---

name: Cygwin Tests

concurrency:

group: ${{ github.workflow }}-${{ github.event.number }}-${{ github.event.ref }}

cancel-in-progress: true

on:

push:

branches:

- main

- v[0-9]+.[0-9]+.[0-9x]+

tags:

- v*

paths:

- 'src/**'

- '.github/workflows/cygwin.yml'

pull_request:

types:

- opened

- synchronize

- reopened

- labeled

branches-ignore:

- v[0-9]+.[0-9]+.[0-9x]+-doc

paths:

- 'src/**'

- '.github/workflows/cygwin.yml'

schedule:

# 5:47 UTC on Saturdays

- cron: "47 5 * * 6"

workflow_dispatch:

permissions:

contents: read

env:

NO_AT_BRIDGE: 1 # Necessary for GTK3 interactive test.

OPENBLAS_NUM_THREADS: 1

PYTHONFAULTHANDLER: 1

SHELLOPTS: igncr

CYGWIN_NOWINPATH: 1

CHERE_INVOKING: 1

TMP: /tmp

TEMP: /tmp

jobs:

test-cygwin:

runs-on: windows-latest

name: Python 3.${{ matrix.python-minor-version }} on Cygwin

if: >-

github.event_name == 'workflow_dispatch' ||

github.event_name == 'schedule' ||

(

github.repository == 'matplotlib/matplotlib' &&

!contains(github.event.head_commit.message, '[ci skip]') &&

!contains(github.event.head_commit.message, '[skip ci]') &&

!contains(github.event.head_commit.message, '[skip github]') &&

!contains(github.event.head_commit.message, '[ci doc]') &&

(

github.event_name == 'push' ||

github.event_name == 'pull_request' &&

(

(

github.event.action == 'labeled' &&

github.event.label.name == 'CI: Run cygwin'

) ||

contains(github.event.pull_request.labels.*.name, 'CI: Run cygwin')

)

)

)

strategy:

matrix:

python-minor-version: [9]

steps:

- name: Fix line endings

run: git config --global core.autocrlf input

- uses: actions/checkout@v4

with:

fetch-depth: 0

- uses: cygwin/cygwin-install-action@v4

with:

packages: >-

ccache gcc-g++ gdb git graphviz libcairo-devel libffi-devel

libgeos-devel libQt5Core-devel pkgconf libglib2.0-devel ninja

noto-cjk-fonts

python3${{ matrix.python-minor-version }}-devel

python3${{ matrix.python-minor-version }}-pip

python3${{ matrix.python-minor-version }}-wheel

python3${{ matrix.python-minor-version }}-setuptools

python3${{ matrix.python-minor-version }}-cycler

python3${{ matrix.python-minor-version }}-dateutil

python3${{ matrix.python-minor-version }}-fonttools

python3${{ matrix.python-minor-version }}-imaging

python3${{ matrix.python-minor-version }}-kiwisolver

python3${{ matrix.python-minor-version }}-numpy

python3${{ matrix.python-minor-version }}-packaging

python3${{ matrix.python-minor-version }}-pyparsing

python3${{ matrix.python-minor-version }}-sip

python3${{ matrix.python-minor-version }}-sphinx

python-cairo-devel

python3${{ matrix.python-minor-version }}-cairo

python3${{ matrix.python-minor-version }}-gi

python3${{ matrix.python-minor-version }}-matplotlib

xorg-server-extra libxcb-icccm4 libxcb-image0

libxcb-keysyms1 libxcb-randr0 libxcb-render-util0

libxcb-xinerama0

make autoconf autoconf2.5 automake automake1.10 libtool m4

libqhull-devel libfreetype-devel

libjpeg-devel libwebp-devel

- name: Set runner username to root and id to 0

shell: bash.exe -eo pipefail -o igncr "{0}"

# GitHub Actions runs everything as Administrator. I don't

# know how to test for this, so set the uid for the CI job so

# that the existing unix root detection will work.

run: /bin/mkpasswd.exe -c | sed -e "s/$(id -u)/0/" >/etc/passwd

- name: Mark test repo safe

shell: bash.exe -eo pipefail -o igncr "{0}"

run: |

git.exe config --global --add safe.directory /proc/cygdrive/d/a/matplotlib/matplotlib

git config --global --add safe.directory /cygdrive/d/a/matplotlib/matplotlib

C:/cygwin/bin/git.exe config --global --add safe.directory D:/a/matplotlib/matplotlib

/usr/bin/git config --global --add safe.directory /cygdrive/d/a/matplotlib/matplotlib

- name: Use dash for /bin/sh

shell: bash.exe -eo pipefail -o igncr "{0}"

run: |

ls -l /bin/sh.exe /bin/bash.exe /bin/dash.exe

/bin/rm -f /bin/sh.exe || exit 1

cp -sf /bin/dash.exe /bin/sh.exe || exit 1

ls -l /bin/sh.exe /bin/bash.exe /bin/dash.exe

# FreeType build fails with bash, succeeds with dash

- name: Cache pip

uses: actions/cache@v4

with:

path: C:\cygwin\home\runneradmin\.cache\pip

key: Cygwin-py3.${{ matrix.python-minor-version }}-pip-${{ hashFiles('requirements/*/*.txt') }}

restore-keys: ${{ matrix.os }}-py3.${{ matrix.python-minor-version }}-pip-

- name: Cache ccache

uses: actions/cache@v4

with:

path: C:\cygwin\home\runneradmin\.ccache

key: Cygwin-py3.${{ matrix.python-minor-version }}-ccache-${{ hashFiles('src/*') }}

restore-keys: Cygwin-py3.${{ matrix.python-minor-version }}-ccache-

- name: Cache Matplotlib

uses: actions/cache@v4

with:

path: |

C:\cygwin\home\runneradmin\.cache\matplotlib

!C:\cygwin\home\runneradmin\.cache\matplotlib\tex.cache

!C:\cygwin\home\runneradmin\.cache\matplotlib\test_cache

key: 1-Cygwin-py3.${{ matrix.python-minor-version }}-mpl-${{ github.ref }}-${{ github.sha }}

restore-keys: |

1-Cygwin-py3.${{ matrix.python-minor-version }}-mpl-${{ github.ref }}-

1-Cygwin-py3.${{ matrix.python-minor-version }}-mpl-

- name: Ensure correct Python version

shell: bash.exe -eo pipefail -o igncr "{0}"

run: |

/usr/sbin/alternatives --set python /usr/bin/python3.${{ matrix.python-minor-version }}

/usr/sbin/alternatives --set python3 /usr/bin/python3.${{ matrix.python-minor-version }}

- name: Install Python dependencies

shell: bash.exe -eo pipefail -o igncr "{0}"

run: |

python -m pip install --upgrade pip setuptools wheel

python -m pip install kiwisolver 'numpy>=1.22,<1.26' pillow importlib_resources

grep -v -F -e psutil requirements/testing/all.txt >requirements_test.txt

python -m pip install meson-python pybind11

export PATH="/usr/local/bin:$PATH"

python -m pip install --no-build-isolation 'contourpy>=1.0.1'

python -m pip install --upgrade cycler fonttools \

packaging pyparsing python-dateutil setuptools-scm \

-r requirements_test.txt sphinx ipython

python -m pip install --upgrade pycairo 'cairocffi>=0.8' PyGObject &&

python -c 'import gi; gi.require_version("Gtk", "3.0"); from gi.repository import Gtk' &&

echo 'PyGObject is available' ||

echo 'PyGObject is not available'

python -m pip install --upgrade pyqt5 &&

python -c 'import PyQt5.QtCore' &&

echo 'PyQt5 is available' ||

echo 'PyQt5 is not available'

python -mpip install --upgrade pyside2 &&

python -c 'import PySide2.QtCore' &&

echo 'PySide2 is available' ||

echo 'PySide2 is not available'

python -m pip uninstall --yes wxpython || echo 'wxPython already uninstalled'

- name: Install Matplotlib

shell: bash.exe -eo pipefail -o igncr "{0}"

env:

AUTOCONF: /usr/bin/autoconf-2.69

MAKEFLAGS: dw

run: |

export PATH="/usr/local/bin:$PATH"

ccache -s

git describe

# All dependencies must have been pre-installed, so that the minver

# constraints are held.

python -m pip install --no-deps --no-build-isolation --verbose \

--config-settings=setup-args="-DrcParams-backend=Agg" \

--editable .[dev]

- name: Find DLLs to rebase

shell: bash.exe -eo pipefail -o igncr "{0}"

run: |

find {/usr,/usr/local}/{bin,lib/python3.*/site-packages} /usr/lib/lapack . \

-name \*.exe -o -name \*.dll -print >files_to_rebase.txt

- name: Rebase DLL list

shell: ash.exe "{0}"

run: "rebase --database --filelist=files_to_rebase.txt"

# Inplace modification of DLLs to assign non-overlapping load

# addresses so fork() works as expected. Ash is used as it

# does not link against any Cygwin DLLs that might need to be

# rebased.

- name: Check that Matplotlib imports

shell: bash.exe -eo pipefail -o igncr "{0}"

run: |

/usr/bin/python -c "import matplotlib as mpl; import matplotlib.pyplot as plt"

- name: Set ffmpeg path

shell: bash.exe -eo pipefail -o igncr "{0}"

run: |

oldmplrc=$(python -c "from matplotlib import matplotlib_fname as mplrc_file; print(mplrc_file())")

echo "${oldmplrc}"

mkdir -p ~/.matplotlib/

sed -E \

-e 's~#animation\.ffmpeg_path:.+~animation.ffmpeg_path: /usr/bin/ffmpeg.exe~' \

"${oldmplrc}" >~/.matplotlib/matplotlibrc

- name: Run pytest

shell: bash.exe -eo pipefail -o igncr "{0}"

id: cygwin-run-pytest

run: |

xvfb-run pytest-3.${{ matrix.python-minor-version }} -rfEsXR -n auto \

--maxfail=50 --timeout=300 --durations=25 \

--cov-report=term --cov=lib --log-level=DEBUG --color=yes