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Utility to check for required imports and raise importerror #411

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Utility to check for required imports and raise importerror#411
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hygieneImprove code quality and reduce maintenance overhead
@SultanOrazbayev

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@SultanOrazbayev
SultanOrazbayev
opened on Mar 21, 2023

Based on this comment #391 (comment)

There is a repeated pattern of checking for function-specific imports and providing a helpful error message on failure to import, e.g.:

python-graphblas/graphblas/io.py

Lines 246 to 254 in 7bf394d

try:
import sparse
except ImportError: # pragma: no cover (import)
raise ImportError("sparse is required to import from pydata sparse") from None
if not isinstance(s, sparse.SparseArray):
raise TypeError(
"from_pydata_sparse only accepts objects from the `sparse` library; "
"see https://sparse.pydata.org"
)

This issue is to study the feasibility and value-added of extracting this logic into a separate utility function.

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