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gh-91456: Fix issue affecting the use of auto() alongside aliases in Enums #91457

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Merged
ethanfurman merged 7 commits into from
Jun 23, 2022
Merged

gh-91456: Fix issue affecting the use of auto() alongside aliases in Enums #91457

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3e8480c
Fix issue affecting the use of auto() alongside aliases in Enums
oscar-LT Apr 11, 2022
61ac223
Improve Fix and add test case as requested
oscar-LT Apr 11, 2022
eec3993
Check Incrementable instead of type checking
oscar-LT Apr 14, 2022
606e29a
Update function doc_string for last_values arg
oscar-LT Apr 14, 2022
c3e91e8
Improve time complexity by using filter()
oscar-LT Apr 18, 2022
8769a2e
Forgot to specify exception type (TypeError)
oscar-LT Apr 18, 2022
d65aaf4
deprecate current behavior
ethanfurman Jun 23, 2022
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Check Incrementable instead of type checking
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@oscar-LT @ethanfurman
oscar-LT authored and ethanfurman committed Jun 22, 2022
commit eec39934068f80442fbe89e0e6ac84ebb1e03372
9 changes: 6 additions & 3 deletions Lib/enum.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1214,12 +1214,15 @@ def _generate_next_value_(name, start, count, last_values):
count: the number of existing members
last_value: the last value assigned or None
"""
numerical_last_values = [x for x in last_values if isinstance(x, int) or isinstance(x, float)]
for last_value in sorted(numerical_last_values, reverse=True):
incrementable_last_values = []
for val in last_values:
try:
return last_value + 1
incrementable_last_values.append(val + 1)
except TypeError:
pass

if incrementable_last_values:
return sorted(incrementable_last_values)[-1]
else:
return start

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