inventree/InvenTree
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Prevent recursive BOMs

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- If A has B in its BOM, A cannot be added to the BOM of B
This commit is contained in:
Oliver
2018-04-27 23:42:23 +10:00
parent 06f9c67b11
commit f49474ace5
3 changed files with 16 additions and 2 deletions
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4
InvenTree/part/models.py
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@ -353,9 +353,13 @@ class BomItem(models.Model):
def clean(self):
# A part cannot refer to itself in its BOM
if self.part == self.sub_part:
raise ValidationError(_('A part cannot contain itself as a BOM item'))
for item in self.sub_part.bom_items.all():
if self.part == item.sub_part:
raise ValidationError(_("Part '{p1}' is used in BOM for '{p2}' (recursive)".format(p1=str(self.part), p2=str(self.sub_part))))
class Meta:
verbose_name = "BOM Item"