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48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
from marshmallow import ValidationError, fields
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from marshmallow_sqlalchemy import fields as msfields
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from project.dateutils import berlin_tz
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class NumericStr(fields.String):
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def _serialize(self, value, attr, obj, **kwargs):
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if value is None:
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return None
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return str(value)
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def _deserialize(self, value, attr, data, **kwargs):
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try:
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return float(value)
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except ValueError as error:
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raise ValidationError("Must be a numeric value.") from error
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class CustomDateTimeField(fields.DateTime):
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def _serialize(self, value, attr, obj, **kwargs):
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if value:
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value = value.astimezone(berlin_tz)
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return super()._serialize(value, attr, obj, **kwargs)
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def deserialize(self, value, attr, data, **kwargs):
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result = super().deserialize(value, attr, data, **kwargs)
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if result and result.tzinfo is None:
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result = berlin_tz.localize(result)
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return result
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class Owned(msfields.Nested):
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def _deserialize(self, *args, **kwargs):
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if (
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not self.root.transient
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and hasattr(self.schema, "instance")
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and self.schema.instance is None
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and self.root.instance
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and hasattr(self.root.instance, self.name)
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):
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self.schema.instance = getattr(self.root.instance, self.name, None)
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return super()._deserialize(*args, **kwargs)
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