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https://github.com/OCA/account-financial-tools.git
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1017ce3b4c
Update README Code cleanup: remove @api.one, better error messages, remove call to MOD_NAME which was not defined any more Use account.menu_config_multi_currency as parent menu
93 lines
3.8 KiB
Python
93 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
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# © 2009 Camptocamp
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# © 2009 Grzegorz Grzelak
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
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from .currency_getter_interface import CurrencyGetterInterface
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from datetime import datetime
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from lxml import etree
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import logging
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_logger = logging.getLogger(__name__)
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class ECBGetter(CurrencyGetterInterface):
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"""Implementation of Currency_getter_factory interface
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for ECB service
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"""
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code = 'ECB'
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name = 'European Central Bank'
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supported_currency_array = [
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"AUD", "BGN", "BRL", "CAD", "CHF", "CNY", "CZK", "DKK", "EUR", "GBP",
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"HKD", "HRK", "HUF", "IDR", "ILS", "INR", "JPY", "KRW", "LTL", "MXN",
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"MYR", "NOK", "NZD", "PHP", "PLN", "RON", "RUB", "SEK", "SGD", "THB",
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"TRY", "USD", "ZAR"]
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def rate_retrieve(self, dom, ns, curr):
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"""Parse a dom node to retrieve-
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currencies data
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"""
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res = {}
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xpath_curr_rate = ("/gesmes:Envelope/def:Cube/def:Cube/"
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"def:Cube[@currency='%s']/@rate") % (curr.upper())
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res['rate_currency'] = float(
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dom.xpath(xpath_curr_rate, namespaces=ns)[0]
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)
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return res
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def get_updated_currency(self, currency_array, main_currency,
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max_delta_days):
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"""implementation of abstract method of Curreny_getter_interface"""
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url = 'http://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml'
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# Important : as explained on the ECB web site, the currencies are
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# at the beginning of the afternoon ; so, until 3 p.m. Paris time
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# the currency rates are the ones of trading day N-1
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# http://www.ecb.europa.eu/stats/exchange/eurofxref/html/index.en.html
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# We do not want to update the main currency
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if main_currency in currency_array:
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currency_array.remove(main_currency)
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_logger.debug("ECB currency rate service : connecting...")
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rawfile = self.get_url(url)
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dom = etree.fromstring(rawfile)
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_logger.debug("ECB sent a valid XML file")
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ecb_ns = {
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'gesmes': 'http://www.gesmes.org/xml/2002-08-01',
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'def': 'http://www.ecb.int/vocabulary/2002-08-01/eurofxref'
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}
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rate_date = dom.xpath('/gesmes:Envelope/def:Cube/def:Cube/@time',
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namespaces=ecb_ns)[0]
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# Don't use DEFAULT_SERVER_DATE_FORMAT here, because it's
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# the format of the XML of ECB, not the format of Odoo server !
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rate_date_datetime = datetime.strptime(rate_date, '%Y-%m-%d')
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self.check_rate_date(rate_date_datetime, max_delta_days)
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# We dynamically update supported currencies
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self.supported_currency_array = dom.xpath(
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"/gesmes:Envelope/def:Cube/def:Cube/def:Cube/@currency",
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namespaces=ecb_ns
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)
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self.supported_currency_array.append('EUR')
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_logger.debug("Supported currencies = %s " %
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self.supported_currency_array)
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self.validate_cur(main_currency)
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if main_currency != 'EUR':
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main_curr_data = self.rate_retrieve(dom, ecb_ns, main_currency)
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for curr in currency_array:
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self.validate_cur(curr)
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if curr == 'EUR':
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rate = 1 / main_curr_data['rate_currency']
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else:
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curr_data = self.rate_retrieve(dom, ecb_ns, curr)
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if main_currency == 'EUR':
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rate = curr_data['rate_currency']
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else:
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rate = (curr_data['rate_currency'] /
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main_curr_data['rate_currency'])
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self.updated_currency[curr] = rate
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_logger.debug(
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"Rate retrieved : 1 %s = %s %s" % (main_currency, rate, curr)
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)
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return self.updated_currency, self.log_info
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