| """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__) | |