GCSDocumentStorage#
- class langchain_google_vertexai.vectorstores.document_storage.GCSDocumentStorage(bucket: Bucket, prefix: str | None = 'documents', threaded=True, n_threads=8)[source]#
Stores documents in Google Cloud Storage. For each pair id, document_text the name of the blob will be {prefix}/{id} stored in plain text format.
Constructor. :param bucket: Bucket where the documents will be stored. :param prefix: Prefix that is prepended to all document names.
Methods
__init__(bucket[, prefix, threaded, n_threads])Constructor.
amdelete(keys)Async delete the given keys and their associated values.
amget(keys)Async get the values associated with the given keys.
amset(key_value_pairs)Async set the values for the given keys.
ayield_keys(*[, prefix])Async get an iterator over keys that match the given prefix.
mdelete(keys)Deletes a batch of documents by id.
mget(keys)Gets a batch of documents by id.
mset(key_value_pairs)Stores a series of documents using each keys
yield_keys(*[, prefix])Yields the keys present in the storage.
- Parameters:
bucket (storage.Bucket) –
prefix (Optional[str]) –
- __init__(bucket: Bucket, prefix: str | None = 'documents', threaded=True, n_threads=8) None[source]#
Constructor. :param bucket: Bucket where the documents will be stored. :param prefix: Prefix that is prepended to all document names.
- Parameters:
bucket (Bucket) –
prefix (str | None) –
- Return type:
None
- async amdelete(keys: Sequence[K]) None#
Async delete the given keys and their associated values.
- Parameters:
keys (Sequence[K]) – A sequence of keys to delete.
- Return type:
None
- async amget(keys: Sequence[K]) List[V | None]#
Async get the values associated with the given keys.
- Parameters:
keys (Sequence[K]) – A sequence of keys.
- Returns:
A sequence of optional values associated with the keys. If a key is not found, the corresponding value will be None.
- Return type:
List[V | None]
- async amset(key_value_pairs: Sequence[Tuple[K, V]]) None#
Async set the values for the given keys.
- Parameters:
key_value_pairs (Sequence[Tuple[K, V]]) – A sequence of key-value pairs.
- Return type:
None
- async ayield_keys(*, prefix: str | None = None) AsyncIterator[K] | AsyncIterator[str]#
Async get an iterator over keys that match the given prefix.
- Parameters:
prefix (str) – The prefix to match.
- Yields:
Iterator[K | str] – An iterator over keys that match the given prefix. This method is allowed to return an iterator over either K or str depending on what makes more sense for the given store.
- Return type:
AsyncIterator[K] | AsyncIterator[str]
- mdelete(keys: Sequence[str]) None[source]#
Deletes a batch of documents by id.
- Parameters:
keys (Sequence[str]) – List of ids for the text.
- Return type:
None
- mget(keys: Sequence[str]) List[Document | None][source]#
Gets a batch of documents by id. The default implementation only loops get_by_id. Subclasses that have faster ways to retrieve data by batch should implement this method. :param ids: List of ids for the text.
- Returns:
- List of documents. If the key id is not found for any id record returns a
None instead.
- Parameters:
keys (Sequence[str]) –
- Return type:
List[Document | None]