propusk/module/Printer.py

from PySide6.QtWidgets import QDialog
from PySide6.QtPrintSupport import QPrintDialog, QPrinter
from PySide6.QtGui import QPainter, QPixmap, QPageSize
from PySide6.QtCore import Qt
from module.wkhtmltopdf import create_pdf
from pdf2image import convert_from_path
import time
from platform import system


class Print:
    def __init__(self, text: str) -> None:
        
        self.printer = QPrinter()
        self.printer.setFullPage(True)
        self.printer.setPageSize(QPageSize.A4)
        
        pdf = create_pdf(text)

        time.sleep(5)

        image = None
        if system() in 'Windows':
            image = convert_from_path(pdf, dpi=600, poppler_path=r'poppler\bin')[0].toqimage()
        else: 
            image = convert_from_path(pdf, dpi=600)[0].toqimage()

        image = QPixmap.fromImage(image)
        image = image.scaledToWidth(self.printer.width(), Qt.SmoothTransformation)
        
        dialog = QPrintDialog(self.printer)
        if dialog.exec() == QDialog.Accepted:
            self.handle_paint_request(image)

        
    def handle_paint_request(self, im):
        painter = QPainter(self.printer)
        
        painter.drawPixmap(0, 0, im)
        painter.end()