mirror of
https://github.com/lancedb/lancedb.git
synced 2025-12-27 15:12:53 +00:00
59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
# Copyright 2023 LanceDB Developers
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from typing import Optional
|
|
|
|
from .db import URI, DBConnection, LanceDBConnection
|
|
from .remote.db import RemoteDBConnection
|
|
|
|
|
|
def connect(
|
|
uri: URI, *, api_key: Optional[str] = None, region: str = "us-west-2"
|
|
) -> DBConnection:
|
|
"""Connect to a LanceDB database.
|
|
|
|
Parameters
|
|
----------
|
|
uri: str or Path
|
|
The uri of the database.
|
|
api_token: str, optional
|
|
If presented, connect to LanceDB cloud.
|
|
Otherwise, connect to a database on file system or cloud storage.
|
|
|
|
Examples
|
|
--------
|
|
|
|
For a local directory, provide a path for the database:
|
|
|
|
>>> import lancedb
|
|
>>> db = lancedb.connect("~/.lancedb")
|
|
|
|
For object storage, use a URI prefix:
|
|
|
|
>>> db = lancedb.connect("s3://my-bucket/lancedb")
|
|
|
|
Connect to LancdDB cloud:
|
|
|
|
>>> db = lancedb.connect("db://my_database", api_key="ldb_...")
|
|
|
|
Returns
|
|
-------
|
|
conn : DBConnection
|
|
A connection to a LanceDB database.
|
|
"""
|
|
if isinstance(uri, str) and uri.startswith("db://"):
|
|
if api_key is None:
|
|
raise ValueError(f"api_key is required to connected LanceDB cloud: {uri}")
|
|
return RemoteDBConnection(uri, api_key, region)
|
|
return LanceDBConnection(uri)
|