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from django.db import models
class PositiveBigIntegerField(models.BigIntegerField):
_south_introspects = True
def get_internal_type(self):
return "BigIntegerField"
def formfield(self, **kwargs):
defaults = { 'min_value': 0 }
defaults.update(kwargs)
return super(PositiveBigIntegerField, self).formfield(**defaults)
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