superset filters 源码
superset filters 代码
文件路径：/superset/views/filters.py
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# 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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# KIND, either express or implied. See the License for the
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import logging
from typing import Any, cast, Optional
from flask import current_app
from flask_appbuilder.models.filters import BaseFilter
from flask_babel import lazy_gettext
from sqlalchemy import and_, or_
from sqlalchemy.orm import Query
from superset import security_manager
logger = logging.getLogger(__name__)
class FilterRelatedOwners(BaseFilter): # pylint: disable=too-few-public-methods
"""
A filter to allow searching for related owners of a resource.
Use in the api by adding something like:
related_field_filters = {
"owners": RelatedFieldFilter("first_name", FilterRelatedOwners),
}
"""
name = lazy_gettext("Owner")
arg_name = "owners"
def apply(self, query: Query, value: Optional[Any]) -> Query:
user_model = security_manager.user_model
like_value = "%" + cast(str, value) + "%"
return query.filter(
or_(
# could be made to handle spaces between names more gracefully
(user_model.first_name + " " + user_model.last_name).ilike(like_value),
user_model.username.ilike(like_value),
)
)
class BaseFilterRelatedUsers(BaseFilter): # pylint: disable=too-few-public-methods
"""
Filter to apply on related users. Will exclude users in EXCLUDE_USERS_FROM_LISTS
Use in the api by adding something like:
```
filter_rel_fields = {
"owners": [["id", BaseFilterRelatedUsers, lambda: []]],
"created_by": [["id", BaseFilterRelatedUsers, lambda: []]],
}
```
"""
name = lazy_gettext("username")
arg_name = "username"
def apply(self, query: Query, value: Optional[Any]) -> Query:
user_model = security_manager.user_model
exclude_users = (
security_manager.get_exclude_users_from_lists()
if current_app.config["EXCLUDE_USERS_FROM_LISTS"] is None
else current_app.config["EXCLUDE_USERS_FROM_LISTS"]
)
query_ = query.filter(and_(user_model.username.not_in(exclude_users)))
return query_
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