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Fix error in BomItem creation

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Oliver Walters 2019-05-25 21:57:59 +10:00
parent 970257d423
commit ecfde46838
1 changed files with 13 additions and 7 deletions
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20
InvenTree/part/models.py
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@ -858,13 +858,19 @@ class BomItem(models.Model):
"""
# A part cannot refer to itself in its BOM
if self.part == self.sub_part:
raise ValidationError({'sub_part': _('Part cannot be added to its own Bill of Materials')})
# Test for simple recursion
for item in self.sub_part.bom_items.all():
if self.part == item.sub_part:
raise ValidationError({'sub_part': _("Part '{p1}' is used in BOM for '{p2}' (recursive)".format(p1=str(self.part), p2=str(self.sub_part)))})
try:
if self.sub_part is not None and self.part is not None:
if self.part == self.sub_part:
raise ValidationError({'sub_part': _('Part cannot be added to its own Bill of Materials')})
# Test for simple recursion
for item in self.sub_part.bom_items.all():
if self.part == item.sub_part:
raise ValidationError({'sub_part': _("Part '{p1}' is used in BOM for '{p2}' (recursive)".format(p1=str(self.part), p2=str(self.sub_part)))})
except Part.DoesNotExist:
# A blank Part will be caught elsewhere
pass
class Meta:
verbose_name = "BOM Item"