From b3954536d1891d1741bd1cf9366d9e6f359835ee Mon Sep 17 00:00:00 2001
From: Sergei Maertens <sergei@maykinmedia.nl>
Date: Thu, 11 Apr 2024 12:35:56 +0200
Subject: [PATCH 1/2] :sparkles: Use uv for python package installation

uv is much faster than pip by itself.

TODO: cache (built) wheels.
---
 action.yml | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/action.yml b/action.yml
index 171fdc1..841b4c1 100644
--- a/action.yml
+++ b/action.yml
@@ -100,11 +100,16 @@ runs:
         cache: 'pip'
         cache-dependency-path: '${{ steps.requirements_path.outputs.requirements_dir_prefix }}requirements/*.txt'
 
+    - name: Install uv (pip alternative)
+      # Docs: https://github.com/astral-sh/uv?tab=readme-ov-file#getting-started
+      run: pip install uv
+      shell: bash
+
     - name: Install backend dependencies
       run: |
-        pip install -r requirements/ci.txt \
-          --use-pep517 \
-          --use-feature=no-binary-enable-wheel-cache
+        uv pip install \
+          --system \
+          -r requirements/ci.txt
       shell: bash
       working-directory: ${{ inputs.working-directory }}
 

From e67d665515cd8e3873683d2b742b0299445d6966 Mon Sep 17 00:00:00 2001
From: Sergei Maertens <sergei@maykinmedia.nl>
Date: Thu, 11 Apr 2024 18:17:51 +0200
Subject: [PATCH 2/2] :zap: Set up cache for uv

UV has its own cache directory, where it stores built/downloaded
wheels and other resolution information.
---
 action.yml | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/action.yml b/action.yml
index 841b4c1..e7a9fea 100644
--- a/action.yml
+++ b/action.yml
@@ -95,16 +95,36 @@ runs:
       shell: bash
 
     - uses: actions/setup-python@v5
+      id: setup_python
       with:
         python-version: ${{ inputs.python-version }}
-        cache: 'pip'
-        cache-dependency-path: '${{ steps.requirements_path.outputs.requirements_dir_prefix }}requirements/*.txt'
 
     - name: Install uv (pip alternative)
+      id: setup_uv
       # Docs: https://github.com/astral-sh/uv?tab=readme-ov-file#getting-started
-      run: pip install uv
+      run: |
+        pip install uv
+        # calculate cache parameters
+
+        cache_dependency_path="${{ steps.requirements_path.outputs.requirements_dir_prefix }}requirements/*.txt"
+
+        ubuntu_version=$(lsb_release -rs)
+        restore_key="uv-${{ runner.os }}-Ubuntu-${ubuntu_version}-python-${{ steps.setup_python.outputs.python-version }}"
+
+        echo "uv_cache_dir=$(uv cache dir)" >> "$GITHUB_OUTPUT"
+        echo "cache_dependency_path=${cache_dependency_path}" >> "$GITHUB_OUTPUT"
+        echo "cache_restore_key=${restore_key}" >> "$GITHUB_OUTPUT"
       shell: bash
 
+    - name: (Restore) uv cache
+      uses:  actions/cache@v4
+      with:
+        path: ${{ steps.setup_uv.outputs.uv_cache_dir }}
+        key: ${{ steps.setup_uv.outputs.cache_restore_key }}-${{ hashFiles(steps.setup_uv.outputs.cache_dependency_path) }}
+        restore-keys: |
+          ${{ steps.setup_uv.outputs.cache_restore_key }}-
+        save-always: 'true'
+
     - name: Install backend dependencies
       run: |
         uv pip install \