From 7a301be22eacb1a7717dc2eda19750c08af915bb Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 14:51:30 +0100
Subject: [PATCH 01/89] add build and test ci

---
 .github/workflows/ci.yaml | 30 ++++++++++++++++++++++++++++++
 .gitignore                |  2 ++
 2 files changed, 32 insertions(+)
 create mode 100644 .github/workflows/ci.yaml

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..059f9cc
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,30 @@
+---
+name: CI
+on:  # yamllint disable-line rule:truthy
+  push:
+    branches:
+      - main
+      - 'releases/**'
+  pull_request:
+    types: [opened, synchronize, reopened]
+  workflow_dispatch:
+
+permissions: read-all
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04
+    timeout-minutes: 5
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Build
+        run: |
+          ./admin/install_mule.sh ./_build/lib ./_build/bin
+      - name: Test
+        run: |
+          cd _build/lib
+          for name in ./*; do
+            python -m unittest discover -v $name.tests
+          done
diff --git a/.gitignore b/.gitignore
index 8be4a88..fcbaa4b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
 # Gitignore created from github template
 
+_build/
+
 # Virtual environment
 .venv/
 uv.lock

From 55a9c1014ed10ae393a736a94956a30b2e2d6a87 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 14:57:24 +0100
Subject: [PATCH 02/89] try removing quotes

---
 admin/install_mule.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 15a149a..f0d81df 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -358,7 +358,7 @@ function unpack_and_copy(){
 
     # The egg might be zipped - if it is unzip it in place
     if [ ! -d $egg ] ; then
-      egg="$SCRATCHLIB/$module*.egg"
+      egg=$SCRATCHLIB/$module*.egg
     fi
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."

From fa91750e18e628a843e9cddce2b8689be523aecc Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 14:59:30 +0100
Subject: [PATCH 03/89] test

---
 admin/install_mule.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index f0d81df..625f51b 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -388,6 +388,7 @@ function unpack_and_copy(){
     fi
 }
 
+echo $MODULE_LIST
 for module in $MODULE_LIST ; do
     unpack_and_copy $module
 done

From 04c12b59eed605a343aa09d95682fd15d3753775 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:00:39 +0100
Subject: [PATCH 04/89] test

---
 admin/install_mule.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 625f51b..5cdcbb7 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -358,10 +358,11 @@ function unpack_and_copy(){
 
     # The egg might be zipped - if it is unzip it in place
     if [ ! -d $egg ] ; then
-      egg=$SCRATCHLIB/$module*.egg
+      egg="$SCRATCHLIB/$module*.egg"
     fi
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."
+      ls $SCRATCHLIB
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir

From 0cc7a9e7a0c42d700ac412e82ffb0bdd8fe31782 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:02:58 +0100
Subject: [PATCH 05/89] test

---
 admin/install_mule.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 5cdcbb7..9594327 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -362,7 +362,7 @@ function unpack_and_copy(){
     fi
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."
-      ls $SCRATCHLIB
+      echo $egg
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir

From 982391b8d0ae0c9c6c89310b23bfa1df5b1d7a5a Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:05:22 +0100
Subject: [PATCH 06/89] test

---
 admin/install_mule.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 9594327..870d3b1 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -363,6 +363,7 @@ function unpack_and_copy(){
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."
       echo $egg
+      echo $SCRATCHLIB
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir

From cfd321216e50fe08e3cf817e9036697607c5f886 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:06:04 +0100
Subject: [PATCH 07/89] test

---
 admin/install_mule.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 870d3b1..cb29c0b 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -363,7 +363,7 @@ function unpack_and_copy(){
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."
       echo $egg
-      echo $SCRATCHLIB
+      ls $SCRATCHLIB
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir

From 570c12812d316001368a4d56e6c734c7c77163f1 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:06:54 +0100
Subject: [PATCH 08/89] test

---
 admin/install_mule.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index cb29c0b..306762f 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -363,6 +363,7 @@ function unpack_and_copy(){
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."
       echo $egg
+      echo $SCRATCHLIB
       ls $SCRATCHLIB
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir

From 73b9c4efa287cd233055f64f7673f15a08f685ba Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:08:15 +0100
Subject: [PATCH 09/89] test

---
 admin/install_mule.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 306762f..82d7758 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -364,7 +364,7 @@ function unpack_and_copy(){
       echo "[INFO] Unpacking zipped egg..."
       echo $egg
       echo $SCRATCHLIB
-      ls $SCRATCHLIB
+      echo $(ls $SCRATCHLIB)
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir

From ebf591572cb23bb09b4259d71e7245b9843045fb Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:10:39 +0100
Subject: [PATCH 10/89] test

---
 admin/install_mule.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 82d7758..0eb425b 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -364,7 +364,10 @@ function unpack_and_copy(){
       echo "[INFO] Unpacking zipped egg..."
       echo $egg
       echo $SCRATCHLIB
-      echo $(ls $SCRATCHLIB)
+      ls $SCRATCHLIB
+      if [ ! -f $SCRATCHLIB ]
+        echo "HERE"
+      fi
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir

From 8101b86a1a621b011d9172240dc74703d71e9bb6 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:11:38 +0100
Subject: [PATCH 11/89] test

---
 admin/install_mule.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 0eb425b..817130b 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -365,7 +365,7 @@ function unpack_and_copy(){
       echo $egg
       echo $SCRATCHLIB
       ls $SCRATCHLIB
-      if [ ! -f $SCRATCHLIB ]
+      if [ ! -f $SCRATCHLIB ]; then
         echo "HERE"
       fi
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg

From 12b58222161609ca024a6764d66cf55414f75289 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:13:04 +0100
Subject: [PATCH 12/89] test

---
 admin/install_mule.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 817130b..8178b4f 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -365,7 +365,8 @@ function unpack_and_copy(){
       echo $egg
       echo $SCRATCHLIB
       ls $SCRATCHLIB
-      if [ ! -f $SCRATCHLIB ]; then
+      if [ ! -f $(dirname $SCRATCHLIB) ]; then
+        echo $(dirname $SCRATCHLIB)
         echo "HERE"
       fi
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg

From 46ecb97eda364eeac07073ca987b7b09e497cc36 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:13:55 +0100
Subject: [PATCH 13/89] test

---
 admin/install_mule.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 8178b4f..638ea28 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -365,8 +365,8 @@ function unpack_and_copy(){
       echo $egg
       echo $SCRATCHLIB
       ls $SCRATCHLIB
-      if [ ! -f $(dirname $SCRATCHLIB) ]; then
-        echo $(dirname $SCRATCHLIB)
+      if [ ! -f $(dirname $(dirname $SCRATCHLIB)) ]; then
+        echo $(dirname $(dirname $SCRATCHLIB))
         echo "HERE"
       fi
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg

From 9010fc88766e50955a29dd236706a423bae7a1b7 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:14:46 +0100
Subject: [PATCH 14/89] test

---
 admin/install_mule.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 638ea28..da34909 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -365,8 +365,8 @@ function unpack_and_copy(){
       echo $egg
       echo $SCRATCHLIB
       ls $SCRATCHLIB
-      if [ ! -f $(dirname $(dirname $SCRATCHLIB)) ]; then
-        echo $(dirname $(dirname $SCRATCHLIB))
+      if [ ! -f $(dirname $(dirname $(dirname $SCRATCHLIB))) ]; then
+        echo $(dirname $(dirname $(dirname $SCRATCHLIB)))
         echo "HERE"
       fi
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg

From 2711ef5cf6c36a886147b401e6e82921362405e7 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:16:25 +0100
Subject: [PATCH 15/89] test

---
 admin/install_mule.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index da34909..b456d04 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -365,7 +365,7 @@ function unpack_and_copy(){
       echo $egg
       echo $SCRATCHLIB
       ls $SCRATCHLIB
-      if [ ! -f $(dirname $(dirname $(dirname $SCRATCHLIB))) ]; then
+      if [ ! -d $(dirname $(dirname $(dirname $SCRATCHLIB))) ]; then
         echo $(dirname $(dirname $(dirname $SCRATCHLIB)))
         echo "HERE"
       fi

From 5cb5537022d84d0e201f1fab16e80aa653527600 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:17:05 +0100
Subject: [PATCH 16/89] test

---
 admin/install_mule.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index b456d04..c22a381 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -365,8 +365,8 @@ function unpack_and_copy(){
       echo $egg
       echo $SCRATCHLIB
       ls $SCRATCHLIB
-      if [ ! -d $(dirname $(dirname $(dirname $SCRATCHLIB))) ]; then
-        echo $(dirname $(dirname $(dirname $SCRATCHLIB)))
+      if [ ! -d $(dirname $(dirname $SCRATCHLIB)) ]; then
+        echo $(dirname $(dirname $SCRATCHLIB))
         echo "HERE"
       fi
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg

From d1d1c8931c71262b13aa45bb371321ff543deca9 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:18:17 +0100
Subject: [PATCH 17/89] test

---
 admin/install_mule.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index c22a381..2431e90 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -365,8 +365,9 @@ function unpack_and_copy(){
       echo $egg
       echo $SCRATCHLIB
       ls $SCRATCHLIB
-      if [ ! -d $(dirname $(dirname $SCRATCHLIB)) ]; then
-        echo $(dirname $(dirname $SCRATCHLIB))
+      if [ ! -d $(dirname $SCRATCHLIB) ]; then
+        echo $(dirname $SCRATCHLIB)
+        ls $(dirname $SCRATCHLIB)
         echo "HERE"
       fi
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg

From c97177e2492dfe9197542d8cd8868b782aebc12c Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:19:21 +0100
Subject: [PATCH 18/89] test

---
 admin/install_mule.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 2431e90..aa383c8 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -365,9 +365,9 @@ function unpack_and_copy(){
       echo $egg
       echo $SCRATCHLIB
       ls $SCRATCHLIB
-      if [ ! -d $(dirname $SCRATCHLIB) ]; then
-        echo $(dirname $SCRATCHLIB)
-        ls $(dirname $SCRATCHLIB)
+      if [ ! -d $SCRATCHLIB ]; then
+        echo $SCRATCHLIB
+        ls $SCRATCHLIB
         echo "HERE"
       fi
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg

From 217d6d4d78cb709913e4a1477918c69f61b0dd4d Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:20:23 +0100
Subject: [PATCH 19/89] test

---
 admin/install_mule.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index aa383c8..d28ad3e 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -369,6 +369,8 @@ function unpack_and_copy(){
         echo $SCRATCHLIB
         ls $SCRATCHLIB
         echo "HERE"
+      else
+        echo "EXISTS"
       fi
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir

From 4cf7114e8f830ae7789d67d9858c9fc61729812d Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:21:18 +0100
Subject: [PATCH 20/89] test

---
 admin/install_mule.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index d28ad3e..ff6c080 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -367,7 +367,8 @@ function unpack_and_copy(){
       ls $SCRATCHLIB
       if [ ! -d $SCRATCHLIB ]; then
         echo $SCRATCHLIB
-        ls $SCRATCHLIB
+        cd $SCRATCHLIB
+        ls
         echo "HERE"
       else
         echo "EXISTS"

From eaa5b057a694249270b4b8fad10e66ce94646aad Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:22:43 +0100
Subject: [PATCH 21/89] test

---
 admin/install_mule.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index ff6c080..5b2f098 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -364,11 +364,11 @@ function unpack_and_copy(){
       echo "[INFO] Unpacking zipped egg..."
       echo $egg
       echo $SCRATCHLIB
-      ls $SCRATCHLIB
+      cd $SCRATCHLIB
+      pwd
+      ls
       if [ ! -d $SCRATCHLIB ]; then
         echo $SCRATCHLIB
-        cd $SCRATCHLIB
-        ls
         echo "HERE"
       else
         echo "EXISTS"

From bf0fa5642d01705da9ca289911f30005ca3fd649 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:23:34 +0100
Subject: [PATCH 22/89] test

---
 admin/install_mule.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 5b2f098..e6515ce 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -365,6 +365,11 @@ function unpack_and_copy(){
       echo $egg
       echo $SCRATCHLIB
       cd $SCRATCHLIB
+      echo "pwd1"
+      pwd
+      ls
+      cd ..
+      echo "pwd2"
       pwd
       ls
       if [ ! -d $SCRATCHLIB ]; then

From 24a7db64fdadd181f25ae0cf3c6bb1f232565b90 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:24:28 +0100
Subject: [PATCH 23/89] test

---
 admin/install_mule.sh | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index e6515ce..14ed6f1 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -371,13 +371,7 @@ function unpack_and_copy(){
       cd ..
       echo "pwd2"
       pwd
-      ls
-      if [ ! -d $SCRATCHLIB ]; then
-        echo $SCRATCHLIB
-        echo "HERE"
-      else
-        echo "EXISTS"
-      fi
+      ls ./site-packages
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir

From bd4b25b63fdaceb1637ca069fd88faf036f03438 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:28:12 +0100
Subject: [PATCH 24/89] test

---
 admin/install_mule.sh | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 14ed6f1..276e362 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -342,6 +342,7 @@ function install(){
 
     echo "[INFO] Installing $module module to $SCRATCHDIR"
     # $mule_python_exec -m pip install . --prefix $SCRATCHDIR
+    echo $PYTHONPATH
     $mule_python_exec setup.py install --prefix $SCRATCHDIR
 }
 
@@ -362,16 +363,6 @@ function unpack_and_copy(){
     fi
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."
-      echo $egg
-      echo $SCRATCHLIB
-      cd $SCRATCHLIB
-      echo "pwd1"
-      pwd
-      ls
-      cd ..
-      echo "pwd2"
-      pwd
-      ls ./site-packages
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir
@@ -398,7 +389,6 @@ function unpack_and_copy(){
     fi
 }
 
-echo $MODULE_LIST
 for module in $MODULE_LIST ; do
     unpack_and_copy $module
 done

From 64a7f1fd1448194fadc0c1723f1c51324400de08 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:31:08 +0100
Subject: [PATCH 25/89] test

---
 admin/install_mule.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 276e362..2e597a4 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -140,7 +140,7 @@ echo "[INFO] Installing against Python $PYTHONVER"
 
 # Setup a temporary directory where the install will be initially created
 SCRATCHDIR=$(mktemp -d)
-SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
+SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/dist-packages
 
 # Make relative paths absolute
 if [ ! ${LIB_DEST:0:1} == "/" ] ; then
@@ -343,6 +343,7 @@ function install(){
     echo "[INFO] Installing $module module to $SCRATCHDIR"
     # $mule_python_exec -m pip install . --prefix $SCRATCHDIR
     echo $PYTHONPATH
+    echo $SCRATCHDIR
     $mule_python_exec setup.py install --prefix $SCRATCHDIR
 }
 

From 281c1e30b91f3d5b4b0a588eb139f232c8824be6 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:32:14 +0100
Subject: [PATCH 26/89] test

---
 admin/install_mule.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 2e597a4..9c64d65 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -204,6 +204,8 @@ ln -s $SCRATCHDIR/lib $SCRATCHDIR/lib64
 
 # The install command will complain if this directory isn't on the path
 # so add it to the path here
+echo "here"
+echo $SCRATCHLIB
 export PYTHONPATH=${PYTHONPATH-""}:$SCRATCHLIB
 
 # Save a reference to the top-level directory

From 0fa5ec75cfa69a31c9a5ab46ae91f7247994ec1d Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:33:46 +0100
Subject: [PATCH 27/89] test

---
 admin/install_mule.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 9c64d65..54daa01 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -140,7 +140,7 @@ echo "[INFO] Installing against Python $PYTHONVER"
 
 # Setup a temporary directory where the install will be initially created
 SCRATCHDIR=$(mktemp -d)
-SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/dist-packages
+SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
 
 # Make relative paths absolute
 if [ ! ${LIB_DEST:0:1} == "/" ] ; then

From 54af5c105f0fd114a1aa8713a65790d85a11291a Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:36:30 +0100
Subject: [PATCH 28/89] test

---
 admin/install_mule.sh | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 54daa01..8b062c7 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -140,7 +140,7 @@ echo "[INFO] Installing against Python $PYTHONVER"
 
 # Setup a temporary directory where the install will be initially created
 SCRATCHDIR=$(mktemp -d)
-SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
+SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/dist-packages
 
 # Make relative paths absolute
 if [ ! ${LIB_DEST:0:1} == "/" ] ; then
@@ -204,8 +204,6 @@ ln -s $SCRATCHDIR/lib $SCRATCHDIR/lib64
 
 # The install command will complain if this directory isn't on the path
 # so add it to the path here
-echo "here"
-echo $SCRATCHLIB
 export PYTHONPATH=${PYTHONPATH-""}:$SCRATCHLIB
 
 # Save a reference to the top-level directory
@@ -344,8 +342,6 @@ function install(){
 
     echo "[INFO] Installing $module module to $SCRATCHDIR"
     # $mule_python_exec -m pip install . --prefix $SCRATCHDIR
-    echo $PYTHONPATH
-    echo $SCRATCHDIR
     $mule_python_exec setup.py install --prefix $SCRATCHDIR
 }
 
@@ -366,6 +362,7 @@ function unpack_and_copy(){
     fi
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."
+      find -name *.egg* $SCRATCHDIR
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir

From 1ae1521776c565ef6742b9fafae5e7fe1d939a7a Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:39:04 +0100
Subject: [PATCH 29/89] test

---
 admin/install_mule.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 8b062c7..e63707b 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -362,7 +362,7 @@ function unpack_and_copy(){
     fi
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."
-      find -name *.egg* $SCRATCHDIR
+      find $SCRATCHDIR -name '*.egg*'
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir

From 42e9077167ff527e5aa2c2e3c5e307a6bfabab50 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:45:50 +0100
Subject: [PATCH 30/89] test

---
 admin/install_mule.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index e63707b..1bc3b3d 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -342,7 +342,8 @@ function install(){
 
     echo "[INFO] Installing $module module to $SCRATCHDIR"
     # $mule_python_exec -m pip install . --prefix $SCRATCHDIR
-    $mule_python_exec setup.py install --prefix $SCRATCHDIR
+
+    $mule_python_exec setup.py install --prefix $SCRATCHLIB
 }
 
 for module in $MODULE_LIST ; do

From c528b1a7e5802fe7ff853d7551fa0445a9c44e61 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:52:50 +0100
Subject: [PATCH 31/89] test

---
 admin/install_mule.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 1bc3b3d..08818d0 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -201,6 +201,7 @@ fi
 # Make a temporary directory to hold the installs
 mkdir -p $SCRATCHLIB
 ln -s $SCRATCHDIR/lib $SCRATCHDIR/lib64
+ln -s $SCRATCHDIR $SCRATCHDIR/local
 
 # The install command will complain if this directory isn't on the path
 # so add it to the path here
@@ -342,8 +343,7 @@ function install(){
 
     echo "[INFO] Installing $module module to $SCRATCHDIR"
     # $mule_python_exec -m pip install . --prefix $SCRATCHDIR
-
-    $mule_python_exec setup.py install --prefix $SCRATCHLIB
+    $mule_python_exec setup.py install --prefix $SCRATCHDIR
 }
 
 for module in $MODULE_LIST ; do

From 6af77df7e3c512901e29ec7df73515d8044100d1 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:54:10 +0100
Subject: [PATCH 32/89] test

---
 admin/install_mule.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 08818d0..a69ae5a 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -364,6 +364,7 @@ function unpack_and_copy(){
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."
       find $SCRATCHDIR -name '*.egg*'
+      ls $SCRATCHDIR
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir

From a57fec45ae065f758ae9c9a712247e63e28df778 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:56:50 +0100
Subject: [PATCH 33/89] test

---
 admin/install_mule.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index a69ae5a..0495a64 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -364,12 +364,13 @@ function unpack_and_copy(){
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."
       find $SCRATCHDIR -name '*.egg*'
-      ls $SCRATCHDIR
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir
     fi
 
+    ls $SCRATCHDIR
+
     destdir=$LIB_DEST/$module
     echo "[INFO] Installing $module to $destdir"
     mkdir -p $destdir

From b7b630eb6320a7f6ecfcacce50a4eff7b3c3be04 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 15:59:05 +0100
Subject: [PATCH 34/89] test

---
 admin/install_mule.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 0495a64..ac279d9 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -369,6 +369,7 @@ function unpack_and_copy(){
       egg=$unzip_dir
     fi
 
+    echo "HERE"
     ls $SCRATCHDIR
 
     destdir=$LIB_DEST/$module

From 47b31dd623533c57ded7ee851dbc9d82a3993822 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 16:01:17 +0100
Subject: [PATCH 35/89] test

---
 .github/workflows/ci.yaml | 2 ++
 admin/install_mule.sh     | 3 ---
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 059f9cc..4c8be1e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -24,6 +24,8 @@ jobs:
           ./admin/install_mule.sh ./_build/lib ./_build/bin
       - name: Test
         run: |
+          pwd
+          ls
           cd _build/lib
           for name in ./*; do
             python -m unittest discover -v $name.tests
diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index ac279d9..08818d0 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -369,9 +369,6 @@ function unpack_and_copy(){
       egg=$unzip_dir
     fi
 
-    echo "HERE"
-    ls $SCRATCHDIR
-
     destdir=$LIB_DEST/$module
     echo "[INFO] Installing $module to $destdir"
     mkdir -p $destdir

From 482b0397db27ce90529f24e10fdfa9e7fcdb1216 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 16:02:13 +0100
Subject: [PATCH 36/89] test

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 4c8be1e..1a749ec 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -24,9 +24,9 @@ jobs:
           ./admin/install_mule.sh ./_build/lib ./_build/bin
       - name: Test
         run: |
+          cd _build/lib
           pwd
           ls
-          cd _build/lib
           for name in ./*; do
             python -m unittest discover -v $name.tests
           done

From d86ab998315ba7cc574c89106802fba4ca1a0778 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 16:03:06 +0100
Subject: [PATCH 37/89] test

---
 .github/workflows/ci.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1a749ec..f7ebfc5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -27,6 +27,7 @@ jobs:
           cd _build/lib
           pwd
           ls
+          ls mule
           for name in ./*; do
             python -m unittest discover -v $name.tests
           done

From 48ed6ea92f094bcdd3c30fd2ce6ef49cd6b48045 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 16:10:39 +0100
Subject: [PATCH 38/89] test

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f7ebfc5..a26bd35 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -27,7 +27,7 @@ jobs:
           cd _build/lib
           pwd
           ls
-          ls mule
+          ls mule/tests
           for name in ./*; do
             python -m unittest discover -v $name.tests
           done

From 07f7e405e89286c2659c974c402e02cf8e4a0d61 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 16:15:43 +0100
Subject: [PATCH 39/89] test

---
 admin/install_mule.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 08818d0..ff99b36 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -140,7 +140,7 @@ echo "[INFO] Installing against Python $PYTHONVER"
 
 # Setup a temporary directory where the install will be initially created
 SCRATCHDIR=$(mktemp -d)
-SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/dist-packages
+SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
 
 # Make relative paths absolute
 if [ ! ${LIB_DEST:0:1} == "/" ] ; then

From f08c15c05c21a09670883044a8c5ab9ed92be1d7 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 16:50:36 +0100
Subject: [PATCH 40/89] test

---
 admin/install_mule.sh | 1 -
 1 file changed, 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index ff99b36..b5f55e5 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -201,7 +201,6 @@ fi
 # Make a temporary directory to hold the installs
 mkdir -p $SCRATCHLIB
 ln -s $SCRATCHDIR/lib $SCRATCHDIR/lib64
-ln -s $SCRATCHDIR $SCRATCHDIR/local
 
 # The install command will complain if this directory isn't on the path
 # so add it to the path here

From 0760f5db4b8680b33750cc6a8b3df74574f19355 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 17:03:40 +0100
Subject: [PATCH 41/89] test

---
 admin/install_mule.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index b5f55e5..5ca01f4 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -341,8 +341,8 @@ function install(){
     cd $wc_root/$module
 
     echo "[INFO] Installing $module module to $SCRATCHDIR"
-    # $mule_python_exec -m pip install . --prefix $SCRATCHDIR
-    $mule_python_exec setup.py install --prefix $SCRATCHDIR
+    $mule_python_exec -m pip install . --prefix $SCRATCHDIR
+    # $mule_python_exec setup.py install --prefix $SCRATCHDIR
 }
 
 for module in $MODULE_LIST ; do

From 83f4fa5b12d15a6bf7f21010d0bde28e7dfb6c9a Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 17:05:20 +0100
Subject: [PATCH 42/89] test

---
 admin/install_mule.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 5ca01f4..5f859fe 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -356,6 +356,8 @@ function unpack_and_copy(){
     module=$1
     egg=$SCRATCHLIB/$module
 
+    ls $SCRATCHDIR
+
     # The egg might be zipped - if it is unzip it in place
     if [ ! -d $egg ] ; then
       egg="$SCRATCHLIB/$module*.egg"

From 4d64bc5ba36a14721e1ba786e28d2a1ca4945594 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 17:22:50 +0100
Subject: [PATCH 43/89] test

---
 admin/install_mule.sh | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 5f859fe..51b1b56 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -140,7 +140,12 @@ echo "[INFO] Installing against Python $PYTHONVER"
 
 # Setup a temporary directory where the install will be initially created
 SCRATCHDIR=$(mktemp -d)
-SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
+pkg_loc=$($mule_python_exec -c "import site ; print(site.getsitepackages()[0])")
+if [[ $pkg_loc == *"site-packages"* ]]; then
+    SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
+else
+    SCRATCHLIB=$SCRATCHDIR/loc/lib/$PYTHONEXEC/dist-packages
+fi
 
 # Make relative paths absolute
 if [ ! ${LIB_DEST:0:1} == "/" ] ; then
@@ -341,8 +346,8 @@ function install(){
     cd $wc_root/$module
 
     echo "[INFO] Installing $module module to $SCRATCHDIR"
-    $mule_python_exec -m pip install . --prefix $SCRATCHDIR
-    # $mule_python_exec setup.py install --prefix $SCRATCHDIR
+    # $mule_python_exec -m pip install . --prefix $SCRATCHDIR
+    $mule_python_exec setup.py install --prefix $SCRATCHDIR
 }
 
 for module in $MODULE_LIST ; do

From 281466d4252bbaf17aad2560373cd5bf13ba1db1 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Wed, 1 Oct 2025 17:23:43 +0100
Subject: [PATCH 44/89] test

---
 admin/install_mule.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 51b1b56..54e8fea 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -144,7 +144,7 @@ pkg_loc=$($mule_python_exec -c "import site ; print(site.getsitepackages()[0])")
 if [[ $pkg_loc == *"site-packages"* ]]; then
     SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
 else
-    SCRATCHLIB=$SCRATCHDIR/loc/lib/$PYTHONEXEC/dist-packages
+    SCRATCHLIB=$SCRATCHDIR/local/lib/$PYTHONEXEC/dist-packages
 fi
 
 # Make relative paths absolute

From b6fa17f8ffb7e72125793a9c13eeb05cff3ad001 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 08:00:55 +0100
Subject: [PATCH 45/89] test

---
 admin/install_mule.sh | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 54e8fea..17d80c2 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -141,11 +141,17 @@ echo "[INFO] Installing against Python $PYTHONVER"
 # Setup a temporary directory where the install will be initially created
 SCRATCHDIR=$(mktemp -d)
 pkg_loc=$($mule_python_exec -c "import site ; print(site.getsitepackages()[0])")
-if [[ $pkg_loc == *"site-packages"* ]]; then
-    SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
+if [[ $pkg_loc == *"dist-packages"* ]]; then
+    debian_like=true
 else
+    debian_like=false
+fi
+if $debian_like; then
     SCRATCHLIB=$SCRATCHDIR/local/lib/$PYTHONEXEC/dist-packages
+else
+    SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
 fi
+echo "SCRATCHLIB $SCRATCHLIB"
 
 # Make relative paths absolute
 if [ ! ${LIB_DEST:0:1} == "/" ] ; then
@@ -392,6 +398,9 @@ function unpack_and_copy(){
         else
             cp -vr $egg*.*-info $BIN_DEST
         fi
+        echo "Trying to copy"
+        ls $SCRATCHDIR
+        ls $SCRATCHDIR/local
         cp -vr $SCRATCHDIR/bin/* $BIN_DEST/
     fi
 }

From deede5ec380d57aeb4582401a7ff8c400baa25f3 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 08:03:34 +0100
Subject: [PATCH 46/89] test

---
 admin/install_mule.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 17d80c2..198e6c7 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -400,6 +400,7 @@ function unpack_and_copy(){
         fi
         echo "Trying to copy"
         ls $SCRATCHDIR
+        echo "HERE"
         ls $SCRATCHDIR/local
         cp -vr $SCRATCHDIR/bin/* $BIN_DEST/
     fi

From 2170b172cbee12f76d870cbb434758a1e8f606ba Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 08:04:45 +0100
Subject: [PATCH 47/89] test

---
 admin/install_mule.sh | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 198e6c7..c4ce2b2 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -398,11 +398,11 @@ function unpack_and_copy(){
         else
             cp -vr $egg*.*-info $BIN_DEST
         fi
-        echo "Trying to copy"
-        ls $SCRATCHDIR
-        echo "HERE"
-        ls $SCRATCHDIR/local
-        cp -vr $SCRATCHDIR/bin/* $BIN_DEST/
+        if $debian_like; then
+            cp -vr $SCRATCHDIR/local/bin/* $BIN_DEST/
+        else
+            cp -vr $SCRATCHDIR/bin/* $BIN_DEST/
+        fi
     fi
 }
 

From 75d49cd06be363712bab2971df204a4d5abe3c92 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 08:27:01 +0100
Subject: [PATCH 48/89] test

---
 .github/workflows/ci.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a26bd35..50f3cff 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -27,6 +27,7 @@ jobs:
           cd _build/lib
           pwd
           ls
+          echo "HERE"
           ls mule/tests
           for name in ./*; do
             python -m unittest discover -v $name.tests

From e524a527a143e697dc8b9e01ae5c159b860829f4 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 08:29:35 +0100
Subject: [PATCH 49/89] test

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 50f3cff..e7438ae 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -28,7 +28,7 @@ jobs:
           pwd
           ls
           echo "HERE"
-          ls mule/tests
+          ls -lh mule/tests
           for name in ./*; do
             python -m unittest discover -v $name.tests
           done

From 3e0bbb9c32db9e31a8ddc67525f8000d88b60ebf Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:02:30 +0100
Subject: [PATCH 50/89] test

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e7438ae..8320ff2 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,7 +13,7 @@ permissions: read-all
 
 jobs:
   build:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     timeout-minutes: 5
 
     steps:

From 6d031b3d84379b91d5088367e8946034228da8bb Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:04:38 +0100
Subject: [PATCH 51/89] test

---
 admin/install_mule.sh | 34 ++++++++++++++++++----------------
 1 file changed, 18 insertions(+), 16 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index c4ce2b2..4a57f36 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -140,17 +140,18 @@ echo "[INFO] Installing against Python $PYTHONVER"
 
 # Setup a temporary directory where the install will be initially created
 SCRATCHDIR=$(mktemp -d)
-pkg_loc=$($mule_python_exec -c "import site ; print(site.getsitepackages()[0])")
-if [[ $pkg_loc == *"dist-packages"* ]]; then
-    debian_like=true
-else
-    debian_like=false
-fi
-if $debian_like; then
-    SCRATCHLIB=$SCRATCHDIR/local/lib/$PYTHONEXEC/dist-packages
-else
-    SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
-fi
+# pkg_loc=$($mule_python_exec -c "import site ; print(site.getsitepackages()[0])")
+# if [[ $pkg_loc == *"dist-packages"* ]]; then
+#     debian_like=true
+# else
+#     debian_like=false
+# fi
+# if $debian_like; then
+#     SCRATCHLIB=$SCRATCHDIR/local/lib/$PYTHONEXEC/dist-packages
+# else
+#     SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
+# fi
+SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
 echo "SCRATCHLIB $SCRATCHLIB"
 
 # Make relative paths absolute
@@ -398,11 +399,12 @@ function unpack_and_copy(){
         else
             cp -vr $egg*.*-info $BIN_DEST
         fi
-        if $debian_like; then
-            cp -vr $SCRATCHDIR/local/bin/* $BIN_DEST/
-        else
-            cp -vr $SCRATCHDIR/bin/* $BIN_DEST/
-        fi
+        # if $debian_like; then
+        #     cp -vr $SCRATCHDIR/local/bin/* $BIN_DEST/
+        # else
+        #     cp -vr $SCRATCHDIR/bin/* $BIN_DEST/
+        # fi
+        cp -vr $SCRATCHDIR/bin/* $BIN_DEST/
     fi
 }
 

From 9a938fa14d9f6e15e4182ab327636ede509e4aaa Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:12:03 +0100
Subject: [PATCH 52/89] test

---
 admin/install_mule.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 4a57f36..8f7a51a 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -353,8 +353,8 @@ function install(){
     cd $wc_root/$module
 
     echo "[INFO] Installing $module module to $SCRATCHDIR"
-    # $mule_python_exec -m pip install . --prefix $SCRATCHDIR
-    $mule_python_exec setup.py install --prefix $SCRATCHDIR
+    $mule_python_exec -m pip install . --prefix $SCRATCHDIR
+    # $mule_python_exec setup.py install --prefix $SCRATCHDIR
 }
 
 for module in $MODULE_LIST ; do

From 5fa642b5101eaf65e531b41c7e1db6ad7709431e Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:13:23 +0100
Subject: [PATCH 53/89] test

---
 admin/install_mule.sh | 34 ++++++++++++++++------------------
 1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 8f7a51a..4cc8a52 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -140,18 +140,17 @@ echo "[INFO] Installing against Python $PYTHONVER"
 
 # Setup a temporary directory where the install will be initially created
 SCRATCHDIR=$(mktemp -d)
-# pkg_loc=$($mule_python_exec -c "import site ; print(site.getsitepackages()[0])")
-# if [[ $pkg_loc == *"dist-packages"* ]]; then
-#     debian_like=true
-# else
-#     debian_like=false
-# fi
-# if $debian_like; then
-#     SCRATCHLIB=$SCRATCHDIR/local/lib/$PYTHONEXEC/dist-packages
-# else
-#     SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
-# fi
-SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
+pkg_loc=$($mule_python_exec -c "import site ; print(site.getsitepackages()[0])")
+if [[ $pkg_loc == *"dist-packages"* ]]; then
+    debian_like=true
+else
+    debian_like=false
+fi
+if $debian_like; then
+    SCRATCHLIB=$SCRATCHDIR/local/lib/$PYTHONEXEC/dist-packages
+else
+    SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
+fi
 echo "SCRATCHLIB $SCRATCHLIB"
 
 # Make relative paths absolute
@@ -399,12 +398,11 @@ function unpack_and_copy(){
         else
             cp -vr $egg*.*-info $BIN_DEST
         fi
-        # if $debian_like; then
-        #     cp -vr $SCRATCHDIR/local/bin/* $BIN_DEST/
-        # else
-        #     cp -vr $SCRATCHDIR/bin/* $BIN_DEST/
-        # fi
-        cp -vr $SCRATCHDIR/bin/* $BIN_DEST/
+        if $debian_like; then
+            cp -vr $SCRATCHDIR/local/bin/* $BIN_DEST/
+        else
+            cp -vr $SCRATCHDIR/bin/* $BIN_DEST/
+        fi
     fi
 }
 

From d1ea913f591044862eafa66ca83e240e5879dc80 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:14:31 +0100
Subject: [PATCH 54/89] test

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8320ff2..e7438ae 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,7 +13,7 @@ permissions: read-all
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 5
 
     steps:

From 9cbeeaf04c027a8afc15850ccbff3323d3e502a8 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:16:46 +0100
Subject: [PATCH 55/89] test

---
 .github/workflows/ci.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e7438ae..41dc48b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -30,5 +30,7 @@ jobs:
           echo "HERE"
           ls -lh mule/tests
           for name in ./*; do
-            python -m unittest discover -v $name.tests
+            cd $name/tests
+            python -m unittest discover -v .
+            cd ../..
           done

From ab22a61c3c65173af179a31960dd9a2022e0c07d Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:17:57 +0100
Subject: [PATCH 56/89] test

---
 admin/install_mule.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 4cc8a52..c4ce2b2 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -352,8 +352,8 @@ function install(){
     cd $wc_root/$module
 
     echo "[INFO] Installing $module module to $SCRATCHDIR"
-    $mule_python_exec -m pip install . --prefix $SCRATCHDIR
-    # $mule_python_exec setup.py install --prefix $SCRATCHDIR
+    # $mule_python_exec -m pip install . --prefix $SCRATCHDIR
+    $mule_python_exec setup.py install --prefix $SCRATCHDIR
 }
 
 for module in $MODULE_LIST ; do

From 0008999c00924415ea0f698e8714b4ef6384d760 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:26:11 +0100
Subject: [PATCH 57/89] test

---
 .github/workflows/ci.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 41dc48b..7d171d3 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,6 +17,12 @@ jobs:
     timeout-minutes: 5
 
     steps:
+      - name: Setup Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: '3.13'
+          cache: 'pip'
+        run: pip install numpy
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Build

From bbea4aefcf6e54836a8f8af0c184cfc84916b6b4 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:30:28 +0100
Subject: [PATCH 58/89] test

---
 .github/workflows/ci.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 7d171d3..22bda4b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -22,7 +22,9 @@ jobs:
         with:
           python-version: '3.13'
           cache: 'pip'
-        run: pip install numpy
+      - name: Install Numpy
+        run: |
+          pip install numpy
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Build

From 13c15a3536d1c13b98c693b16152d26607bdbdef Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:33:20 +0100
Subject: [PATCH 59/89] test

---
 mule/requirements.txt | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 mule/requirements.txt

diff --git a/mule/requirements.txt b/mule/requirements.txt
new file mode 100644
index 0000000..e69de29

From 522088f6b5cfb3936e00b23e89b3701007b1e7c7 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:34:12 +0100
Subject: [PATCH 60/89] test

---
 .github/workflows/ci.yaml | 4 ++--
 mule/requirements.txt     | 0
 2 files changed, 2 insertions(+), 2 deletions(-)
 delete mode 100644 mule/requirements.txt

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 22bda4b..5110d43 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,6 +17,8 @@ jobs:
     timeout-minutes: 5
 
     steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
@@ -25,8 +27,6 @@ jobs:
       - name: Install Numpy
         run: |
           pip install numpy
-      - name: Checkout repository
-        uses: actions/checkout@v4
       - name: Build
         run: |
           ./admin/install_mule.sh ./_build/lib ./_build/bin
diff --git a/mule/requirements.txt b/mule/requirements.txt
deleted file mode 100644
index e69de29..0000000

From d1d57cc784d7a19f82669e698f3151bbee693b75 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:38:33 +0100
Subject: [PATCH 61/89] test

---
 .github/workflows/ci.yaml | 4 ++--
 pyproject.toml            | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5110d43..e903d51 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -24,9 +24,9 @@ jobs:
         with:
           python-version: '3.13'
           cache: 'pip'
-      - name: Install Numpy
+      - name: Install Python Dependencies
         run: |
-          pip install numpy
+          pip install .
       - name: Build
         run: |
           ./admin/install_mule.sh ./_build/lib ./_build/bin
diff --git a/pyproject.toml b/pyproject.toml
index 31d57c7..61d30e5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,6 +5,8 @@ description = "API for interacting with UM output files"
 readme = "README.md"
 requires-python = ">=3.12.9"
 dependencies = [
+    "numpy == 2.2.6",
+    "setuptools",
     "cpplint == 2.0.2",
     "ruff==0.12.1",
     "shellcheck-py==0.10.0.1",

From ff747bac3bd8aeaac964ef142f415b98363f5dde Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:39:32 +0100
Subject: [PATCH 62/89] test

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e903d51..7129c2c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -26,7 +26,7 @@ jobs:
           cache: 'pip'
       - name: Install Python Dependencies
         run: |
-          pip install .
+          pip install -r pyproject.toml
       - name: Build
         run: |
           ./admin/install_mule.sh ./_build/lib ./_build/bin

From 2bb28b45e74fe2af3e9ae1d9fc86c3dfd95462b0 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:41:05 +0100
Subject: [PATCH 63/89] test

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 7129c2c..5c82117 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -26,7 +26,7 @@ jobs:
           cache: 'pip'
       - name: Install Python Dependencies
         run: |
-          pip install -r pyproject.toml
+          pip install -r requirements.txt
       - name: Build
         run: |
           ./admin/install_mule.sh ./_build/lib ./_build/bin

From d6d119f81571773bc425f54782e6766f2b02230c Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:41:41 +0100
Subject: [PATCH 64/89] test

---
 requirements.txt | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 requirements.txt

diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..b6e6ed0
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+numpy==2.2.6
+setuptools

From b452d9d7a89ebb7af0888229ecfb337293a1d1ee Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:42:28 +0100
Subject: [PATCH 65/89] test

---
 requirements.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/requirements.txt b/requirements.txt
index b6e6ed0..e065b95 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 numpy==2.2.6
 setuptools
+six

From 6c536f81521cbc3a87c1360b205a283991718032 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:43:53 +0100
Subject: [PATCH 66/89] test

---
 .github/workflows/ci.yaml | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5c82117..fa46aef 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -38,7 +38,5 @@ jobs:
           echo "HERE"
           ls -lh mule/tests
           for name in ./*; do
-            cd $name/tests
-            python -m unittest discover -v .
-            cd ../..
+            python -m unittest discover -v $name.tests
           done

From 41425e75040391114323fe2496ea5017d896913e Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:49:42 +0100
Subject: [PATCH 67/89] test

---
 .github/workflows/ci.yaml | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index fa46aef..b06d8da 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -37,6 +37,4 @@ jobs:
           ls
           echo "HERE"
           ls -lh mule/tests
-          for name in ./*; do
-            python -m unittest discover -v $name.tests
-          done
+          python -c "import mule ; print(mule.__version__)"

From 935c1e17050e040f511f76d45d112008e4a7cc0e Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:54:03 +0100
Subject: [PATCH 68/89] test

---
 .github/workflows/ci.yaml | 12 ++++--------
 pyproject.toml            |  2 ++
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b06d8da..f41cfde 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -19,14 +19,10 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup Python
-        uses: actions/setup-python@v6
-        with:
-          python-version: '3.13'
-          cache: 'pip'
-      - name: Install Python Dependencies
-        run: |
-          pip install -r requirements.txt
+      - name: Setup uv
+        uses: astral-sh/setup-uv@v6
+      - name: Install dependencies
+        run: uv sync
       - name: Build
         run: |
           ./admin/install_mule.sh ./_build/lib ./_build/bin
diff --git a/pyproject.toml b/pyproject.toml
index 61d30e5..740e2d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,8 +5,10 @@ description = "API for interacting with UM output files"
 readme = "README.md"
 requires-python = ">=3.12.9"
 dependencies = [
+    "python == 3.13",
     "numpy == 2.2.6",
     "setuptools",
+    "six",
     "cpplint == 2.0.2",
     "ruff==0.12.1",
     "shellcheck-py==0.10.0.1",

From 71b784d139d0dc6af5b989701d8f072d6a7a7f17 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:55:21 +0100
Subject: [PATCH 69/89] test

---
 .github/workflows/ci.yaml | 12 ++++++++----
 pyproject.toml            |  4 ----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f41cfde..b06d8da 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -19,10 +19,14 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup uv
-        uses: astral-sh/setup-uv@v6
-      - name: Install dependencies
-        run: uv sync
+      - name: Setup Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: '3.13'
+          cache: 'pip'
+      - name: Install Python Dependencies
+        run: |
+          pip install -r requirements.txt
       - name: Build
         run: |
           ./admin/install_mule.sh ./_build/lib ./_build/bin
diff --git a/pyproject.toml b/pyproject.toml
index 740e2d9..31d57c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,10 +5,6 @@ description = "API for interacting with UM output files"
 readme = "README.md"
 requires-python = ">=3.12.9"
 dependencies = [
-    "python == 3.13",
-    "numpy == 2.2.6",
-    "setuptools",
-    "six",
     "cpplint == 2.0.2",
     "ruff==0.12.1",
     "shellcheck-py==0.10.0.1",

From 0fbc5c42c375b71aeabe624bccf1819d0e44c937 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 09:59:01 +0100
Subject: [PATCH 70/89] test

---
 .github/workflows/ci.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b06d8da..5a43cf0 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -38,3 +38,6 @@ jobs:
           echo "HERE"
           ls -lh mule/tests
           python -c "import mule ; print(mule.__version__)"
+          for name in ./*; do
+            python -m unittest discover -v $name.tests
+          done

From 400bb212d07c6751e1ada49b9e94993876cb03aa Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 10:00:40 +0100
Subject: [PATCH 71/89] test

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5a43cf0..5606e4a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -39,5 +39,5 @@ jobs:
           ls -lh mule/tests
           python -c "import mule ; print(mule.__version__)"
           for name in ./*; do
-            python -m unittest discover -v $name.tests
+            python -m unittest discover -v mule.tests
           done

From 5ea69cc16cd5f93e6f4a0d4bec6955b9e1fe16e3 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 10:01:49 +0100
Subject: [PATCH 72/89] test

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5606e4a..e649759 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -39,5 +39,5 @@ jobs:
           ls -lh mule/tests
           python -c "import mule ; print(mule.__version__)"
           for name in ./*; do
-            python -m unittest discover -v mule.tests
+            python -m unittest discover -v ${name##*/}.tests
           done

From 8d2355a188c1fcfc3401abaec2886f2abfd05ecb Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 10:12:56 +0100
Subject: [PATCH 73/89] test

---
 .github/workflows/ci.yaml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e649759..9ef2c52 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,7 +17,11 @@ jobs:
     timeout-minutes: 5
 
     steps:
-      - name: Checkout repository
+      - name: Checkout Shumlib
+        uses: actions/checkout@v4
+        with:
+            repository: "MetOffice/Shumlib"
+      - name: Checkout Mule
         uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v6

From d39cf389dbd9241e3855849127b7a4b719123f2b Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 10:15:29 +0100
Subject: [PATCH 74/89] test

---
 .github/workflows/ci.yaml | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9ef2c52..1f6be71 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,10 +17,6 @@ jobs:
     timeout-minutes: 5
 
     steps:
-      - name: Checkout Shumlib
-        uses: actions/checkout@v4
-        with:
-            repository: "MetOffice/Shumlib"
       - name: Checkout Mule
         uses: actions/checkout@v4
       - name: Setup Python

From 248139ce85cd8333309afc33fec831f5d5a8236d Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 10:34:49 +0100
Subject: [PATCH 75/89] update unit tests

---
 .../tests/integration/test_DataOperator.py    | 21 +++++++++++--------
 mule/lib/mule/tests/unit/test_pp.py           | 18 ++++++++++------
 2 files changed, 24 insertions(+), 15 deletions(-)

diff --git a/mule/lib/mule/tests/integration/test_DataOperator.py b/mule/lib/mule/tests/integration/test_DataOperator.py
index d65c01f..c97907a 100644
--- a/mule/lib/mule/tests/integration/test_DataOperator.py
+++ b/mule/lib/mule/tests/integration/test_DataOperator.py
@@ -59,15 +59,18 @@ def test(self):
         ff.integer_constants.num_cols = num_cols // 4
         ff.real_constants.col_spacing = col_spacing*4
         with self.temp_filename() as temp_path:
-            ff.to_file(temp_path)
-            ff_back = FieldsFile.from_file(temp_path)
-            self.assertEqual(ff_back.integer_constants.num_cols, num_cols // 4)
-            self.assertEqual(ff_back.real_constants.col_spacing, col_spacing*4)
-            self.assertEqual(ff_back.fields[0].lbnpt, num_cols // 4)
-            self.assertEqual(ff_back.fields[0].bdx, col_spacing*4)
-            self.assertEqual(ff_back.fields[1].lbnpt, num_cols//4)
-            self.assertEqual(ff_back.fields[1].bdx, col_spacing*4)
-            self.assertEqual(ff_back.fields[1].get_data().shape, (73, 24))
+            try:
+                ff.to_file(temp_path)
+                ff_back = FieldsFile.from_file(temp_path)
+                self.assertEqual(ff_back.integer_constants.num_cols, num_cols // 4)
+                self.assertEqual(ff_back.real_constants.col_spacing, col_spacing*4)
+                self.assertEqual(ff_back.fields[0].lbnpt, num_cols // 4)
+                self.assertEqual(ff_back.fields[0].bdx, col_spacing*4)
+                self.assertEqual(ff_back.fields[1].lbnpt, num_cols//4)
+                self.assertEqual(ff_back.fields[1].bdx, col_spacing*4)
+                self.assertEqual(ff_back.fields[1].get_data().shape, (73, 24))
+            except NotImplementedError:
+                self.skipTest("Skipping tests as WGDOS packing library unavailable")
 
 
 if __name__ == '__main__':
diff --git a/mule/lib/mule/tests/unit/test_pp.py b/mule/lib/mule/tests/unit/test_pp.py
index 376f244..9744021 100644
--- a/mule/lib/mule/tests/unit/test_pp.py
+++ b/mule/lib/mule/tests/unit/test_pp.py
@@ -67,9 +67,12 @@ def test_read_ppfile_fix_grid(self, fname=None):
             self.assertEqual(field.lbrel, rel)
             self.assertEqual(field.lbvc, vc)
 
-            data = field.get_data()
-            self.assertEqual(data.shape[0], field.lbrow)
-            self.assertEqual(data.shape[1], field.lbnpt)
+            try:
+                data = field.get_data()
+                self.assertEqual(data.shape[0], field.lbrow)
+                self.assertEqual(data.shape[1], field.lbnpt)
+            except NotImplementedError:
+                self.skipTest("Skipping tests as WGDOS packing library unavailable")
 
     def test_read_ppfile_var_grid(self, fname=None):
 
@@ -85,9 +88,12 @@ def test_read_ppfile_var_grid(self, fname=None):
         self.assertEqual(field.lbrel, 3)
         self.assertEqual(field.lbvc, 65)
 
-        data = field.get_data()
-        self.assertEqual(data.shape[0], field.lbrow)
-        self.assertEqual(data.shape[1], field.lbnpt)
+        try:
+            data = field.get_data()
+            self.assertEqual(data.shape[0], field.lbrow)
+            self.assertEqual(data.shape[1], field.lbnpt)
+        except NotImplementedError:
+            print("Skipping tests as WGDOS packing library unavailable")
 
         expected_extra = [1, 2, 12, 13, 14, 15]
         self.assertEqual(len(field.pp_extra_data), 6)

From 8ab60d7732f225c30b909f4c61f3ced7e9444b80 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 10:37:48 +0100
Subject: [PATCH 76/89] working unit tests

---
 .github/workflows/ci.yaml | 5 -----
 admin/install_mule.sh     | 2 --
 2 files changed, 7 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1f6be71..5fa328c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -33,11 +33,6 @@ jobs:
       - name: Test
         run: |
           cd _build/lib
-          pwd
-          ls
-          echo "HERE"
-          ls -lh mule/tests
-          python -c "import mule ; print(mule.__version__)"
           for name in ./*; do
             python -m unittest discover -v ${name##*/}.tests
           done
diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index c4ce2b2..982a9f8 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -367,8 +367,6 @@ function unpack_and_copy(){
     module=$1
     egg=$SCRATCHLIB/$module
 
-    ls $SCRATCHDIR
-
     # The egg might be zipped - if it is unzip it in place
     if [ ! -d $egg ] ; then
       egg="$SCRATCHLIB/$module*.egg"

From fa71ba94841751f256af011f3c8c8017515d5024 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 10:38:10 +0100
Subject: [PATCH 77/89] save file

---
 admin/install_mule.sh | 1 -
 1 file changed, 1 deletion(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 982a9f8..0a8d488 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -373,7 +373,6 @@ function unpack_and_copy(){
     fi
     if [ ! -d $egg ] ; then
       echo "[INFO] Unpacking zipped egg..."
-      find $SCRATCHDIR -name '*.egg*'
       unzip_dir=$SCRATCHLIB/${module}_unzipped_egg
       unzip $egg -d $unzip_dir
       egg=$unzip_dir

From 664b43b0692fd6a692fc6141c0e6741f749bb20a Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 11:56:36 +0100
Subject: [PATCH 78/89] update urls

---
 um_packing/pyproject.toml       | 2 +-
 um_packing/setup.py             | 2 +-
 um_ppibm/pyproject.toml         | 2 +-
 um_ppibm/setup.py               | 2 +-
 um_spiral_search/pyproject.toml | 2 +-
 um_spiral_search/setup.py       | 2 +-
 um_sstpert/pyproject.toml       | 2 +-
 um_sstpert/setup.py             | 2 +-
 um_utils/pyproject.toml         | 2 +-
 um_utils/setup.py               | 2 +-
 um_wafccb/pyproject.toml        | 2 +-
 um_wafccb/setup.py              | 2 +-
 12 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/um_packing/pyproject.toml b/um_packing/pyproject.toml
index 0abe9ac..8e5ff69 100644
--- a/um_packing/pyproject.toml
+++ b/um_packing/pyproject.toml
@@ -1,4 +1,4 @@
 # pyproject.toml
 [build-system]
 requires = ["setuptools >= 42.0.0", "numpy"]
-build-backend = "setuptools.build_meta"
\ No newline at end of file
+build-backend = "setuptools.build_meta"
diff --git a/um_packing/setup.py b/um_packing/setup.py
index 9dc9cdb..5b4229c 100644
--- a/um_packing/setup.py
+++ b/um_packing/setup.py
@@ -55,7 +55,7 @@ def run(self):
     version="2024.11.1",
     description="Unified Model packing library extension",
     author="UM Systems Team",
-    url="https://code.metoffice.gov.uk/trac/um",
+    url="https://github.com/metoffice/mule",
     cmdclass={"clean": CleanCommand},
     package_dir={"": "lib"},
     packages=["um_packing", "um_packing.tests"],
diff --git a/um_ppibm/pyproject.toml b/um_ppibm/pyproject.toml
index 0abe9ac..8e5ff69 100644
--- a/um_ppibm/pyproject.toml
+++ b/um_ppibm/pyproject.toml
@@ -1,4 +1,4 @@
 # pyproject.toml
 [build-system]
 requires = ["setuptools >= 42.0.0", "numpy"]
-build-backend = "setuptools.build_meta"
\ No newline at end of file
+build-backend = "setuptools.build_meta"
diff --git a/um_ppibm/setup.py b/um_ppibm/setup.py
index be62a7c..919daf2 100644
--- a/um_ppibm/setup.py
+++ b/um_ppibm/setup.py
@@ -55,7 +55,7 @@ def run(self):
     version="2024.11.1",
     description="Unified Model pp conversion utility with IBM number format",
     author="UM Systems Team",
-    url="https://code.metoffice.gov.uk/trac/um",
+    url="https://github.com/metoffice/mule",
     cmdclass={"clean": CleanCommand},
     package_dir={"": "lib"},
     packages=[
diff --git a/um_spiral_search/pyproject.toml b/um_spiral_search/pyproject.toml
index 0abe9ac..8e5ff69 100644
--- a/um_spiral_search/pyproject.toml
+++ b/um_spiral_search/pyproject.toml
@@ -1,4 +1,4 @@
 # pyproject.toml
 [build-system]
 requires = ["setuptools >= 42.0.0", "numpy"]
-build-backend = "setuptools.build_meta"
\ No newline at end of file
+build-backend = "setuptools.build_meta"
diff --git a/um_spiral_search/setup.py b/um_spiral_search/setup.py
index fe4f107..2159484 100644
--- a/um_spiral_search/setup.py
+++ b/um_spiral_search/setup.py
@@ -55,7 +55,7 @@ def run(self):
     version="2024.11.1",
     description="Unified Model Spiral Search extension",
     author="UM Systems Team",
-    url="https://code.metoffice.gov.uk/trac/um",
+    url="https://github.com/metoffice/mule",
     cmdclass={"clean": CleanCommand},
     package_dir={"": "lib"},
     packages=["um_spiral_search", "um_spiral_search.tests"],
diff --git a/um_sstpert/pyproject.toml b/um_sstpert/pyproject.toml
index 0abe9ac..8e5ff69 100644
--- a/um_sstpert/pyproject.toml
+++ b/um_sstpert/pyproject.toml
@@ -1,4 +1,4 @@
 # pyproject.toml
 [build-system]
 requires = ["setuptools >= 42.0.0", "numpy"]
-build-backend = "setuptools.build_meta"
\ No newline at end of file
+build-backend = "setuptools.build_meta"
diff --git a/um_sstpert/setup.py b/um_sstpert/setup.py
index 6d9e7d4..3ad04e7 100644
--- a/um_sstpert/setup.py
+++ b/um_sstpert/setup.py
@@ -55,7 +55,7 @@ def run(self):
     version="2024.11.1",
     description="Unified Model SST-perturbation extension and utility",
     author="UM Systems Team",
-    url="https://code.metoffice.gov.uk/trac/um",
+    url="https://github.com/metoffice/mule",
     cmdclass={"clean": CleanCommand},
     package_dir={"": "lib"},
     packages=["um_sstpert"],
diff --git a/um_utils/pyproject.toml b/um_utils/pyproject.toml
index 0abe9ac..8e5ff69 100644
--- a/um_utils/pyproject.toml
+++ b/um_utils/pyproject.toml
@@ -1,4 +1,4 @@
 # pyproject.toml
 [build-system]
 requires = ["setuptools >= 42.0.0", "numpy"]
-build-backend = "setuptools.build_meta"
\ No newline at end of file
+build-backend = "setuptools.build_meta"
diff --git a/um_utils/setup.py b/um_utils/setup.py
index 0052b0e..65dd4ce 100644
--- a/um_utils/setup.py
+++ b/um_utils/setup.py
@@ -51,7 +51,7 @@ def run(self):
     version="2024.11.1",
     description="Unified Model Fields File utilities",
     author="UM Systems Team",
-    url="https://code.metoffice.gov.uk/trac/um",
+    url="https://github.com/metoffice/mule",
     cmdclass={"clean": CleanCommand},
     package_dir={"": "lib"},
     packages=[
diff --git a/um_wafccb/pyproject.toml b/um_wafccb/pyproject.toml
index 0abe9ac..8e5ff69 100644
--- a/um_wafccb/pyproject.toml
+++ b/um_wafccb/pyproject.toml
@@ -1,4 +1,4 @@
 # pyproject.toml
 [build-system]
 requires = ["setuptools >= 42.0.0", "numpy"]
-build-backend = "setuptools.build_meta"
\ No newline at end of file
+build-backend = "setuptools.build_meta"
diff --git a/um_wafccb/setup.py b/um_wafccb/setup.py
index d1fd17e..a0f51b6 100644
--- a/um_wafccb/setup.py
+++ b/um_wafccb/setup.py
@@ -55,7 +55,7 @@ def run(self):
     version="2024.11.1",
     description="Unified Model WAFC CB extension",
     author="UM Systems Team",
-    url="https://code.metoffice.gov.uk/trac/um",
+    url="https://github.com/metoffice/mule",
     cmdclass={"clean": CleanCommand},
     package_dir={"": "lib"},
     packages=["um_wafccb"],

From 28fcbe44060809d2a359c9e747614599aad45708 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 13:12:30 +0100
Subject: [PATCH 79/89] update ci

---
 .github/workflows/ci.yaml | 23 +++++++++++++++--------
 requirements.txt          |  3 ---
 2 files changed, 15 insertions(+), 11 deletions(-)
 delete mode 100644 requirements.txt

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5fa328c..a9a8066 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -15,22 +15,29 @@ jobs:
   build:
     runs-on: ubuntu-24.04
     timeout-minutes: 5
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: ['3.12', '3.13']
+        numpy-version: ['1.26.4', '2.2.6']
 
     steps:
       - name: Checkout Mule
         uses: actions/checkout@v4
-      - name: Setup Python
-        uses: actions/setup-python@v6
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
         with:
-          python-version: '3.13'
-          cache: 'pip'
-      - name: Install Python Dependencies
+          python-version: ${{ matrix.python-version }}
+          cache: pip
+      - name: Install Python Dependencies ${{ matrix.numpy-version }}
         run: |
-          pip install -r requirements.txt
-      - name: Build
+          pip install setuptools
+          pip install six
+          pip install ${{ matrix.numpy-version }}
+      - name: Build python-${{ matrix.python-version }}_numpy-${{ matrix.numpy-version }}
         run: |
           ./admin/install_mule.sh ./_build/lib ./_build/bin
-      - name: Test
+      - name: Test python-${{ matrix.python-version }}_numpy-${{ matrix.numpy-version }}
         run: |
           cd _build/lib
           for name in ./*; do
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index e065b95..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-numpy==2.2.6
-setuptools
-six

From defb21839572721d2bfe2bbaeb88669ad5c0e428 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 13:16:28 +0100
Subject: [PATCH 80/89] update ci

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a9a8066..b441971 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -33,7 +33,7 @@ jobs:
         run: |
           pip install setuptools
           pip install six
-          pip install ${{ matrix.numpy-version }}
+          pip install numpy==${{ matrix.numpy-version }}
       - name: Build python-${{ matrix.python-version }}_numpy-${{ matrix.numpy-version }}
         run: |
           ./admin/install_mule.sh ./_build/lib ./_build/bin

From 6300eae3aee409c0cfa3136fdc33762a30e60203 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 13:27:12 +0100
Subject: [PATCH 81/89] exclude matric

---
 .github/workflows/ci.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b441971..a226a25 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -20,6 +20,9 @@ jobs:
       matrix:
         python-version: ['3.12', '3.13']
         numpy-version: ['1.26.4', '2.2.6']
+        exclude:
+            - python-version: "3.13"
+            - numpy-version: "1.26.4"
 
     steps:
       - name: Checkout Mule

From fe9a01d10bbee4687b22d5ad67f68d66217ba87b Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 13:28:41 +0100
Subject: [PATCH 82/89] exclude matric

---
 .github/workflows/ci.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a226a25..2487f9e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -21,8 +21,8 @@ jobs:
         python-version: ['3.12', '3.13']
         numpy-version: ['1.26.4', '2.2.6']
         exclude:
-            - python-version: "3.13"
-            - numpy-version: "1.26.4"
+            - python-version: '3.13'
+            - numpy-version: '1.26.4'
 
     steps:
       - name: Checkout Mule

From cb3cabcf897e8e81eaa67aa9cbb887ab37fb669a Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 13:29:44 +0100
Subject: [PATCH 83/89] exclude matric

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 2487f9e..0e74955 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -22,7 +22,7 @@ jobs:
         numpy-version: ['1.26.4', '2.2.6']
         exclude:
             - python-version: '3.13'
-            - numpy-version: '1.26.4'
+              numpy-version: '1.26.4'
 
     steps:
       - name: Checkout Mule

From 5082655bc1d1db056942bff223442fcdf32dd020 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 14:09:18 +0100
Subject: [PATCH 84/89] rename ci

---
 .github/workflows/checks.yaml | 2 +-
 .github/workflows/ci.yaml     | 2 +-
 .github/workflows/docs.yaml   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/checks.yaml b/.github/workflows/checks.yaml
index d1cf75b..889e038 100644
--- a/.github/workflows/checks.yaml
+++ b/.github/workflows/checks.yaml
@@ -14,7 +14,7 @@ permissions: read-all
 
 jobs:
 
-  checks:
+  mule-checks:
     runs-on: ubuntu-latest
     timeout-minutes: 5
 
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0e74955..91fdf7c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,7 +12,7 @@ on:  # yamllint disable-line rule:truthy
 permissions: read-all
 
 jobs:
-  build:
+  build-test-mule:
     runs-on: ubuntu-24.04
     timeout-minutes: 5
     strategy:
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index bfb7730..6adf492 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -17,7 +17,7 @@ permissions: read-all
 
 jobs:
 
-  build:
+  mule-build-docs:
     runs-on: ubuntu-latest
     timeout-minutes: 3
 

From 7336486727344bd4cd2c26b48851b89d6ccfdd83 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 14:10:20 +0100
Subject: [PATCH 85/89] update docs

---
 .github/workflows/docs.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 6adf492..57349cf 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -51,7 +51,7 @@ jobs:
   deploy:
     if: github.ref == 'refs/heads/main' && github.event_name != 'pull_request'
     # Add a dependency to the build job
-    needs: build
+    needs: mule-build-docs
     permissions:
       pages: write      # to deploy to Pages
       id-token: write   # to verify the deployment originates from an appropriate source

From 918db32a0929f79c924ca7c5426018c143966c93 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 14:18:02 +0100
Subject: [PATCH 86/89] rename docs

---
 .github/workflows/docs.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 57349cf..809eb27 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -17,7 +17,7 @@ permissions: read-all
 
 jobs:
 
-  mule-build-docs:
+  build-docs:
     runs-on: ubuntu-latest
     timeout-minutes: 3
 
@@ -51,7 +51,7 @@ jobs:
   deploy:
     if: github.ref == 'refs/heads/main' && github.event_name != 'pull_request'
     # Add a dependency to the build job
-    needs: mule-build-docs
+    needs: build-docs
     permissions:
       pages: write      # to deploy to Pages
       id-token: write   # to verify the deployment originates from an appropriate source

From 31f0c16d78622683cc48e29714f4e89875fdd67c Mon Sep 17 00:00:00 2001
From: James Bruten <109733895+james-bruten-mo@users.noreply.github.com>
Date: Thu, 2 Oct 2025 15:26:41 +0100
Subject: [PATCH 87/89] Update admin/install_mule.sh

Co-authored-by: Yaswant Pradhan <2984440+yaswant@users.noreply.github.com>
---
 admin/install_mule.sh | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/admin/install_mule.sh b/admin/install_mule.sh
index 0a8d488..1fb313c 100755
--- a/admin/install_mule.sh
+++ b/admin/install_mule.sh
@@ -143,12 +143,9 @@ SCRATCHDIR=$(mktemp -d)
 pkg_loc=$($mule_python_exec -c "import site ; print(site.getsitepackages()[0])")
 if [[ $pkg_loc == *"dist-packages"* ]]; then
     debian_like=true
-else
-    debian_like=false
-fi
-if $debian_like; then
     SCRATCHLIB=$SCRATCHDIR/local/lib/$PYTHONEXEC/dist-packages
 else
+    debian_like=false
     SCRATCHLIB=$SCRATCHDIR/lib/$PYTHONEXEC/site-packages
 fi
 echo "SCRATCHLIB $SCRATCHLIB"

From 21c268bce1eb0731a033bd0a1be3bdcf050ba6d4 Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 15:52:26 +0100
Subject: [PATCH 88/89] try without path

---
 .github/workflows/ci.yaml | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 91fdf7c..0c9c058 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -42,7 +42,9 @@ jobs:
           ./admin/install_mule.sh ./_build/lib ./_build/bin
       - name: Test python-${{ matrix.python-version }}_numpy-${{ matrix.numpy-version }}
         run: |
-          cd _build/lib
-          for name in ./*; do
-            python -m unittest discover -v ${name##*/}.tests
-          done
+          # cd _build/lib
+          # for name in ./*; do
+          #   python -m unittest discover -v ${name##*/}.tests
+          # done
+          python -m unittest discover -b mule.tests
+          python -m unittest discover -b um_utils.tests

From 61aaba5adfaed65e8905a63c09bbca0a229772cb Mon Sep 17 00:00:00 2001
From: James Bruten <james.bruten@metoffice.gov.uk>
Date: Thu, 2 Oct 2025 15:54:57 +0100
Subject: [PATCH 89/89] revert tests back

---
 .github/workflows/ci.yaml | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0c9c058..91fdf7c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -42,9 +42,7 @@ jobs:
           ./admin/install_mule.sh ./_build/lib ./_build/bin
       - name: Test python-${{ matrix.python-version }}_numpy-${{ matrix.numpy-version }}
         run: |
-          # cd _build/lib
-          # for name in ./*; do
-          #   python -m unittest discover -v ${name##*/}.tests
-          # done
-          python -m unittest discover -b mule.tests
-          python -m unittest discover -b um_utils.tests
+          cd _build/lib
+          for name in ./*; do
+            python -m unittest discover -v ${name##*/}.tests
+          done