def currency_converter():
amount = request.args.get("amount")
input_currency = request.args.get("input_currency")
output_currency = request.args.get("output_currency")
# amount and input_currency are required
if amount is None or input_currency is None:
abort(400)
# amount has to be valid float
try:
amount = float(amount)
except ValueError:
abort(400)
c = CurrencyConverter()
# handle errors from conversion
try:
output = c.convert(amount, input_currency, output_currency)
except (HTTPError, ConnectionError):
abort(503) # server error, API unavailable
except KeyError:
abort(400) # client error, invalud currency code
return jsonify(output)
def convert_in(self, to_currenty: str):
try:
el = CurrencyConverter()
return Ccy(round(
el.convert(self.currency, to_currenty.upper(), self.suma), 2),
to_currenty)
except KeyError as e:
print(e)
def all(self, other, operation):
try:
if str(other).isdigit():
return operation(self.suma, other)
else:
el = CurrencyConverter()
new_suma = el.convert(other.currency,
self.currency, other.suma)
return operation(self.suma, new_suma)
except KeyError as e:
print(e)
parser.add_argument(
"--amount", help="Enter amount to convert", type=float, required=True
)
parser.add_argument(
"--input_currency",
help="Enter 3-letter code or symbol of currency, which you want to convert from",
type=str,
required=True,
)
parser.add_argument(
"--output_currency",
help="Enter 3-letter code or symbol of currency, which you want to convert to (if not specified, converts to all available currencies)",
type=str,
)
args = parser.parse_args()
c = CurrencyConverter()
try:
output_json = json.dumps(
c.convert(args.amount, args.input_currency, args.output_currency)
)
except (HTTPError, ConnectionError):
output_json = json.dumps(
{"error": "Currency API is not available at this time."}
)
except KeyError as err:
output_json = json.dumps({"error": f"{err} is not a valid currency code."})
print(output_json)
