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# utils is cimported from other subpackages so this is needed for the cimport
# to work
utils_cython_tree = [
# We add sklearn_root_cython_tree to make sure sklearn/__init__.py is copied
# early in the build
sklearn_root_cython_tree,
fs.copyfile('__init__.py'),
fs.copyfile('_cython_blas.pxd'),
fs.copyfile('_heap.pxd'),
fs.copyfile('_openmp_helpers.pxd'),
fs.copyfile('_random.pxd'),
fs.copyfile('_sorting.pxd'),
fs.copyfile('_typedefs.pxd'),
fs.copyfile('_vector_sentinel.pxd'),
]
utils_extension_metadata = {
'sparsefuncs_fast':
{'sources': [cython_gen.process('sparsefuncs_fast.pyx')]},
'_cython_blas': {'sources': [cython_gen.process('_cython_blas.pyx')]},
'arrayfuncs': {'sources': [cython_gen.process('arrayfuncs.pyx')]},
'murmurhash': {
'sources': [cython_gen.process('murmurhash.pyx'), 'src' / 'MurmurHash3.cpp'],
},
'_fast_dict':
{'sources': [cython_gen_cpp.process('_fast_dict.pyx')]},
'_openmp_helpers': {'sources': [cython_gen.process('_openmp_helpers.pyx')], 'dependencies': [openmp_dep]},
'_random': {'sources': [cython_gen.process('_random.pyx')]},
'_typedefs': {'sources': [cython_gen.process('_typedefs.pyx')]},
'_heap': {'sources': [cython_gen.process('_heap.pyx')]},
'_sorting': {'sources': [cython_gen.process('_sorting.pyx')]},
'_vector_sentinel':
{'sources': [cython_gen_cpp.process('_vector_sentinel.pyx')],
'dependencies': [np_dep]},
'_isfinite': {'sources': [cython_gen.process('_isfinite.pyx')]},
}
foreach ext_name, ext_dict : utils_extension_metadata
py.extension_module(
ext_name,
[ext_dict.get('sources'), utils_cython_tree],
dependencies: ext_dict.get('dependencies', []),
subdir: 'sklearn/utils',
install: true
)
endforeach
util_extension_names = ['_seq_dataset', '_weight_vector']
foreach name: util_extension_names
pxd = custom_target(
name + '_pxd',
output: name + '.pxd',
input: name + '.pxd.tp',
command: [tempita, '@INPUT@', '-o', '@OUTDIR@'],
)
utils_cython_tree += [pxd]
pyx = custom_target(
name + '_pyx',
output: name + '.pyx',
input: name + '.pyx.tp',
command: [tempita, '@INPUT@', '-o', '@OUTDIR@'],
# TODO in principle this should go in py.exension_module below. This is
# temporary work-around for dependency issue with .pyx.tp files. For more
# details, see https://github.com/mesonbuild/meson/issues/13212
depends: [pxd, utils_cython_tree],
)
py.extension_module(
name,
cython_gen.process(pyx),
subdir: 'sklearn/utils',
install: true
)
endforeach
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