Merge upstream/master into cylc-set

Author: MetRonnie

.github/workflows/bash.yml

@@ -51,20 +51,21 @@ jobs:
           - '4.2'
           # if you use a value like 5.0, YAML will round it to 5, which will cause an error later on
           - '5.0'
+    env:
+      IMAGE: 'ghcr.io/cylc/cylc-bash-testing-2:master'
     steps:
       - name: Checkout
         uses: actions/checkout@v5
 
       - name: Run Docker container
         run: |
-          docker pull ghcr.io/cylc/cylc-bash-testing:master
-          docker run --name bash -v $(pwd -P):/root/cylc-flow --rm -t -d -m 1G --memory-swap 1G ghcr.io/cylc/cylc-bash-testing:master /bin/bash
+          docker pull "$IMAGE"
+          docker run --name bash -v $(pwd -P):/root/cylc-flow --rm -t -d -m 1G --memory-swap 1G "$IMAGE" /bin/bash
           docker ps -a
 
       - name: Install Cylc dependencies in the container
         run: |
-          docker exec bash python3.7 -m pip install six==1.12
-          docker exec -w /root/cylc-flow bash python3.7 -m pip install .[all]
+          docker exec -w /root/cylc-flow bash python3.12 -m pip install .[all] --break-system-packages
 
       - name: Set the container bash version
         run: docker exec bash update-alternatives --set bash /bash/bash-${{ matrix.bash-version }}

.github/workflows/build.yml

@@ -33,10 +33,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest', 'macos-latest']
-        python: ['3.7', '3.8', '3.9', '3.10', '3']
-        exclude:
-          - os: 'macos-latest'
-            python: '3.7'
+        python: ['3.12', '3']
     steps:
       - name: Checkout
         uses: actions/checkout@v5

.github/workflows/test_conda-build.yml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.8', '3']
+        python-version: ['3.12', '3']
     env:
       ENV_FILE: conda-environment.yml
     steps:

.github/workflows/test_fast.yml

@@ -27,13 +27,13 @@ jobs:
       fail-fast: false # don't stop on first failure
       matrix:
         os: ['ubuntu-latest']
-        python-version: ['3.7', '3.8', '3.10', '3.11', '3.12', '3']
+        python-version: ['3.12', '3']
         include:
           - os: 'macos-latest'
-            python-version: '3.8'  # oldest version with arm64 builds
+            python-version: '3.12' # oldest version we support
           # non-utc timezone test
           - os: 'ubuntu-latest'
-            python-version: '3.9'  # not the oldest, not the most recent version
+            python-version: '3'
             time-zone: 'XXX-09:35'
     env:
       TZ: ${{ matrix.time-zone }}

.github/workflows/test_functional.yml

@@ -49,7 +49,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-22.04']
-        python-version: ['3.7']
+        python-version: ['3.12'] # oldest version we support
         test-base: ['tests/f']
         chunk: ['1/4', '2/4', '3/4', '4/4']
         platform: ['_local_background* _local_at*']
@@ -65,27 +65,27 @@ jobs:
           # tests/k
           - name: 'flaky'
             os: 'ubuntu-latest'
-            python-version: '3.7'
+            python-version: '3.12'
             test-base: 'tests/k'
             chunk: '1/1'
             platform: '_local_background* _local_at*'
           # remote platforms
           - name: '_remote_background_indep_poll'
             os: 'ubuntu-latest'
-            python-version: '3.7'
+            python-version: '3.12'
             test-base: 'tests/f tests/k'
             chunk: '1/1'
             platform: '_remote_background_indep_poll _remote_at_indep_poll'
           - name: '_remote_background_indep_tcp'
             os: 'ubuntu-latest'
             test-base: 'tests/f tests/k'
-            python-version: '3.7'
+            python-version: '3.12'
             chunk: '1/1'
             platform: '_remote_background_indep_tcp _remote_at_indep_tcp'
           # macos
           - name: 'macos 1/5'
             os: 'macos-latest'
-            python-version: '3.8'  # oldest available
+            python-version: '3.12'  # oldest version we support
             test-base: 'tests/f'
             chunk: '1/5'
             platform: '_local_background*'

.github/workflows/test_tutorial_workflow.yml

@@ -34,7 +34,7 @@ jobs:
           - os: 'ubuntu-latest'
             python-version: '3'
           - os: 'ubuntu-22.04'
-            python-version: '3.7'
+            python-version: '3.12'
     runs-on: ${{ matrix.os }}
     timeout-minutes: 10
     steps:

changes.d/6800.fix.md

@@ -0,0 +1 @@
+Fixed a bug where tasks could be erroneously reported as running on an uncontactable platform.

changes.d/6809.break.md

@@ -0,0 +1 @@
+Dropped support for Python 3.7-3.11. The minimum supported version is now 3.12.

changes.d/6848.fix.md

@@ -0,0 +1 @@
+Allow `flow.cylc[runtime][<task>]platform` setting to have a prefix/suffix around a subshell expression.

changes.d/6903.fix.md

@@ -0,0 +1 @@
+Workflows that have hit the `stop after cycle point` will no longer shut down immediately when restart according to the `restart timeout` configuration.