From 6e34eda9afc516b18eb19bcafb8f164a19062458 Mon Sep 17 00:00:00 2001
From: afsu <suaf2020@163.com>
Date: Fri, 6 Dec 2024 02:26:20 +0000
Subject: [PATCH 1/2] build: set chinese font for matplotlib

---
 Dockerfile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index b80c1b5..b991507 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,9 @@ COPY requirements.txt .
 
 RUN python -m pip install --no-cache-dir -r requirements.txt
 RUN mplfonts init
+# set chinese font for matplotlib
+RUN MATPLOTLIBRC=$(python -c "import matplotlib; print(matplotlib.matplotlib_fname())") && \
+    sed -i 's/\s*font.family\s*:\s*sans-serif\s*/font.family: Noto Serif CJK SC, sans-serif/' $MATPLOTLIBRC
 
 USER $NB_UID
 RUN mkdir -p /home/jovyan/.ipython/profile_default/startup/

From 8f070a89048886dd0cd59c647be62f13fc21b837 Mon Sep 17 00:00:00 2001
From: afsu <suaf2020@163.com>
Date: Fri, 6 Dec 2024 02:26:29 +0000
Subject: [PATCH 2/2] chore: add font check workflow

---
 .github/workflows/font-check.yml | 58 ++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 .github/workflows/font-check.yml

diff --git a/.github/workflows/font-check.yml b/.github/workflows/font-check.yml
new file mode 100644
index 0000000..59dd288
--- /dev/null
+++ b/.github/workflows/font-check.yml
@@ -0,0 +1,58 @@
+name: Docker Image Font Check
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:  # Allows to trigger the workflow manually in GitHub UI
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-test-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: read
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5.6.1
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=sha,priority=850,prefix=
+
+      - name: Build the Docker image
+        id: build
+        run: |
+          docker build -t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} .
+
+      - name: Run font check script
+        run: |
+          echo '
+          import matplotlib
+          font_family = matplotlib.rcParams["font.family"]
+          if "Noto Serif CJK SC" in font_family:
+              print("Font is correctly set to Noto Serif CJK SC")
+              exit(0)
+          else:
+              print("Font is not correctly set")
+              exit(1)
+          ' > check_font.py
+
+          docker run --rm -v $(pwd)/check_font.py:/check_font.py ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} python /check_font.py
+
+      - name: Clean up Docker images
+        run: |
+          docker rmi ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}