Adding new to_dict method for Document (#171)

* Adding new to_dict method for Document

* nit; cls to self

---------

Co-authored-by: gavin-aguiar <[email protected]>
Co-authored-by: pdthummar <[email protected]>

Author: 3 people

azure/functions/_abc.py

@@ -380,6 +380,10 @@ def __setitem__(self, key, value):
     def to_json(self) -> str:
         pass
 
+    @abc.abstractmethod
+    def to_dict(self) -> dict:
+        pass
+
 
 class DocumentList(abc.ABC):
     pass

azure/functions/_cosmosdb.py

@@ -27,6 +27,11 @@ def to_json(self) -> str:
         """Return the JSON representation of the document."""
         return json.dumps(dict(self))
 
+    def to_dict(self) -> dict:
+        """Return the document as a dict - directly using self would also work
+        as Document is ``UserDict`` subclass and behave like dict"""
+        return dict(self)
+
     def __getitem__(self, key):
         return collections.UserDict.__getitem__(self, key)