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
|
from django.conf import settings
from django.utils.safestring import mark_safe
def format(number, decimal_sep, decimal_pos=None, grouping=0, thousand_sep='',
force_grouping=False):
"""
Gets a number (as a number or string), and returns it as a string,
using formats defined as arguments:
* decimal_sep: Decimal separator symbol (for example ".")
* decimal_pos: Number of decimal positions
* grouping: Number of digits in every group limited by thousand separator
* thousand_sep: Thousand separator symbol (for example ",")
"""
use_grouping = settings.USE_L10N and settings.USE_THOUSAND_SEPARATOR
use_grouping = use_grouping or force_grouping
use_grouping = use_grouping and grouping > 0
# Make the common case fast
if isinstance(number, int) and not use_grouping and not decimal_pos:
return mark_safe(unicode(number))
# sign
if float(number) < 0:
sign = '-'
else:
sign = ''
str_number = unicode(number)
if str_number[0] == '-':
str_number = str_number[1:]
# decimal part
if '.' in str_number:
int_part, dec_part = str_number.split('.')
if decimal_pos is not None:
dec_part = dec_part[:decimal_pos]
else:
int_part, dec_part = str_number, ''
if decimal_pos is not None:
dec_part = dec_part + ('0' * (decimal_pos - len(dec_part)))
if dec_part:
dec_part = decimal_sep + dec_part
# grouping
if use_grouping:
int_part_gd = ''
for cnt, digit in enumerate(int_part[::-1]):
if cnt and not cnt % grouping:
int_part_gd += thousand_sep
int_part_gd += digit
int_part = int_part_gd[::-1]
return sign + int_part + dec_part
|
