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feat(secrets): named Secrets and EnvVarSecret bindings

Browse Source 
Adds the client half of database-scoped named Secrets: a Secret is a name and
an opaque value stored by the service, and a Function binds one to the
environment variable its library already reads.

- `db.create_secret` / `alter_secret` / `list_secrets` / `describe_secret` /
  `drop_secret` on sync, async and remote connections, with the pyo3 binding
  and the Rust client behind them. There is no read API by construction rather
  than by policy: no code path returns a stored credential, and
  `describe_secret` answers with metadata only.
- `EnvVarSecret(secret=..., env_variable=...)` pairs a Secret with the variable
  it arrives in. It is a pure local constructor -- it contacts no server, so it
  cannot fail on a Secret that does not exist -- and it exists so a bare string
  in that position, which would be a credential, is a TypeError rather than a
  plausible-looking mistake that reads identically in a diff.
- `create_function(..., secrets=[...])` carries the bindings as
  `secret_bindings`, a map from variable name to Secret name. The value never
  travels: it is resolved by the service when the Function runs, which is what
  lets a rotation reach columns pinned to an older FunctionVersion.

The UDF body is unchanged and stays portable -- it reads `OPENAI_API_KEY` the
way it always did, and the binding is what puts a value there.

Squashed: the original three commits were a first design plus a rewrite of it,
so their sequence describes an interface that no longer exists.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XE1UwYKsgbb3USBfkqCE6v
This commit is contained in:
Jonathan M Hsieh
2026-09-09 00:12:57 +00:00
co-authored by Claude Opus 5
parent 0111a72dc3
commit 7b29fb2f51
21 changed files with 1274 additions and 118 deletions
Download Patch File Download Diff File Expand all files Collapse all files
python/python/lancedb/__init__.py
+2
View File
@@ -37,6 +37,8 @@ from .functions import (
UdfDefinition as UdfDefinition,
udf as udf,
)
from .secrets import EnvVarSecret as EnvVarSecret
from .secrets import SecretInfo as SecretInfo
from .materialized_view import (
AsyncMaterializedView,
MaterializedView,
python/python/lancedb/_lancedb.pyi
+5
View File
@@ -153,6 +153,11 @@ class Connection(object):
async def get_function(self, name: str, version: str) -> str: ...
async def list_functions(self) -> List[str]: ...
async def drop_function(self, name: str, version: str) -> bool: ...
async def create_secret(self, name: str, value: str) -> None: ...
async def alter_secret(self, name: str, value: str) -> None: ...
async def list_secrets(self) -> List[str]: ...
async def drop_secret(self, name: str) -> None: ...
async def describe_secret(self, name: str) -> Dict[str, str]: ...
async def list_jobs(self) -> List[JobInfo]: ...
async def cancel_job(self, job_id: str) -> bool: ...
async def execute_query_async(
python/python/lancedb/db.py
+161 -11
View File
@@ -17,6 +17,7 @@ from typing import (
List,
Literal,
Optional,
Sequence,
Union,
)
from uuid import UUID
@@ -57,6 +58,7 @@ from .materialized_view import (
SelectArg,
normalize_select,
)
from .secrets import EnvVarSecret, SecretInfo, validate_secret_name
from .table import (
AsyncTable,
LanceTable,
@@ -692,15 +694,47 @@ class DBConnection(EnforceOverrides):
"""
raise NotImplementedError("serialize is not supported for this connection type")
def create_function(self, definition: UdfDefinition) -> FunctionVersion:
def create_function(
self,
definition: UdfDefinition,
*,
secrets: Optional[Sequence[EnvVarSecret]] = None,
) -> FunctionVersion:
"""Register a scalar Python UDF and wait for its immutable version.
This is the blocking counterpart of :meth:`create_function_async`.
Local connections raise ``NotImplementedError``.
"""
return self.create_function_async(definition).wait()
def create_function_async(self, definition: UdfDefinition) -> Job[FunctionVersion]:
Parameters
----------
definition : UdfDefinition
A callable decorated with [udf][lancedb.udf].
secrets : sequence of EnvVarSecret, optional
One [EnvVarSecret][lancedb.secrets.EnvVarSecret] per credential the
Function needs, each naming a Secret and the environment variable
its value arrives in. The Function's source is unchanged by this;
it reads the variable the way it already did.
Examples
--------
```python
db.create_secret("openai-prod", os.environ["OPENAI_API_KEY"])
db.create_function(
analyze_caption,
secrets=[
EnvVarSecret(secret="openai-prod", env_variable="OPENAI_API_KEY")
],
)
```
"""
return self.create_function_async(definition, secrets=secrets).wait()
def create_function_async(
self,
definition: UdfDefinition,
*,
secrets: Optional[Sequence[EnvVarSecret]] = None,
) -> Job[FunctionVersion]:
"""Register a scalar Python UDF through the remote Function catalog.
Submission returns a typed job. The immutable Function version becomes
@@ -745,6 +779,62 @@ class DBConnection(EnforceOverrides):
"Function catalog operations are not supported for this connection type"
)
def create_secret(self, name: str, value: str) -> None:
"""Create a named Secret in this database.
Fails if the name is taken, so a create never silently becomes a
rotation. Nothing reads the value back: it is bound to a Function by
name and resolved by the service when that Function runs. Local
connections raise ``NotImplementedError``.
"""
raise NotImplementedError(
"Secret operations are not supported for this connection type"
)
def alter_secret(self, name: str, value: str) -> None:
"""Replace the credential behind an existing Secret.
Fails if it does not exist. Every Function bound to the Secret uses the
new value from its next job, and no new Function version is created --
which is how a rotation reaches columns pinned to a version registered
before it. Local connections raise ``NotImplementedError``.
"""
raise NotImplementedError(
"Secret operations are not supported for this connection type"
)
def list_secrets(self) -> List[str]:
"""The names of every Secret in this database.
Names only. No method returns a stored credential, by construction
rather than by policy. Local connections raise ``NotImplementedError``.
"""
raise NotImplementedError(
"Secret operations are not supported for this connection type"
)
def drop_secret(self, name: str) -> None:
"""Drop a Secret.
Functions bound to it fail at their next job, naming the Secret; that
is the revocation path. The name becomes free to reuse, and a new
Secret under it is picked up by everything still bound to that name.
Local connections raise ``NotImplementedError``.
"""
raise NotImplementedError(
"Secret operations are not supported for this connection type"
)
def describe_secret(self, name: str) -> SecretInfo:
"""What this database records about a Secret: name and timestamps.
Never the value -- there is no code path that could return one. Local
connections raise ``NotImplementedError``.
"""
raise NotImplementedError(
"Secret operations are not supported for this connection type"
)
def open_job(self, job_id: str) -> Job:
"""Open a server-side job by id, returning a handle with its record
already populated.
@@ -1457,8 +1547,13 @@ class LanceDBConnection(DBConnection):
return Job(LOOP.run(self._conn.open_job(job_id)))
@override
def create_function_async(self, definition: UdfDefinition) -> Job[FunctionVersion]:
job = LOOP.run(self._conn.create_function_async(definition))
def create_function_async(
self,
definition: UdfDefinition,
*,
secrets: Optional[Sequence[EnvVarSecret]] = None,
) -> Job[FunctionVersion]:
job = LOOP.run(self._conn.create_function_async(definition, secrets=secrets))
return Job(job)
@override
@@ -1473,6 +1568,26 @@ class LanceDBConnection(DBConnection):
def drop_function(self, name: str, *, version: str) -> bool:
return LOOP.run(self._conn.drop_function(name, version=version))
@override
def create_secret(self, name: str, value: str) -> None:
LOOP.run(self._conn.create_secret(name, value))
@override
def alter_secret(self, name: str, value: str) -> None:
LOOP.run(self._conn.alter_secret(name, value))
@override
def list_secrets(self) -> List[str]:
return LOOP.run(self._conn.list_secrets())
@override
def drop_secret(self, name: str) -> None:
LOOP.run(self._conn.drop_secret(name))
@override
def describe_secret(self, name: str) -> SecretInfo:
return LOOP.run(self._conn.describe_secret(name))
@override
def list_jobs(self) -> List[JobInfo]:
"""List server-side jobs across the database's tables."""
@@ -2265,18 +2380,23 @@ class AsyncConnection(object):
return AsyncJob(await self._inner.open_job(job_id))
async def create_function_async(
self, definition: UdfDefinition
self,
definition: UdfDefinition,
*,
secrets: Optional[Sequence[EnvVarSecret]] = None,
) -> AsyncJob[FunctionVersion]:
"""Register a scalar Python UDF through the remote Function catalog.
The returned typed job resolves to the immutable Function version.
Local connections raise ``NotImplementedError``.
``secrets`` is a sequence of
[EnvVarSecret][lancedb.secrets.EnvVarSecret], each naming a Secret and
the environment variable its value arrives in. Local connections raise
``NotImplementedError``.
"""
if not isinstance(definition, UdfDefinition):
raise TypeError("create_function_async requires a @udf definition")
inner = await self._inner.create_function_async(
definition.registration_request.to_canonical_json()
)
request = definition.bind_secrets(secrets)
inner = await self._inner.create_function_async(request.to_canonical_json())
return _typed_job(inner, FunctionVersion.from_json)
async def get_function(self, name: str, *, version: str) -> FunctionVersion:
@@ -2298,6 +2418,36 @@ class AsyncConnection(object):
"""Drop one exact immutable Function version from the remote catalog."""
return await self._inner.drop_function(name, version)
async def create_secret(self, name: str, value: str) -> None:
"""Create a named Secret in this database.
Fails if the name is taken, so a create never silently becomes a
rotation. Nothing reads the value back.
"""
await self._inner.create_secret(validate_secret_name(name), value)
async def alter_secret(self, name: str, value: str) -> None:
"""Replace the credential behind an existing Secret.
Fails if it does not exist. Bound Functions use the new value from
their next job, with no new Function version.
"""
await self._inner.alter_secret(validate_secret_name(name), value)
async def list_secrets(self) -> List[str]:
"""The names of every Secret in this database. Names only."""
return await self._inner.list_secrets()
async def drop_secret(self, name: str) -> None:
"""Drop a Secret. Bound Functions fail at their next job."""
await self._inner.drop_secret(validate_secret_name(name))
async def describe_secret(self, name: str) -> SecretInfo:
"""What this database records about a Secret. Never the value."""
return SecretInfo.from_json(
await self._inner.describe_secret(validate_secret_name(name))
)
async def list_jobs(self) -> List[JobInfo]:
"""List server-side jobs across the database's tables."""
return await self._inner.list_jobs()
python/python/lancedb/functions.py
+75 -5
View File
@@ -4,7 +4,7 @@
"""Canonical Function values exchanged with LanceDB Enterprise services.
These immutable models contain client/wire state only. Catalog persistence,
environment bake, and execution are owned by Sophon.
environment bake, secret resolution, and execution are owned by Sophon.
``RefreshColumnResult`` is also the backend-neutral result of a local
expression-backed refresh job.
"""
@@ -25,7 +25,7 @@ import re
import sys
import textwrap
import types
from collections.abc import Mapping
from collections.abc import Mapping, Sequence
from datetime import date, datetime
from typing import (
Annotated,
@@ -50,6 +50,7 @@ from pydantic import (
)
from .schema import is_blob_v2_field as _is_blob_v2_field
from .secrets import EnvVarSecret
_Int32 = conint(strict=True, ge=-(2**31), le=2**31 - 1)
_UInt32 = conint(strict=True, ge=0, le=2**32 - 1)
@@ -309,6 +310,7 @@ class FunctionVersion(_RemoteValue):
runtime: PythonRuntimeSpec
runtime_digest: str
environment_digest: str
secret_bindings: Mapping[str, str] = {}
created_at: str
def __call__(self, **inputs: Any) -> FunctionApplication:
@@ -370,12 +372,18 @@ class FunctionVersion(_RemoteValue):
class FunctionRegistrationRequest(_RemoteValue):
"""Stable remote registration envelope produced by :func:`udf`."""
"""Stable remote registration envelope produced by :func:`udf`.
Credential values deliberately have no field here. The only secret-shaped
thing a client sends is ``secret_bindings``: the name of a Secret the
database already holds, which the remote service resolves at execution.
"""
name: str
artifact: FunctionArtifactRequest
signature: FunctionSignature
runtime: PythonRuntimeSpec
secret_bindings: Mapping[str, str] = {}
class FunctionVersionRef(_OpenRemoteValue):
@@ -524,6 +532,14 @@ class RefreshColumnResult(_RemoteValue):
_FUNCTION_NAME = re.compile(r"^[A-Za-z_][A-Za-z0-9_.-]*$")
_DECLARED_SECRET = re.compile(r"^[A-Za-z_][A-Za-z0-9_]*$")
MAX_FUNCTION_SECRET_BINDINGS = 16
"""A Function binds at most this many Secrets.
Each bound Secret is one extra read on the launch path of every fragment, so
the count needs a bound for the same reason a credential needs a size limit.
"""
_FUNCTION_BLOB_V2_TYPE = "blob_v2"
_ARROW_EXTENSION_NAME_KEY = "ARROW:extension:name"
_BLOB_V2_EXTENSION_NAME = "lance.blob.v2"
@@ -1265,9 +1281,61 @@ class UdfDefinition:
@property
def registration_request(self) -> FunctionRegistrationRequest:
"""The immutable request sent by ``create_function_async``."""
"""The immutable request sent by ``create_function_async``.
Carries no secret bindings. Binding is a registration-time decision,
so a Function bound to Secrets is registered through :meth:`bind_secrets`,
which is what ``create_function`` calls.
"""
return self._request
def bind_secrets(
self, secrets: Optional[Sequence[EnvVarSecret]]
) -> FunctionRegistrationRequest:
"""The registration request for this definition bound to ``secrets``.
Binding does not change the Function's source: each
[EnvVarSecret][lancedb.secrets.EnvVarSecret] names a Secret and the
environment variable its value should arrive in, and the Function reads
that variable the way it already did. Whether the named Secrets exist is
the server's answer, not this one.
"""
bindings = () if secrets is None else tuple(secrets)
wrong_type = [
binding for binding in bindings if not isinstance(binding, EnvVarSecret)
]
if wrong_type:
kinds = sorted({type(binding).__name__ for binding in wrong_type})
raise TypeError(
f"Function secrets must be EnvVarSecret values, not {kinds!r}; a "
"credential value is never sent to this API"
)
if len(bindings) > MAX_FUNCTION_SECRET_BINDINGS:
raise ValueError(
f"a Function binds at most {MAX_FUNCTION_SECRET_BINDINGS} secrets, "
f"not {len(bindings)}"
)
variables = [binding.env_variable for binding in bindings]
duplicates = sorted({name for name in variables if variables.count(name) > 1})
if duplicates:
raise ValueError(
"a Function binds each environment variable once; duplicated: "
f"{duplicates!r}"
)
# `env` is ordinary configuration carried in the definition, so a name in
# both would have a value visible in the Function's record and a value
# that is not. Refuse rather than pick.
environment = self._request.runtime.env or {}
overlap = sorted(set(environment) & set(variables))
if overlap:
raise ValueError(
f"Function env and secret bindings must be disjoint: {overlap!r}"
)
if not bindings:
return self._request
resolved = {binding.env_variable: binding.secret for binding in bindings}
return self._request._copy(update={"secret_bindings": resolved})
def __call__(self, *args, **kwargs):
return self._function(*args, **kwargs)
@@ -1332,7 +1400,9 @@ def udf(
conda_channels : sequence of str, optional
Conda channels in priority order; requires ``conda``.
env : mapping of str to str, optional
Environment variables included in the Function definition.
Environment variables included in the Function definition. Not for
credentials -- these are ordinary configuration, stored with the
Function and visible wherever it is.
python_version : str, optional
Remote Python major/minor version. Defaults to the client version.
gpu : bool, default False
python/python/lancedb/remote/db.py
+39 -3
View File
@@ -7,7 +7,16 @@ import json
import logging
from concurrent.futures import ThreadPoolExecutor
import sys
from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, Union
from typing import (
TYPE_CHECKING,
Any,
Dict,
Iterable,
List,
Optional,
Sequence,
Union,
)
from urllib.parse import urlparse
from uuid import UUID
import warnings
@@ -29,6 +38,7 @@ from ..job import AsyncJob, Job
from ..sql import Query as SqlQuery
from ..sql import QueryDescription
from ..materialized_view import MaterializedView, SelectArg
from ..secrets import EnvVarSecret, SecretInfo
if TYPE_CHECKING:
from .._lancedb import JobInfo
@@ -746,8 +756,14 @@ class RemoteDBConnection(DBConnection):
return Job(LOOP.run(self._conn.open_job(job_id)))
@override
def create_function_async(self, definition: UdfDefinition) -> Job[FunctionVersion]:
return Job(LOOP.run(self._conn.create_function_async(definition)))
def create_function_async(
self,
definition: UdfDefinition,
*,
secrets: Optional[Sequence[EnvVarSecret]] = None,
) -> Job[FunctionVersion]:
job = LOOP.run(self._conn.create_function_async(definition, secrets=secrets))
return Job(job)
@override
def get_function(self, name: str, *, version: str) -> FunctionVersion:
@@ -761,6 +777,26 @@ class RemoteDBConnection(DBConnection):
def drop_function(self, name: str, *, version: str) -> bool:
return LOOP.run(self._conn.drop_function(name, version=version))
@override
def create_secret(self, name: str, value: str) -> None:
LOOP.run(self._conn.create_secret(name, value))
@override
def alter_secret(self, name: str, value: str) -> None:
LOOP.run(self._conn.alter_secret(name, value))
@override
def describe_secret(self, name: str) -> SecretInfo:
return LOOP.run(self._conn.describe_secret(name))
@override
def list_secrets(self) -> List[str]:
return LOOP.run(self._conn.list_secrets())
@override
def drop_secret(self, name: str) -> None:
LOOP.run(self._conn.drop_secret(name))
@override
def list_jobs(self) -> List["JobInfo"]:
"""List server-side jobs across the database's tables."""
python/python/lancedb/secrets.py
+165
View File
@@ -0,0 +1,165 @@
# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright The LanceDB Authors
"""Named Secrets, and the bindings that deliver them to Functions.
A Secret is a database-scoped named credential. Nothing in this module holds a
value: :class:`EnvVarSecret` names one and says which environment variable it
should arrive in, and the value is resolved by the remote service when a
Function bound to it runs. No API returns a stored credential, by construction
rather than by policy -- there is no code path that could.
"""
from __future__ import annotations
import re
_SECRET_NAME = re.compile(r"^[A-Za-z0-9_-]{1,255}$")
_ENV_VARIABLE = re.compile(r"^[A-Za-z_][A-Za-z0-9_]*$")
def validate_secret_name(name: str) -> str:
"""Check a Secret name locally and return it unchanged."""
if not isinstance(name, str):
raise TypeError(f"Secret name must be a string, not {type(name).__name__}")
if not _SECRET_NAME.fullmatch(name):
raise ValueError(f"invalid Secret name: {name!r}")
return name
def validate_env_variable(name: str) -> str:
"""Check an environment variable name locally and return it unchanged."""
if not isinstance(name, str):
raise TypeError(
f"environment variable name must be a string, not {type(name).__name__}"
)
if not _ENV_VARIABLE.fullmatch(name):
raise ValueError(f"invalid environment variable name: {name!r}")
return name
class EnvVarSecret:
"""A Secret bound to the environment variable a Function's library reads.
Pass these in the ``secrets`` sequence of
[DBConnection.create_function][lancedb.db.DBConnection.create_function]. The
Function's source is unchanged by binding: it reads ``OPENAI_API_KEY`` the
way it always did, and the binding is what puts a value there.
This is a local value. Constructing it contacts no server, so it always
succeeds and says nothing about whether the Secret exists; that is checked
at registration, where a mistyped Secret name surfaces as a clear "does not
exist" naming both the Secret and the variable bound to it. A mistyped
*variable* name cannot be caught anywhere -- nothing knows which variables a
Function reads -- so it surfaces on the first rows instead.
The type exists so a credential cannot be passed by accident. A bare string
in the same position is a plausible-looking mistake with the opposite
meaning, and it reads identically in a diff.
Parameters
----------
secret : str
The Secret's database-scoped name.
env_variable : str
The environment variable the Function reads it from.
Examples
--------
>>> from lancedb import EnvVarSecret
>>> binding = EnvVarSecret(secret="openai-prod", env_variable="OPENAI_API_KEY")
>>> binding.secret, binding.env_variable
('openai-prod', 'OPENAI_API_KEY')
"""
__slots__ = ("_secret", "_env_variable")
def __init__(self, secret: str, env_variable: str):
self._secret = validate_secret_name(secret)
self._env_variable = validate_env_variable(env_variable)
@property
def secret(self) -> str:
"""The Secret's database-scoped name."""
return self._secret
@property
def env_variable(self) -> str:
"""The environment variable the value is delivered in."""
return self._env_variable
def __repr__(self) -> str:
return (
f"EnvVarSecret(secret={self._secret!r}, "
f"env_variable={self._env_variable!r})"
)
def __eq__(self, other: object) -> bool:
return (
isinstance(other, EnvVarSecret)
and other._secret == self._secret
and other._env_variable == self._env_variable
)
def __hash__(self) -> int:
return hash((EnvVarSecret, self._secret, self._env_variable))
class SecretInfo:
"""What a database records about a Secret. Never its value.
Returned by
[DBConnection.describe_secret][lancedb.db.DBConnection.describe_secret].
"""
__slots__ = ("_name", "_created_at", "_updated_at")
def __init__(self, name: str, created_at: str, updated_at: str):
self._name = name
self._created_at = created_at
self._updated_at = updated_at
@property
def name(self) -> str:
"""The Secret's database-scoped name."""
return self._name
@property
def created_at(self) -> str:
"""When the Secret was created, as an RFC 3339 timestamp."""
return self._created_at
@property
def updated_at(self) -> str:
"""When the Secret's value was last rotated, as an RFC 3339 timestamp."""
return self._updated_at
@classmethod
def from_json(cls, value: dict) -> "SecretInfo":
return cls(
name=value["name"],
created_at=value["created_at"],
updated_at=value["updated_at"],
)
def __repr__(self) -> str:
return (
f"SecretInfo(name={self._name!r}, created_at={self._created_at!r}, "
f"updated_at={self._updated_at!r})"
)
def __eq__(self, other: object) -> bool:
return (
isinstance(other, SecretInfo)
and other._name == self._name
and other._created_at == self._created_at
and other._updated_at == self._updated_at
)
__all__ = [
"EnvVarSecret",
"SecretInfo",
"validate_env_variable",
"validate_secret_name",
]
python/python/tests/test_first_class_function_slice1.py
+36
View File
@@ -37,6 +37,22 @@ def job_result(name: str) -> dict:
return json.loads(fixture(name))["result"]
def assert_no_secret_values(value):
"""No client value models a resolved credential, at any nesting depth."""
if isinstance(value, dict):
for key, child in value.items():
assert key not in {
"secret_value",
"secret_values",
"resolved_secret",
"resolved_secrets",
}
assert_no_secret_values(child)
elif isinstance(value, list):
for child in value:
assert_no_secret_values(child)
def test_public_function_values_are_in_api_reference():
docs = Path(__file__).parents[3] / "docs" / "src" / "python" / "python.md"
rendered = docs.read_text()
@@ -94,6 +110,7 @@ def test_function_version_identity_is_immutable_and_exact():
version = FunctionVersion.from_json(json.dumps(value))
assert version.name == "embed"
assert version.version == "fv_01K3EXACT"
assert dict(version.secret_bindings) == {"HF_TOKEN": "hf-prod"}
with pytest.raises((TypeError, ValueError)):
version.version = "fv_changed"
@@ -276,6 +293,25 @@ def test_refresh_result_rejects_non_u64_values(field):
RefreshColumnResult.from_json(json.dumps(value))
def test_canonical_client_values_carry_bindings_and_no_credentials():
"""A binding names a Secret; the credential behind it has no client field."""
version = FunctionVersion.from_json(
json.dumps(job_result("remote_function_job.json"))
)
canonical = json.loads(version.to_canonical_json())
assert canonical["secret_bindings"] == {"HF_TOKEN": "hf-prod"}
assert_no_secret_values(canonical)
def test_a_version_without_bindings_keeps_the_original_wire_shape():
"""Every Function registered before Secrets existed serializes unchanged."""
value = job_result("remote_function_job.json")
del value["secret_bindings"]
version = FunctionVersion.from_json(json.dumps(value))
assert dict(version.secret_bindings) == {}
assert "secret_bindings" not in json.loads(version.to_canonical_json())
class _FunctionDeclarationInner:
def __init__(self):
self.calls = []
python/python/tests/test_first_class_function_slice2.py
+183
View File
@@ -28,6 +28,7 @@ from lancedb.functions import (
_GRAMMAR_PRIMITIVES,
udf,
)
from lancedb.secrets import EnvVarSecret
THRESHOLD = 20
_CACHE = None
@@ -53,6 +54,15 @@ def normalize_score(value: float) -> float:
return value / 100.0
@udf(
pip=["openai==3.7.0"],
env={"MODE": "test"},
python_version="3.12",
)
def analyze_caption(caption: str) -> str:
return caption.strip()
def test_scalar_udf_matches_shared_registration_golden_and_remains_callable():
assert isinstance(normalize_score, UdfDefinition)
assert normalize_score(25.0) == 0.25
@@ -69,6 +79,98 @@ def test_scalar_udf_matches_shared_registration_golden_and_remains_callable():
}
def test_secret_bound_udf_matches_its_shared_registration_golden():
assert analyze_caption(" hello ") == "hello"
bound = analyze_caption.bind_secrets(
[EnvVarSecret(secret="openai-prod", env_variable="OPENAI_API_KEY")]
)
assert (
bound.to_canonical_json()
== (FIXTURES / "remote_function_secret_registration_request.canonical.json")
.read_text()
.strip()
)
def test_an_unbound_request_carries_no_binding_at_all():
"""Binding is a registration-time decision, so the definition holds none.
The decorator declares nothing about secrets, which is what makes the PRD's
claim true: a Function's source and its registration request are identical
whether or not a credential is later bound to it.
"""
unbound = json.loads(analyze_caption.registration_request.to_canonical_json())
assert "secret_bindings" not in unbound
assert "OPENAI_API_KEY" not in json.dumps(unbound)
def test_binding_a_secret_leaves_the_packaged_artifact_untouched():
"""The artifact is source bytes and nothing else, with or without secrets."""
bound = analyze_caption.bind_secrets(
[EnvVarSecret(secret="openai-prod", env_variable="OPENAI_API_KEY")]
)
assert bound.artifact == analyze_caption.registration_request.artifact
assert bound.artifact.digest == analyze_caption.registration_request.artifact.digest
def test_a_function_declaring_no_secret_is_registered_exactly_as_before():
"""The compatibility claim: nothing about the no-secret path moves."""
assert (
normalize_score.bind_secrets(None).to_canonical_json()
== normalize_score.registration_request.to_canonical_json()
)
assert (
"secret_bindings"
not in normalize_score.registration_request.to_canonical_json()
)
def test_a_function_binds_each_variable_once():
with pytest.raises(ValueError, match="binds each environment variable once"):
analyze_caption.bind_secrets(
[
EnvVarSecret(secret="openai-prod", env_variable="OPENAI_API_KEY"),
EnvVarSecret(secret="openai-staging", env_variable="OPENAI_API_KEY"),
]
)
def test_bindings_may_not_collide_with_plain_configuration():
"""`env` is stored with the Function; a Secret is not. Refuse, do not pick."""
with pytest.raises(ValueError, match="must be disjoint"):
analyze_caption.bind_secrets(
[EnvVarSecret(secret="mode-prod", env_variable="MODE")]
)
def test_a_function_binds_at_most_sixteen_secrets():
bindings = [
EnvVarSecret(secret=f"secret-{index}", env_variable=f"TOKEN_{index}")
for index in range(17)
]
with pytest.raises(ValueError, match="at most 16 secrets"):
normalize_score.bind_secrets(bindings)
def test_a_credential_value_is_rejected_in_the_binding_position():
"""The one mistake the typed binding exists to stop."""
with pytest.raises(TypeError, match="EnvVarSecret"):
analyze_caption.bind_secrets(["sk-live-0001"])
@pytest.mark.parametrize(
("secret", "variable", "message"),
[
("openai-prod", "not-a-var", "invalid environment variable name"),
("openai-prod", "API-TOKEN", "invalid environment variable name"),
("not a name", "API_TOKEN", "invalid Secret name"),
],
)
def test_a_binding_validates_both_names_locally(secret, variable, message):
with pytest.raises(ValueError, match=message):
EnvVarSecret(secret=secret, env_variable=variable)
def _main_udf_source(
*, threshold: int = 20, input_annotation: str = "int", comparison: str = ">="
) -> str:
@@ -1230,6 +1332,7 @@ def _mock_remote_function_catalog():
"runtime": body["runtime"],
"runtime_digest": "sha256:runtime",
"environment_digest": "sha256:environment",
"secret_bindings": body.get("secret_bindings", {}),
"created_at": "2026-08-21T00:00:00Z",
}
response = {"job_id": "job-register"}
@@ -1270,6 +1373,21 @@ def _mock_remote_function_catalog():
"version": "fv_exact",
}
response = {"dropped": True}
elif self.path in ("/v1/secrets/create", "/v1/secrets/alter"):
assert set(body) == {"name", "value"}
response = {}
elif self.path == "/v1/secrets/list":
if "page_token" not in body:
response = {
"secrets": [{"name": "openai-prod"}],
"page_token": "next",
}
else:
assert body["page_token"] == "next"
response = {"secrets": [{"name": "hf-prod"}]}
elif self.path == "/v1/secrets/drop":
assert body == {"name": "openai-prod"}
response = {}
else:
status = 404
response = {"error": "not found"}
@@ -1312,6 +1430,71 @@ def test_remote_registration_job_and_exact_version_reopen_round_trip():
)
def test_remote_registration_sends_bindings_and_never_a_credential():
with _mock_remote_function_catalog() as (host, state):
db = lancedb.connect(
"db://dev",
api_key="fake",
host_override=host,
client_config={"retry_config": {"retries": 0}},
)
created = db.create_function(
analyze_caption,
secrets=[EnvVarSecret(secret="openai-prod", env_variable="OPENAI_API_KEY")],
)
assert dict(created.secret_bindings) == {"OPENAI_API_KEY": "openai-prod"}
path, create_request = state["requests"][0]
assert path == "/v1/functions/create"
assert create_request["secret_bindings"] == {"OPENAI_API_KEY": "openai-prod"}
# The request names a Secret and carries nothing that could be one.
assert create_request == json.loads(
analyze_caption.bind_secrets(
[EnvVarSecret(secret="openai-prod", env_variable="OPENAI_API_KEY")]
).to_canonical_json()
)
def test_remote_secret_verbs_round_trip():
with _mock_remote_function_catalog() as (host, state):
db = lancedb.connect(
"db://dev",
api_key="fake",
host_override=host,
client_config={"retry_config": {"retries": 0}},
)
assert db.create_secret("openai-prod", "sk-live-0001") is None
assert db.alter_secret("openai-prod", "sk-live-0002") is None
assert db.list_secrets() == ["openai-prod", "hf-prod"]
assert db.drop_secret("openai-prod") is None
routes = [path for path, _ in state["requests"]]
assert routes == [
"/v1/secrets/create",
"/v1/secrets/alter",
"/v1/secrets/list",
"/v1/secrets/list",
"/v1/secrets/drop",
]
assert state["requests"][0][1] == {"name": "openai-prod", "value": "sk-live-0001"}
# The listing returns names, and the client has no way to ask for more.
assert state["requests"][2][1] == {}
def test_building_a_binding_contacts_no_server():
"""A binding is a local value: it says nothing about whether the Secret exists.
Existence is the server's answer at registration, where a mistyped name is a
clear error rather than a client-side check that was already stale.
"""
with _mock_remote_function_catalog() as (_host, state):
binding = EnvVarSecret(secret="openai-prod", env_variable="OPENAI_API_KEY")
assert binding.secret == "openai-prod"
assert binding.env_variable == "OPENAI_API_KEY"
assert state["requests"] == []
def test_blocking_remote_registration_returns_function_version():
with _mock_remote_function_catalog() as (host, state):
db = lancedb.connect(
python/src/connection.rs
+50
View File
@@ -704,6 +704,56 @@ impl Connection {
})
}
pub fn create_secret(
self_: PyRef<'_, Self>,
name: String,
value: String,
) -> PyResult<Bound<'_, PyAny>> {
let inner = self_.get_inner()?.clone();
future_into_py(self_.py(), async move {
inner.create_secret(name, value).await.infer_error()
})
}
pub fn alter_secret(
self_: PyRef<'_, Self>,
name: String,
value: String,
) -> PyResult<Bound<'_, PyAny>> {
let inner = self_.get_inner()?.clone();
future_into_py(self_.py(), async move {
inner.alter_secret(name, value).await.infer_error()
})
}
pub fn list_secrets(self_: PyRef<'_, Self>) -> PyResult<Bound<'_, PyAny>> {
let inner = self_.get_inner()?.clone();
future_into_py(self_.py(), async move {
inner.list_secrets().await.infer_error()
})
}
pub fn drop_secret(self_: PyRef<'_, Self>, name: String) -> PyResult<Bound<'_, PyAny>> {
let inner = self_.get_inner()?.clone();
future_into_py(self_.py(), async move {
inner.drop_secret(name).await.infer_error()
})
}
/// Name and timestamps as a plain mapping. `SecretInfo` carries no value,
/// so there is none to filter out here.
pub fn describe_secret(self_: PyRef<'_, Self>, name: String) -> PyResult<Bound<'_, PyAny>> {
let inner = self_.get_inner()?.clone();
future_into_py(self_.py(), async move {
let info = inner.describe_secret(name).await.infer_error()?;
Ok(HashMap::from([
("name".to_string(), info.name),
("created_at".to_string(), info.created_at),
("updated_at".to_string(), info.updated_at),
]))
})
}
pub fn list_jobs(self_: PyRef<'_, Self>) -> PyResult<Bound<'_, PyAny>> {
let inner = self_.get_inner()?.clone();
future_into_py(self_.py(), async move {
python/uv.lock
Generated
+98 -95
View File
@@ -10,6 +10,9 @@ resolution-markers = [
"python_full_version < '3.11'",
]
[options]
prerelease-mode = "allow"
[[package]]
name = "accelerate"
version = "1.14.0"
@@ -799,7 +802,7 @@ name = "cuda-bindings"
version = "13.3.1"
source = { registry = "https://pypi.org/simple" }
dependencies = [
{ name = "cuda-pathfinder", marker = "(python_full_version < '3.14' and sys_platform == 'emscripten') or (python_full_version < '3.14' and sys_platform == 'win32') or (sys_platform != 'emscripten' and sys_platform != 'win32')" },
{ name = "cuda-pathfinder" },
]
wheels = [
{ url = "https://files.pythonhosted.org/packages/a9/21/8464d133752951c154feafb3b65c297e7d80f301183d220bec4c830f1441/cuda_bindings-13.3.1-cp310-cp310-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:120fcc53d57903df529c3486962c56528cba5b7d6c57c99537320ed9922c8b86", size = 6073403, upload-time = "2026-05-29T23:11:36.22Z" },
@@ -834,37 +837,37 @@ wheels = [
[package.optional-dependencies]
cublas = [
{ name = "nvidia-cublas", marker = "(python_full_version < '3.14' and sys_platform == 'win32') or sys_platform == 'linux'" },
{ name = "nvidia-cublas" },
]
cudart = [
{ name = "nvidia-cuda-runtime", marker = "(python_full_version < '3.14' and sys_platform == 'win32') or sys_platform == 'linux'" },
{ name = "nvidia-cuda-runtime" },
]
cufft = [
{ name = "nvidia-cufft", marker = "(python_full_version < '3.14' and sys_platform == 'win32') or sys_platform == 'linux'" },
{ name = "nvidia-cufft" },
]
cufile = [
{ name = "nvidia-cufile", marker = "sys_platform == 'linux'" },
{ name = "nvidia-cufile" },
]
cupti = [
{ name = "nvidia-cuda-cupti", marker = "(python_full_version < '3.14' and sys_platform == 'win32') or sys_platform == 'linux'" },
{ name = "nvidia-cuda-cupti" },
]
curand = [
{ name = "nvidia-curand", marker = "(python_full_version < '3.14' and sys_platform == 'win32') or sys_platform == 'linux'" },
{ name = "nvidia-curand" },
]
cusolver = [
{ name = "nvidia-cusolver", marker = "(python_full_version < '3.14' and sys_platform == 'win32') or sys_platform == 'linux'" },
{ name = "nvidia-cusolver" },
]
cusparse = [
{ name = "nvidia-cusparse", marker = "(python_full_version < '3.14' and sys_platform == 'win32') or sys_platform == 'linux'" },
{ name = "nvidia-cusparse" },
]
nvjitlink = [
{ name = "nvidia-nvjitlink", marker = "(python_full_version < '3.14' and sys_platform == 'win32') or sys_platform == 'linux'" },
{ name = "nvidia-nvjitlink" },
]
nvrtc = [
{ name = "nvidia-cuda-nvrtc", marker = "(python_full_version < '3.14' and sys_platform == 'win32') or sys_platform == 'linux'" },
{ name = "nvidia-cuda-nvrtc" },
]
nvtx = [
{ name = "nvidia-nvtx", marker = "(python_full_version < '3.14' and sys_platform == 'win32') or sys_platform == 'linux'" },
{ name = "nvidia-nvtx" },
]
[[package]]
@@ -1023,7 +1026,7 @@ name = "exceptiongroup"
version = "1.3.1"
source = { registry = "https://pypi.org/simple" }
dependencies = [
{ name = "typing-extensions", marker = "python_full_version < '3.11'" },
{ name = "typing-extensions" },
]
sdist = { url = "https://files.pythonhosted.org/packages/50/79/66800aadf48771f6b62f7eb014e352e5d06856655206165d775e675a02c9/exceptiongroup-1.3.1.tar.gz", hash = "sha256:8b412432c6055b0b7d14c310000ae93352ed6754f70fa8f7c34141f91c4e3219", size = 30371, upload-time = "2025-11-21T23:01:54.787Z" }
wheels = [
@@ -1440,16 +1443,16 @@ resolution-markers = [
"python_full_version < '3.11'",
]
dependencies = [
{ name = "cachetools", marker = "python_full_version < '3.11'" },
{ name = "certifi", marker = "python_full_version < '3.11'" },
{ name = "httpx", marker = "python_full_version < '3.11'" },
{ name = "ibm-cos-sdk", marker = "python_full_version < '3.11'" },
{ name = "lomond", marker = "python_full_version < '3.11'" },
{ name = "packaging", marker = "python_full_version < '3.11'" },
{ name = "pandas", version = "2.2.3", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.11'" },
{ name = "requests", marker = "python_full_version < '3.11'" },
{ name = "tabulate", marker = "python_full_version < '3.11'" },
{ name = "urllib3", marker = "python_full_version < '3.11'" },
{ name = "cachetools" },
{ name = "certifi" },
{ name = "httpx" },
{ name = "ibm-cos-sdk" },
{ name = "lomond" },
{ name = "packaging" },
{ name = "pandas", version = "2.2.3", source = { registry = "https://pypi.org/simple" } },
{ name = "requests" },
{ name = "tabulate" },
{ name = "urllib3" },
]
sdist = { url = "https://files.pythonhosted.org/packages/c7/56/2e3df38a1f13062095d7bde23c87a92f3898982993a15186b1bfecbd206f/ibm_watsonx_ai-1.3.42.tar.gz", hash = "sha256:ee5be59009004245d957ce97d1227355516df95a2640189749487614fef674ff", size = 688651, upload-time = "2025-10-01T13:35:41.527Z" }
wheels = [
@@ -1468,17 +1471,17 @@ resolution-markers = [
"python_full_version == '3.11.*'",
]
dependencies = [
{ name = "cachetools", marker = "python_full_version >= '3.11'" },
{ name = "certifi", marker = "python_full_version >= '3.11'" },
{ name = "httpx", marker = "python_full_version >= '3.11'" },
{ name = "ibm-cos-sdk", marker = "python_full_version >= '3.11'" },
{ name = "lomond", marker = "python_full_version >= '3.11'" },
{ name = "packaging", marker = "python_full_version >= '3.11'" },
{ name = "pandas", version = "2.3.3", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.11' and python_full_version < '3.14'" },
{ name = "cachetools" },
{ name = "certifi" },
{ name = "httpx" },
{ name = "ibm-cos-sdk" },
{ name = "lomond" },
{ name = "packaging" },
{ name = "pandas", version = "2.3.3", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.14'" },
{ name = "pandas", version = "3.0.3", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.14'" },
{ name = "requests", marker = "python_full_version >= '3.11'" },
{ name = "tabulate", marker = "python_full_version >= '3.11'" },
{ name = "urllib3", marker = "python_full_version >= '3.11'" },
{ name = "requests" },
{ name = "tabulate" },
{ name = "urllib3" },
]
sdist = { url = "https://files.pythonhosted.org/packages/29/a3/c756b534696ab2f3f29882fdb7ca7198b7a5c94e10c0a3a327853d6d6b79/ibm_watsonx_ai-1.5.14.tar.gz", hash = "sha256:a756488bd57e87c0fc51be42dcba871143cfe0ac1e805c497c5047e1e4f13e9d", size = 735804, upload-time = "2026-06-22T12:32:43.85Z" }
wheels = [
@@ -1554,17 +1557,17 @@ resolution-markers = [
"python_full_version < '3.11'",
]
dependencies = [
{ name = "colorama", marker = "python_full_version < '3.11' and sys_platform == 'win32'" },
{ name = "decorator", marker = "python_full_version < '3.11'" },
{ name = "exceptiongroup", marker = "python_full_version < '3.11'" },
{ name = "jedi", marker = "python_full_version < '3.11'" },
{ name = "matplotlib-inline", marker = "python_full_version < '3.11'" },
{ name = "pexpect", marker = "python_full_version < '3.11' and sys_platform != 'emscripten' and sys_platform != 'win32'" },
{ name = "prompt-toolkit", marker = "python_full_version < '3.11'" },
{ name = "pygments", marker = "python_full_version < '3.11'" },
{ name = "stack-data", marker = "python_full_version < '3.11'" },
{ name = "traitlets", marker = "python_full_version < '3.11'" },
{ name = "typing-extensions", marker = "python_full_version < '3.11'" },
{ name = "colorama", marker = "sys_platform == 'win32'" },
{ name = "decorator" },
{ name = "exceptiongroup" },
{ name = "jedi" },
{ name = "matplotlib-inline" },
{ name = "pexpect", marker = "sys_platform != 'emscripten' and sys_platform != 'win32'" },
{ name = "prompt-toolkit" },
{ name = "pygments" },
{ name = "stack-data" },
{ name = "traitlets" },
{ name = "typing-extensions" },
]
sdist = { url = "https://files.pythonhosted.org/packages/40/18/f8598d287006885e7136451fdea0755af4ebcbfe342836f24deefaed1164/ipython-8.39.0.tar.gz", hash = "sha256:4110ae96012c379b8b6db898a07e186c40a2a1ef5d57a7fa83166047d9da7624", size = 5513971, upload-time = "2026-03-27T10:02:13.94Z" }
wheels = [
@@ -1583,18 +1586,18 @@ resolution-markers = [
"python_full_version == '3.11.*'",
]
dependencies = [
{ name = "colorama", marker = "python_full_version >= '3.11' and sys_platform == 'win32'" },
{ name = "decorator", marker = "python_full_version >= '3.11'" },
{ name = "ipython-pygments-lexers", marker = "python_full_version >= '3.11'" },
{ name = "jedi", marker = "python_full_version >= '3.11'" },
{ name = "matplotlib-inline", marker = "python_full_version >= '3.11'" },
{ name = "pexpect", marker = "python_full_version >= '3.11' and sys_platform != 'emscripten' and sys_platform != 'win32'" },
{ name = "prompt-toolkit", marker = "python_full_version >= '3.11'" },
{ name = "psutil", marker = "python_full_version >= '3.11' and sys_platform != 'cygwin' and sys_platform != 'emscripten'" },
{ name = "pygments", marker = "python_full_version >= '3.11'" },
{ name = "stack-data", marker = "python_full_version >= '3.11'" },
{ name = "traitlets", marker = "python_full_version >= '3.11'" },
{ name = "typing-extensions", marker = "python_full_version == '3.11.*'" },
{ name = "colorama", marker = "sys_platform == 'win32'" },
{ name = "decorator" },
{ name = "ipython-pygments-lexers" },
{ name = "jedi" },
{ name = "matplotlib-inline" },
{ name = "pexpect", marker = "sys_platform != 'emscripten' and sys_platform != 'win32'" },
{ name = "prompt-toolkit" },
{ name = "psutil", marker = "sys_platform != 'cygwin' and sys_platform != 'emscripten'" },
{ name = "pygments" },
{ name = "stack-data" },
{ name = "traitlets" },
{ name = "typing-extensions", marker = "python_full_version < '3.12'" },
]
sdist = { url = "https://files.pythonhosted.org/packages/53/59/165d3b4d75cc34add3122c4417ecb229085140ac573103c223cd01dde96f/ipython-9.15.0.tar.gz", hash = "sha256:da2819ce2aa83135257df830660b1176d986c3d2876db24df01974fa955b2756", size = 4442580, upload-time = "2026-06-26T11:03:35.913Z" }
wheels = [
@@ -1606,7 +1609,7 @@ name = "ipython-pygments-lexers"
version = "1.1.1"
source = { registry = "https://pypi.org/simple" }
dependencies = [
{ name = "pygments", marker = "python_full_version >= '3.11'" },
{ name = "pygments" },
]
sdist = { url = "https://files.pythonhosted.org/packages/ef/4c/5dd1d8af08107f88c7f741ead7a40854b8ac24ddf9ae850afbcf698aa552/ipython_pygments_lexers-1.1.1.tar.gz", hash = "sha256:09c0138009e56b6854f9535736f4171d855c8c08a563a0dcd8022f78355c7e81", size = 8393, upload-time = "2025-01-17T11:24:34.505Z" }
wheels = [
@@ -2858,7 +2861,7 @@ name = "nvidia-cudnn-cu13"
version = "9.19.0.56"
source = { registry = "https://pypi.org/simple" }
dependencies = [
{ name = "nvidia-cublas", marker = "(python_full_version < '3.14' and sys_platform == 'emscripten') or (python_full_version < '3.14' and sys_platform == 'win32') or (sys_platform != 'emscripten' and sys_platform != 'win32')" },
{ name = "nvidia-cublas" },
]
wheels = [
{ url = "https://files.pythonhosted.org/packages/f1/84/26025437c1e6b61a707442184fa0c03d083b661adf3a3eecfd6d21677740/nvidia_cudnn_cu13-9.19.0.56-py3-none-manylinux_2_27_aarch64.whl", hash = "sha256:6ed29ffaee1176c612daf442e4dd6cfeb6a0caa43ddcbeb59da94953030b1be4", size = 433781201, upload-time = "2026-02-03T20:40:53.805Z" },
@@ -2870,7 +2873,7 @@ name = "nvidia-cufft"
version = "12.0.0.61"
source = { registry = "https://pypi.org/simple" }
dependencies = [
{ name = "nvidia-nvjitlink", marker = "(python_full_version < '3.14' and sys_platform == 'emscripten') or (python_full_version < '3.14' and sys_platform == 'win32') or (sys_platform != 'emscripten' and sys_platform != 'win32')" },
{ name = "nvidia-nvjitlink" },
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