marisol.py 文件源码

def apply(self):
        """
        Applies all requested overlays to the page

        Returns:
            bool
        """
        for overlay in self.document.overlays.values():
            if isinstance(overlay, BatesOverlay):
                overlay.text = self.number
                overlay.apply(self.canvas)
            elif isinstance(overlay, GenericTextOverlay):
                overlay.apply(self.canvas)

        for redaction in self.redactions:
            redaction.apply(self.canvas)

        self.canvas.showPage()
        self.canvas.save()

        self.canvas_file.seek(0)
        reader = PdfFileReader(self.canvas_file)
        overlay_page = reader.getPage(0)
        self.page.mergePage(overlay_page)
        return True