gui.py

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QFileDialog, QTextEdit, QPushButton, QVBoxLayout, QWidget

class MainWindow(QMainWindow):
    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)
        self.setWindowTitle("Python Learning Tool")

        # Initialize widgets
        self.textEdit = QTextEdit()
        self.uploadButton = QPushButton("Upload .py file")
        self.downloadButton = QPushButton("Download .apkg file")

        # Connect signals and slots
        self.uploadButton.clicked.connect(self.upload_file)
        self.downloadButton.clicked.connect(self.download_file)

        # Set layout
        layout = QVBoxLayout()
        layout.addWidget(self.textEdit)
        layout.addWidget(self.uploadButton)
        layout.addWidget(self.downloadButton)
        mainWidget = QWidget()
        mainWidget.setLayout(layout)
        self.setCentralWidget(mainWidget)

    def upload_file(self):
        options = QFileDialog.Options()
        fileName, _ = QFileDialog.getOpenFileName(self, "QFileDialog.getOpenFileName()", "", "Python Files (*.py)", options=options)
        if fileName:
            with open(fileName, 'r') as file:
                self.textEdit.setText(file.read())

    def download_file(self):
        options = QFileDialog.Options()
        fileName, _ = QFileDialog.getSaveFileName(self, "QFileDialog.getSaveFileName()", "", "Anki Package (*.apkg)", options=options)
        if fileName:
            # TODO: Implement the functionality to generate and download .apkg file
            pass

if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = MainWindow()
    window.show()
    sys.exit(app.exec_())