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a65c2f8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | """Compatibility helpers for dependencies."""
from packaging.version import parse
import numpy as np
import scipy as sp
__all__ = [
"NP_COPY_IF_NEEDED",
"SCIPY_CG_TOL_PARAM_NAME",
]
NUMPY_LT_2_0_0 = parse(np.__version__) < parse('2.0.0.dev0')
# With NumPy 2.0.0, `copy=False` now raises a ValueError if the copy cannot be
# made. The previous behavior to only copy if needed is provided with `copy=None`.
# During the transition period, use this symbol instead.
# Remove once NumPy 2.0.0 is the minimal required version.
# https://numpy.org/devdocs/release/2.0.0-notes.html#new-copy-keyword-meaning-for-array-and-asarray-constructors
# https://github.com/numpy/numpy/pull/25168
NP_COPY_IF_NEEDED = False if NUMPY_LT_2_0_0 else None
SCIPY_LT_1_12 = parse(sp.__version__) < parse('1.12')
# Starting in SciPy v1.12, 'scipy.sparse.linalg.cg' keyword argument `tol` is
# deprecated in favor of `rtol`.
SCIPY_CG_TOL_PARAM_NAME = "tol" if SCIPY_LT_1_12 else "rtol"
SCIPY_GE_1_17_0_DEV0 = parse('1.17.0.dev0') <= parse(sp.__version__)
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