The imghdr Module

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

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Threads and Processes

Data Representation

File Formats

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Python Standard Library
Python Standard Library (Nutshell Handbooks) with
ISBN: 0596000960
EAN: 2147483647
Year: 2000
Pages: 252
Authors: Fredrik Lundh

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