persist_path(persist_path, namespace=namespace, fs=fs)

    @classmethod
    def from_persist_path(
        cls,
        persist_path: str,
        namespace: Optional[str] = None,
        fs: Optional[fsspec.AbstractFileSystem] = None,
    ) -> "SimpleDocumentStore":
        """
        Create a SimpleDocumentStore from a persist path.

        Args:
            persist_path (str): Path to persist the store
            namespace (Optional[str]): namespace for the docstore
            fs (
            Optional[fsspec.AbstractFileSystem]): filesystem to use

        """
        simple_kvstore = SimpleKVStore.from_persist_path(persist_path, fs=fs)
        return cls(simple_kvstore, namespace)

    def persist(
        self,
        persist_path: str = DEFAULT_PERSIST_PATH,
        fs: Optional[fsspec.AbstractFileSystem] = None,
    ) -> None:
        """Persist the store."""
        if isinstance(self._kvstore, (MutableMappingKVStore, BaseInMemoryKVStore)):
            self._kvstore.persist(persist_path, fs=fs)

    @classmethod
    def from_dict(
        cls, save_dict: dict, namespace: Optional[str] = None
    ) -> "SimpleDocumentStore":
        simple_kvstore = SimpleKVStore.from_dict(save_dict)
        return cls(simple_kvstore, namespace)

    def to_dict(self) -> dict:
        assert isinstance(self._kvstore, SimpleKVStore)
        return self._kvstore.to_dict()

from_persist_dir classmethod #

from_persist_dir(persist_dir: str = DEFAULT_PERSIST_DIR, namespace: Optional[str] = None, fs: Optional[AbstractFileSystem] = None) -> SimpleDocumentStore

Create a SimpleDocumentStore from a persist directory.

Parameters:

Name Type Description Default
persist_dir str

directory to persist the store

 DEFAULT_PERSIST_DIR
namespace Optional[str]

namespace for the docstore

 None
fs Optional[AbstractFileSystem]

filesystem to use

 None
Source code in llama_index/core/storage/docstore/simple_docstore.py 
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@classmethod
def from_persist_dir(
    cls,
    persist_dir: str = DEFAULT_PERSIST_DIR,
    namespace: Optional[str] = None,
    fs: Optional[fsspec.AbstractFileSystem] = None,
) -> "SimpleDocumentStore":
    """
    Create a SimpleDocumentStore from a persist directory.

    Args:
        persist_dir (str): directory to persist the store
        namespace (Optional[str]): namespace for the docstore
        fs (Optional[fsspec.AbstractFileSystem]): filesystem to use

    """
    if fs is not None:
        persist_path = concat_dirs(persist_dir, DEFAULT_PERSIST_FNAME)
    else:
        persist_path = os.path.join(persist_dir, DEFAULT_PERSIST_FNAME)
    return cls.from_persist_path(persist_path, namespace=namespace, fs=fs)

from_persist_path classmethod #

from_persist_path(persist_path: str, namespace: Optional[str] = None, fs: Optional[AbstractFileSystem] = None) -> SimpleDocumentStore

Create a SimpleDocumentStore from a persist path.

Parameters:

Name Type Description Default
persist_path str

Path to persist the store

 required
namespace Optional[str]

namespace for the docstore

 None
Optional[fsspec.AbstractFileSystem])

filesystem to use

 required
Source code in llama_index/core/storage/docstore/simple_docstore.py 
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@classmethod
def from_persist_path(
    cls,
    persist_path: str,
    namespace: Optional[str] = None,
    fs: Optional[fsspec.AbstractFileSystem] = None,
) -> "SimpleDocumentStore":
    """
    Create a SimpleDocumentStore from a persist path.

    Args:
        persist_path (str): Path to persist the store
        namespace (Optional[str]): namespace for the docstore
        fs (
        Optional[fsspec.AbstractFileSystem]): filesystem to use

    """
    simple_kvstore = SimpleKVStore.from_persist_path(persist_path, fs=fs)
    return cls(simple_kvstore, namespace)

persist #

persist(persist_path: str = DEFAULT_PERSIST_PATH, fs: Optional[AbstractFileSystem] = None) -> None

Persist the store.

Source code in llama_index/core/storage/docstore/simple_docstore.py 
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def persist(
    self,
    persist_path: str = DEFAULT_PERSIST_PATH,
    fs: Optional[fsspec.AbstractFileSystem] = None,
) -> None:
    """Persist the store."""
    if isinstance(self._kvstore, (MutableMappingKVStore, BaseInMemoryKVStore)):
        self._kvstore.persist(persist_path, fs=fs)

BaseDocumentStore #

Bases: ABC

Source code in llama_index/core/storage/docstore/types.py 
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class BaseDocumentStore(ABC):
    # ===== Save/load =====
    def persist(
        self,
        persist_path: str = DEFAULT_PERSIST_PATH,
        fs: Optional[fsspec.AbstractFileSystem] = None,
    ) -> None:
        """Persist the docstore to a file."""

    # ===== Main interface =====
    @property
    @abstractmethod
    def docs(self) -> Dict[str, BaseNode]: ...

    @abstractmethod
    def add_documents(
        self,
        docs: Sequence[BaseNode],
        allow_update: bool = True,
        batch_size: int = DEFAULT_BATCH_SIZE,
        store_text: bool = True,
    ) -> None: ...

    @abstractmethod
    async def async_add_documents(
        self,
        docs: Sequence[BaseNode],
        allow_update: bool = True,
        batch_size: int = DEFAULT_BATCH_SIZE,
        store_text: bool = True,
    ) -> None: ...

    @abstractmethod
    def get_document(
        self, doc_id: str, raise_error: bool = True
    ) -> Optional[BaseNode]: ...

    @abstractmethod
    async def aget_document(
        self, doc_id: str, raise_error: bool = True
    ) -> Optional[BaseNode]: ...

    @abstractmethod
    def delete_document(self, doc_id: str, raise_error: bool = True) -> None:
        """Delete a document from the store."""
        ...

    @abstractmethod
    async def adelete_document(self, doc_id: str, raise_error: bool = True) -> None:
        """Delete a document from the store."""
        ...

    @abstractmethod
    def document_exists(self, doc_id: str) -> bool: ...

    @abstractmethod
    async def adocument_exists(self, doc_id: str) -> bool: ...

    # ===== Hash =====
    @abstractmethod
    def set_document_hash(self, doc_id: str, doc_hash: str) -> None: ...

    @abstractmethod
    async def aset_document_hash(self, doc_id: str, doc_hash: str) -> None: ...

    @abstractmethod
    def set_document_hashes(self, doc_hashes: Dict[str, str]) -> None: ...

    @abstractmethod
    async def aset_document_hashes(self, doc_hashes: Dict[str, str]) -> None: ...

    @abstractmethod
    def get_document_hash(self, doc_id: str) -> Optional[str]: ...

    @abstractmethod
    async def aget_document_hash(self, doc_id: str) -> Optional[str]: ...

    @abstractmethod
    def get_all_document_hashes(self) -> Dict[str, str]: ...

    @abstractmethod
    async def aget_all_document_hashes(self) -> Dict[str, str]: ...

    # ==== Ref Docs =====
    @abstractmethod
    def get_all_ref_doc_info(self) -> Optional[Dict[str, RefDocInfo]]:
        """Get a mapping of ref_doc_id -> RefDocInfo for all ingested documents."""

    @abstractmethod
    async def aget_all_ref_doc_info(self) -> Optional[Dict[str, RefDocInfo]]:
        """Get a mapping of ref_doc_id -> RefDocInfo for all ingested documents."""

    @abstractmethod
    def get_ref_doc_info(self, ref_doc_id: str) -> Optional[RefDocInfo]:
        """Get the RefDocInfo for a given ref_doc_id."""

    @abstractmethod
    async def aget_ref_doc_info(self, ref_doc_id: str) -> Optional[RefDocInfo]:
        """Get the RefDocInfo for a given ref_doc_id."""

    @abstractmethod
    def delete_ref_doc(self, ref_doc_id: str, raise_error: bool = True) -> None:
        """Delete a ref_doc and all it's associated nodes."""

    @abstractmethod
    async def adelete_ref_doc(self, ref_doc_id: str, raise_error: bool = True) -> None:
        """Delete a ref_doc and all it's associated nodes."""

    # ===== Nodes =====
    def get_nodes(
        self, node_ids: List[str], raise_error: bool = True
    ) -> List[BaseNode]:
        """
        Get nodes from docstore.

        Args:
            node_ids (List[str]): node ids
            raise_error (bool): raise error if node_id not found

        """
        nodes: list[BaseNode] = []

        for node_id in node_ids:
            # if needed for type checking
            if not raise_error:
                if node := self.get_node(node_id=node_id, raise_error=False):
                    nodes.append(node)
                continue

            nodes.append(self.get_node(node_id=node_id, raise_error=True))

        return nodes

    async def aget_nodes(
        self, node_ids: List[str], raise_error: bool = True
    ) -> List[BaseNode]:
        """
        Get nodes from docstore.

        Args:
            node_ids (List[str]): node ids
            raise_error (bool): raise error if node_id not found

        """
        nodes: list[BaseNode] = []

        for node_id in node_ids:
            # if needed for type checking
            if not raise_error:
                if node := await self.aget_node(node_id=node_id, raise_error=False):
                    nodes.append(node)
                continue

            nodes.append(await self.aget_node(node_id=node_id, raise_error=True))

        return nodes

    @overload
    def get_node(self, node_id: str, raise_error: Literal[True] = True) -> BaseNode: ...

    @overload
    def get_node(
        self, node_id: str, raise_error: Literal[False] = False
    ) -> Optional[BaseNode]: ...

    def get_node(self, node_id: str, raise_error: bool = True) -> Optional[BaseNode]:
        """
        Get node from docstore.

        Args:
            node_id (str): node id
            raise_error (bool): raise error if node_id not found

        """
        doc = self.get_document(node_id, raise_error=raise_error)

        if doc is None:
            # The doc store should have raised an error if the node_id is not found, but it didn't
            # so we raise an error here
            if raise_error:
                raise ValueError(f"Node {node_id} not found")
            return None

        # The document should always be a BaseNode, but we check to be safe
        if not isinstance(doc, BaseNode):
            raise ValueError(f"Document {node_id} is not a Node.")

        return doc

    @overload
    async def aget_node(
        self, node_id: str, raise_error: Literal[True] = True
    ) -> BaseNode: ...

    @overload
    async def aget_node(
        self, node_id: str, raise_error: Literal[False] = False
    ) -> Optional[BaseNode]: ...

    async def aget_node(
        self, node_id: str, raise_error: bool = True
    ) -> Optional[BaseNode]:
        """
        Get node from docstore.

        Args:
            node_id (str): node id
            raise_error (bool): raise error if node_id not found

        """
        doc = await self.aget_document(node_id, raise_error=raise_error)

        if doc is None:
            # The doc store should have raised an error if the node_id is not found, but it didn't
            # so we raise an error here
            if raise_error:
                raise ValueError(f"Node {node_id} not found")
            return None

        # The document should always be a BaseNode, but we check to be safe
        if not isinstance(doc, BaseNode):
            raise ValueError(f"Document {node_id} is not a Node.")

        return doc

    def get_node_dict(self, node_id_dict: Dict[int, str]) -> Dict[int, BaseNode]:
        """
        Get node dict from docstore given a mapping of index to node ids.

        Args:
            node_id_dict (Dict[int, str]): mapping of index to node ids

        """
        return {
            index: self.get_node(node_id) for index, node_id in node_id_dict.items()
        }

    async def aget_node_dict(self, node_id_dict: Dict[int, str]) -> Dict[int, BaseNode]:
        """
        Get node dict from docstore given a mapping of index to node ids.

        Args:
            node_id_dict (Dict[int, str]): mapping of index to node ids

        """
        return {
            index: await self.aget_node(node_id)
            for index, node_id in node_id_dict.items()
        }

persist #

persist(persist_path: str = DEFAULT_PERSIST_PATH, fs: Optional[AbstractFileSystem] = None) -> None

Persist the docstore to a file.

Source code in llama_index/core/storage/docstore/types.py 
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def persist(
    self,
    persist_path: str = DEFAULT_PERSIST_PATH,
    fs: Optional[fsspec.AbstractFileSystem] = None,
) -> None:
    """Persist the docstore to a file."""

delete_document abstractmethod #

delete_document(doc_id: str, raise_error: bool = True) -> None

Delete a document from the store.

Source code in llama_index/core/storage/docstore/types.py 
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@abstractmethod
def delete_document(self, doc_id: str, raise_error: bool = True) -> None:
    """Delete a document from the store."""
    ...

adelete_document abstractmethod async #

adelete_document(doc_id: str, raise_error: bool = True) -> None

Delete a document from the store.

Source code in llama_index/core/storage/docstore/types.py 
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@abstractmethod
async def adelete_document(self, doc_id: str, raise_error: bool = True) -> None:
    """Delete a document from the store."""
    ...

get_all_ref_doc_info abstractmethod #

get_all_ref_doc_info() -> Optional[Dict[str, RefDocInfo]]

Get a mapping of ref_doc_id -> RefDocInfo for all ingested documents.

Source code in llama_index/core/storage/docstore/types.py 
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@abstractmethod
def get_all_ref_doc_info(self) -> Optional[Dict[str, RefDocInfo]]:
    """Get a mapping of ref_doc_id -> RefDocInfo for all ingested documents."""

aget_all_ref_doc_info abstractmethod async #

aget_all_ref_doc_info() -> Optional[Dict[str, RefDocInfo]]

Get a mapping of ref_doc_id -> RefDocInfo for all ingested documents.

Source code in llama_index/core/storage/docstore/types.py 
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@abstractmethod
async def aget_all_ref_doc_info(self) -> Optional[Dict[str, RefDocInfo]]:
    """Get a mapping of ref_doc_id -> RefDocInfo for all ingested documents."""

get_ref_doc_info abstractmethod #

get_ref_doc_info(ref_doc_id: str) -> Optional[RefDocInfo]

Get the RefDocInfo for a given ref_doc_id.

Source code in llama_index/core/storage/docstore/types.py 
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@abstractmethod
def get_ref_doc_info(self, ref_doc_id: str) -> Optional[RefDocInfo]:
    """Get the RefDocInfo for a given ref_doc_id."""

aget_ref_doc_info abstractmethod async #

aget_ref_doc_info(ref_doc_id: str) -> Optional[RefDocInfo]

Get the RefDocInfo for a given ref_doc_id.

Source code in llama_index/core/storage/docstore/types.py 
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@abstractmethod
async def aget_ref_doc_info(self, ref_doc_id: str) -> Optional[RefDocInfo]:
    """Get the RefDocInfo for a given ref_doc_id."""

delete_ref_doc abstractmethod #

delete_ref_doc(ref_doc_id: str, raise_error: bool = True) -> None

Delete a ref_doc and all it's associated nodes.

Source code in llama_index/core/storage/docstore/types.py 
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@abstractmethod
def delete_ref_doc(self, ref_doc_id: str, raise_error: bool = True) -> None:
    """Delete a ref_doc and all it's associated nodes."""

adelete_ref_doc abstractmethod async #

adelete_ref_doc(ref_doc_id: str, raise_error: bool = True) -> None

Delete a ref_doc and all it's associated nodes.

Source code in llama_index/core/storage/docstore/types.py 
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@abstractmethod
async def adelete_ref_doc(self, ref_doc_id: str, raise_error: bool = True) -> None:
    """Delete a ref_doc and all it's associated nodes."""

get_nodes #

get_nodes(node_ids: List[str], raise_error: bool = True) -> List[BaseNode]

Get nodes from docstore.

Parameters:

Name Type Description Default
node_ids List[str]

node ids

 required
raise_error bool

raise error if node_id not found

 True
Source code in llama_index/core/storage/docstore/types.py 
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def get_nodes(
    self, node_ids: List[str], raise_error: bool = True
) -> List[BaseNode]:
    """
    Get nodes from docstore.

    Args:
        node_ids (List[str]): node ids
        raise_error (bool): raise error if node_id not found

    """
    nodes: list[BaseNode] = []

    for node_id in node_ids:
        # if needed for type checking
        if not raise_error:
            if node := self.get_node(node_id=node_id, raise_error=False):
                nodes.append(node)
            continue

        nodes.append(self.get_node(node_id=node_id, raise_error=True))

    return nodes

aget_nodes async #

aget_nodes(node_ids: List[str], raise_error: bool = True) -> List[BaseNode]

Get nodes from docstore.

Parameters:

Name Type Description Default
node_ids List[str]

node ids

 required
raise_error bool

raise error if node_id not found

 True
Source code in llama_index/core/storage/docstore/types.py 
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async def aget_nodes(
    self, node_ids: List[str], raise_error: bool = True
) -> List[BaseNode]:
    """
    Get nodes from docstore.

    Args:
        node_ids (List[str]): node ids
        raise_error (bool): raise error if node_id not found

    """
    nodes: list[BaseNode] = []

    for node_id in node_ids:
        # if needed for type checking
        if not raise_error:
            if node := await self.aget_node(node_id=node_id, raise_error=False):
                nodes.append(node)
            continue

        nodes.append(await self.aget_node(node_id=node_id, raise_error=True))

    return nodes

get_node #

get_node(node_id: str, raise_error: Literal[True] = True) -> BaseNode

get_node(node_id: str, raise_error: Literal[False] = False) -> Optional[BaseNode]

get_node(node_id: str, raise_error: bool = True) -> Optional[BaseNode]

Get node from docstore.

Parameters:

Name Type Description Default
node_id str

node id

 required
raise_error bool

raise error if node_id not found

 True
Source code in llama_index/core/storage/docstore/types.py 
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def get_node(self, node_id: str, raise_error: bool = True) -> Optional[BaseNode]:
    """
    Get node from docstore.

    Args:
        node_id (str): node id
        raise_error (bool): raise error if node_id not found

    """
    doc = self.get_document(node_id, raise_error=raise_error)

    if doc is None:
        # The doc store should have raised an error if the node_id is not found, but it didn't
        # so we raise an error here
        if raise_error:
            raise ValueError(f"Node {node_id} not found")
        return None

    # The document should always be a BaseNode, but we check to be safe
    if not isinstance(doc, BaseNode):
        raise ValueError(f"Document {node_id} is not a Node.")

    return doc

aget_node async #

aget_node(node_id: str, raise_error: Literal[True] = True) -> BaseNode

aget_node(node_id: str, raise_error: Literal[False] = False) -> Optional[BaseNode]

aget_node(node_id: str, raise_error: bool = True) -> Optional[BaseNode]

Get node from docstore.

Parameters:

Name Type Description Default
node_id str

node id

 required
raise_error bool

raise error if node_id not found

 True
Source code in llama_index/core/storage/docstore/types.py 
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async def aget_node(
    self, node_id: str, raise_error: bool = True
) -> Optional[BaseNode]:
    """
    Get node from docstore.

    Args:
        node_id (str): node id
        raise_error (bool): raise error if node_id not found

    """
    doc = await self.aget_document(node_id, raise_error=raise_error)

    if doc is None:
        # The doc store should have raised an error if the node_id is not found, but it didn't
        # so we raise an error here
        if raise_error:
            raise ValueError(f"Node {node_id} not found")
        return None

    # The document should always be a BaseNode, but we check to be safe
    if not isinstance(doc, BaseNode):
        raise ValueError(f"Document {node_id} is not a Node.")

    return doc

get_node_dict #

get_node_dict(node_id_dict: Dict[int, str]) -> Dict[int, BaseNode]

Get node dict from docstore given a mapping of index to node ids.

Parameters:

Name Type Description Default
node_id_dict Dict[int, str]

mapping of index to node ids

 required
Source code in llama_index/core/storage/docstore/types.py 
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def get_node_dict(self, node_id_dict: Dict[int, str]) -> Dict[int, BaseNode]:
    """
    Get node dict from docstore given a mapping of index to node ids.

    Args:
        node_id_dict (Dict[int, str]): mapping of index to node ids

    """
    return {
        index: self.get_node(node_id) for index, node_id in node_id_dict.items()
    }

aget_node_dict async #

aget_node_dict(node_id_dict: Dict[int, str]) -> Dict[int, BaseNode]

Get node dict from docstore given a mapping of index to node ids.

Parameters:

Name Type Description Default
node_id_dict Dict[int, str]

mapping of index to node ids

 required
Source code in llama_index/core/storage/docstore/types.py 
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async def aget_node_dict(self, node_id_dict: Dict[int, str]) -> Dict[int, BaseNode]:
    """
    Get node dict from docstore given a mapping of index to node ids.

    Args:
        node_id_dict (Dict[int, str]): mapping of index to node ids

    """
    return {
        index: await self.aget_node(node_id)
        for index, node_id in node_id_dict.items()
    }

options: members: - SimpleDocumentStore