superset get 源码
superset get 代码
文件路径：/superset/explore/permalink/commands/get.py
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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
#
# 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.
import logging
from typing import Optional
from sqlalchemy.exc import SQLAlchemyError
from superset.datasets.commands.exceptions import DatasetNotFoundError
from superset.explore.permalink.commands.base import BaseExplorePermalinkCommand
from superset.explore.permalink.exceptions import ExplorePermalinkGetFailedError
from superset.explore.permalink.types import ExplorePermalinkValue
from superset.explore.utils import check_access as check_chart_access
from superset.key_value.commands.get import GetKeyValueCommand
from superset.key_value.exceptions import KeyValueGetFailedError, KeyValueParseKeyError
from superset.key_value.utils import decode_permalink_id
from superset.utils.core import DatasourceType
logger = logging.getLogger(__name__)
class GetExplorePermalinkCommand(BaseExplorePermalinkCommand):
def __init__(self, key: str):
self.key = key
def run(self) -> Optional[ExplorePermalinkValue]:
self.validate()
try:
key = decode_permalink_id(self.key, salt=self.salt)
value: Optional[ExplorePermalinkValue] = GetKeyValueCommand(
resource=self.resource,
key=key,
).run()
if value:
chart_id: Optional[int] = value.get("chartId")
# keep this backward compatible for old permalinks
datasource_id: int = (
value.get("datasourceId") or value.get("datasetId") or 0
)
datasource_type = DatasourceType(
value.get("datasourceType", DatasourceType.TABLE)
)
check_chart_access(datasource_id, chart_id, datasource_type)
return value
return None
except (
DatasetNotFoundError,
KeyValueGetFailedError,
KeyValueParseKeyError,
) as ex:
raise ExplorePermalinkGetFailedError(message=ex.message) from ex
except SQLAlchemyError as ex:
logger.exception("Error running get command")
raise ExplorePermalinkGetFailedError() from ex
def validate(self) -> None:
pass
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