view MoinMoin/filter/image_jpeg.py @ 4510:6180f7b85a45

Modernized theme: make nonexistent links gray also when the yare already visited
author Radomir Dopieralski <moindev@sheep.art.pl>
date Sat, 24 Jan 2009 21:49:44 +0100
parents 6275f8695bc8
children
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# -*- coding: iso-8859-1 -*-
"""
    MoinMoin - image/jpeg Filter

    @copyright: 2006 MoinMoin:ThomasWaldmann
    @license: GNU GPL, see COPYING for details.
"""
from MoinMoin.filter import EXIF

def execute(indexobj, filename):
    """ Extract some EXIF data """
    try:
        f = file(filename, 'rb')
        tags = EXIF.process_file(f)
        f.close()
        # get rid of some big stuff:
        try:
            del tags["JPEGThumbnail"]
        except:
            pass
        try:
            del tags["EXIF MakerNote"]
        except:
            pass
        data = str(tags).decode('utf-8')
    except (ValueError, TypeError, KeyError): # EXIF throws ValueError on unknown tags
                                              # TypeError on other occassions
                                              # KeyError too
        data = u''
    return data