aminghadersohi commented on code in PR #44834: URL: https://github.com/apache/superset/pull/44834#discussion_r4152189166
########## superset-core/src/superset_core/semantic_layers/metadata.py: ########## @@ -0,0 +1,174 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you 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. + +"""Optional provider metadata acquisition and host publication interfaces.""" + +from __future__ import annotations + +from abc import ABC, abstractmethod +from collections.abc import Callable +from dataclasses import dataclass, field +from typing import Any, get_args, Literal, Protocol, TypeAlias + +# The host passes a finite absolute time.monotonic() deadline in this process. Review Comment: Verified at fa0de7b60c: `time.time()+30`, NaN, ±inf, zero and 300s+ε now raise `deadline`, exactly 300s passes, and each new bound is pinned by a test. ########## superset-core/src/superset_core/semantic_layers/metadata.py: ########## @@ -0,0 +1,174 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you 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. + +"""Optional provider metadata acquisition and host publication interfaces.""" + +from __future__ import annotations + +from abc import ABC, abstractmethod +from collections.abc import Callable +from dataclasses import dataclass, field +from typing import Any, get_args, Literal, Protocol, TypeAlias + +# The host passes a finite absolute time.monotonic() deadline in this process. +CatalogLoader: TypeAlias = Callable[[float], str] +MetadataRefreshErrorCategory: TypeAlias = Literal[ + "unsupported", + "configuration", + "in_progress", + "configuration_changed", + "upstream", + "invalid_payload", + "deadline", + "unavailable", + "indeterminate", +] + + +@dataclass(frozen=True) +class CatalogSnapshot: + """Carry one validated observation and its captured cache identity. + + The provider supplies canonical JSON in payload. The host assigns a nonempty, + opaque, scope-qualified cache_token for each successful publication, including + unchanged discovery. observed_at is a UTC RFC3339 source-observation time for + display, not a cache creation/expiry time or an ordering authority. + """ + + payload: str = field(repr=False) + cache_token: str = field(repr=False) + observed_at: str + + def __post_init__(self) -> None: + if not isinstance(self.payload, str): + raise TypeError("Catalog payload must be a string") + if not isinstance(self.cache_token, str): + raise TypeError("Catalog cache_token must be a string") + if not isinstance(self.observed_at, str): + raise TypeError("Catalog observed_at must be a string") + if not self.cache_token: + raise ValueError("Catalog cache token must not be empty") + if not self.observed_at: + raise ValueError("Catalog observed_at must not be empty") + + +@dataclass(frozen=True) +class MetadataRefreshResult: + """Report a confirmed publication and its immutable observation. + + Unchanged compares discovery payloads, not complete upstream metric + definitions. Changed includes installation without a prior observation. + An indeterminate publication must raise an error instead of returning success. + """ + + status: Literal["changed", "unchanged"] + snapshot: CatalogSnapshot + + def __post_init__(self) -> None: + if self.status not in ("changed", "unchanged"): + raise ValueError("Unknown metadata refresh result status") Review Comment: Verified at fa0de7b60c: the `"not a snapshot"` probe plus `None` and a dict now raise the fixed `TypeError`, and disabling the check fails 5 tests. ########## superset-core/src/superset_core/semantic_layers/metadata.py: ########## @@ -0,0 +1,174 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you 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. + +"""Optional provider metadata acquisition and host publication interfaces.""" + +from __future__ import annotations + +from abc import ABC, abstractmethod +from collections.abc import Callable +from dataclasses import dataclass, field +from typing import Any, get_args, Literal, Protocol, TypeAlias + +# The host passes a finite absolute time.monotonic() deadline in this process. +CatalogLoader: TypeAlias = Callable[[float], str] +MetadataRefreshErrorCategory: TypeAlias = Literal[ + "unsupported", + "configuration", + "in_progress", + "configuration_changed", + "upstream", + "invalid_payload", + "deadline", + "unavailable", Review Comment: Verified at fa0de7b60c: all three categories are now defined in the doc, including the `unavailable`/`upstream` split. -- This is an automated message from the Apache Git Service. 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