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55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from abc import ABC, abstractmethod
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from collections.abc import Iterable
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from dataclasses import dataclass
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from typing import Any, Optional
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from sqlalchemy.types import TypeEngine
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@dataclass
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class TableMetaData:
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table_name: str
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types: Optional[dict[str, TypeEngine]]
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@dataclass
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class Table:
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table_name: str
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table_metadata: TableMetaData
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data: Iterable[dict[Any, Any]]
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class TableMetaDataFactory(ABC):
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@abstractmethod
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def make(self) -> TableMetaData:
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...
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def make_table(self, data: Iterable[dict[Any, Any]]) -> Table:
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metadata = self.make()
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return Table(metadata.table_name, metadata, data)
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