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fix(utilities): Enhance ranges_to_string for improved clarity (#20479)

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Martin Hauser 2025-10-07 17:47:01 +02:00 committed by GitHub
parent d5e8480367
commit 51528ae429
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1 changed files with 12 additions and 3 deletions
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15
netbox/utilities/data.py
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@ -137,8 +137,17 @@ def check_ranges_overlap(ranges):
def ranges_to_string(ranges): def ranges_to_string(ranges):
""" """
Generate a human-friendly string from a set of ranges. Intended for use with ArrayField. For example: Converts a list of ranges into a string representation.
[[1, 100)], [200, 300)] => "1-99,200-299"
This function takes a list of range objects and produces a string
representation of those ranges. Each range is represented as a
hyphen-separated pair of lower and upper bounds, with inclusive or
exclusive bounds adjusted accordingly. If the lower and upper bounds
of a range are the same, only the single value is added to the string.
Intended for use with ArrayField.
Example:
[NumericRange(1, 5), NumericRange(8, 9), NumericRange(10, 12)] => "1-5,8,10-12"
""" """
if not ranges: if not ranges:
return '' return ''
@ -146,7 +155,7 @@ def ranges_to_string(ranges):
for r in ranges: for r in ranges:
lower = r.lower if r.lower_inc else r.lower + 1 lower = r.lower if r.lower_inc else r.lower + 1
upper = r.upper if r.upper_inc else r.upper - 1 upper = r.upper if r.upper_inc else r.upper - 1
output.append(f'{lower}-{upper}') output.append(f"{lower}-{upper}" if lower != upper else str(lower))
return ','.join(output) return ','.join(output)