The imghdr module identifies different image file formats. The current version identifies bmp, gif, jpeg, pbm, pgm, png, ppm, rast (Sun raster), rgb (SGI), tiff, and xbm images. Example 9-1 demonstrates.
Example 9-1. Using the imghdr Module
File: imghdr-example-1.py import imghdr result = imghdr.what("samples/sample.jpg") if result: print "file format:", result else: print "cannot identify file" file format: jpeg
import Image im = Image.open("samples/sample.jpg") print im.format, im.mode, im.size
Core Modules
More Standard Modules
Threads and Processes
Data Representation
File Formats
Mail and News Message Processing
Network Protocols
Internationalization
Multimedia Modules
Data Storage
Tools and Utilities
Platform-Specific Modules
Implementation Support Modules
Other Modules