pyproject.toml

[build-system]
build-backend = "mesonpy"
requires = [
    "meson-python>=0.16",
    "ninja",
    "cython",
    "numpy",
    "scipy-openblas32>=0.3.27",
]

[project]
name = "libact"
version = "0.2.0"
description = "Pool-based active learning in Python"
readme = { file = "README.md", content-type = "text/markdown" }
requires-python = ">=3.9"
license = { file = "LICENSE" }
authors = [
    { name = "Y.-Y. Yang", email = "b01902066@csie.ntu.edu.tw" },
    { name = "S.-C. Lee", email = "b01902010@csie.ntu.edu.tw" },
    { name = "Y.-A. Chung", email = "b01902040@csie.ntu.edu.tw" },
    { name = "T.-E. Wu", email = "r00942129@ntu.edu.tw" },
    { name = "H.-T. Lin", email = "htlin@csie.ntu.edu.tw" },
]
classifiers = [
    "Topic :: Scientific/Engineering",
    "Topic :: Scientific/Engineering :: Artificial Intelligence",
    "Programming Language :: Python :: 3",
    "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",
]
dependencies = [
    "numpy>=2",
    "scipy>=1.13",
    "scikit-learn>=1.6",
    "matplotlib>=3.8",
    "joblib==1.5.1",
]

[project.urls]
Homepage = "https://github.com/ntucllab/libact"
Repository = "https://github.com/ntucllab/libact"

[project.optional-dependencies]
dev = ["build>=1.2.2.post1", "meson>=1.5.0", "ninja", "cython", "numpy"]

# Build wheels

[tool.cibuildwheel]
# Build for Python 3.9-3.12 on Linux and macOS only
build = "cp39-* cp310-* cp311-* cp312-*"
# Skip musllinux (Alpine), PyPy, and Windows
skip = "*-musllinux_* pp* *-win*"
# Test the wheel after building
test-command = """python -c '
import libact
import libact.query_strategies as qs
# Verify basic modules work
assert hasattr(qs, \"UncertaintySampling\")
assert hasattr(qs, \"RandomSampling\")
print(\"✓ Basic modules imported successfully\")
# Check optional C-extensions (may not be available without BLAS/LAPACK)
has_ext = hasattr(qs, \"HintSVM\") and hasattr(qs, \"VarianceReduction\")
if has_ext:
    from libact.query_strategies import HintSVM, VarianceReduction
    print(\"✓ C-extensions (HintSVM, VarianceReduction) available\")
else:
    print(\"⚠ C-extensions not available (built without BLAS/LAPACK)\")
'"""
test-requires = ["numpy>=2", "scipy>=1.13", "scikit-learn>=1.6", "matplotlib>=3.8"]

[tool.cibuildwheel.linux]
# Architecture is set to "native" in workflow (each runner builds its own arch)
# Use manylinux_2_28 (modern standard, matches NumPy 2.x)
manylinux-x86_64-image = "manylinux_2_28"
manylinux-aarch64-image = "manylinux_2_28"
# Install OpenBLAS and create pkg-config files (manylinux_2_28 may not include them)
before-all = [
    "dnf install -y openblas-devel lapack-devel",
    """cat > /tmp/openblas.pc << 'EOF'
prefix=/usr
libdir=/usr/lib64
includedir=/usr/include/openblas

Name: OpenBLAS
Description: OpenBLAS library
Version: 0.3.0
Libs: -L${libdir} -lopenblas
Cflags: -I${includedir}
EOF""",
    """cat > /tmp/lapack.pc << 'EOF'
prefix=/usr
libdir=/usr/lib64
includedir=/usr/include

Name: LAPACK
Description: LAPACK library
Version: 3.0.0
Libs: -L${libdir} -llapack -lblas
Cflags: -I${includedir}
EOF""",
]
# Set PKG_CONFIG_PATH to include /tmp where we created .pc files
environment = { PKG_CONFIG_PATH="/tmp:/usr/lib64/pkgconfig:/usr/lib/pkgconfig" }
# Bundle OpenBLAS libraries into the wheel
repair-wheel-command = "auditwheel repair -w {dest_dir} {wheel}"

[tool.cibuildwheel.macos]
# Architecture is set to "native" in workflow (each runner builds its own arch)
# Install lapack (provides lapacke.h headers) - Accelerate framework provides the library
before-all = [
    "brew install lapack pkg-config",
]
# Bundle libraries into wheel
repair-wheel-command = "delocate-wheel --require-archs {delocate_archs} -w {dest_dir} -v {wheel}"

[tool.cibuildwheel.macos.environment]
# Point to lapack headers (lapacke.h) - Accelerate framework provides BLAS/LAPACK libraries
# Paths work for both ARM64 (/opt/homebrew) and Intel (/usr/local)
CPPFLAGS = "-I/opt/homebrew/opt/lapack/include -I/usr/local/opt/lapack/include"
LDFLAGS = "-L/opt/homebrew/opt/lapack/lib -L/usr/local/opt/lapack/lib"