mirror of
https://github.com/OCA/account-financial-tools.git
synced 2025-02-02 12:47:26 +02:00
84 lines
3.0 KiB
Python
84 lines
3.0 KiB
Python
# -*- coding: utf-8 -*-
|
|
##############################################################################
|
|
#
|
|
# Copyright (c) 2009 CamptoCamp. All rights reserved.
|
|
# @author Nicolas Bessi
|
|
#
|
|
# Abstract class to fetch rates from Banco de México
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as
|
|
# published by the Free Software Foundation, either version 3 of the
|
|
# License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
##############################################################################
|
|
|
|
from .currency_getter_interface import Currency_getter_interface
|
|
|
|
import logging
|
|
_logger = logging.getLogger(__name__)
|
|
|
|
|
|
class MX_BdM_getter(Currency_getter_interface):
|
|
"""Implementation of Currency_getter_factory interface
|
|
for Banco de México service
|
|
|
|
"""
|
|
|
|
def rate_retrieve(self):
|
|
""" Get currency exchange from Banxico.xml and proccess it
|
|
TODO: Get correct data from xml instead of process string
|
|
"""
|
|
url = ('http://www.banxico.org.mx/rsscb/rss?'
|
|
'BMXC_canal=pagos&BMXC_idioma=es')
|
|
|
|
from xml.dom.minidom import parse
|
|
from StringIO import StringIO
|
|
|
|
logger = logging.getLogger(__name__)
|
|
logger.debug("Banxico currency rate service : connecting...")
|
|
rawfile = self.get_url(url)
|
|
|
|
dom = parse(StringIO(rawfile))
|
|
logger.debug("Banxico sent a valid XML file")
|
|
|
|
value = dom.getElementsByTagName('cb:value')[0]
|
|
rate = value.firstChild.nodeValue
|
|
|
|
return float(rate)
|
|
|
|
def get_updated_currency(self, currency_array, main_currency,
|
|
max_delta_days=1):
|
|
"""implementation of abstract method of Curreny_getter_interface"""
|
|
logger = logging.getLogger(__name__)
|
|
# we do not want to update the main currency
|
|
if main_currency in currency_array:
|
|
currency_array.remove(main_currency)
|
|
|
|
# Suported currencies
|
|
suported = ['MXN', 'USD']
|
|
for curr in currency_array:
|
|
if curr in suported:
|
|
# Get currency data
|
|
main_rate = self.rate_retrieve()
|
|
if main_currency == 'MXN':
|
|
rate = 1 / main_rate
|
|
else:
|
|
rate = main_rate
|
|
else:
|
|
# No other currency supported
|
|
continue
|
|
|
|
self.updated_currency[curr] = rate
|
|
logger.debug("Rate retrieved : %s = %s %s" %
|
|
(main_currency, rate, curr))
|
|
return self.updated_currency, self.log_info
|