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Consistent datetime parsing across all py-versions #372

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Merged
merged 1 commit into from
Feb 24, 2025
Merged

Consistent datetime parsing across all py-versions #372

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5 changes: 4 additions & 1 deletion linkml_runtime/utils/metamodelcore.py
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Original file line number Diff line number Diff line change
Expand Up @@ -301,8 +301,11 @@ def __new__(cls, value: Union[str, datetime.datetime, Literal]) -> str:
else:
if "T" in str(value):
value = isodate.parse_datetime(value)
else:
elif " " in value.strip():
value = isodate.parse_datetime("T".join(value.strip().split(' ', 1)))
else:
# As datetime.fromisoformat allows dates to be parsed as datetime we do the same.
value = isodate.parse_datetime(f"{value.strip()}T00:00:00")
return value.isoformat()
except (TypeError, ValueError) as e:
if is_strict():
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2 changes: 2 additions & 0 deletions tests/test_utils/test_metamodelcore.py
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Expand Up @@ -193,8 +193,10 @@ def test_datetime(self):
self.assertEqual('2019-07-06 17:22:39.007300', vstr) # Note that this has no 'T'
self.assertEqual('2019-07-06T17:22:39.007300', XSDDateTime(vstr))
self.assertEqual('2019-07-06T17:22:39+00:00', XSDDateTime("2019-07-06T17:22:39Z"))
self.assertEqual('2019-07-06T00:00:00', XSDDateTime("2019-07-06")) # Date as datetime
with self.assertRaises(ValueError):
XSDDateTime('Jan 12, 2019')

lax()
self.assertEqual('penguins', XSDDateTime('penguins'))
XSDDateTime(datetime.datetime.now())
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