superset validators 源码
superset validators 代码
文件路径：/superset/views/database/validators.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 typing import Optional, Type
from flask_babel import lazy_gettext as _
from marshmallow import ValidationError
from superset import security_manager
from superset.databases.commands.exceptions import DatabaseInvalidError
from superset.databases.utils import make_url_safe
from superset.models.core import Database
def sqlalchemy_uri_validator(
uri: str, exception: Type[ValidationError] = ValidationError
) -> None:
"""
Check if a user has submitted a valid SQLAlchemy URI
"""
try:
make_url_safe(uri.strip())
except DatabaseInvalidError as ex:
raise exception(
[
_(
"Invalid connection string, a valid string usually follows:"
"'DRIVER://USER:PASSWORD@DB-HOST/DATABASE-NAME'"
"<p>"
"Example:'postgresql://user:password@your-postgres-db/database'"
"</p>"
)
]
) from ex
def schema_allows_file_upload(database: Database, schema: Optional[str]) -> bool:
if not database.allow_file_upload:
return False
schemas = database.get_schema_access_for_file_upload()
if schemas:
return schema in schemas
return security_manager.can_access_database(database)
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