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Play with human size some more

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Kovid Goyal 2021-09-12 13:40:58 +05:30
parent 1136c64d49
commit d726eb354d
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1 changed files with 12 additions and 8 deletions
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20
kittens/tui/utils.py
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@ -4,6 +4,7 @@
import sys import sys
from contextlib import suppress from contextlib import suppress
from typing import Tuple
from .operations import raw_mode, set_cursor_visible from .operations import raw_mode, set_cursor_visible
@ -29,15 +30,18 @@ def get_key_press(allowed: str, default: str) -> str:
return response return response
def human_size(size: int, sep: str = ' ', max_num_of_decimals: int = 2) -> str: def human_size(
size: int, sep: str = ' ',
max_num_of_decimals: int = 2,
unit_list: Tuple[str, ...] = ('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB')
) -> str:
""" Convert a size in bytes into a human readable form """ """ Convert a size in bytes into a human readable form """
divisor, suffix = 1, "B" if size < 2:
for i, candidate in enumerate(('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB')): return f'{size}{sep}{unit_list[0]}'
if size < (1 << ((i + 1) * 10)): from math import log
divisor, suffix = (1 << (i * 10)), candidate exponent = min(int(log(size, 1024)), len(unit_list) - 1)
break ans = str(size / 1024**exponent)
ans = str(size / divisor)
pos = ans.find('.') pos = ans.find('.')
if pos > -1: if pos > -1:
ans = ans[:pos + max_num_of_decimals + 1] ans = ans[:pos + max_num_of_decimals + 1]
return ans.rstrip('0').rstrip('.') + sep + suffix return ans.rstrip('0').rstrip('.') + sep + unit_list[exponent]