Files
account-financial-tools/currency_rate_update/services/update_service_CA_BOC.py
2016-10-27 22:57:06 +02:00

97 lines
3.9 KiB
Python

# -*- coding: utf-8 -*-
# © 2009 Camptocamp
# © 2014 Daniel Dico
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
from .currency_getter_interface import CurrencyGetterInterface
from odoo import _
from odoo.exceptions import except_orm
import logging
_logger = logging.getLogger(__name__)
class CA_BOCGetter(CurrencyGetterInterface):
"""Implementation of Curreny_getter_factory interface
for Bank of Canada RSS service
"""
# Bank of Canada is using RSS-CB
# http://www.cbwiki.net/wiki/index.php/Specification_1.1
# This RSS format is used by other national banks
# (Thailand, Malaysia, Mexico...)
code = 'CA_BOC'
name = 'Bank of Canada - noon rates'
supported_currency_array = [
"AED", "ANG", "ARS", "AUD", "BOC", "BRL", "BSD", "CHF", "CLP", "CNY",
"COP", "CZK", "DKK", "EUR", "FJD", "GBP", "GHS", "GTQ", "HKD", "HNL",
"HRK", "HUF", "IDR", "ILS", "INR", "ISK", "JMD", "JPY", "KRW", "LKR",
"MAD", "MMK", "MXN", "MYR", "NOK", "NZD", "PAB", "PEN", "PHP", "PKR",
"PLN", "RON", "RSD", "RUB", "SEK", "SGD", "THB", "TND", "TRY", "TTD",
"TWD", "USD", "VEF", "VND", "XAF", "XCD", "XPF", "ZAR"]
def get_updated_currency(self, currency_array, main_currency,
max_delta_days):
"""implementation of abstract method of Curreny_getter_interface"""
# as of Jan 2014 BOC is publishing noon rates for about 60 currencies
url = ('http://www.bankofcanada.ca/stats/assets/'
'rates_rss/noon/en_%s.xml')
# closing rates are available as well (please note there are only 12
# currencies reported):
# http://www.bankofcanada.ca/stats/assets/rates_rss/closing/en_%s.xml
# We do not want to update the main currency
if main_currency in currency_array:
currency_array.remove(main_currency)
import feedparser
import pytz
from dateutil import parser
for curr in currency_array:
_logger.debug("BOC currency rate service : connecting...")
dom = feedparser.parse(url % curr)
self.validate_cur(curr)
# check if BOC service is running
if dom.bozo and dom.status != 404:
_logger.error("Bank of Canada - service is down - try again\
later...")
# check if BOC sent a valid response for this currency
if dom.status != 200:
_logger.error("Exchange data for %s is not reported by Bank\
of Canada." % curr)
raise except_orm(_('Error !'), _('Exchange data for %s is not '
'reported by Bank of Canada.'
% str(curr)))
_logger.debug("BOC sent a valid RSS file for: " + curr)
# check for valid exchange data
if (dom.entries[0].cb_basecurrency == main_currency) and \
(dom.entries[0].cb_targetcurrency == curr):
rate = dom.entries[0].cb_exchangerate.split('\n', 1)[0]
rate_date_datetime = parser.parse(dom.entries[0].updated)\
.astimezone(pytz.utc).replace(tzinfo=None)
self.check_rate_date(rate_date_datetime, max_delta_days)
self.updated_currency[curr] = rate
_logger.debug("BOC Rate retrieved : %s = %s %s" %
(main_currency, rate, curr))
else:
_logger.error(
"Exchange data format error for Bank of Canada -"
"%s. Please check provider data format "
"and/or source code." % curr)
raise except_orm(_('Error !'),
_('Exchange data format error for '
'Bank of Canada - %s !' % str(curr)))
return self.updated_currency, self.log_info