From 184e6ab94ffd9afc5734fb5ab57a573076a92ff4 Mon Sep 17 00:00:00 2001
From: fkrempl <franz.johann.krempl@cern.ch>
Date: Wed, 16 Sep 2026 13:58:41 +0200
Subject: [PATCH 1/2] [PyROOT][Doc] Add RNTuple pythonization docs

---
 .../python/ROOT/_pythonization/_rntuple.py    | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/bindings/pyroot/pythonizations/python/ROOT/_pythonization/_rntuple.py b/bindings/pyroot/pythonizations/python/ROOT/_pythonization/_rntuple.py
index 446476971151e..724d58cffacbe 100644
--- a/bindings/pyroot/pythonizations/python/ROOT/_pythonization/_rntuple.py
+++ b/bindings/pyroot/pythonizations/python/ROOT/_pythonization/_rntuple.py
@@ -8,6 +8,40 @@
 # For the list of contributors see $ROOTSYS/README/CREDITS.                    #
 ################################################################################
 
+r"""
+\pythondoc RNTupleWriter
+
+RNTupleWriter can be used to write RNTuples to storage.
+
+A simple way to write an RNTuple is done by:
+- create a model and add fields to it
+- open a RNTupleWriter 
+- create entries and fill them with data
+- commit entries to the RNTuple via writer.Fill(entry)
+
+\code{.py}
+import ROOT
+
+# Create the model
+model = ROOT.RNTupleModel.Create()
+
+# Define the schema by adding fields to the model.
+model.MakeField['int']("foo")
+
+# Create a writer as a context manager
+with ROOT.RNTupleWriter.Recreate(model, "myNtuple", "file.root") as writer:
+    # create entries and write them to the RNTuple
+    for i in range(0,10):
+        entry = writer.CreateEntry()
+        entry['foo'] = i
+        writer.Fill(entry)
+# On destruction, the writer will flush the written data to disk
+
+\endcode
+
+\endpythondoc
+"""
+
 from . import pythonization
 from ._pyz_utils import MethodTemplateGetter, MethodTemplateWrapper
 

From 77bcb7bbeab1a9ccc6591401b27d2dfaef5ea31b Mon Sep 17 00:00:00 2001
From: fkrempl <franz.johann.krempl@cern.ch>
Date: Wed, 16 Sep 2026 14:09:50 +0200
Subject: [PATCH 2/2] [PyROOT][Doc] Add RNTuple pythonization docs

---
 .../python/ROOT/_pythonization/_rntuple.py           | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/bindings/pyroot/pythonizations/python/ROOT/_pythonization/_rntuple.py b/bindings/pyroot/pythonizations/python/ROOT/_pythonization/_rntuple.py
index 724d58cffacbe..8b30caed0e166 100644
--- a/bindings/pyroot/pythonizations/python/ROOT/_pythonization/_rntuple.py
+++ b/bindings/pyroot/pythonizations/python/ROOT/_pythonization/_rntuple.py
@@ -11,13 +11,13 @@
 r"""
 \pythondoc RNTupleWriter
 
-RNTupleWriter can be used to write RNTuples to storage.
+RNTupleWriter is an interface to write RNTuples to storage.
 
-A simple way to write an RNTuple is done by:
-- create a model and add fields to it
-- open a RNTupleWriter 
-- create entries and fill them with data
-- commit entries to the RNTuple via writer.Fill(entry)
+A simple way to write an RNTuple in python is by:
+- creating a model and adding fields to it
+- opening an RNTupleWriter 
+- creating entries and filling them with data
+- committing entries to the RNTuple via writer.Fill(entry)
 
 \code{.py}
 import ROOT