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INTPYTHON-617 - Improve DictField to_python performance #2888

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INTPYTHON-617 - Improve DictField to_python performance #2888

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2931801
WIP
NoahStapp Jun 23, 2025
d4619bd
INTPYTHON-617 - Improve DictField to_python performance
NoahStapp Jun 24, 2025
40aa9a5
Cleanup
NoahStapp Jun 24, 2025
e377528
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NoahStapp Aug 19, 2025
2586d45
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NoahStapp Aug 19, 2025
6cf60d2
to_python should return falsy values
NoahStapp Sep 24, 2025
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8 changes: 8 additions & 0 deletions mongoengine/fields.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1088,6 +1088,14 @@ def prepare_query_value(self, op, value):

return super().prepare_query_value(op, value)

def to_python(self, value):
if value is None:
return None
to_python = getattr(self.field, "to_python", None)
if not to_python or not value:
return value
return {k: to_python(v) for k, v in value.items()}


class MapField(DictField):
"""A field that maps a name to a specified field type. Similar to
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