parsimoney 0.1.0

A strict money parser that reads what humans write and preserves what they meant

parsimoney

A strict money parser. Reads what humans write, preserves what they meant.

from parsimoney import parse_money

parse_money("$45.00")        # Money(amount=45.0, currency="$", iso=None)
parse_money("45 dollars")    # Money(amount=45.0, currency="dollars", iso=None, currency_after=True)
parse_money("EUR 1,234.56")  # Money(amount=1234.56, currency="EUR", iso="EUR")
parse_money("\u20ac100")      # Money(amount=100.0, currency="\u20ac", iso="EUR")
parse_money("1000 yen")      # Money(amount=1000.0, currency="yen", iso="JPY")

Strict: the entire input must be accounted for. No silent data loss.

parse_money("$45.00 worth of stuff")  # raises ValueError

ISO Resolution

Unambiguous currencies resolve automatically. Ambiguous ones like $ and "dollars" (USD? CAD? AUD?) resolve via application-provided defaults or locale:

parse_money("$100", defaults={"$": "CAD"})
# Money(amount=100.0, currency="$", iso="CAD")

parse_money("100 dollars", defaults={"dollars": "AUD"})
# Money(amount=100.0, currency="dollars", iso="AUD", currency_after=True)

Without an explicit default, ambiguous currencies check the system locale. If the locale doesn't resolve it either, iso is None - parsimoney never guesses.

CLI

$ python -m parsimoney '$45.00' '100 euros' '1,234 USD'
'$45.00' -> $45
'100 euros' -> 100 euros
'1,234 USD' -> 1234 USD