add matrix to test both pandas 1 and 2

Author: emilykl

.github/workflows/run-pytest.yml

@@ -54,7 +54,7 @@ jobs:
         run: |
           uv venv
           source .venv/bin/activate
-          uv sync --extra dev_optional
+          uv sync --extra dev_optional --extra dev_pandas3
           python --version
       - name: Test core
         run: |
@@ -82,14 +82,22 @@ jobs:
           python -m pytest -x test_init/test_lazy_imports.py
 
   test-optional-legacy-pandas:
-    name: Optional tests, Pandas 1 (Python 3.9, Pandas 1.2.4)
+    name: Optional tests (Python ${{ matrix.python-version }}, pandas ${{ matrix.pandas-version }})
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - python-version: "3.9"
+            pandas-version: "1"
+          - python-version: "3.11"
+            pandas-version: "2"
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Set up Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405  # v6.2.0
         with:
-          python-version: "3.9"
+          python-version: ${{ matrix.python-version }}
       - name: Set up Chrome for browser tests
         uses: ./.github/actions/setup-chrome-for-pytest
       - name: Set up uv
@@ -98,8 +106,7 @@ jobs:
         run: |
           uv venv
           source .venv/bin/activate
-          uv sync --extra dev_optional
-          uv pip install pandas==1.2.4 numpy==1.26.4
+          uv sync --extra dev_optional --extra dev_pandas${{ matrix.pandas-version }}
       - name: Test core
         run: |
           source .venv/bin/activate
@@ -126,7 +133,7 @@ jobs:
           python -m pytest -x test_init/test_lazy_imports.py
 
   test-kaleido-v0:
-    name: Optional tests (Kaleido only), Kaleido v0 (Python 3.12, Kaleido v0.2.1)
+    name: Optional tests (Kaleido only), Kaleido v0 (Python 3.12, kaleido==0.2.1)
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2

pyproject.toml

@@ -83,8 +83,26 @@ dev = [
     "plotly[dev_optional]"
 ]
 
+# The following extras are intended for use in CI only
+dev_pandas1 = [
+    "pandas>=1,<2",
+    "numpy>=1,<2",
+    "setuptools<82"
+]
+dev_pandas2 = [
+    "pandas>=2,<3",
+]
+dev_pandas3 = [
+    "pandas>=3;python_version>='3.11'",
+]
+
 [tool.uv]
 exclude-newer = "72 hours"
+conflicts = [
+    [{ extra = "dev_pandas1" }, { extra = "dev_pandas2" }],
+    [{ extra = "dev_pandas1" }, { extra = "dev_pandas3" }],
+    [{ extra = "dev_pandas2" }, { extra = "dev_pandas3" }],
+]
 
 [project.scripts]
 plotly_get_chrome = "plotly.io._kaleido:plotly_get_chrome"