The need to represent instances of money frequently arises in software development, particularly any financial/economics software. To address that need, the py-moneyed package provides the classes of Money and Currency, at a level more useful than just using Python's Decimal class, or ($DEITY forbid) the float primitive.

Currency instances have a zero property for convenience. It returns a cached Money instance of the currency.

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Provides Currency and Money classes for use in your Python code.

The Money class provides operators with type checking, matching currency checking, and sensible dimensional behavior, e.g. you cannot multiply two Money instances, nor can you add a Money instance to a non-Money number; dividing a Money instance by another results in a Decimal value, etc. The Currency class is provided with a complete dictionary of ISO 4217 currencies data, each key (e.g. 'USD') mapping to a Currency instance with ISO numeric code, canonical name in English, and countries using the currency. Thanks to the python-money developers for their (possibly tedious) data-entry of the ISO codes!

The Money class also provides operators with type checking, matching currency checking, and sensible dimensional behavior, e.g. you cannot multiply two Money instances, nor can you add a Money instance to a non-Money number; dividing a Money instance by another results in a Decimal value, etc. The Currency class is provided with a complete dictionary of ISO 4217 currencies data, each key (e.g. 'USD') mapping to a Currency instance with ISO numeric code, canonical name in English, and countries using the currency. Thanks to the python-money developers for their (possibly tedious) data-entry of the ISO codes!

Removed undocumented DEFAULT_CURRENCY and DEFAULT_CURRENCY_CODE constants, and change to make instantiating Money without providing a currency a type error.

You then use :class:`Money` instances as a normal number. The Money class provides operators with type checking, matching currency checking, and sensible dimensional behavior, e.g.

Money class for Python 3. Unlike other Python money classes, this class enforces that all monetary amounts are represented with the correct number of decimal places for the currency. For example, 3.678 USD is invalid, as is 5.5 JPY.

The Money class provides operators with type checking, matching currency checking, and sensible dimensional behavior, e.g. you cannot multiply two Money instances, nor can you add a Money instance to a non-Money number; dividing a Money instance by another results in a Decimal value, etc. The Currency class is provided with a complete dictionary of ISO 4217 currencies data, each key (e.g. 'USD') mapping to a Currency instance with ISO numeric code, canonical name in English, and countries using the currency. Thanks to the python-money developers for their (possibly tedious) data-entry of the ISO codes!

These are the docs for py-moneyed 3.0.

LC_NUMERIC, which can produce different results from the old function. Use the new format_money to ... – On Python 2, Money.__str__ (bytestring) output has changed to be more basic.

Handling money with Python and py-moneyed · Display the source blob · Display the rendered blob Raw · py-moneyed.ipynb · Loading · Sorry, something went wrong. Reload? Sorry, we cannot display this file. Sorry, this file is invalid so it cannot be displayed.

To address that need, the py-moneyed package provides the classes of Money and Currency, at a level more useful than just using Python's Decimal class, or ($DEITY forbid) the float primitive. The package is meant to be stand-alone and easy to either use directly, or subclass further.

The Money class also provides operators with type checking, matching currency checking, and sensible dimensional behavior, e.g. you cannot multiply two Money instances, nor can you add a Money instance to a non-Money number; dividing a Money instance by another results in a Decimal value, etc. The Currency class is provided with a complete dictionary of ISO 4217 currencies data, each key (e.g. ‘USD’) mapping to a Currency instance with ISO numeric code, canonical name in English, and countries using the currency. Thanks to the python-money developers for their (possibly tedious) data-entry of the ISO codes!

You then use Money objects as if they were numbers, and they behave sensibly. See docs for more information (or the docs/ folder). Some of the py-moneyed code was first derived from python-money available via this URL: Due to inactivity, it was forked by @limist in 2010 and later moved to the py-moneyed organization.

Use the new format_money to control output. On Python 2, Money.__str__ (bytestring) output has changed to be more basic.

January 31, 2020 - To avoid the faulty rounding/“allocations” on chained calculations, we store monetary values as Decimals, using py-moneyed. All backend operations deal with exact money. Rounding only occurs explicitly or when values are outputted to the user.

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