OK the problem is most likely the way you call the images from ZODB. I am a bit new at this, but generally python scripts see zope objects as string objects and not files. this means that you can't do 'file' things with them by default. You need to use the StringIO function to allow you to open the Zope object as if it were a file. I spent many angry hours working this out too. In the end I came up with this function (partly stolen from other places and partly mine). It should help you work it out. Tom ===================================== def makeThumbnail(self, original_id, size=128): """ Makes a thumbnail image given an image Id when called on a Zope folder. The thumbnail is a Zope image object that is a small JPG representation of the original image. The thumbnail has a 'original_id' property set to the id of the full size image object. """ from PIL import Image from StringIO import StringIO import os.path # create a thumbnail image file original_image=getattr(self, original_id) original_file=StringIO(str(original_image.data)) image=Image.open(original_file) image=image.convert('RGB') image.thumbnail((size,size)) thumbnail_file=StringIO() image.save(thumbnail_file, "JPEG") thumbnail_file.seek(0) # create an id for the thumbnail path, ext=os.path.splitext(original_id) thumbnail_id=path + '.tn' + str(size) + '.jpg' # if there's and old thumbnail, delete it if thumbnail_id in self.objectIds(): self.manage_delObjects([thumbnail_id]) # create the Zope image object self.manage_addProduct['OFSP'].manage_addImage(thumbnail_id, thumbnail_file, 'thumbnail image') thumbnail_image=getattr(self, thumbnail_id) # set the 'originial_id' property thumbnail_image.manage_addProperty('original_id', original_id, 'string') ===================================== => -----Original Message----- => From: Sylvain Boureliou [mailto:sylvain.boureliou@msg-software.com] => Sent: Thursday, 6 September 2001 10:22 PM => To: 'Tom Cameron' => Subject: RE: [Zope] Problem with ThumbNail Image => => => In fact i would like to convert on the fly jpg images in thumbnail with => Python script. => Images are in the ZODB. => => def ThumbNail(self, image): => import Image, os, sys => texte = "ok" => img = Image.open(image) --------->>> ERROR !! => img.thumbnail((50, 50)) => img.save('essaiThumbnail.jpg', "JPEG") => return img => => It doesn't work ! => It works if the jpg image is in the file system and if i use the => script from => the Python command line !!!. => => => => => -----Message d'origine----- => De : Tom Cameron [mailto:tom@cameron.to] => Envoyé : jeudi 6 septembre 2001 06:31 => À : sylvain.boureliou@msg-software.com => Objet : RE: [Zope] Problem with ThumbNail Image => => => Clarify where the image is. do you mean the OS file system or in => the ZODB? => => Tom => => => -----Original Message----- => => From: zope-admin@zope.org [mailto:zope-admin@zope.org]On Behalf Of => => Sylvain Boureliou => => Sent: Tuesday, 4 September 2001 11:51 PM => => To: zope@zope.org => => Subject: [Zope] Problem with ThumbNail Image => => => => => => Hi all => => => => I would like to create a thumbnail from a jpeg file. => => Here is the fonction i use : => => => => def ThumbNail(self): => => import Image, os, sys => => texte = "ok" => => img = Image.open("essai.jpg") => => img.thumbnail((50, 50)) => => img.save('essaiThumbnail.jpg', "JPEG") => => return texte => => => => The file "essai.jpg" is in the Zope directory. => => It works very well from the Python command line, but it doesn't => => work when i => => use it in an external method. => => Zope finds the file but this error is raised : => => => => (i'm using Zope 2.4 win32 - Python 2.1 - PIL 1.1.1) => => Error Type: IOError => => Error Value: cannot identify image file => => .... => => File C:\Program Files\zope\Extensions\ScriptsEpinet.py, line 24, in => => ThumbNail => => File c:\python21\pil\Image.py, line 902, in open => => IOError: (see above) => => => => => => Thanks very much for help. => => => => Sylvain => => => => => => _______________________________________________ => => Zope maillist - Zope@zope.org => => http://lists.zope.org/mailman/listinfo/zope => => ** No cross posts or HTML encoding! ** => => (Related lists - => => http://lists.zope.org/mailman/listinfo/zope-announce => => http://lists.zope.org/mailman/listinfo/zope-dev ) => => => =>