## SystemFontSource class Represents all TrueType fonts installed to the system. To learn more, visit the [Working with Fonts](https://docs.aspose.com/words/python-net/working-with-fonts/) document....../fontsourcebase/)) | | [type](./type/) | Returns the type of the font source...SYSTEM_FONTS, system_font_source.type) self.assertEqual(0, system_font_source...