def testWrite(self):
text = 'foobar'
doc = QTextDocument(text)
b = QBuffer()
b.open(QBuffer.ReadWrite)
writer = QTextDocumentWriter(b, "plaintext")
writer.write(doc)
b.close()
self.assertEqual(b.buffer(), text)
def show_qr_code(self):
buffer_png = QBuffer()
buffer_png.open(QIODevice.ReadWrite)
self.text = self.le_qr_code.text()
self.fg_color = self.btn_fg.palette().button().color().name()
self.bg_color = self.btn_bg.palette().button().color().name()
self.scale = self.sb_scale.value()
qrcode = pyqrcode.create(self.text)
qrcode.png(file=buffer_png,
scale=self.scale,
module_color=self.fg_color,
background=self.bg_color)
pixmap_png = QPixmap()
pixmap_png.loadFromData(buffer_png.buffer())
self.lb_qr_img_info.setText(
f'QR Code com {pixmap_png.width()}x{pixmap_png.height()}')
self.lb_qr_img.setPixmap(pixmap_png)
buffer_png.close()
self.btn_save_qr.setEnabled(True)
