From b73cd255c0185edd87d95cf9d34df9a26bbb80d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Robert?= <cr52@protonmail.com>
Date: Wed, 23 Jun 2021 20:11:16 +0200
Subject: [PATCH] CI: add a scheduled CI job with bleeding edge versions of
 Python, matplotlib and numpy

---
 .github/workflows/bleeding-edge.yaml     | 54 ++++++++++++++++++++++++
 .github/workflows/build-test-pytest.yaml |  9 +++-
 .github/workflows/build-test.yaml        |  9 +++-
 README.md                                |  1 +
 tests/windows_conda_requirements.txt     |  2 +-
 5 files changed, 72 insertions(+), 3 deletions(-)
 create mode 100644 .github/workflows/bleeding-edge.yaml

diff --git a/.github/workflows/bleeding-edge.yaml b/.github/workflows/bleeding-edge.yaml
new file mode 100644
index 00000000000..dae94349cd8
--- /dev/null
+++ b/.github/workflows/bleeding-edge.yaml
@@ -0,0 +1,54 @@
+name: CI (bleeding edge)
+# this workflow is heavily inspired from pandas, see
+# https://github.com/pandas-dev/pandas/blob/master/.github/workflows/python-dev.yml
+
+# goals: check stability against
+# - dev version of Python, numpy, and matplotlib
+# - building with future pip default options
+
+on:
+  push:
+    branches:
+      - main
+  schedule:
+    # run this every day at 3 am UTC
+    - cron: '0 3 * * *'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Python3.10-dev
+    timeout-minutes: 60
+
+    concurrency:
+      group: ${{ github.ref }}-dev
+      cancel-in-progress: true
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+
+    - name: Set up Python Dev Version
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.10-dev'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install --upgrade setuptools wheel
+        python -m pip install git+https://github.com/numpy/numpy.git
+        python -m pip install git+https://github.com/matplotlib/matplotlib.git
+        python -m pip install cython
+
+    - name: Build yt
+      # --no-build-isolation is used to guarantee that build time dependencies
+      # are not installed by pip as specified from pyproject.toml, hence we get
+      # to use the dev version of numpy at build time.
+      run: |
+        python setup.py build_ext -q -j2
+        python -m pip install -e .[test] --no-build-isolation
+
+    - name: Run Tests
+      run: pytest -vvv
diff --git a/.github/workflows/build-test-pytest.yaml b/.github/workflows/build-test-pytest.yaml
index 9010f3d1a4b..aec0faf5cea 100644
--- a/.github/workflows/build-test-pytest.yaml
+++ b/.github/workflows/build-test-pytest.yaml
@@ -1,6 +1,13 @@
 name: Build and Test
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    paths-ignore:
+      - "doc/**"
+      - README.md
 
 defaults:
   run:
diff --git a/.github/workflows/build-test.yaml b/.github/workflows/build-test.yaml
index 78dec91aab3..1df27b9795e 100644
--- a/.github/workflows/build-test.yaml
+++ b/.github/workflows/build-test.yaml
@@ -1,6 +1,13 @@
 name: Build and Test
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    paths-ignore:
+      - "doc/**"
+      - README.md
 
 defaults:
   run:
diff --git a/README.md b/README.md
index a2c26e2a452..4c3a4efd182 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@
 
 <!--- Tests and style --->
 ![Build and Test](https://github.com/yt-project/yt/workflows/Build%20and%20Test/badge.svg?branch=main)
+[![CI (bleeding edge)](https://github.com/yt-project/yt/actions/workflows/bleeding-edge.yaml/badge.svg)](https://github.com/yt-project/yt/actions/workflows/bleeding-edge.yaml)
 [![pre-commit.ci status](https://results.pre-commit.ci/badge/github/yt-project/yt/main.svg)](https://results.pre-commit.ci/latest/github/yt-project/yt/main)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 [![Imports: isort](https://img.shields.io/badge/%20imports-isort-%231674b1?style=flat&labelColor=ef8336)](https://pycqa.github.io/isort/)
diff --git a/tests/windows_conda_requirements.txt b/tests/windows_conda_requirements.txt
index ed170b804ce..ac2465128d2 100644
--- a/tests/windows_conda_requirements.txt
+++ b/tests/windows_conda_requirements.txt
@@ -2,5 +2,5 @@ numpy>=1.19.4
 cython>=0.29.21,<3.0
 cartopy~=0.18.0
 h5py~=3.1.0
-matplotlib<3.6
+matplotlib>=2.0.2,<3.6
 scipy~=1.5.0