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Creating clearer KeyError messages. #18

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Creating clearer KeyError messages. #18

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944012f
Moved everything to be properties of _private fields.
MicahGale Oct 11, 2024
5c9e642
Attempted to make a dict wrapper that makes keyerror clearer.
MicahGale Oct 11, 2024
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Attempted to make a dict wrapper that makes keyerror clearer.
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@MicahGale
MicahGale committed Oct 11, 2024
commit 5c9e642ed6517d4b850acf5cb3a7c376abf38814
15 changes: 15 additions & 0 deletions src/endf/material.py
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,21 @@
20040: 'Incident-alpha data'
}

class _DictWrapper(dict):

def __getitem__(self, key):
try:
super().__getitem__(key)
except KeyError as e:
if isinstance(key, tuple) and len(key) == 2:
key_text =f"MF={key[0]}, MT={key[1]}"
else:
key_text = str(key)
raise KeyError(f"The requested data: {key_text} are not present in this file.")

#try to make immutable
__setitem__ = None



class Material:
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