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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
import logging
from vnftest.common import utils
log = logging.getLogger(__name__)
class Crawler(object):
@staticmethod
def get_cls(crawler_type):
"""return class of specified type"""
for crawler in utils.findsubclasses(Crawler):
if crawler_type == crawler.__crawler_type__:
return crawler
raise RuntimeError("No such crawler_type %s" % crawler_type)
def __init__(self):
pass
def crawl(self, dictionary, path):
raise NotImplementedError
@staticmethod
def crawl(json_as_dict, output_config):
output = {}
for output_parameter in output_config:
param_name = output_parameter['parameter_name']
param_value = output_parameter.get('value', "[]")
crawler_type = output_parameter.get('type', 'default')
crawler_class = Crawler.get_cls(crawler_type)
crawler = crawler_class()
param_value = crawler.crawl(json_as_dict, param_value)
output[param_name] = param_value
return output
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