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- # 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.
- """Contains the logic to create cohesive forms on the explore view"""
- from typing import List # pylint: disable=unused-import
- from flask_appbuilder.fieldwidgets import BS3TextFieldWidget
- from wtforms import Field
- class CommaSeparatedListField(Field):
- widget = BS3TextFieldWidget()
- data = [] # type: List[str]
- def _value(self):
- if self.data:
- return u", ".join(self.data)
- return u""
- def process_formdata(self, valuelist):
- if valuelist:
- self.data = [x.strip() for x in valuelist[0].split(",")]
- else:
- self.data = []
- def filter_not_empty_values(value):
- """Returns a list of non empty values or None"""
- if not value:
- return None
- data = [x for x in value if x]
- if not data:
- return None
- return data
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