from pythonforandroid.recipe import Recipe, MesonRecipe

from pythonforandroid.logger import error

from os.path import join

import shutil

NUMPY_NDK_MESSAGE = "In order to build numpy, you must set minimum ndk api (minapi) to `24`.\n"

class NumpyRecipe(MesonRecipe):

version = 'v1.26.5'

url = 'git+https://github.com/numpy/numpy'

hostpython_prerequisites = ["Cython>=3.0.6"] # meson does not detects venv's cython

extra_build_args = ['-Csetup-args=-Dblas=none', '-Csetup-args=-Dlapack=none']

need_stl_shared = True

def get_recipe_meson_options(self, arch):

options = super().get_recipe_meson_options(arch)

# Custom python is required, so that meson

# gets libs and config files properly

options["binaries"]["python"] = self.ctx.python_recipe.python_exe

options["binaries"]["python3"] = self.ctx.python_recipe.python_exe

options["properties"]["longdouble_format"] = "IEEE_DOUBLE_LE" if arch.arch in ["armeabi-v7a", "x86"] else "IEEE_QUAD_LE"

return options

def get_recipe_env(self, arch, **kwargs):

env = super().get_recipe_env(arch, **kwargs)

# _PYTHON_HOST_PLATFORM declares that we're cross-compiling

# and avoids issues when building on macOS for Android targets.

env["_PYTHON_HOST_PLATFORM"] = arch.command_prefix

# NPY_DISABLE_SVML=1 allows numpy to build for non-AVX512 CPUs

# See: https://github.com/numpy/numpy/issues/21196

env["NPY_DISABLE_SVML"] = "1"

env["TARGET_PYTHON_EXE"] = join(Recipe.get_recipe(

"python3", self.ctx).get_build_dir(arch.arch), "android-build", "python")

return env

def download_if_necessary(self):

# NumPy requires complex math functions which were added in api 24

if self.ctx.ndk_api < 24:

error(NUMPY_NDK_MESSAGE)

exit(1)

super().download_if_necessary()

def build_arch(self, arch):

super().build_arch(arch)

self.restore_hostpython_prerequisites(["cython"])

def get_hostrecipe_env(self, arch):

env = super().get_hostrecipe_env(arch)

env['RANLIB'] = shutil.which('ranlib')

env["LDFLAGS"] += " -lm"

return env

recipe = NumpyRecipe()