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Add info to ValueErrors for np.frombuffer #244

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Mar 15, 2020
Merged

Add info to ValueErrors for np.frombuffer #244

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7 changes: 5 additions & 2 deletions strax/io.py
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Original file line number Diff line number Diff line change
Expand Up @@ -52,8 +52,11 @@ def _load_file(f, compressor, dtype):
return np.zeros(0, dtype=dtype)

data = COMPRESSORS[compressor]['decompress'](data)
return np.frombuffer(data, dtype=dtype)

try:
return np.frombuffer(data, dtype=dtype)
except ValueError as e:
raise ValueError(f"ValueError while loading data with dtype =\n\t{dtype}") from e

except Exception:
raise strax.DataCorrupted(
f"Fatal Error while reading file {f}: "
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