CI and development environment overhaul

.gitattributes

@@ -1 +1,3 @@
 * text=auto
+# GitHub syntax highlighting
+pixi.lock linguist-language=YAML

.github/workflows/build_docs_gallery.yml

@@ -1,20 +1,20 @@
 name: Build Gallery
 
 on:
-   pull_request:
+  pull_request:
 
 jobs:
   Test-MSS-docs:
     runs-on: ubuntu-latest
-
-    container:
-      image: openmss/testing-develop
-
     steps:
     - uses: actions/checkout@v4
-
+    - uses: prefix-dev/[email protected]
+      with:
+        pixi-version: latest
+        cache: true
+        environments: dev
     - name: Create gallery
       timeout-minutes: 5
       run: |
         cd docs
-        mamba run --no-capture-output -n mssenv python conf.py
+        pixi run -e dev python conf.py

.github/workflows/lint.yml

@@ -18,30 +18,26 @@ jobs:
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3
-      uses: actions/setup-python@v5
+    - uses: prefix-dev/[email protected]
       with:
-        python-version: "3.x"
+        pixi-version: latest
+        cache: true
+        environments: dev
     - name: Lint with codespell
-      run: |
-        python -m pip install --upgrade pip
-        pip install codespell
-        git ls-files -z | xargs -0 codespell --check-filenames
+      run: git ls-files -z | xargs -0 pixi run -e dev codespell --check-filenames
 
   flake8:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.10
-      uses: actions/setup-python@v5
+    - uses: prefix-dev/[email protected]
       with:
-        python-version: "3.10"
+        pixi-version: latest
+        cache: true
+        environments: dev
     - name: Lint with flake8
-      run: |
-        python -m pip install --upgrade pip
-        pip install flake8 flake8-builtins
-        git ls-files -z '**.py' | xargs -0 flake8
+      run: git ls-files -z '**.py' | xargs -0 pixi run -e dev flake8
 
   no-crlf-in-git:
     runs-on: ubuntu-latest

.github/workflows/testing-all-oses.yml

@@ -21,27 +21,11 @@ jobs:
         os: ["macos-13", "macos-14", "ubuntu-latest"]
     steps:
     - uses: actions/checkout@v4
-    - name: Build requirements.txt file
-      run: |
-        sed -n '/^requirements:/,/^test:/p' localbuild/meta.yaml |
-          sed -e "s/.*- //" |
-          sed -e "s/menuinst.*//" |
-          sed -e "s/.*://" > requirements.tmp.txt
-        cat requirements.d/development.txt >> requirements.tmp.txt
-        echo "pytest-randomly" >> requirements.tmp.txt
-        sed -e '/^$/d' -e '/^#.*$/d' -e 's/\s*# \[not win\]$//' requirements.tmp.txt > requirements.txt
-        rm requirements.tmp.txt
-        cat requirements.txt
-    - name: Get current year and calendar week
-      id: year-and-week
-      run: echo "year-and-week=$(date +%Y-%V)" >> "$GITHUB_OUTPUT"
-    - uses: mamba-org/setup-micromamba@v2
+    - uses: prefix-dev/[email protected]
       with:
-        environment-file: requirements.txt
-        environment-name: ci
-        cache-environment: true
-        # Set the cache key in a way that the cache is invalidated every week on monday
-        cache-environment-key: environment-${{ steps.year-and-week.outputs.year-and-week }}
+        pixi-version: latest
+        cache: true
+        environments: dev
     - name: Run tests
       timeout-minutes: 40
-      run: micromamba run -n ci env QT_QPA_PLATFORM=offscreen pytest -v -n logical --durations=20 --cov=mslib tests
+      run: pixi run -e dev env QT_QPA_PLATFORM=offscreen pytest -v -n logical --durations=20 --cov=mslib tests

.github/workflows/update-pixi-lockfile.yml

@@ -0,0 +1,39 @@
+name: Update pixi lockfile
+
+on:
+  schedule:
+  # At 04:00 on Monday
+    - cron: "0 4 * * 1"
+  # ...or manually
+  workflow_dispatch:
+
+jobs:
+  pixi-update:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        base_branch: ["develop", "stable"]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ matrix.base_branch }}
+      - name: Generate new lockfile
+        uses: prefix-dev/[email protected]
+        with:
+          pixi-version: latest
+          run-install: false
+      - name: Update pixi lockfile
+        run: |
+          set -o pipefail
+          pixi update --json | pixi exec pixi-diff-to-markdown >> diff.md
+      - name: Create or update pull request
+        uses: peter-evans/create-pull-request@v7
+        with:
+          token: ${{ secrets.PAT }}
+          branch: automation/update-pixi-lockfile
+          delete-branch: true
+          add-paths: pixi.lock
+          commit-message: Update pixi lockfile
+          title: Update pixi lockfile
+          body-path: diff.md

.gitignore

@@ -15,6 +15,8 @@ docs/gallery/code
 docs/gallery/plots.html
 docs/videos/
 build/
-mss.egg-info/
+open_mss.egg-info/
 tutorials/recordings
 tutorials/cursor_image.png
+# pixi environments
+.pixi