Fixes #20475: Collapse singleton VLAN IDs in VLANGroup display #20479
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jeremystretch
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arthanson
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Updates the `ranges_to_string` function to handle single-value ranges and improve string representation. Refines the formatting logic to include isolated values when the lower and upper bounds of a range are identical. Fixes netbox-community#20475
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arthanson
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Oct 7, 2025
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Fixes: #20475
Summary
Collapse singleton VLAN ID ranges when rendering/storing display strings.
Input
1-5,10,20-30remains1-5,10,20-30instead of1-5,10-10,20-30.Implementation
Update
utilities.ranges_to_string()to emit a bare integer whenstart == end.Before → After
1-5,10-10,20-30→1-5,10,20-30