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MAINT: make the import-time check for old Accelerate more specific #25452

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merged 1 commit into from
Dec 22, 2023
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MAINT: make the import-time check for old Accelerate more specific #25452

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25 changes: 15 additions & 10 deletions numpy/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -388,20 +388,25 @@ def _mac_os_check():
pass

if sys.platform == "darwin":
from . import exceptions
with warnings.catch_warnings(record=True) as w:
_mac_os_check()
# Throw runtime error, if the test failed Check for warning and error_message
error_message = ""
if len(w) > 0:
error_message = "{}: {}".format(w[-1].category.__name__, str(w[-1].message))
msg = (
"Polyfit sanity test emitted a warning, most likely due "
"to using a buggy Accelerate backend."
"\nIf you compiled yourself, more information is available at:"
"\nhttps://numpy.org/doc/stable/user/building.html#accelerated-blas-lapack-libraries"
"\nOtherwise report this to the vendor "
"that provided NumPy.\n{}\n".format(error_message))
raise RuntimeError(msg)
for _wn in w:
if _wn.category is exceptions.RankWarning:
# Ignore other warnings, they may not be relevant (see gh-25433).
error_message = f"{_wn.category.__name__}: {str(_wn.message)}"
msg = (
"Polyfit sanity test emitted a warning, most likely due "
"to using a buggy Accelerate backend."
"\nIf you compiled yourself, more information is available at:"
"\nhttps://numpy.org/devdocs/building/index.html"
"\nOtherwise report this to the vendor "
"that provided NumPy.\n\n{}\n".format(error_message))
raise RuntimeError(msg)
del _wn
del w
del _mac_os_check

# We usually use madvise hugepages support, but on some old kernels it
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