setup env with pixi

.github/actions/initialize_conda_env/action.yaml

@@ -12,43 +12,10 @@ runs:
   steps:
     # cache ref https://github.com/conda-incubator/setup-miniconda#caching-packages
 
-    - name: Setup conda-forge
-      uses: conda-incubator/setup-miniconda@v3
+    - name: Setup conda env
+      uses: prefix-dev/setup-pixi@v0.8.10
       with:
-          miniforge-version: latest
-          activate-environment: sscp-env
-          python-version: ${{ inputs.python-version }}
-          use-mamba: true
-          # uncomment to install env in one go (without caching)
-          # environment-file: environment.yml
-
-    - name: Get Date
-      id: get-date
-      run: echo "today=$(/bin/date -u '+%Y%m%d')" >> "$GITHUB_OUTPUT"
-      shell: bash
-
-    - name: Cache conda env
-      uses: actions/cache@v3
-      id: cache-env
-      with:
-        path: ${{ env.CONDA }}/envs/sscp-env
-        key:
-          conda-env-${{ steps.get-date.outputs.today }}-${{ inputs.python-version }}-${{ hashFiles('environment.yml') }}-${{ hashFiles('.github/actions/install-dependencies/**') }}
-
-    - name: Clear package cache
-      # package cache seems to be stale
-      run:
-          mamba clean -y --index-cache
-
-      shell: bash -el {0}
-    - name: Update environment
-      if: steps.cache-env.outputs.cache-hit != 'true'
-      run:
-          mamba env update -n sscp-env -f environment.yml
-      shell: bash -el {0}
-
-    - name: List environment
-      run:
-          mamba list -n sscp-env
-      shell: bash -el {0}
+        pixi-version: v0.44.0
+        # building cache is slower than not caching
+        cache: false
 

.github/workflows/build_docs.yml

@@ -30,11 +30,11 @@ jobs:
         uses: actions/cache@v4
         with:
           path: _build/.jupyter_cache
-          key: jupyter-cache-${{ hashFiles('environment.yml') }}
+          key: jupyter-cache-${{ hashFiles('pixi.lock') }}
 
       - name: Run the lecture notes and build webpage
         run:
-          jupyter-book build . -W
+          pixi run jupyter-book build . -W
 
       - uses: actions/upload-artifact@v4
         # always upload artifact, which can include error messages

_config.yml

@@ -9,12 +9,14 @@ logo: logo.png
 
 # See https://jupyterbook.org/content/execute.html
 execute:
+  exclude_patterns:
+    - .pixi/*
   execute_notebooks: cache
   timeout: 1800
 
 # Information about where the book exists on the web
 repository:
-  url: https://github.com/Simula-SSCP/SSCP_2023_lectures  # Online location of your book
+  url: https://github.com/Simula-SSCP/SSCP_lectures  # Online location of your book
   path_to_book: .  # Optional path to your book, relative to the repository root
   branch: main # Which branch of the repository should be used when creating links (optional)
 
@@ -50,5 +52,7 @@ sphinx:
     html_last_updated_fmt: "%b %d, %Y"
     suppress_warnings: ["mystnb.unknown_mime_type"]
 
-exclude_patterns: [README.md]
+exclude_patterns:
+  - README.md
+  - .pixi/*
 only_build_toc_files: true