From 451ee92e0af60484aa4c6d7fc2caa67d50cc443a Mon Sep 17 00:00:00 2001
From: Clair Mould <86794332+clmould@users.noreply.github.com>
Date: Tue, 5 Nov 2024 11:44:27 +0000
Subject: [PATCH 1/2] allow process version to be printed to terminal

---
 process/__init__.py | 3 +++
 process/main.py     | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/process/__init__.py b/process/__init__.py
index e69de29bb2..da0ebfd4be 100644
--- a/process/__init__.py
+++ b/process/__init__.py
@@ -0,0 +1,3 @@
+from importlib.metadata import version
+
+__version__ = version("process")
diff --git a/process/main.py b/process/main.py
index 67e5bb77cb..284bea9566 100644
--- a/process/main.py
+++ b/process/main.py
@@ -74,6 +74,7 @@
 from process.impurity_radiation import initialise_imprad
 from process.caller import write_output_files
 
+import process
 
 from pathlib import Path
 import os
@@ -191,6 +192,11 @@ def parse_args(self, args):
             action="store_true",
             help="Produce a filled json from --mfile arg in working dir",
         )
+        parser.add_argument(
+            "--version",
+            action="store_true",
+            help="Print the version of PROCESS to the terminal",
+        )
 
         # If args is not None, then parse the supplied arguments. This is likely
         # to come from the test suite when testing command-line arguments; the
@@ -202,6 +208,9 @@ def parse_args(self, args):
 
     def run_mode(self):
         """Determine how to run Process."""
+        if self.args.version:
+            print(process.__version__)
+            return
         # Store run object: useful for testing
         if self.args.varyiterparams:
             self.run = VaryRun(self.args.varyiterparamsconfig, self.args.solver)

From 616b521cab84421f2f39ebf0632d9e36b7ade5af Mon Sep 17 00:00:00 2001
From: Clair Mould <86794332+clmould@users.noreply.github.com>
Date: Tue, 5 Nov 2024 13:15:10 +0000
Subject: [PATCH 2/2] add version monkeypatch to test_run_mode

---
 tests/unit/test_main.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/unit/test_main.py b/tests/unit/test_main.py
index 1b775f8070..858886cf67 100644
--- a/tests/unit/test_main.py
+++ b/tests/unit/test_main.py
@@ -101,6 +101,7 @@ def test_run_mode(process_obj, monkeypatch):
     # Mock the args attributes for --varyiterparams and --varyiterparamsconfig
     monkeypatch.setattr(process_obj, "args", argparse.Namespace(), raising=False)
     monkeypatch.setattr(process_obj.args, "varyiterparams", True, raising=False)
+    monkeypatch.setattr(process_obj.args, "version", False, raising=False)
     monkeypatch.setattr(
         process_obj.args, "varyiterparamsconfig", "file.conf", raising=False
     )