| from django.conf import settings |
| from django.utils.safestring import mark_safe |
| from django.utils import six |
| |
| |
| 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(six.text_type(number)) |
| # sign |
| sign = '' |
| str_number = six.text_type(number) |
| if str_number[0] == '-': |
| sign = '-' |
| 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 |
