Requirements

• Python Imaging Library

Features

• supports EXIF thumbnail
• supports Adobe Photoshop thumbnail
• import a partial JPEG data

An example

from cStringIO import StringIO
import Image
import JpegThumbnail

try:
    thumbnail = JpegThumbnail.read(filelikeobject or filename)
except JpegThumbnail.error:
    "parse error"
except IOError:
    "open or read error"
else:
    im = Image.open(StringIO(thumbnail))
    im.show()

Notes

• In most case, JPEG thumbnail size is about 100 pixel.
• In most case, thumbnail is found in early 10KiB of file data. In bad case, it's found in ealry 100KiB.

History