superset types 源码
superset types 代码
文件路径：/superset/advanced_data_type/types.py
# 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.
from dataclasses import dataclass
from typing import Any, Callable, List, Optional, TypedDict, Union
from sqlalchemy import Column
from sqlalchemy.sql.expression import BinaryExpression
from superset.superset_typing import FilterValues
from superset.utils.core import FilterOperator, FilterStringOperators
class AdvancedDataTypeRequest(TypedDict):
"""
AdvancedDataType request class
"""
advanced_data_type: str
values: List[
Union[FilterValues, None]
] # unparsed value (usually text when passed from text box)
class AdvancedDataTypeResponse(TypedDict, total=False):
"""
AdvancedDataType response
"""
error_message: Optional[str]
values: List[Any] # parsed value (can be any value)
display_value: str # The string representation of the parsed values
valid_filter_operators: List[FilterStringOperators]
@dataclass
class AdvancedDataType:
"""
Used for coverting base type value into an advanced type value
"""
verbose_name: str
description: str
valid_data_types: List[str]
translate_type: Callable[[AdvancedDataTypeRequest], AdvancedDataTypeResponse]
translate_filter: Callable[[Column, FilterOperator, Any], BinaryExpression]
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