def convertCurrency():
"""
Convert from one currency to other.
"""
try:
click.echo(chalk.blue("Enter currency codes seperated by space:"))
currency_name_from, currency_name_to = input().split()
currency_rate_per_unit = currency_rates.get_rates(
currency_name_from)[currency_name_to]
click.echo(
currency_codes.get_symbol(currency_name_from) + " 1" + " = " +
currency_codes.get_symbol(currency_name_to) + " " +
str(currency_rate_per_unit))
click.echo("Enter the amount in " + currency_name_from +
" to be converted to " + currency_name_to)
currency_amount_to_be_converted = int(input())
converted_amount = convert(currency_name_from, currency_name_to,
currency_amount_to_be_converted)
click.echo(
str(currency_amount_to_be_converted) + " " + currency_name_from +
" = " + str(converted_amount) + " " + currency_name_to)
except RatesNotAvailableError:
click.echo(
chalk.red(
"Currency code does not exist. Try with some other currency code"
))
except:
click.echo(chalk.red("Something went wrong. Try again!"))
def convert_money(val_from, val_to, amount):
ans = input('Желаете ввести дату?\n1 - Да\n2 - Нет\n')
while ans != '1' or ans != '2':
if ans == '1':
date = input('Введите дату в формате DD.MM.YYYY: ').split('.')
write_to_file(val_from, val_to, amount, int(date[2]), int(date[1]),
int(date[0]))
return round(
convert(val_from,
val_to,
amount,
date_obj=datetime.date(int(date[2]), int(date[1]),
int(date[0]))), 3)
elif ans == '2':
write_to_file(val_from, val_to, amount)
return round(convert(val_from, val_to, amount), 3)
else:
ans = input('Ошибка ввода, попробуйте еще: ')
def perevod(convert_from, convert_to, kol):
print('Вводить дату? (Y/N): ')
vvod = input()
while vvod != 'Y' or vvod != 'N' or vvod != 'y' or vvod != 'n':
if vvod == 'y' or vvod == 'Y':
date = get_date()
into_file(convert_from, convert_to, kol, date[2], date[1], date[0])
return round(
convert(convert_from,
convert_to,
kol,
date_obj=datetime.date(date[2], date[1], date[0])), 2)
elif vvod == 'n' or vvod == 'N':
print('Дата установлена текущая')
into_file(convert_from, convert_to, kol,
datetime.datetime.today().year,
datetime.datetime.today().month,
datetime.datetime.today().day)
return round(convert(convert_from, convert_to, kol), 2)
else:
print('Ошибка ввода, попробуйте еще: ')
vvod = input()
def main(argv):
period = 10
while True:
print('#####')
##this code is executed every period
##update quariga trading summary and the quadriga order book
quadriga_summary.update()
order_book.update()
##update price from bitfinex, convert to CAD and append to the price history list
priceticker = fiat.convert(
'USD', 'CAD',
bf_client.ticker(settings.CURRENCY + 'usd')['mid'])
price_history.appendPrice(priceticker)
ma5 = price_history.getMovingAverageForMinutes(1)
ema20 = price_history.getExpMovingAverageForMinutes(1)
print("MA5: ", ma5)
print("EMA: ", ema20)
##BUY
if (priceticker > price_history.getMovingAverage()):
print('avove total MA, price increasing..')
if (ma5 is None):
print('no ma5 YET..')
else:
#print('ma5: ', ma5)
if (analysis.checkIfGoodDeal(float(order_book.asks[0][0]),
priceticker, True)):
print("buy this: ", order_book.asks[0])
print('its a good deal as the bitfinex price is: ',
priceticker)
##SELL
if (priceticker < price_history.getMovingAverage()):
print('under total MA, price decreasing..')
if (ma5 is None):
print('no MA5 yet..')
else:
#print('ma5: ', ma5)
if (analysis.checkIfGoodDeal(float(order_book.bids[0][0]),
priceticker, False)):
print("sell this: ", order_book.bids[0])
print('its a good deal as the bitfinex price is: ',
priceticker)
time.sleep(period) ##rest 10 seconds (end of loop)
def write_to_file(val_from,
val_to,
amount,
year=datetime.datetime.today().year,
month=datetime.datetime.today().month,
day=datetime.datetime.today().day):
file = open('history.txt', 'a')
file.write(
'Конвертировал ' + str(amount) + ' ' + str(val_from) + ' в ' +
str(val_to) + ' по курсу ' + str(
round(
get_rate(val_from,
val_to,
date_obj=datetime.date(year, month, day)), 3)) +
' и получил ' + str(
round(
convert(val_from,
val_to,
amount,
date_obj=datetime.date(year, month, day)), 3)) + '\n')
file.close()
def test_amount_convert_date(self):
date_obj = datetime.datetime.strptime('2010-05-10', "%Y-%m-%d").date()
amount = convert('USD', 'INR', 10, date_obj)
# test if amount returned in float
self.assertTrue(isinstance(amount, float))
def test_amount_convert_valid_currency(self):
amount = convert('USD', 'INR', 10)
# test if amount returned in float
self.assertTrue(isinstance(amount, float))
def test_amount_convert_valid_currency_same_currency(self):
amount = convert('USD', 'USD', 10)
self.assertEqual(amount, float(10))
def test_amount_convert_date(self):
date_obj = datetime.datetime.strptime('2010-05-10', "%Y-%m-%d").date()
amount = convert('USD', 'INR', 10, date_obj)
# test if amount returned in float
self.assertTrue(isinstance(amount, float))
def test_amount_convert_valid_currency_same_currency(self):
amount = convert('USD', 'USD', 10)
self.assertEqual(amount, float(10))
def test_amount_convert_valid_currency(self):
amount = convert('USD', 'INR', 10)
# test if amount returned in float
self.assertTrue(isinstance(amount, float))
# https://pypi.org/project/CurrencyConverter/
# https://stackoverflow.com/questions/44604440/forex-historical-data-in-python
import pandas as pd
from datetime import date, datetime
from forex_python.converter import get_rate, convert
my_cols = ['TransID', 'Date', 'Currency', 'Net']
df = pd.read_csv('example_data.txt', names=my_cols, sep=',')
df = df.drop(df.index[0])
df.head()
df.columns
df['TransID']
df['Date']
df['Currency']
df['Net']
for index, row in df.iterrows():
# print(row['Date'], row['Net'])
curr = 'USD'
am = float(row['Net'])
t1 = row['Date']
t2 = str.split(t1, '-')
y, m, d = int(t2[0]), int(t2[1]), int(t2[2])
# c = CurrencyConverter()
# c.convert(am, 'USD', 'EUR',date=date(y, m, d)) # converts from USD to EUR
t = datetime(y, m, d)
converted = (convert('USD', 'EUR', am, t)) # with forex_python
print(row['Date'], y, m, d, am, converted)
from forex_python.converter import convert
print('Conversion from USD to PHP: ₱{:,.2f}'.format(
convert("USD", "PHP", 56000)))
def main(args):
# argument parser setup
parser = argparse.ArgumentParser(description='currency converter')
parser.add_argument('-a',
'--amount',
type=float,
help='Amount to convert',
required=True)
parser.add_argument('-i',
'--input_currency',
type=str,
help='Currency to convert',
required=True)
parser.add_argument('-o',
'--output_currency',
type=str,
help='Currency to be converted to',
required=False)
if args:
arguments = parser.parse_args(args)
else:
arguments = parser.parse_args()
# get currency exchange rates
converter = forex_python.converter.CurrencyRates()
output = {}
# check input arguments, convert symbols to 3 letter code
if len(arguments.input_currency) > 3:
fatalError("Invalid input currency!")
else:
input_currency = symbol_converter(arguments.input_currency)
if arguments.output_currency:
if len(arguments.output_currency) > 3:
fatal_error("Invalid output currency!")
else:
output_currency = symbol_converter(arguments.output_currency)
# convert input currency to desired output currency
try:
output[arguments.output_currency] = converter.convert(
input_currency, output_currency, arguments.amount)
except (forex_python.converter.RatesNotAvailableError,
forex_python.converter.DecimalFloatMismatchError):
fatal_error("Unable to convert, "
"chceck currency format or "
"if currency you've entered is supported.")
output = {
symbol_converter(key): round(value, 3)
for key, value in output.items()
}
else:
# convert input currency to all availible currencies
try:
currency_dict = converter.get_rates(input_currency)
except (forex_python.converter.RatesNotAvailableError,
forex_python.converter.DecimalFloatMismatchError):
fatal_error("Unable to convert, "
"chceck input currency format or "
"if currency you've entered is supported.")
output = {
key: round(value * arguments.amount, 3)
for key, value in currency_dict.items()
}
del output[input_currency]
# print or return results in specified format
result = json.dumps(
{
"input": {
"amount": arguments.amount,
"currency": input_currency
},
"output": output
},
indent=4)
if args:
return result
else:
print(result)
