authorizedialog.py

import sys, qrcode, logging, requests, time, os
from io import BytesIO

from PyQt5.QtWidgets import QDialog
from PyQt5.QtCore import pyqtSignal as Signal
from PyQt5.QtCore import QThread
from PyQt5.QtGui import QPixmap
from PyQt5 import uic

from authorization import Authorization

logging.basicConfig(stream=sys.stdout, level=logging.DEBUG)
logger = logging.getLogger()

class AuthorizeDialog(QDialog):

    authorize = None
    def __init__(self, parent):
        QDialog.__init__(self, parent)
        self.parent = parent
        self.ui = uic.loadUi(os.path.join(os.path.dirname(os.path.abspath(__file__)), "authorizedialog.ui"), self)

        self.authorize = Authorization()
        self.ui.cancelButton.clicked.connect(self.cancelAuth)
        self.authorize.signalSetAuthLink.connect(self.setAuthLink)
        self.authorize.signalDisplayError.connect(self.displayError)
        self.authorize.signalAuthApproval.connect(super().hide)

    def show(self):
        logger.debug("show")
        self.errorLabel.setText('')
        super().show()
        self.authorize.start()

    def closeEvent(self, event):
        logger.debug("exiting AuthorizeDialog...")
        if self.authorize.isRunning():
            self.authorize.terminate()
        super().hide()

    def cancelAuth(self):
        logger.debug("cancel Authorization")
        if self.authorize.isRunning():
            self.authorize.terminate()
        super().hide()
        self.parent.setFocus()
        self.parent.activateWindow()

    def displayError(self, msg):
        logger.debug(f"Error: {msg}")
        error = f'<b style="color:red;">Error: {msg}</b>'
        self.errorLabel.setText(error)

    def setAuthLink(self, link):
        logger.debug(f"authLink: {link}")
        buf = BytesIO()
        img = qrcode.make(link)
        img.save(buf, "PNG")
        pixmap = QPixmap()
        pixmap.loadFromData(buf.getbuffer().tobytes())
        self.ui.qrCode.setPixmap(pixmap)
        self.ui.qrCode.setScaledContents(True)

        self.ui.authorizationLink.setOpenExternalLinks(True)
        link = f'<a href="{link}" target="_AUTHENIX">{link}</a>'
        self.ui.authorizationLink.setText(link)