fix: wheel for windows

.github/workflows/wheel.yml

@@ -0,0 +1,84 @@
+name: Wheel builder
+
+on:
+  pull_request:
+  push:
+  workflow_dispatch:
+
+jobs:
+  build_wheels:
+
+    defaults:
+        run:
+          shell: bash -l {0}
+
+    name: Build wheel ${{ matrix.python[0] }}-${{ matrix.buildplat[0] }}
+    runs-on: ${{ matrix.buildplat[0] }}
+    strategy:
+      fail-fast: false
+      matrix:
+        buildplat:
+          - [ubuntu-latest, manylinux_x86_64]
+          - [macos-13, macosx_x86_64]
+          - [macos-14, macosx_arm64]
+          - [windows-latest, win_amd64]
+        python:
+          - ["3.11", "cp311"]
+          - ["3.12", "cp312"]
+
+    steps:
+      - name: Check out #${{ inputs.project }}
+        uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python[0] }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python[0] }}
+
+      - name: Build wheels for Linux
+        if: runner.os == 'Linux'
+        uses: pypa/[email protected]
+        env:
+          CIBW_BUILD: ${{ matrix.python[1] }}-${{ matrix.buildplat[1] }}
+          CIBW_BEFORE_BUILD: yum install -y gsl-devel && pip install -e .
+        with:
+          output-dir: wheelhouse
+
+      - name: Build wheels for macOS
+        if: runner.os == 'macOS'
+        uses: pypa/[email protected]
+        env:
+          CIBW_BUILD: ${{ matrix.python[1] }}-${{ matrix.buildplat[1] }}
+          MACOSX_DEPLOYMENT_TARGET: 13.0
+          CIBW_BEFORE_BUILD: brew install gsl && pip install -e .
+        with:
+          output-dir: wheelhouse
+
+      - name: Set up conda for Windows
+        if: runner.os == 'Windows'
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          activate-environment: gsl
+          auto-update-conda: true
+          environment-file: environment.yml
+          auto-activate-base: false
+
+      - name: install gsl for Windows
+        if: runner.os == 'Windows'
+        run: |
+          conda config --set always_yes yes --set changeps1 no
+          conda install gsl
+
+      - name: Build wheels for Windows
+        if: runner.os == 'Windows'
+        uses: pypa/[email protected]
+        env:
+          CIBW_BUILD: ${{ matrix.python[1] }}-${{ matrix.buildplat[1] }}
+          CONDA_PREFIX: ${{ env.CONDA_PREFIX }}
+        with:
+          output-dir: wheelhouse
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.python[0] }}-${{ matrix.buildplat[0] }}
+          path: ./wheelhouse/*.whl

setup.py

@@ -11,10 +11,12 @@
 import glob
 import os
 import re
+import shutil
 import sys
 import warnings
 
 from setuptools import Extension, setup
+from setuptools.command.build_ext import build_ext
 
 # Use this version when git data are not available, like in git zip archive.
 # Update when tagging a new release.
@@ -83,6 +85,19 @@ def get_gsl_config_win():
     return {"include_dirs": [inc], "library_dirs": [lib]}
 
 
+class CustomBuildExt(build_ext):
+    def run(self):
+        super().run()
+        gsl_path = os.environ.get("GSL_PATH") or os.path.join(os.environ.get("CONDA_PREFIX", ""), "Library")
+
+        bin_path = os.path.join(gsl_path, "bin")
+        dest_path = os.path.join(self.build_lib, "diffpy", "pdffit2")
+        os.makedirs(dest_path, exist_ok=True)
+
+        for dll_file in glob.glob(os.path.join(bin_path, "gsl*.dll")):
+            shutil.copy(dll_file, dest_path)
+
+
 # ----------------------------------------------------------------------------
 
 # compile and link options
@@ -134,6 +149,7 @@ def create_extensions():
 
 setup_args = dict(
     ext_modules=[],
+    cmdclass={"build_ext": CustomBuildExt},
 )
 
 if __name__ == "__main__":