Example from account_voucher.py:

from openerp.tools.amount_to_text_en import amount_to_text

def _amount_to_text(self, cr, uid, amount, currency_id, context=None):

# Currency complete name is not available in res.currency model

# Exceptions done here (EUR, USD, BRL) cover 75% of cases

# For other currencies, display the currency code

currency = self.pool['res.currency'].browse(cr, uid, currency_id, context=context)

if currency.name.upper() == 'EUR':

currency_name = 'Euro'

elif currency.name.upper() == 'USD':

currency_name = 'Dollars'

elif currency.name.upper() == 'BRL':

currency_name = 'reais'

else:

currency_name = currency.name

#TODO : generic amount_to_text is not ready yet, otherwise language (and country) and currency can be passed

#amount_in_word = amount_to_text(amount, context=context)

return amount_to_text(amount, currency=currency_name)