[utils] Added utils.to_yaml action.

platypush/plugins/utils/__init__.py

@@ -3,6 +3,8 @@ import threading
 import time
 from typing import Dict, Union
 
+import yaml
+
 from platypush.backend.http.utils import HttpUtils
 from platypush.config import Config
 from platypush.plugins import Plugin, action
@@ -363,5 +365,12 @@ class UtilsPlugin(Plugin):
 
         return docutils.core.publish_parts(text, writer_name='html')['html_body']
 
+    @action
+    def to_yaml(self, obj: Union[dict, list, tuple, str, int, float, bool]):
+        """
+        Convert an object to YAML
+        """
+        return yaml.dump(obj, indent=2)
+
 
 # vim:sw=4:ts=4:et: