debian-python-num2words/num2words/currency.py

51 lines
1.7 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (c) 2003, Taro Ogawa. All Rights Reserved.
# Copyright (c) 2013, Savoir-faire Linux inc. All Rights Reserved.
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA
from __future__ import division
from decimal import ROUND_HALF_UP, Decimal
def parse_currency_parts(value, is_int_with_cents=True):
if isinstance(value, int):
if is_int_with_cents:
# assume cents if value is integer
negative = value < 0
value = abs(value)
integer, cents = divmod(value, 100)
else:
negative = value < 0
integer, cents = abs(value), 0
else:
value = Decimal(value)
value = value.quantize(
Decimal('.01'),
rounding=ROUND_HALF_UP
)
negative = value < 0
value = abs(value)
integer, fraction = divmod(value, 1)
integer = int(integer)
cents = int(fraction * 100)
return integer, cents, negative
def prefix_currency(prefix, base):
return tuple("%s %s" % (prefix, i) for i in base)