From f3549999a9778bb26dbc8b403843868d34214f73 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20M=C3=BCller?= <mueller.seb@posteo.de>
Date: Sat, 6 Apr 2024 16:08:45 +0200
Subject: [PATCH] re-enable py38; np2 to build extensions for py>=3.9; check
 np2 in CI

---
 .github/workflows/main.yml | 23 +++++++++++++++--------
 pyproject.toml             | 13 ++++++-------
 2 files changed, 21 insertions(+), 15 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f3bec88e..4df0d64f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -80,30 +80,37 @@ jobs:
           path: ./dist/*.whl
 
   build_sdist:
-    name: sdist on ${{ matrix.os }} with py ${{ matrix.python-version }}
+    name: sdist on ${{ matrix.os }} with py ${{ matrix.ver.py }} and numpy ${{ matrix.ver.np }}
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
-
+        ver: [{py: '3.8', np: '1' }, {py: '3.9', np: '1'}, {py: '3.10', np: '1'}, {py: '3.11', np: '1'}, {py: '3.12', np: '1'}, {py: '3.12', np: '2'}]
     steps:
       - uses: actions/checkout@v2
         with:
           fetch-depth: '0'
 
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python ${{ matrix.ver.py }}
         uses: actions/setup-python@v2
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: ${{ matrix.ver.py }}
 
       - name: Install dependencies
-        env:
-          GSTOOLS_BUILD_PARALLEL: 1
         run: |
           python -m pip install --upgrade pip
           pip install build coveralls>=3.0.0
+
+      - name: bleeding edge
+        if: matrix.ver.np == '2'
+        run: |
+          python -m pip install "numpy>=2.0.0rc1" git+https://github.com/dfm/emcee.git
+
+      - name: Install GSTools
+        env:
+          GSTOOLS_BUILD_PARALLEL: 1
+        run: |
           pip install -v --editable .[test]
 
       - name: Run tests
@@ -119,7 +126,7 @@ jobs:
           python -m build --sdist --outdir dist .
 
       - uses: actions/upload-artifact@v2
-        if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.9'
+        if: matrix.os == 'ubuntu-latest' && matrix.ver.py == '3.9'
         with:
           path: dist/*.tar.gz
 
diff --git a/pyproject.toml b/pyproject.toml
index a99337a2..fc7f1fdb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,14 +2,15 @@
 requires = [
     "setuptools>=64",
     "setuptools_scm>=7",
-    "numpy>=2.0.0rc1",
+    "numpy>=2.0.0rc1; python_version >= '3.9'",
+    "numpy==1.19.3; python_version < '3.9'",
     "Cython>=3.0",
     "extension-helpers>=1",
 ]
 build-backend = "setuptools.build_meta"
 
 [project]
-requires-python = ">=3.9"
+requires-python = ">=3.8"
 name = "gstools"
 description = "GSTools: A geostatistical toolbox."
 authors = [
@@ -45,10 +46,10 @@ classifiers = [
     "Topic :: Utilities",
 ]
 dependencies = [
-    "emcee @ git+https://github.com/MuellerSeb/emcee.git@patch-np2",
+    "emcee>=3.0.0",
     "hankel>=1.0.0",
     "meshio>=5.1.0",
-    "numpy>=2.0.0rc1",
+    "numpy>=1.19.3",
     "pyevtk>=1.1.1",
     "scipy>=1.1.0",
 ]
@@ -160,11 +161,9 @@ target-version = [
 # Switch to using build
 build-frontend = "build"
 # Disable building PyPy wheels on all platforms, 32bit for py3.10/11/12, musllinux builds, py3.6/7
-skip = ["cp36-*", "cp37-*", "cp38-*", "pp*", "*-win32", "*-manylinux_i686", "*-musllinux_*"]
+skip = ["cp36-*", "cp37-*", "pp*", "*-win32", "*-manylinux_i686", "*-musllinux_*"]
 # Run the package tests using `pytest`
 test-extras = "test"
 test-command = "pytest -v {package}/tests"
 # Skip trying to test arm64 builds on Intel Macs
 test-skip = "*-macosx_arm64 *-macosx_universal2:arm64"
-# no wheels for linux-32bit anymore for numpy>=1.22
-environment = "PIP_PREFER_BINARY=1"