Html download empty file

Apr 27, 2015 Creating a download link in HTML is straightforward; add an anchor tag and point to the file within the href attribute. Some file types, however, 

In this chapter we will teach you how to create and write to a file on the server. All the existing data will be ERASED and we start with an empty file.

This doesn't happen for all files, but this is probably the 3-4 time I've had this issue for different files from this site. I download a file and then nothing. When I look 

Sep 11, 2019 This specification provides an API for representing file objects in web i.e. when the input element is in the File Upload state [HTML]. If the type member of the options argument is not the empty string, Blob URLs can also be used to navigate to as well as to trigger downloads of locally generated data. Let's consider that we have a page with a download button for some file: try: return render_template('downloads.html') except Exception as e: return str(e)