identification

How to check type of files without extensions? Question: I have a folder full of files and they don’t have an extension. How can I check file types? I want to check the file type and change the filename accordingly. Let’s assume a function filetype(x) returns a file type like png. I want to do …

How to check if a file is a valid image file? Question: I am currently using PIL. from PIL import Image try: im=Image.open(filename) # do stuff except IOError: # filename not an image file However, while this sufficiently covers most cases, some image files like, xcf, svg and psd are not being detected. Psd files …