add custom yaml constructor to load ansible unsafe tag

ansibledoctor/DocumentationParser.py

@@ -15,6 +15,7 @@ from ansibledoctor.Config import SingleConfig
 from ansibledoctor.Contstants import YAML_EXTENSIONS
 from ansibledoctor.FileRegistry import Registry
 from ansibledoctor.Utils import SingleLog
+from ansibledoctor.Utils import UnsafeTag
 
 
 class Parser:
@@ -35,6 +36,7 @@ class Parser:
             if any(fnmatch.fnmatch(rfile, "*/defaults/*." + ext) for ext in YAML_EXTENSIONS):
                 with open(rfile, "r", encoding="utf8") as yaml_file:
                     try:
+                        ruamel.yaml.add_constructor(UnsafeTag.yaml_tag, UnsafeTag.yaml_constructor, constructor=ruamel.yaml.SafeConstructor)
                         data = defaultdict(dict, (ruamel.yaml.safe_load(yaml_file) or {}))
                         for key, value in data.items():
                             self._data["var"][key] = {"value": {key: value}}

ansibledoctor/Utils.py

@@ -191,6 +191,17 @@ class SingleLog(Log, metaclass=Singleton):
     pass
 
 
+class UnsafeTag:
+    yaml_tag = u'!unsafe'
+
+    def __init__(self, value):
+        self.unsafe = value
+
+    @staticmethod
+    def yaml_constructor(loader, node):
+        return loader.construct_scalar(node)
+
+
 class FileUtils:
     @staticmethod
     def create_path(path):