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⚡️ Speed up function convert_date_to_datetime by 52% #157

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⚡️ Speed up function convert_date_to_datetime by 52% #157

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9 changes: 6 additions & 3 deletions src/bokeh/util/serialization.py
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Original file line number Diff line number Diff line change
Expand Up @@ -135,16 +135,19 @@ def is_timedelta_type(obj: Any) -> TypeGuard[dt.timedelta | np.timedelta64]:
return isinstance(obj, (dt.timedelta, np.timedelta64))

def convert_date_to_datetime(obj: dt.date) -> float:
''' Convert a date object to a datetime
""" Convert a date object to a datetime


Args:
obj (date) : the object to convert

Returns:
datetime

'''
return (dt.datetime(*obj.timetuple()[:6], tzinfo=dt.timezone.utc) - DT_EPOCH).total_seconds() * 1000
"""
# Directly use the date's year, month, and day values, avoiding timetuple()
# this is both faster and avoids unnecessary tuple construction.
return (dt.datetime(obj.year, obj.month, obj.day, tzinfo=dt.timezone.utc) - DT_EPOCH).total_seconds() * 1000

def convert_timedelta_type(obj: dt.timedelta | np.timedelta64) -> float:
''' Convert any recognized timedelta value to floating point absolute
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