File size: 1,523 Bytes
598316f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | diff --git a/src/humanize/number.py b/src/humanize/number.py
index 2fb22c6..c072f1a 100644
--- a/src/humanize/number.py
+++ b/src/humanize/number.py
@@ -308,7 +308,7 @@ def apnumber(value: NumberOrString) -> str:
return _(_APNUMBER_WORDS[value])
-def fractional(value: NumberOrString) -> str:
+def fractional(value: NumberOrString, *, max_denominator: int = 1000) -> str:
"""Convert to fractional number.
There will be some cases where one might not want to show ugly decimal places for
@@ -343,12 +343,20 @@ def fractional(value: NumberOrString) -> str:
Args:
value (int, float, str): Integer to convert.
+ max_denominator (int): Largest denominator allowed in the approximation.
Returns:
str: Fractional number as a string.
"""
import math
+ if (
+ isinstance(max_denominator, bool)
+ or not isinstance(max_denominator, int)
+ or max_denominator <= 0
+ ):
+ raise ValueError("max_denominator must be a positive integer")
+
try:
number = float(value)
if not math.isfinite(number):
@@ -358,7 +366,7 @@ def fractional(value: NumberOrString) -> str:
from fractions import Fraction
whole_number = int(number)
- frac = Fraction(number - whole_number).limit_denominator(1000)
+ frac = Fraction(number - whole_number).limit_denominator(max_denominator)
numerator = frac.numerator
denominator = frac.denominator
if whole_number and not numerator and denominator == 1:
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