Beta/venv/lib/python3.12/site-packages/redis/commands/vectorset/commands.py
2026-06-16 17:09:34 +00:00

600 lines
19 KiB
Python

from __future__ import annotations
import json
from enum import Enum
from typing import Any, Awaitable, overload
from redis.client import NEVER_DECODE
from redis.commands.helpers import get_protocol_version
from redis.exceptions import DataError
from redis.typing import (
AsyncClientProtocol,
CommandsProtocol,
EncodableT,
KeyT,
Number,
SyncClientProtocol,
)
from redis.utils import check_protocol_version
VADD_CMD = "VADD"
VSIM_CMD = "VSIM"
VREM_CMD = "VREM"
VDIM_CMD = "VDIM"
VCARD_CMD = "VCARD"
VEMB_CMD = "VEMB"
VLINKS_CMD = "VLINKS"
VINFO_CMD = "VINFO"
VSETATTR_CMD = "VSETATTR"
VGETATTR_CMD = "VGETATTR"
VRANDMEMBER_CMD = "VRANDMEMBER"
VRANGE_CMD = "VRANGE"
# Return type for vsim command
VSimResult = (
list[list[EncodableT] | dict[EncodableT, Number] | dict[EncodableT, dict[str, Any]]]
| None
)
# Return type for vemb command
VEmbResult = list[EncodableT] | dict[str, EncodableT] | None
# Return type for vlinks command
VLinksResult = list[list[str | bytes] | dict[str | bytes, Number]] | None
# Return type for vrandmember command
VRandMemberResult = list[str] | str | None
# Return type for vgetattr command
VGetAttrResult = dict | None
class QuantizationOptions(Enum):
"""Quantization options for the VADD command."""
NOQUANT = "NOQUANT"
BIN = "BIN"
Q8 = "Q8"
class CallbacksOptions(Enum):
"""Options that can be set for the commands callbacks"""
RAW = "RAW"
WITHSCORES = "WITHSCORES"
WITHATTRIBS = "WITHATTRIBS"
ALLOW_DECODING = "ALLOW_DECODING"
RESP3 = "RESP3"
class VectorSetCommands(CommandsProtocol):
"""Redis VectorSet commands"""
@overload
def vadd(
self: SyncClientProtocol,
key: KeyT,
vector: list[float] | bytes,
element: str,
reduce_dim: int | None = None,
cas: bool | None = False,
quantization: QuantizationOptions | None = None,
ef: Number | None = None,
attributes: dict | str | None = None,
numlinks: int | None = None,
) -> int: ...
@overload
def vadd(
self: AsyncClientProtocol,
key: KeyT,
vector: list[float] | bytes,
element: str,
reduce_dim: int | None = None,
cas: bool | None = False,
quantization: QuantizationOptions | None = None,
ef: Number | None = None,
attributes: dict | str | None = None,
numlinks: int | None = None,
) -> Awaitable[int]: ...
def vadd(
self,
key: KeyT,
vector: list[float] | bytes,
element: str,
reduce_dim: int | None = None,
cas: bool | None = False,
quantization: QuantizationOptions | None = None,
ef: Number | None = None,
attributes: dict | str | None = None,
numlinks: int | None = None,
) -> Awaitable[int] | int:
"""
Add vector ``vector`` for element ``element`` to a vector set ``key``.
``reduce_dim`` sets the dimensions to reduce the vector to.
If not provided, the vector is not reduced.
``cas`` is a boolean flag that indicates whether to use CAS (check-and-set style)
when adding the vector. If not provided, CAS is not used.
``quantization`` sets the quantization type to use.
If not provided, int8 quantization is used.
The options are:
- NOQUANT: No quantization
- BIN: Binary quantization
- Q8: Signed 8-bit quantization
``ef`` sets the exploration factor to use.
If not provided, the default exploration factor is used.
``attributes`` is a dictionary or json string that contains the attributes to set for the vector.
If not provided, no attributes are set.
``numlinks`` sets the number of links to create for the vector.
If not provided, the default number of links is used.
For more information, see https://redis.io/commands/vadd.
"""
if not vector or not element:
raise DataError("Both vector and element must be provided")
pieces = []
if reduce_dim:
pieces.extend(["REDUCE", reduce_dim])
values_pieces = []
if isinstance(vector, bytes):
values_pieces.extend(["FP32", vector])
else:
values_pieces.extend(["VALUES", len(vector)])
values_pieces.extend(vector)
pieces.extend(values_pieces)
pieces.append(element)
if cas:
pieces.append("CAS")
if quantization:
pieces.append(quantization.value)
if ef:
pieces.extend(["EF", ef])
if attributes:
if isinstance(attributes, dict):
# transform attributes to json string
attributes_json = json.dumps(attributes)
else:
attributes_json = attributes
pieces.extend(["SETATTR", attributes_json])
if numlinks:
pieces.extend(["M", numlinks])
return self.execute_command(VADD_CMD, key, *pieces)
@overload
def vsim(
self: SyncClientProtocol,
key: KeyT,
input: list[float] | bytes | str,
with_scores: bool | None = False,
with_attribs: bool | None = False,
count: int | None = None,
ef: Number | None = None,
filter: str | None = None,
filter_ef: str | None = None,
truth: bool | None = False,
no_thread: bool | None = False,
epsilon: Number | None = None,
) -> VSimResult: ...
@overload
def vsim(
self: AsyncClientProtocol,
key: KeyT,
input: list[float] | bytes | str,
with_scores: bool | None = False,
with_attribs: bool | None = False,
count: int | None = None,
ef: Number | None = None,
filter: str | None = None,
filter_ef: str | None = None,
truth: bool | None = False,
no_thread: bool | None = False,
epsilon: Number | None = None,
) -> Awaitable[VSimResult]: ...
def vsim(
self,
key: KeyT,
input: list[float] | bytes | str,
with_scores: bool | None = False,
with_attribs: bool | None = False,
count: int | None = None,
ef: Number | None = None,
filter: str | None = None,
filter_ef: str | None = None,
truth: bool | None = False,
no_thread: bool | None = False,
epsilon: Number | None = None,
) -> Awaitable[VSimResult] | VSimResult:
"""
Compare a vector or element ``input`` with the other vectors in a vector set ``key``.
``with_scores`` sets if similarity scores should be returned for each element in the result.
``with_attribs`` ``with_attribs`` sets if the results should be returned with the
attributes of the elements in the result, or None when no attributes are present.
``count`` sets the number of results to return.
``ef`` sets the exploration factor.
``filter`` sets the filter that should be applied for the search.
``filter_ef`` sets the max filtering effort.
``truth`` when enabled, forces the command to perform a linear scan.
``no_thread`` when enabled forces the command to execute the search
on the data structure in the main thread.
``epsilon`` floating point between 0 and 1, if specified will return
only elements with distance no further than the specified one.
For more information, see https://redis.io/commands/vsim.
"""
if not input:
raise DataError("'input' should be provided")
pieces = []
options = {}
if isinstance(input, bytes):
pieces.extend(["FP32", input])
elif isinstance(input, list):
pieces.extend(["VALUES", len(input)])
pieces.extend(input)
else:
pieces.extend(["ELE", input])
if with_scores or with_attribs:
if check_protocol_version(get_protocol_version(self.client), 3):
options[CallbacksOptions.RESP3.value] = True
if with_scores:
pieces.append("WITHSCORES")
options[CallbacksOptions.WITHSCORES.value] = True
if with_attribs:
pieces.append("WITHATTRIBS")
options[CallbacksOptions.WITHATTRIBS.value] = True
if count:
pieces.extend(["COUNT", count])
if epsilon:
pieces.extend(["EPSILON", epsilon])
if ef:
pieces.extend(["EF", ef])
if filter:
pieces.extend(["FILTER", filter])
if filter_ef:
pieces.extend(["FILTER-EF", filter_ef])
if truth:
pieces.append("TRUTH")
if no_thread:
pieces.append("NOTHREAD")
return self.execute_command(VSIM_CMD, key, *pieces, **options)
@overload
def vdim(self: SyncClientProtocol, key: KeyT) -> int: ...
@overload
def vdim(self: AsyncClientProtocol, key: KeyT) -> Awaitable[int]: ...
def vdim(self, key: KeyT) -> Awaitable[int] | int:
"""
Get the dimension of a vector set.
In the case of vectors that were populated using the `REDUCE`
option, for random projection, the vector set will report the size of
the projected (reduced) dimension.
Raises `redis.exceptions.ResponseError` if the vector set doesn't exist.
For more information, see https://redis.io/commands/vdim.
"""
return self.execute_command(VDIM_CMD, key)
@overload
def vcard(self: SyncClientProtocol, key: KeyT) -> int: ...
@overload
def vcard(self: AsyncClientProtocol, key: KeyT) -> Awaitable[int]: ...
def vcard(self, key: KeyT) -> Awaitable[int] | int:
"""
Get the cardinality(the number of elements) of a vector set with key ``key``.
Raises `redis.exceptions.ResponseError` if the vector set doesn't exist.
For more information, see https://redis.io/commands/vcard.
"""
return self.execute_command(VCARD_CMD, key)
@overload
def vrem(self: SyncClientProtocol, key: KeyT, element: str) -> int: ...
@overload
def vrem(self: AsyncClientProtocol, key: KeyT, element: str) -> Awaitable[int]: ...
def vrem(self, key: KeyT, element: str) -> Awaitable[int] | int:
"""
Remove an element from a vector set.
For more information, see https://redis.io/commands/vrem.
"""
return self.execute_command(VREM_CMD, key, element)
@overload
def vemb(
self: SyncClientProtocol,
key: KeyT,
element: str,
raw: bool | None = False,
) -> VEmbResult: ...
@overload
def vemb(
self: AsyncClientProtocol,
key: KeyT,
element: str,
raw: bool | None = False,
) -> Awaitable[VEmbResult]: ...
def vemb(
self, key: KeyT, element: str, raw: bool | None = False
) -> Awaitable[VEmbResult] | VEmbResult:
"""
Get the approximated vector of an element ``element`` from vector set ``key``.
``raw`` is a boolean flag that indicates whether to return the
internal representation used by the vector.
For more information, see https://redis.io/commands/vemb.
"""
options = {}
pieces = []
pieces.extend([key, element])
if check_protocol_version(get_protocol_version(self.client), 3):
options[CallbacksOptions.RESP3.value] = True
if raw:
pieces.append("RAW")
options[NEVER_DECODE] = True
if (
hasattr(self.client, "connection_pool")
and self.client.connection_pool.connection_kwargs["decode_responses"]
) or (
hasattr(self.client, "nodes_manager")
and self.client.nodes_manager.connection_kwargs["decode_responses"]
):
# allow decoding in the postprocessing callback
# if the user set decode_responses=True
# in the connection pool
options[CallbacksOptions.ALLOW_DECODING.value] = True
options[CallbacksOptions.RAW.value] = True
return self.execute_command(VEMB_CMD, *pieces, **options)
@overload
def vlinks(
self: SyncClientProtocol,
key: KeyT,
element: str,
with_scores: bool | None = False,
) -> VLinksResult: ...
@overload
def vlinks(
self: AsyncClientProtocol,
key: KeyT,
element: str,
with_scores: bool | None = False,
) -> Awaitable[VLinksResult]: ...
def vlinks(
self, key: KeyT, element: str, with_scores: bool | None = False
) -> Awaitable[VLinksResult] | VLinksResult:
"""
Returns the neighbors for each level the element ``element`` exists in the vector set ``key``.
The result is a list of lists, where each list contains the neighbors for one level.
If the element does not exist, or if the vector set does not exist, None is returned.
If the ``WITHSCORES`` option is provided, the result is a list of dicts,
where each dict contains the neighbors for one level, with the scores as values.
For more information, see https://redis.io/commands/vlinks
"""
options = {}
pieces = []
pieces.extend([key, element])
if with_scores:
pieces.append("WITHSCORES")
options[CallbacksOptions.WITHSCORES.value] = True
return self.execute_command(VLINKS_CMD, *pieces, **options)
@overload
def vinfo(self: SyncClientProtocol, key: KeyT) -> dict | None: ...
@overload
def vinfo(self: AsyncClientProtocol, key: KeyT) -> Awaitable[dict | None]: ...
def vinfo(self, key: KeyT) -> (dict | None) | Awaitable[dict | None]:
"""
Get information about a vector set.
For more information, see https://redis.io/commands/vinfo.
"""
return self.execute_command(VINFO_CMD, key)
@overload
def vsetattr(
self: SyncClientProtocol,
key: KeyT,
element: str,
attributes: dict | str | None = None,
) -> int: ...
@overload
def vsetattr(
self: AsyncClientProtocol,
key: KeyT,
element: str,
attributes: dict | str | None = None,
) -> Awaitable[int]: ...
def vsetattr(
self, key: KeyT, element: str, attributes: dict | str | None = None
) -> Awaitable[int] | int:
"""
Associate or remove JSON attributes ``attributes`` of element ``element``
for vector set ``key``.
For more information, see https://redis.io/commands/vsetattr
"""
if attributes is None:
attributes_json = "{}"
elif isinstance(attributes, dict):
# transform attributes to json string
attributes_json = json.dumps(attributes)
else:
attributes_json = attributes
return self.execute_command(VSETATTR_CMD, key, element, attributes_json)
@overload
def vgetattr(
self: SyncClientProtocol, key: KeyT, element: str
) -> VGetAttrResult: ...
@overload
def vgetattr(
self: AsyncClientProtocol, key: KeyT, element: str
) -> Awaitable[VGetAttrResult]: ...
def vgetattr(
self, key: KeyT, element: str
) -> Awaitable[VGetAttrResult] | VGetAttrResult:
"""
Retrieve the JSON attributes of an element ``element `` for vector set ``key``.
If the element does not exist, or if the vector set does not exist, None is
returned.
For more information, see https://redis.io/commands/vgetattr.
"""
return self.execute_command(VGETATTR_CMD, key, element)
@overload
def vrandmember(
self: SyncClientProtocol, key: KeyT, count: int | None = None
) -> VRandMemberResult: ...
@overload
def vrandmember(
self: AsyncClientProtocol, key: KeyT, count: int | None = None
) -> Awaitable[VRandMemberResult]: ...
def vrandmember(
self, key: KeyT, count: int | None = None
) -> Awaitable[VRandMemberResult] | VRandMemberResult:
"""
Returns random elements from a vector set ``key``.
``count`` is the number of elements to return.
If ``count`` is not provided, a single element is returned as a single string.
If ``count`` is positive(smaller than the number of elements
in the vector set), the command returns a list with up to ``count``
distinct elements from the vector set
If ``count`` is negative, the command returns a list with ``count`` random elements,
potentially with duplicates.
If ``count`` is greater than the number of elements in the vector set,
only the entire set is returned as a list.
If the vector set does not exist, ``None`` is returned.
For more information, see https://redis.io/commands/vrandmember.
"""
pieces = []
pieces.append(key)
if count is not None:
pieces.append(count)
return self.execute_command(VRANDMEMBER_CMD, *pieces)
@overload
def vrange(
self: SyncClientProtocol,
key: KeyT,
start: str,
end: str,
count: int | None = None,
) -> list[str]: ...
@overload
def vrange(
self: AsyncClientProtocol,
key: KeyT,
start: str,
end: str,
count: int | None = None,
) -> Awaitable[list[str]]: ...
def vrange(
self, key: KeyT, start: str, end: str, count: int | None = None
) -> Awaitable[list[str]] | list[str]:
"""
Return elements in a lexicographical range from a vector set ``key``.
``start`` is the starting point of the lexicographical range. Can be:
- A string prefixed with '[' for inclusive range (e.g., '[Redis')
- A string prefixed with '(' for exclusive range (e.g., '(a7')
- The special symbol '-' to indicate the minimum element
``end`` is the ending point of the lexicographical range. Can be:
- A string prefixed with '[' for inclusive range
- A string prefixed with '(' for exclusive range
- The special symbol '+' to indicate the maximum element
``count`` is the maximum number of elements to return.
If ``count`` is not provided or negative, all elements in the range are returned.
If ``count`` is positive, at most ``count`` elements are returned.
Returns an array of elements in lexicographical order within the specified range.
Returns an empty array if the key doesn't exist.
For more information, see https://redis.io/commands/vrange.
"""
pieces = [key, start, end]
if count is not None:
pieces.append(count)
return self.execute_command(VRANGE_CMD, *pieces)