Dec-26-2020, 09:15 PM
Hello,
I am getting this error:
https://realpython.com/python-pyqt-gui-calculator/
I am trying for hours to fix the problem without any success. Do you see the error??
I am getting this error:
Error:UbuntuUser@ubuntu:~/Desktop/PyQT$ python3 pycalc.py
File "pycalc.py", line 80
for btnText, pos in buttons.items():
^
TabError: inconsistent use of tabs and spaces in indentation
when running this code: # Filename: pycalc.py """PyCalc is a simple calculator built using Python and PyQt5.""" import sys # Import QApplication and the required widgets from PyQt5.QtWidgets from PyQt5.QtWidgets import QApplication from PyQt5.QtWidgets import QMainWindow from PyQt5.QtWidgets import QWidget from PyQt5.QtCore import Qt from PyQt5.QtWidgets import QGridLayout from PyQt5.QtWidgets import QLineEdit from PyQt5.QtWidgets import QPushButton from PyQt5.QtWidgets import QVBoxLayout from functools import partial __version__ = '0.1' __author__ = 'Leodanis Pozo Ramos' # Create a subclass of QMainWindow to setup the calculator's GUI class PyCalcUi(QMainWindow): """PyCalc's View (GUI).""" def __init__(self): """View initializer.""" super().__init__() # Set some main window's properties self.setWindowTitle('PyCalc') self.setFixedSize(800, 600) # Set the central widget and the genral layout self.generalLayout = QVBoxLayout() self._centralWidget = QWidget(self) self.setCentralWidget(self._centralWidget) # Create the display and the buttons self._createDisplay() self._createButtons() def _createDisplay(self): """Create the display""" # Create the display widget self.display = QLineEdit() # Set some display's properties self.display.setFixedHeight(35) self.display.setAlignment(Qt.AlignRight) self.display.setReadOnly(True) # Add the display to the general layout self.generalLayout.adddWidget(self.display) def _createButtons(self): """Create the buttons""" self.buttons = {} buttonsLayout = QGridLAyout() # Button text | position on the QGridLayout buttons = {'7': (0,0), '8': (0,1), '9': (0,2), '/': (0,3), 'C': (0,4), '4': (1,0), '5': (1,1), '6': (1,2), '*': (1,3), '(': (1,4), '1': (2,0), '2': (2,1), '3': (2,2), '-': (2,3), ')': (2,4), '0': (3,0), '00': (3,1), '.': (3,2), '+': (3,3), '=': (3,4), } # Create the buttons and add them to the grid layout for btnText, pos in buttons.items(): self.buttons[btnText] = QPushButton(btnText) self.buttons[btnText].setFixedSize(40, 40) buttonsLayout.addWidget(self.buttons[btnText], pos[0], pos[1]) # Add buttonsLayout to the general layout self.generalLayout.addLayout(buttonsLayout) class PyCalcUI(QMainWindow): # Snip def setDisplayText(self, text): """Set display's text. """ self.display.setText(text) self.display.setFocus() def displayText(self): """Get display's text.""" return self.display.text() def clearDisplay(self): """Clear the display.""" self.setDisplayText('') class PyCalcCtrl: """PyCalc Controller class.""" def __init__(self, view): """Controller initiallizer.""" self._view = view # Connect signals and slots self._connectSignals() def _buildExpression(self, sub_exp): """Build expression.""" expression = self._view.displayText() + sub_exp self._view.setDisplayText(expression) def _connectSignals(self): """Connect signal and slots.""" for btnText, btn in self._view.buttons.items(): if btnText not in {'=', 'C'}: btn.clicked.connect(partial(self._buildExpression, btnText)) self._view.buttons['C'].clicked.connect(self._view.clearDisplay) # Client code def main(): """Main function.""" # Create an instance of QApplication pycalc = QApplication(sys.argv) # Show the calculator's GUI view = PyCalcUi() view.show() # Create instance of the model and the controller PyCalcCtrl(view = view) # Execute the calculator's main loop sys.exit(pycalc.exec_()) if __name__ == '__main__': main()I took the code from this website:
https://realpython.com/python-pyqt-gui-calculator/
I am trying for hours to fix the problem without any success. Do you see the error??