build script tweaks

Author: letmaik

.github/scripts/build-linux.sh

@@ -10,20 +10,12 @@ CHECK_SHA256=.github/scripts/check_sha256.sh
 # List python versions
 ls /opt/python
 
-if [ $PYTHON_VERSION == "3.9" ]; then
-    PYBIN="/opt/python/cp39-cp39/bin"
-elif [ $PYTHON_VERSION == "3.10" ]; then
-    PYBIN="/opt/python/cp310-cp310/bin"
-elif [ $PYTHON_VERSION == "3.11" ]; then
-    PYBIN="/opt/python/cp311-cp311/bin"
-elif [ $PYTHON_VERSION == "3.12" ]; then
-    PYBIN="/opt/python/cp312-cp312/bin"
-elif [ $PYTHON_VERSION == "3.13" ]; then
-    PYBIN="/opt/python/cp313-cp313/bin"
-elif [ $PYTHON_VERSION == "3.14" ]; then
-    PYBIN="/opt/python/cp314-cp314/bin"
-else
-    echo "Unsupported Python version $PYTHON_VERSION"
+# Compute PYBIN from PYTHON_VERSION (e.g., "3.14" -> "cp314-cp314")
+PYVER_NO_DOT=${PYTHON_VERSION//./}
+PYBIN="/opt/python/cp${PYVER_NO_DOT}-cp${PYVER_NO_DOT}/bin"
+
+if [ ! -d "$PYBIN" ]; then
+    echo "Python version $PYTHON_VERSION not found at $PYBIN"
     exit 1
 fi
 
@@ -92,6 +84,10 @@ retry yum install -y libpng-devel freetype-devel
 # Install numpy/scipy deps
 retry yum install -y lapack-devel blas-devel
 
+# Upgrade pip and prefer binary packages
+${PYBIN}/python -m pip install --upgrade pip
+export PIP_PREFER_BINARY=1
+
 # install compile-time dependencies
 retry ${PYBIN}/pip install numpy==${NUMPY_VERSION} cython setuptools
 

.github/scripts/build-macos.sh

@@ -30,6 +30,10 @@ source venv/bin/activate
 set -x
 popd
 
+# Upgrade pip and prefer binary packages
+python -m pip install --upgrade pip
+export PIP_PREFER_BINARY=1
+
 # Install dependencies
 pip install numpy==$NUMPY_VERSION cython wheel delocate setuptools
 

.github/scripts/build-windows.ps1

@@ -120,6 +120,9 @@ if (!$env:NUMPY_VERSION) {
 Initialize-VS
 Initialize-Python
 
+# Prefer binary packages over building from source
+$env:PIP_PREFER_BINARY = 1
+
 Get-ChildItem env:
 
 # Install vcpkg and build dependencies

.github/scripts/test-linux.sh

@@ -6,20 +6,12 @@ cd /io
 # List python versions
 ls /opt/python
 
-if [ $PYTHON_VERSION == "3.9" ]; then
-    PYBIN="/opt/python/cp39-cp39/bin"
-elif [ $PYTHON_VERSION == "3.10" ]; then
-    PYBIN="/opt/python/cp310-cp310/bin"
-elif [ $PYTHON_VERSION == "3.11" ]; then
-    PYBIN="/opt/python/cp311-cp311/bin"
-elif [ $PYTHON_VERSION == "3.12" ]; then
-    PYBIN="/opt/python/cp312-cp312/bin"
-elif [ $PYTHON_VERSION == "3.13" ]; then
-    PYBIN="/opt/python/cp313-cp313/bin"
-elif [ $PYTHON_VERSION == "3.14" ]; then
-    PYBIN="/opt/python/cp314-cp314/bin"
-else
-    echo "Unsupported Python version $PYTHON_VERSION"
+# Compute PYBIN from PYTHON_VERSION (e.g., "3.14" -> "cp314-cp314")
+PYVER_NO_DOT=${PYTHON_VERSION//./}
+PYBIN="/opt/python/cp${PYVER_NO_DOT}-cp${PYVER_NO_DOT}/bin"
+
+if [ ! -d "$PYBIN" ]; then
+    echo "Python version $PYTHON_VERSION not found at $PYBIN"
     exit 1
 fi
 PYVER=${PYTHON_VERSION//.}