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##############################################################################
# Copyright 2018 EuropeanSoftwareMarketingLtd.
# ===================================================================
# Licensed under the ApacheLicense, Version2.0 (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
#
# 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 __future__ import absolute_import
from vnftest.common.exceptions import MandatoryKeyException
from vnftest.crawlers import base
import logging
LOG = logging.getLogger(__name__)
class DefaultCrawler(base.Crawler):
__crawler_type__ = 'default'
def crawl(self, dictionary, path):
if path.find("[") < 0:
return path # the path is a hardcoded value
path_list = path.split("[")
value = dictionary
for path_element in path_list:
if path_element == "":
continue
path_element = path_element.replace("]", "")
if isinstance(value, list):
path_element = int(path_element)
value = value[path_element]
if value is None:
raise MandatoryKeyException(key_name='param_path', class_name=str(dictionary))
return value
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