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# Maintainer: Lumaku <lumaku@mailbox.org>
pkgname=python-k2-git
pkgver=1.17
pkgrel=1
pkgdesc='FSA/FST algorithms, differentiable, with PyTorch compatibility'
arch=('any')
url='https://github.com/k2-fsa/k2'
license=('Apache 2.0')
depends=('python>=3.7' 'python-pytorch' 'python-graphviz' 'cuda')
optdepends=('hip: build with HIP')
makedepends=('git' 'python-setuptools' 'cmake' 'chrpath')
provides=('python-k2')
conflicts=("python-k2")
source=(
"${pkgname}::git+${url}")
md5sums=(
'SKIP')
pkgver() {
cd "${pkgname}"
# To obtain a version number compatible with PEP 440, the K2_IS_STABLE needs to be set
export K2_IS_STABLE=1
printf "%s" "$(python setup.py --version)"
}
build() {
cd "${pkgname}"
# For a CPU-only installation of k2, use:
# export K2_CMAKE_ARGS="-DK2_WITH_CUDA=OFF -DCMAKE_BUILD_TYPE=Release"
# For another compiler, use
# export LANG=C
# export CXX=clang++
# export K2_MAKE_ARGS="CXX=clang++"
python setup.py build
}
package() {
cd "${pkgname}"
export PYTHONHASHSEED=0
python setup.py install --root="$pkgdir" --optimize=1 --skip-build
}
check(){
cd "${pkgname}"
# k2 requires the compiled binaries; therefore any check() would only work after package()
# python -c "import k2; s = '0 1 10 0.1\n0 2 20 0.2\n\n 1 2 30 0.3\n 1 3 -1 0.4\n 2 3 -1 0.5\n 3\n'; fsa = k2.Fsa.from_str(s)"
}
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