def getCurrentPrice(self, crypto, unit, exchange):
url = "https://min-api.cryptocompare.com/data/price?fsym={}&tsyms={}&e={}".format(crypto, unit, exchange)
resultData = ResultData()
resultData.setValue(ResultData.RESULT_KEY_CRYPTO, crypto)
resultData.setValue(ResultData.RESULT_KEY_UNIT, unit)
resultData.setValue(ResultData.RESULT_KEY_EXCHANGE, exchange)
resultData.setValue(ResultData.RESULT_KEY_PRICE_TYPE, resultData.PRICE_TYPE_RT)
try:
if self.ctx == None:
#here, run in QPython under Python 3.2
webURL = urllib.request.urlopen(url)
else:
webURL = urllib.request.urlopen(url, context=self.ctx)
except HTTPError as e:
resultData.setError('ERROR - could not complete request ' + url + '. Reason: ' + str(e.reason) + '.')
except URLError as e:
resultData.setError('ERROR - No internet. Please connect and retry !')
except:
the_type, the_value, the_traceback = sys.exc_info()
resultData.setError('ERROR - could not complete request ' + url + '. Reason: ' + str(the_type) + '.')
else:
page = webURL.read()
soup = BeautifulSoup(page, 'html.parser')
dic = json.loads(soup.prettify())
if unit in dic:
resultData.setValue(ResultData.RESULT_KEY_PRICE_TIME_STAMP, DateTimeUtil.utcNowTimeStamp())
resultData.setValue(ResultData.RESULT_KEY_PRICE, dic[unit]) #current price is indexed by unit symbol in returned dic
else:
resultData = self._handleProviderError(dic, resultData, url, crypto, unit, exchange, isRealTime=True)
return resultData
def testGetMinuteHistoricalPriceForCryptoUnitPairNotSupportedByExchange(
self):
crypto = 'BTC'
unit = 'USD'
exchange = 'Binance'
localTimeZone = 'Europe/Zurich'
#time stamp is always UTC !
now = DateTimeUtil.localNow(localTimeZone)
timeStampLocalNow = now.timestamp()
timeStampUtcNow = DateTimeUtil.utcNowTimeStamp()
resultData = self.priceRequester.getHistoricalPriceAtUTCTimeStamp(
crypto, unit, timeStampLocalNow, localTimeZone, timeStampUtcNow,
exchange)
self.assertEqual(resultData.getValue(resultData.RESULT_KEY_PRICE_TYPE),
resultData.PRICE_TYPE_HISTO_MINUTE)
self.assertEqual(
resultData.getValue(resultData.RESULT_KEY_ERROR_MSG),
"PROVIDER ERROR - Binance market does not exist for this coin pair (BTC/USD)."
)
self.assertEqual(crypto,
resultData.getValue(resultData.RESULT_KEY_CRYPTO))
self.assertEqual(unit, resultData.getValue(resultData.RESULT_KEY_UNIT))
self.assertEqual(exchange,
resultData.getValue(resultData.RESULT_KEY_EXCHANGE))
def testUtcNowTimeStamp(self):
nowZHts = arrow.utcnow().to('Europe/Zurich').timestamp
utcTimeStamp = DateTimeUtil.utcNowTimeStamp()
self.assertEqual(nowZHts, utcTimeStamp)
