log.debug('Request url: {}'.format(url))
r = requests.get(url)
self.dump_http_response(r)
rate = r.text
try:
rate = float(rate)
except ValueError as e:
raise APIError(e, self.id_)
if rate == -1:
raise APIError('Invalid amount used')
if rate == -2:
raise APIError('Invalid currency code: {} -> {}'
.format(transaction, payment))
if rate == -3:
raise APIError('Invalid API key: {}'.format(self.api_key))
if rate == -4:
raise APIError('API query limit reached')
if rate == -5:
raise APIError('Unresolved IP address used')
self.save_cache(transaction, payment, rate)
return rate
register_api_provider(ExchangeRateAPI.id_, ExchangeRateAPI, ['api_key'])
# If rate is None here the exchange rate was either not cached
# or its timestamp was too old, therefor we need to do a
# request for an up-to-date exchange rate.
if not rate:
url = self.url.format(transaction, payment)
log.debug('Request url: {}'.format(url))
r = requests.get(url)
self.dump_http_response(r)
# TODO:2014-10-23:einar: provide better user feedback.
# Should probably provide some sort of 'contact developer'
# functionality is implemented.
if r.status_code != 200:
raise APIError('Unknown API error happend.', self.id_)
rate = r.text
try:
rate = float(rate)
except ValueError:
raise APIError(rate, self.id_)
self.save_cache(transaction, payment, rate)
return rate
register_api_provider(Yahoo.id_, Yahoo)
log.debug('Request url: {}'.format(url))
r = requests.get(url)
self.dump_http_response(r)
rate = r.text
try:
rate = float(rate)
except ValueError as e:
raise APIError(e, self.id_)
if rate == -1:
raise APIError('Invalid amount used')
if rate == -2:
raise APIError('Invalid currency code: {} -> {}'.format(
transaction, payment))
if rate == -3:
raise APIError('Invalid API key: {}'.format(self.api_key))
if rate == -4:
raise APIError('API query limit reached')
if rate == -5:
raise APIError('Unresolved IP address used')
self.save_cache(transaction, payment, rate)
return rate
register_api_provider(ExchangeRateAPI.id_, ExchangeRateAPI, ['api_key'])
if status_code == 401:
message = r.json().get('message')
if message in ['missing_appid_', 'invalid_appid_']:
raise APIError('Invalid API key: {}'.format(self.api_key),
self.id_)
# TODO:2014-10-22:einar: provide an else cause here?
if message == 'not_allowed':
raise APIError('Not allowed to access requested feature')
if status_code == 429:
raise APIError('Access restricted for over-use', self.id_)
# TODO:2014-10-22:einar: use 'description' for better feedback
if status_code == 403:
raise APIError('Access restricted', self.id_)
if status_code == 400:
raise APIError('Invalid base currency', self.id_)
if status_code == 200 or status_code == 304:
return status_code, (r.json().get('base'),
r.json().get('rates'),
r.headers.get('etag'),
r.headers.get('last_modified'))
else:
# TODO:2014-10-22:einar: provide better user feedback.
# Should probably provide some sort of 'contact developer'
# functionality is implemented.
raise APIError('Received unexpected status code: {}'
.format(status_code), self.id_)
register_api_provider(OpenExchangeRates.id_, OpenExchangeRates, ['api_key'])
rate = self.get_exchange_rate_from_cache(transaction, payment)
if not rate:
url = self.url.format(transaction, payment)
log.debug('Request url: {}'.format(url))
r = requests.get(url)
self.dump_http_response(r)
if r.status_code == 503:
# FIXME:2014-10-23:einar: Copy-paste of msg from HTML response
raise APIError(
'Application is temporarily over its serving '
'quota. Please try again later.', self.id_)
try:
rate = r.json().get('rate')
except KeyError as ke:
log.error(ke)
raise APIError('Unable to extract rate key from json response')
except ValueError as ve:
log.error(ve)
raise APIError('Unable to convert exchange rate to float')
self.save_cache(transaction, payment, rate)
return rate
register_api_provider(RateExchange.id_, RateExchange)
raise APIError('Unable to fetch data.', self.id_)
def _parse_html(self, html):
"""Parse the return HTML document for exchange rate data.
:param html: the HTML content to parse.
:returns: two dictionaries (rates and inverse_rates), which
contains exchange rates on success, or is empty otherwise.
"""
soup = BeautifulSoup(html, self._parser)
content = soup.find(id='content_section').find('table').find('font')
f = io.StringIO(content.text)
reader = csv.reader(f)
data = [row for row in reader if len(row) > 0][1:]
assert len(data) > 0
assert len(data[0]) == 4
rates, inverse_rates = {}, {}
for row in data:
name, code, inverse, rate = row
rates[code] = float(rate)
inverse_rates[code] = float(inverse)
return rates, inverse_rates
register_api_provider(Oanda.id_, Oanda)
"""
rate = self.get_exchange_rate_from_cache(transaction, payment)
if not rate:
url = self.url.format(transaction, payment)
log.debug('Request url: {}'.format(url))
r = requests.get(url)
self.dump_http_response(r)
if r.status_code == 503:
# FIXME:2014-10-23:einar: Copy-paste of msg from HTML response
raise APIError('Application is temporarily over its serving '
'quota. Please try again later.', self.id_)
try:
rate = r.json().get('rate')
except KeyError as ke:
log.error(ke)
raise APIError('Unable to extract rate key from json response')
except ValueError as ve:
log.error(ve)
raise APIError('Unable to convert exchange rate to float')
self.save_cache(transaction, payment, rate)
return rate
register_api_provider(RateExchange.id_, RateExchange)
if status_code == 401:
message = r.json().get('message')
if message in ['missing_appid_', 'invalid_appid_']:
raise APIError('Invalid API key: {}'.format(self.api_key),
self.id_)
# TODO:2014-10-22:einar: provide an else cause here?
if message == 'not_allowed':
raise APIError('Not allowed to access requested feature')
if status_code == 429:
raise APIError('Access restricted for over-use', self.id_)
# TODO:2014-10-22:einar: use 'description' for better feedback
if status_code == 403:
raise APIError('Access restricted', self.id_)
if status_code == 400:
raise APIError('Invalid base currency', self.id_)
if status_code == 200 or status_code == 304:
return status_code, (r.json().get('base'), r.json().get('rates'),
r.headers.get('etag'),
r.headers.get('last_modified'))
else:
# TODO:2014-10-22:einar: provide better user feedback.
# Should probably provide some sort of 'contact developer'
# functionality is implemented.
raise APIError(
'Received unexpected status code: {}'.format(status_code),
self.id_)
register_api_provider(OpenExchangeRates.id_, OpenExchangeRates, ['api_key'])