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feat: more granular error messages when looking for shared objects #289

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feat: more granular error messages when looking for shared objects #289

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6 changes: 4 additions & 2 deletions openslide/lowlevel.py
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Original file line number Diff line number Diff line change
Expand Up @@ -72,12 +72,14 @@ def _load_library() -> CDLL:
pass

def try_load(names: list[str]) -> CDLL:
error_strings = []
for name in names:
try:
return cdll.LoadLibrary(name)
except OSError:
except OSError as err:
error_strings.append(f"{name}: {err}")
if name == names[-1]:
raise
raise OSError("\n".join(error_strings))
else:
raise ValueError('No library names specified')

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