docs: def deep_get(self, content, keys, traversed_path=None):
          '''
          Allow to retrieve content nested inside a several layers deep dict/list
  
          Examples: -content: {
                              "key1": {
                                  "key2" : [
                                              {
                                                  "name"  : "object1",
                                                  "value" : 42
                                              },
                                              {
                                                  "name"  : "object2",
                                                  "value" : 72
                                              }
                                            ]
                              }
                          }
                    -keys: ["key1", "key2", "1", "value"]
                      would return:
                          [(["key1", "key2", "1", "value"], 72)]
                    -keys: ["key1", "key2", "1", "*"]
                      would return:
                          [(["key1", "key2", "1", "value"], 72), (["key1", "key2", "1", "name"], "object2")]
                    -keys: ["key1", "key2", "*", "value"]
                      would return:
                          [(["key1", "key2", "1", "value"], 72), (["key1", "key2", "0", "value"], 42)]
          '''
  
          if traversed_path is None:
              traversed_path = []
  
          if keys == []:
              return [(traversed_path, content)]
  
          key = keys[0]
          regex = "".join(["^", key, "$"])
          try:
              key_rex = re.compile(regex)
          except Exception:
              self.warning("Cannot compile regex: %s" % regex)
              return []
  
          results = []
          for new_key, new_content in self.items(content):
              if key_rex.match(new_key):
                  results.extend(self.deep_get(new_content, keys[1:], traversed_path + [str(new_key)]))
          return results