Merge pull request #26237 from rtdany10/patch-5

feat: Increase number of supported currency exchanges
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Nabin Hait 2021-07-31 11:34:15 +05:30 committed by GitHub
commit 99afe375ea
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2 changed files with 14 additions and 25 deletions

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@ -62,12 +62,12 @@ class TestCurrencyExchange(unittest.TestCase):
exchange_rate = get_exchange_rate("USD", "INR", "2016-01-30", "for_selling") exchange_rate = get_exchange_rate("USD", "INR", "2016-01-30", "for_selling")
self.assertEqual(exchange_rate, 62.9) self.assertEqual(exchange_rate, 62.9)
# Exchange rate as on 15th Dec, 2015, should be fetched from fixer.io # Exchange rate as on 15th Dec, 2015
self.clear_cache() self.clear_cache()
exchange_rate = get_exchange_rate("USD", "INR", "2015-12-15", "for_selling") exchange_rate = get_exchange_rate("USD", "INR", "2015-12-15", "for_selling")
self.assertFalse(exchange_rate == 60) self.assertFalse(exchange_rate == 60)
self.assertEqual(flt(exchange_rate, 3), 66.894) self.assertEqual(flt(exchange_rate, 3), 66.999)
def test_exchange_rate_strict(self): def test_exchange_rate_strict(self):
# strict currency settings # strict currency settings
@ -77,28 +77,17 @@ class TestCurrencyExchange(unittest.TestCase):
exchange_rate = get_exchange_rate("USD", "INR", "2016-01-01", "for_buying") exchange_rate = get_exchange_rate("USD", "INR", "2016-01-01", "for_buying")
self.assertEqual(exchange_rate, 60.0) self.assertEqual(exchange_rate, 60.0)
# Will fetch from fixer.io
self.clear_cache() self.clear_cache()
exchange_rate = get_exchange_rate("USD", "INR", "2016-01-15", "for_buying") exchange_rate = get_exchange_rate("USD", "INR", "2016-01-15", "for_buying")
self.assertEqual(flt(exchange_rate, 3), 67.79) self.assertEqual(flt(exchange_rate, 3), 67.235)
exchange_rate = get_exchange_rate("USD", "INR", "2016-01-30", "for_selling") exchange_rate = get_exchange_rate("USD", "INR", "2016-01-30", "for_selling")
self.assertEqual(exchange_rate, 62.9) self.assertEqual(exchange_rate, 62.9)
# Exchange rate as on 15th Dec, 2015, should be fetched from fixer.io # Exchange rate as on 15th Dec, 2015
self.clear_cache() self.clear_cache()
exchange_rate = get_exchange_rate("USD", "INR", "2015-12-15", "for_buying") exchange_rate = get_exchange_rate("USD", "INR", "2015-12-15", "for_buying")
self.assertEqual(flt(exchange_rate, 3), 66.894) self.assertEqual(flt(exchange_rate, 3), 66.999)
exchange_rate = get_exchange_rate("INR", "NGN", "2016-01-10", "for_selling")
self.assertEqual(exchange_rate, 65.1)
# NGN is not available on fixer.io so these should return 0
exchange_rate = get_exchange_rate("INR", "NGN", "2016-01-09", "for_selling")
self.assertEqual(exchange_rate, 0)
exchange_rate = get_exchange_rate("INR", "NGN", "2016-01-11", "for_selling")
self.assertEqual(exchange_rate, 0)
def test_exchange_rate_strict_switched(self): def test_exchange_rate_strict_switched(self):
# Start with allow_stale is True # Start with allow_stale is True
@ -111,4 +100,4 @@ class TestCurrencyExchange(unittest.TestCase):
# Will fetch from fixer.io # Will fetch from fixer.io
self.clear_cache() self.clear_cache()
exchange_rate = get_exchange_rate("USD", "INR", "2016-01-15", "for_buying") exchange_rate = get_exchange_rate("USD", "INR", "2016-01-15", "for_buying")
self.assertEqual(flt(exchange_rate, 3), 67.79) self.assertEqual(flt(exchange_rate, 3), 67.235)

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@ -93,21 +93,21 @@ def get_exchange_rate(from_currency, to_currency, transaction_date=None, args=No
try: try:
cache = frappe.cache() cache = frappe.cache()
key = "currency_exchange_rate_{0}:{1}:{2}".format(transaction_date,from_currency, to_currency) key = "currency_exchange_rate_{0}:{1}:{2}".format(transaction_date, from_currency, to_currency)
value = cache.get(key) value = cache.get(key)
if not value: if not value:
import requests import requests
api_url = "https://frankfurter.app/{0}".format(transaction_date) api_url = "https://api.exchangerate.host/convert"
response = requests.get(api_url, params={ response = requests.get(api_url, params={
"base": from_currency, "date": transaction_date,
"symbols": to_currency "from": from_currency,
"to": to_currency
}) })
# expire in 6 hours # expire in 6 hours
response.raise_for_status() response.raise_for_status()
value = response.json()["rates"][to_currency] value = response.json()["result"]
cache.setex(name=key, time=21600, value=flt(value))
cache.set_value(key, value, expires_in_sec=6 * 60 * 60)
return flt(value) return flt(value)
except: except:
frappe.log_error(title="Get Exchange Rate") frappe.log_error(title="Get Exchange Rate")