Drop python 3.9, add python 3.13, allow numpy 2.x

.github/workflows/pythonpackage.yml

@@ -23,10 +23,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-        exclude:
-          - {os: windows-latest, python-version: "3.8"}
-          - {os: macos-latest, python-version: "3.8"}
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v2

packages/vaex-core/pyproject.toml

@@ -1,8 +1,10 @@
 [build-system]
 # Minimum requirements for the build system to execute.
 requires = [
-    "oldest-supported-numpy; python_version=='3.8'", # deprecated ref https://github.com/scipy/oldest-supported-numpy
-    "numpy~=1.25; python_version>'3.8'",  # numpy~=2.0 fails, backward compatible build-system as of v1.25 ref https://numpy.org/doc/2.1/dev/depending_on_numpy.html#build-time-dependency
+    # pythohn 3.9 supported in numpy v2.0
+    # python 3.13 supported as of numpy v2.1
+    # ref https://github.com/scipy/oldest-supported-numpy/pull/86
+    "numpy~=2.0",
     "scikit-build",
     "cmake",
     "ninja"

packages/vaex-core/setup.py

@@ -23,14 +23,12 @@
 license = "MIT"
 version = version.__version__
 url = "https://www.github.com/maartenbreddels/vaex"
-# TODO: after python2 supports frops, future and futures can also be dropped
-setup_requires = ["numpy~=1.17"]
+setup_requires = ["numpy~=2.0"] # see vaex-core pyproject.toml
 install_requires_core = [
-    "numpy~=1.17",
+    "numpy>=1.19.3,<3", # 1.19.3 is the first version with 3.9 wheels
     "aplus",
     "tabulate>=0.8.3",
     "dask!=2022.4.0,<2024.9",  # fingerprinting in no longer deterministic as of 2024.9.0
-    "future>=0.15.2",
     "pyyaml",
     "six",
     "cloudpickle",
@@ -271,13 +269,15 @@ def __str__(self):
     if not use_skbuild
     else [],
     zip_safe=False,
-    python_requires=">=3.8,<3.13",  # 3.13 needs numpy 2.1 support ref https://github.com/vaexio/vaex/pull/2434
+    # 3.9 is the oldest python version that the new numpy build system supports
+    # ref https://github.com/scipy/oldest-supported-numpy/pull/86
+    python_requires=">=3.9,<3.14",
     classifiers=[
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
     ],
     extras_require=extras_require_core,
     entry_points={