def __request(symbol):
response = yql.YQLQuery().execute('select * from yahoo.finance.quotes where symbol = "{0}"'.format(symbol))
try:
return response['query']['results']
except KeyError:
try:
raise YQLQueryError(response['error']['description'])
except KeyError:
raise YQLResponseMalformedError()
def __request_historical(symbol, start_date, end_date):
response = yql.YQLQuery().execute(
'select * from yahoo.finance.historicaldata where symbol = "{0}" '
'and startDate = "{1}" and endDate = "{2}"'.format(symbol, start_date, end_date)
)
try:
return response['query']['results']
except KeyError:
try:
raise YQLQueryError(response['error']['description'])
except KeyError:
raise YQLResponseMalformedError()
def _request(self, query):
response = yql.YQLQuery().execute(query)
try:
results = response['query']['results'].itervalues().next()
except (KeyError, StopIteration):
try:
raise YQLQueryError(response['error']['description'])
except KeyError:
raise YQLResponseMalformedError()
else:
if self._is_error_in_results(results):
raise YQLQueryError(self._is_error_in_results(results))
self._change_incorrect_none(results)
return results