Imports name this capability’s declared dependencies, which fune builds next to it in your project; each one links to its page.
import math
from .math_round_float import round_float ← from math.round-float ^1.0.0 · built alongside by fune
from .text_format_decimal import format_decimal ← from text.format-decimal ^1.0.0 · built alongside by fune
def format_percent(value: float, decimals: int) -> str:
"""A fraction as a percentage with fixed places; the product is cleaned of
binary noise at 12 places first, so 0.145 is "15%", not "14%"."""
if isinstance(value, bool) or not isinstance(value, (int, float)) or not math.isfinite(value):
raise ValueError("value must be a finite number, received %r" % (value,))
percent = round_float(float(value) * 100, 12)
return format_decimal(percent, decimals, False, "") + "%"