def result(start, end, amt) :
""" Returns string that states starting and ending currencies as well as the final amount """
amt_dec = Decimal(amt) # This will allow for input to be either float or integer
end_amt = round(cr.convert(start.upper(), end.upper(), amt_dec), 2) # Conversion function from forex converter
curr_symbol = cd.get_symbol(end) # Retrieves symbol for ending currency
response = f"""{curr_symbol}{end_amt}"""
return response
def get_result(convert_from, convert_to, amount):
amount = float(amount)
rates = CurrencyRates(force_decimal=True)
result_amount = rates.convert(convert_from, convert_to, Decimal(amount))
symbol = CurrencyCodes().get_symbol(convert_to)
return f'{symbol} {result_amount:.2f}'
def code_is_valid(code) :
""" Returns true if valid currency code and false if not """
try:
if not type(code) == str:
return False
amt = cr.convert(code.upper(), 'USD', Decimal(20.00))
return True
except RatesNotAvailableError:
return False
def flash_conversion(firstCurr, secondCurr, amount):
s = CurrencyCodes()
c = CurrencyRates()
symbol = s.get_symbol(secondCurr)
result = c.convert(firstCurr, secondCurr, Decimal(amount))
formatted_result = "{:,.2f}".format(result)
flash_message = f'{symbol} {formatted_result}'
flash(flash_message, 'success')
def convert_currency():
'''
Converts from one currency to another based on the amount entered
str(c.convert('USD', 'USD', 1))
convert from the same currency in order to test the conversions are working
str(c.convert('USD', 'JPY', 100))
str(c.convert('AAA', 'BBB', 1000))
this one should create an error
'''
cur1 = request.args["cur1"]
cur2 = request.args["cur2"]
amount = Decimal(request.args["amount"])
try:
return str(c.convert(cur1, cur2, amount))
except:
flash('An error occured')
return redirect('/')
def convert():
""" Display converted amount"""
if request.method == 'POST':
# storing three form inputs into variables
first_currency = request.form.get("convert-from")
second_currency = request.form.get("convert-to")
amt = request.form.get("amount")
# write 3 validation in the form of if statements
if (first_currency in legit_currencies
and second_currency in legit_currencies
and amt.isalpha() is False):
# if first_currency in legit_currencies
# if they all pass, this is the HAPPY path
currency_rate = CurrencyRates(force_decimal=True)
converted_amount = round(
currency_rate.convert(first_currency, second_currency,
Decimal(amt)), 2)
return render_template('converter.html',
converted_amt=converted_amount)
else:
return render_template('base.html',
first_currency=first_currency,
second_currency=second_currency,
error=True)
def convert(self, cf, ct, amt):
c = CurrencyRates(force_decimal=True)
result = c.convert(cf, ct, Decimal(amt))
return round(result, 2)
def calc_conversion(convert_from, convert_to, amount):
symbol = cc.get_symbol(f'{convert_to}')
conversion = c.convert(f'{convert_from}', f'{convert_to}',
Decimal(f'{amount}'))
return f'{symbol}{round(conversion, 2)}'
def converter(start, end, initAmt):
curr_decimal = CurrencyRates(force_decimal=True)
amt_dec = Decimal(initAmt)
result = round(curr_decimal.convert(start, end, amt_dec), 2)
return result