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Permit connection of a multi-position RearPort to a FrontPort

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This commit is contained in:
Jeremy Stretch 2020-05-08 11:23:36 -04:00 committed by Sander Steffann
parent 6fc7c6a7d0
commit 2fe4656db4
1 changed files with 5 additions and 4 deletions
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9
netbox/dcim/models/__init__.py
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@ -2191,17 +2191,18 @@ class Cable(ChangeLoggedModel):
f"Incompatible termination types: {self.termination_a_type} and {self.termination_b_type}" f"Incompatible termination types: {self.termination_a_type} and {self.termination_b_type}"
) )
# A RearPort with multiple positions must be connected to a RearPort with an equal number of positions # A RearPort with multiple positions must be connected to a RearPort with an equal number of positions, or a
# FrontPort
for term_a, term_b in [ for term_a, term_b in [
(self.termination_a, self.termination_b), (self.termination_a, self.termination_b),
(self.termination_b, self.termination_a) (self.termination_b, self.termination_a)
]: ]:
if isinstance(term_a, RearPort) and term_a.positions > 1: if isinstance(term_a, RearPort) and term_a.positions > 1:
if not isinstance(term_b, RearPort): if not isinstance(term_b, (FrontPort, RearPort)):
raise ValidationError( raise ValidationError(
"Rear ports with multiple positions may only be connected to other rear ports" "Rear ports with multiple positions may only be connected to other pass-through ports"
) )
elif term_a.positions != term_b.positions: if isinstance(term_b, RearPort) and term_a.positions != term_b.positions:
raise ValidationError( raise ValidationError(
f"{term_a} has {term_a.positions} position(s) but {term_b} has {term_b.positions}. " f"{term_a} has {term_a.positions} position(s) but {term_b} has {term_b.positions}. "
f"Both terminations must have the same number of positions." f"Both terminations must have the same number of positions."