Cédric Krier
16634b1d01
Closes #15001 (grafted from 2c59c7615b52526b627b7416f2e315f96d54a430) --HG-- branch : 8.0
61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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import datetime as dt
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from decimal import Decimal
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import requests
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from lxml import etree
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import trytond.config as config
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from trytond.modules.currency.currency import CronFetchError
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from trytond.pool import PoolMeta
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from trytond.pyson import Eval, If
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URL_10DAYS = 'https://curs.bnr.ro/nbrfxrates10days.xml'
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URL_YEAR = 'https://curs.bnr.ro/files/xml/years/nbrfxrates%s.xml'
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class Cron(metaclass=PoolMeta):
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__name__ = 'currency.cron'
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@classmethod
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def __setup__(cls):
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super().__setup__()
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cls.source.selection.append(('bnr_ro', "Romanian National Bank"))
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cls.currency.domain = [
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cls.currency.domain or [],
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If(Eval('source') == 'bnr_ro',
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('code', '=', 'RON'),
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()),
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]
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def fetch_bnr_ro(self, date):
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if (dt.date.today() - date).days < 10:
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url = URL_10DAYS
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else:
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url = URL_YEAR % date.year
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timeout = config.getfloat(
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'currency_ro', 'requests_timeout', default=300)
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try:
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response = requests.get(url, timeout=timeout)
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except requests.HTTPError as e:
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raise CronFetchError() from e
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tree = etree.fromstring(response.content)
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origin, = tree.xpath(
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'//x:Body/x:OrigCurrency',
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namespaces={'x': 'http://www.bnr.ro/xsd'})
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assert origin.text == self.currency.code
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cubes = tree.xpath(
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'//x:Body/x:Cube[@date="%s"]' % date.isoformat(),
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namespaces={'x': 'http://www.bnr.ro/xsd'})
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if cubes:
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cube, = cubes
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return {
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r.get('currency'): (
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Decimal(r.get('multiplier', 1)) / Decimal(r.text))
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for r in cube.iter('{*}Rate')}
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else:
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return {}
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