superset base 源码
superset base 代码
文件路径：/superset/commands/base.py
# Licensed to the Apache Software Foundation (ASF) under one
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# 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
#
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from abc import ABC, abstractmethod
from typing import Any, List, Optional
from flask_appbuilder.security.sqla.models import User
from superset.commands.utils import populate_owners
class BaseCommand(ABC):
"""
Base class for all Command like Superset Logic objects
"""
@abstractmethod
def run(self) -> Any:
"""
Run executes the command. Can raise command exceptions
:raises: CommandException
"""
@abstractmethod
def validate(self) -> None:
"""
Validate is normally called by run to validate data.
Will raise exception if validation fails
:raises: CommandException
"""
class CreateMixin: # pylint: disable=too-few-public-methods
@staticmethod
def populate_owners(owner_ids: Optional[List[int]] = None) -> List[User]:
"""
Populate list of owners, defaulting to the current user if `owner_ids` is
undefined or empty. If current user is missing in `owner_ids`, current user
is added unless belonging to the Admin role.
:param owner_ids: list of owners by id's
:raises OwnersNotFoundValidationError: if at least one owner can't be resolved
:returns: Final list of owners
"""
return populate_owners(owner_ids, default_to_user=True)
class UpdateMixin: # pylint: disable=too-few-public-methods
@staticmethod
def populate_owners(owner_ids: Optional[List[int]] = None) -> List[User]:
"""
Populate list of owners. If current user is missing in `owner_ids`, current user
is added unless belonging to the Admin role.
:param owner_ids: list of owners by id's
:raises OwnersNotFoundValidationError: if at least one owner can't be resolved
:returns: Final list of owners
"""
return populate_owners(owner_ids, default_to_user=False)
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