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توضیحات

Compute with monetary values in the currencies supported by https://www.exchangerate-api.com.

ویژگی	مقدار
سیستم عامل	-
نام فایل	dated-money-0.0.6
نام	dated-money
نسخه کتابخانه	0.0.6
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	-
ایمیل نویسنده	Juan Reyero <juan@juanreyero.com>
آدرس صفحه اصلی	-
آدرس اینترنتی	https://pypi.org/project/dated-money/
مجوز	Copyright (c) 2018 The Python Packaging Authority Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

# dated-money — dmon.money.Money Manipulate monetary values, each consisting in an amount (stored as a Decimal in cents) and a currency, with control on the date on which currency conversions take place. It differs from the [money](https://pypi.org/project/money/) package in that it treats the date as a first class element. It downloads and saves today's conversion rates from https://www.exchangerate-api.com/ using your API key (see below). If your account is free currency exchanges will only work for today, or for dates for which a conversion rate json file is found. If your account is paid all dates will work. ## Examples ```python from decimal import Decimal as Dec from dmon.money import Money, Currency # Compute in eur with today's conversion rates (default) Eur = Money(Currency.EUR) # Compute in gbp with today's conversion rates Gbp = Money('£') assert Eur(40).cents() == Dec('4000') assert Eur(40).to('$').cents() == Dec('4020.100502512562832012897042') assert Eur(20) < Gbp(20) assert Eur(20, '£') == Eur(20, 'gbp') == Eur(20, Currency.GBP) == Gbp(20) # We can define the default date for conversions when creating the class OldUsd = Money('$', on='2022-01-07') assert str(OldUsd(20, 'eur').to('$')) == '$22.61' assert str(Eur(20, 'eur').to('$')) == '$20.13' # With today's rates # Computations are done in the default currency of the class Eur assert str(Eur(20, 'aud') + Eur(20, 'gbp')) == '€37.00' # If we move to another date the values differ Eur.to_date('2022-01-07') assert str(Eur(20, 'aud') + Eur(20, 'gbp')) == '€36.65' # If we use two classes with different dates the first one wins assert str(Eur(20, 'aud') + Gbp(20, 'gbp')) == '€36.23' assert str(Gbp(20) + Eur(20, 'aud')) == '£30.61' assert Eur(20) / Gbp(20) == Dec('0.8500402576489532855181620688') assert Eur(20) / 2 == Eur(10) assert str(1.2 * Eur(20)) == '€24.00' assert str(1.2 * Eur(20).to(Currency.CAD)) == 'C$31.53' paid = Gbp(10) amount, currency = paid.as_tuple() assert (amount, currency) == (Dec('1000'), 'gbp') assert Gbp((amount, currency)) == paid ``` ## Installation `pip install dated-money` ## Usage The metaclass `Money` returns a class that knows its currency and the date for which currency transformations should be done. When the `on` argument is `None` (default) the date is set to today's. If it is a date string, like `'2021-10-29'`, it will do the conversions with the date's exchange rate (assuming that it can find the json file with the rates, otherwise it will fail). **Important** All computations are done with cents stored as Decimal, but comparisons are are rounded to the second decimal. So, for example, ```python paid = Gbp(10) paid_usd = paid.to('$') paid_usd.cents() # Decimal('1183.992422448496305219877141') str(paid_usd) # '$11.84' # If we initialize with a string instead of a float it will be an exact Decimal. native_usd = Gbp('11.84', 'usd') native_usd.cents() # Decimal('1184.00') assert native_usd == paid_usd assert native_usd.cents() != paid_usd.cents() native_usd.cents() - paid_usd.cents() # Decimal('0.007577551503694780122859') ``` ## Environment variables The `MONEY_RATES_API_KEY` environment variable contains your API key for [https://your_exchangerate-api.com](the exchange rates provider). `export MONEY_RATES_API_KEY=your_exchangerate-api.com_key` The exchange rates will only be downloaded once a day, and cached in the directory pointed at by `MONEY_RES`, if defined, or the current directory otherwise. `export MONEY_RES=a/resources/directory`

نیازمندی

مقدار	نام
>=2.26.0	requests
>=2.8.2	python-dateutil
>=0.18.1	jedi
>=2.13.9	pylint
>=7.0.0	pytest
>=0.32.0	yapf

زبان مورد نیاز

مقدار	نام
>=3.8	Python

نحوه نصب

نصب پکیج whl dated-money-0.0.6:

pip install dated-money-0.0.6.whl

نصب پکیج tar.gz dated-money-0.0.6:

pip install dated-money-0.0.6.tar.gz