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25 lines
716 B
Python
25 lines
716 B
Python
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from django import forms
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from django.contrib.postgres.forms import SimpleArrayField
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from ..utils import parse_numeric_range
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__all__ = (
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'NumericArrayField',
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)
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class NumericArrayField(SimpleArrayField):
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def clean(self, value):
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if value and not self.to_python(value):
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raise forms.ValidationError(f'Invalid list ({value}). '
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f'Must be numeric and ranges must be in ascending order')
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return super().clean(value)
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def to_python(self, value):
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if not value:
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return []
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if isinstance(value, str):
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value = ','.join([str(n) for n in parse_numeric_range(value)])
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return super().to_python(value)
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