| from django.conf import settings |
| from django.utils.safestring import mark_safe |
| |
| |
| def format(number, decimal_sep, decimal_pos, grouping=0, thousand_sep=''): |
| """ |
| Gets a number (as a number or string), and returns it as a string, |
| using formats definied 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 and grouping |
| # 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: |
| dec_part = dec_part[:decimal_pos] |
| else: |
| int_part, dec_part = str_number, '' |
| if decimal_pos: |
| 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 |
| |
