3 files changed, 72 insertions, 0 deletions
diff --git a/vnftest/crawlers/__init__.py b/vnftest/crawlers/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/vnftest/crawlers/__init__.py
diff --git a/vnftest/crawlers/base.py b/vnftest/crawlers/base.py
new file mode 100755
index 0000000..8b5a526
--- /dev/null
+++ b/vnftest/crawlers/base.py
@@ -0,0 +1,37 @@
+##############################################################################
+# 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.itersubclasses(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
diff --git a/vnftest/crawlers/default.py b/vnftest/crawlers/default.py
new file mode 100644
index 0000000..da4df0a
--- /dev/null
+++ b/vnftest/crawlers/default.py
@@ -0,0 +1,35 @@
+##############################################################################
+# 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.crawlers import base
+import logging
+
+LOG = logging.getLogger(__name__)
+
+
+class DefaultCrawler(base.Crawler):
+    __crawler_type__ = 'default'
+
+    def crawl(self, dictionary, path):
+        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]
+        return value