Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms...." , "testdata" , "qr.png" )) with open ( file_name...__file__ ), ".." , "testdata" , "qr.png" )) with open ( file_name...