From 053088a74724ae241deb5e3dc89c8056ab3b3091 Mon Sep 17 00:00:00 2001
From: Pete Peterson <petersonpf@ornl.gov>
Date: Tue, 11 Mar 2025 19:12:35 -0400
Subject: [PATCH] Exposing more methods to python

---
 .../mantid/geometry/src/Exports/Instrument.cpp     |  7 +++++++
 .../test/python/mantid/geometry/InstrumentTest.py  | 14 ++++++++++++++
 .../v6.13.0/Framework/Python/New_features/.gitkeep |  0
 .../Framework/Python/New_features/39044.rst        |  1 +
 4 files changed, 22 insertions(+)
 delete mode 100644 docs/source/release/v6.13.0/Framework/Python/New_features/.gitkeep
 create mode 100644 docs/source/release/v6.13.0/Framework/Python/New_features/39044.rst

diff --git a/Framework/PythonInterface/mantid/geometry/src/Exports/Instrument.cpp b/Framework/PythonInterface/mantid/geometry/src/Exports/Instrument.cpp
index 0e883c92a9c0..0d13d6b717d8 100644
--- a/Framework/PythonInterface/mantid/geometry/src/Exports/Instrument.cpp
+++ b/Framework/PythonInterface/mantid/geometry/src/Exports/Instrument.cpp
@@ -11,6 +11,7 @@
 #include "MantidPythonInterface/core/Policies/RemoveConst.h"
 
 #include <boost/python/class.hpp>
+#include <boost/python/copy_const_reference.hpp>
 #include <boost/python/overloads.hpp>
 #include <boost/python/register_ptr_to_python.hpp>
 
@@ -74,6 +75,12 @@ void export_Instrument() {
            "Return the valid to :class:`~mantid.kernel.DateAndTime` of the "
            "instrument")
 
+      .def("getFilename", &Instrument::getFilename, arg("self"), return_value_policy<copy_const_reference>(),
+           "Return the name of the file that the original IDF was from")
+
+      .def("setFilename", &Instrument::setFilename, (arg("self"), arg("filename")),
+           "Set the name of the file that the original IDF was from")
+
       .def("getBaseInstrument", &Instrument::baseInstrument, arg("self"), return_value_policy<RemoveConstSharedPtr>(),
            "Return reference to the base instrument")
 
diff --git a/Framework/PythonInterface/test/python/mantid/geometry/InstrumentTest.py b/Framework/PythonInterface/test/python/mantid/geometry/InstrumentTest.py
index d670506bef64..d4f77dccc2f3 100644
--- a/Framework/PythonInterface/test/python/mantid/geometry/InstrumentTest.py
+++ b/Framework/PythonInterface/test/python/mantid/geometry/InstrumentTest.py
@@ -44,6 +44,20 @@ def test_getReferenceFrame(self):
         frame = self.__testws.getInstrument().getReferenceFrame()
         self.assertTrue(isinstance(frame, ReferenceFrame))
 
+    def test_getFilename(self):
+        inst = self.__testws.getInstrument()
+
+        # get the filename
+        NAME_ORIG = inst.getFilename()
+
+        # check that the filename can be set
+        NAME_NEW = "testable"
+        inst.setFilename(NAME_NEW)
+        self.assertEqual(inst.getFilename(), NAME_NEW)
+
+        # put the filename back to what it was
+        inst.setFilename(NAME_ORIG)
+
     def test_ValidDates(self):
         inst = self.__testws.getInstrument()
         valid_from = inst.getValidFromDate()
diff --git a/docs/source/release/v6.13.0/Framework/Python/New_features/.gitkeep b/docs/source/release/v6.13.0/Framework/Python/New_features/.gitkeep
deleted file mode 100644
index e69de29bb2d1..000000000000
diff --git a/docs/source/release/v6.13.0/Framework/Python/New_features/39044.rst b/docs/source/release/v6.13.0/Framework/Python/New_features/39044.rst
new file mode 100644
index 000000000000..12d172ac6424
--- /dev/null
+++ b/docs/source/release/v6.13.0/Framework/Python/New_features/39044.rst
@@ -0,0 +1 @@
+- Exposed ``Instrument.getFilename()`` and ``Instrument.setFilename()`` to python