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
45
46
47
48
49
50
51
|
SIZE_UNITS = dict(
b=1024 ** 0,
k=1024 ** 1,
m=1024 ** 2,
g=1024 ** 3,
t=1024 ** 4,
)
def pretty_size(size):
suffixes = [
("B", 2 ** 10),
("kB", 2 ** 20),
("MB", 2 ** 30),
]
for suf, lim in suffixes:
if size >= lim:
continue
else:
x = round(size / float(lim / 2 ** 10), 2)
if x == int(x):
x = int(x)
return str(x) + suf
def parse_size(s):
try:
return int(s)
except ValueError:
pass
for i in SIZE_UNITS.keys():
if s.endswith(i):
try:
return int(s[:-1]) * SIZE_UNITS[i]
except ValueError:
break
raise ValueError("Invalid size specification.")
def pretty_duration(secs):
formatters = [
(100, "{:.0f}s"),
(10, "{:2.1f}s"),
(1, "{:1.2f}s"),
]
for limit, formatter in formatters:
if secs >= limit:
return formatter.format(secs)
# less than 1 sec
return "{:.0f}ms".format(secs * 1000)
|