def check_eu_vat_id(vatid):
"""Check an EU VAT ID string (of the form: FI01234567) and return True if
it is currently valid.
"""
from twisted.internet import defer
def _success(res):
vat_valid = False
if hasattr(res, 'valid'):
if res.valid == 1:
return True
return False
def _failure(reason):
_log.warning('Warning: VAT ID check failed, reason: %s' % reason)
return False
try:
vat_cc, vat_no = split_eu_vat_id(vatid)
# FIXME: should Proxy be reused???
soap_uri = 'http://ec.europa.eu/taxation_customs/vies/api/checkVatPort'
p = soap.Proxy(soap_uri)
d = p.callRemote('checkVat', countryCode=vat_cc, vatNumber=vat_no)
d.addCallbacks(_success, _failure)
return d
except:
# XXX: we don't want to catch import failures at least...
_log.exception('VAT ID check failed')
return defer.succeed(False)
def setupClient(self, url=None, encrypt=False):
"""Sets up a simple twisted soap client. Server has to be started. If
url is not given, encrypt can be set for connecting through https."""
if not url:
host = self.server.port.getHost()
if encrypt:
proto = 'https'
else:
proto = 'http'
url = '%s://%s:%d/SOAP/?wsdl' % (proto, host.host, host.port)
return soap.Proxy(url)
def proxy(self):
return soap.Proxy("http://localhost:%d/" % self.port)
def proxy(self):
return soap.Proxy("http://127.0.0.1:%d/" % self.port)