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Validate against is_path_endpoint instead of specific classes, and only when positions > 1

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This commit is contained in:
Sander Steffann
2020-06-02 13:11:35 +02:00
parent 2fe4656db4
commit 2479b8a57f
1 changed files with 5 additions and 5 deletions
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10
netbox/dcim/models/__init__.py
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@ -2191,20 +2191,20 @@ class Cable(ChangeLoggedModel):
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, or a
# FrontPort
# Check that a RearPort isn't connected to something silly
for term_a, term_b in [
(self.termination_a, self.termination_b),
(self.termination_b, self.termination_a)
]:
if isinstance(term_a, RearPort) and term_a.positions > 1:
if not isinstance(term_b, (FrontPort, RearPort)):
if term_b.is_path_endpoint:
raise ValidationError(
"Rear ports with multiple positions may only be connected to other pass-through ports"
)
if isinstance(term_b, RearPort) and term_a.positions != term_b.positions:
if isinstance(term_b, RearPort) and term_b.positions > 1 and term_a.positions != term_b.positions:
raise ValidationError(
f"{term_a} has {term_a.positions} position(s) but {term_b} has {term_b.positions}. "
f"{term_a} of {term_a.device} has {term_a.positions} position(s) but "
f"{term_b} of {term_b.device} has {term_b.positions}. "
f"Both terminations must have the same number of positions."
)