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Fix OverflowError in naturaltime/precisedelta for far-future dates #479

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Merged
hugovk merged 4 commits into from
Nov 12, 2026
Merged

Fix OverflowError in naturaltime/precisedelta for far-future dates #479

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d5e7688
Fix OverflowError for far-future dates
tamsk-91 Oct 25, 2026
fa93ca5
Add regression tests for far-future overflow
tamsk-91 Oct 25, 2026
ee0df74
Restore time.py filename
tamsk-91 Oct 25, 2026
df8ec3f
Remove verbose LLM comments
hugovk Nov 12, 2026
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5 changes: 1 addition & 4 deletions src/humanize/time.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,10 +61,7 @@ def _abs_timedelta(delta: dt.timedelta) -> dt.timedelta:
Returns:
datetime.timedelta: Absolute timedelta.
"""
if delta.days < 0:
now = _now()
return now - (now + delta)
return delta
return abs(delta)


def _date_and_delta(
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7 changes: 7 additions & 0 deletions tests/test_time.py
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Expand Up @@ -196,6 +196,8 @@ def test_naturaldelta_too_large_value_raises() -> None:
(NOW - dt.timedelta(days=365 + 35), "1 year, 1 month ago"),
(dt.timedelta(days=-10000), "27 years from now"),
(dt.timedelta(days=365 + 35), "1 year, 1 month ago"),
(dt.datetime(9999, 12, 31), "7,995 years from now"),
(dt.timedelta(days=-800_000), "2,192 years from now"),
(22.5, "22 seconds ago"),
(23.5, "24 seconds ago"),
(23.9, "24 seconds ago"),
Expand Down Expand Up @@ -645,6 +647,11 @@ def test_precisedelta_one_unit_enough(
(dt.timedelta(days=32), "seconds", "1 month and 1 day"),
(dt.timedelta(days=62), "seconds", "2 months and 1 day"),
(dt.timedelta(days=92), "seconds", "3 months"),
(
dt.timedelta(days=-800_000),
"seconds",
"2,191 years, 9 months and 10 days",
),
(dt.timedelta(days=31), "days", "1 month"),
(dt.timedelta(days=32), "days", "1 month and 1 day"),
(dt.timedelta(days=62), "days", "2 months and 1 day"),
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