Add ycells getter (#136)

Author: davidbrochart

jupyter_ydoc/ynotebook.py

@@ -57,6 +57,16 @@ def __init__(self, ydoc: Optional[Y.YDoc] = None):
         self._ymeta = self._ydoc.get_map("meta")
         self._ycells = self._ydoc.get_array("cells")
 
+    @property
+    def ycells(self):
+        """
+        Returns the Y-cells.
+
+        :return: The Y-cells.
+        :rtype: :class:`y_py.YArray`
+        """
+        return self._ycells
+
     @property
     def cell_number(self) -> int:
         """