class Main(Ui_MainWindow, QtWidgets.QMainWindow):
def __init__(self):
super().__init__()
self.about: About = None
self.norm_table: Dict[int:float] = None
self.btc_table: Dict[int:float] = None
self.num_from_c = None
self.norm_rates()
self.init_ui()
self.signals()
self.separator(1)
self.cc_show()
def init_ui(self):
self.setupUi(self)
self.setFixedSize(290, 200)
self.menuSeparator.setToolTipsVisible(True)
self.actiontext.setToolTip('By default it\'s Dot')
self.show()
def signals(self):
self.btc.triggered.connect(self.cc_show)
self.exchange.clicked.connect(self.change_rates)
self.btc_rates_btn.clicked.connect(self.btc_rates)
self.firstC.currentIndexChanged.connect(self.norm_operations)
self.secondC.currentIndexChanged.connect(self.norm_operations)
self.secondC_2.currentIndexChanged.connect(self.btc_operations)
self.firstCINP.textChanged.connect(self.norm_operations)
self.firstCINP_2.textChanged.connect(self.btc_operations)
self.actionRates.triggered.connect(self.norm_rates)
self.actionDot.triggered.connect(lambda: self.separator(1))
self.actionComma.triggered.connect(lambda: self.separator(22))
self.actionAbout.triggered.connect(self.initiate_about)
@property
def index_first_c(self) -> int:
return self.firstC.currentIndex()
@property
def index_second_c(self) -> int:
return self.secondC.currentIndex()
@property
def index_second_c_btc(self) -> int:
return self.secondC_2.currentIndex()
def change_rates(self):
index_one, index_two = self.index_first_c, self.index_second_c
self.secondC.setCurrentIndex(index_one)
self.firstC.setCurrentIndex(index_two)
def norm_rates(self):
try:
params_for_var = 'USD,BGN,RUB,HRK,INR,NOK,PLN,TRY'
request_api = requests.get(
f'https://api.exchangeratesapi.io/latest?symbols={params_for_var}',
timeout=2)
norm_value = request_api.json()
except requests.ConnectionError:
QtWidgets.QMessageBox.critical(
self, 'Connection Error', 'There was a network error.'
'\nTry to download the rates manually'
'\nby pressing <Rates> button in <Help> menu')
return None
except:
return None
self.norm_table = {
0: 1,
1: norm_value['rates']['USD'],
2: norm_value['rates']['BGN'],
3: norm_value['rates']['RUB'],
4: norm_value['rates']['HRK'],
5: norm_value['rates']['INR'],
6: norm_value['rates']['NOK'],
7: norm_value['rates']['PLN'],
8: norm_value['rates']['TRY'],
}
def btc_rates(self):
try:
request_api = requests.get('https://blockchain.info/ticker')
btc_value = request_api.json()
except requests.ConnectionError:
QtWidgets.QMessageBox.critical(
self, 'Connection Error', 'There was a network error.'
'\nTry to download the rates manually'
'\nby pressing <Rates> button in <Help> menu')
return None
except:
return None
self.btc_table = {
0: btc_value['EUR']['last'],
1: btc_value['USD']['last'],
2: btc_value['USD']['last'],
3: btc_value['RUB']['last'],
4: btc_value['INR']['last'],
}
def norm_operations(self):
if len(self.firstCINP.text()) == 0:
self.secondCOUT.clear()
return None
try:
str_inp = self.firstCINP.text()
self.num_from_c = float(str_inp.replace(',', '.'))
out = self.rates_return()
format_and_round = format(round(out, 3), ',')
self.secondCOUT.setText(format_and_round)
except:
return None
def btc_operations(self):
if len(self.firstCINP_2.text()) == 0:
self.secondCOUT_2.clear()
return None
try:
str_inp = self.firstCINP_2.text()
self.num_from_c = float(str_inp.replace(',', '.'))
out = self.btc_return()
format_and_round = format(round(out, 3), ',')
self.secondCOUT_2.setText(format_and_round)
except:
return None
def rates_return(self) -> float:
return (self.num_from_c * self.norm_table[self.index_second_c]
) / self.norm_table[self.index_first_c]
def btc_return(self) -> float:
if self.secondC_2.currentIndex() == 2:
return (self.num_from_c * self.btc_table[0]) * self.norm_table[2]
return self.num_from_c * self.btc_table[self.index_second_c_btc]
def separator(self, sep: int):
var = QtGui.QDoubleValidator(
QtCore.QLocale.setDefault(QtCore.QLocale(sep)))
self.firstCINP.clear()
self.secondCOUT.clear()
self.firstCINP_2.clear()
self.secondCOUT_2.clear()
self.firstCINP.setValidator(var)
self.firstCINP_2.setValidator(var)
def cc_show(self):
if self.btc.isChecked():
self.frame_8.show()
self.line.show()
self.setFixedSize(290, 370)
self.btc_rates()
else:
self.frame_8.close()
self.line.close()
self.firstCINP_2.clear()
self.secondCOUT_2.clear()
self.setFixedSize(290, 200)
def initiate_about(self):
self.about = About()
self.about.setFixedSize(398, 280)
self.about.show()
