20 lines
587 B
Python
20 lines
587 B
Python
from django.db import models
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from django.utils.translation import ugettext_lazy as _
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class EventSpecificMixin(models.Model):
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"""Mixin allowing for event-specific models instances
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or not (depending on whether the event field is null)"""
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event = models.ForeignKey(
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'event.Event',
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verbose_name=_("évènement"),
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help_text=_("Si spécifié, l'instance du modèle"
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"est spécifique à l'évènement en question"),
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on_delete=models.CASCADE,
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blank=True,
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null=True
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)
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class Meta:
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abstract = True
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