app/django/utils/images.py
author Todd Larsen <tlarsen@google.com>
Wed, 01 Oct 2008 20:52:39 +0000
changeset 251 8f23804302d0
parent 54 03e267d67478
permissions -rw-r--r--
Move path and link_name related functions and regex patterns to a new soc/logic/path_linkname.py module, and fix all dependencies. path/link_name functionality is becoming the generic way to identify entities in the Datastore in a URL-compatible way.

"""
Utility functions for handling images.

Requires PIL, as you might imagine.
"""

import ImageFile

def get_image_dimensions(path):
    """Returns the (width, height) of an image at a given path."""
    p = ImageFile.Parser()
    fp = open(path, 'rb')
    while 1:
        data = fp.read(1024)
        if not data:
            break
        p.feed(data)
        if p.image:
            return p.image.size
            break
    fp.close()
    return None