Have you tried upgrading your local imaging library (PIL) to 1.1.7? http://www.pythonware.com/products/pil/#pil117 http://code.google.com/intl/pt-PT/appengine/docs/python/images/installingPIL.html
According to the CHANGES file, it's supposed to fix this issue: """ + Read interlaced PNG files (from Conrado Porto Lopes Gouvêa) """ hth, Nuno On Sun, Apr 4, 2010 at 1:14 PM, kaojinz <[email protected]> wrote: > when working local, IOError: cannot read interlaced PNG files > > Anyone know how to solve this? > > > Traceback (most recent call last): > File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/ > GoogleAppEngi ne-default.bundle/Contents/Resources/google_appengine/ > google/appengine/ext/ webapp/__init__.py", line 512, in __call__ > handler.post(*groups) > File "/Users/user1/Documents/workspace/simcodi1/appengine/main.py", > line 75, in post > item.thumbnail = db.Blob(images.resize(image, 100, 100)) > File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/ > GoogleAppEngi ne-default.bundle/Contents/Resources/google_appengine/ > google/appengine/api/ images/__init__.py", line 625, in resize > return image.execute_transforms(output_encoding=output_encoding) > File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/ > GoogleAppEngi ne-default.bundle/Contents/Resources/google_appengine/ > google/appengine/api/ images. > . > . > r.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/ > Resources/ google_appengine/google/appengine/api/images/ > images_stub.py", line 378, in _Resize > return image.resize((new_width, new_height), Image.ANTIALIAS) > File "/Library/Frameworks/Python.framework/Versions/2.5/lib/ > python2.5/site-packa ges/PIL/Image.py", line 1256, in resize > File "/Library/Frameworks/Python.framework/Versions/2.5/lib/ > python2.5/site-packa ges/PIL/ImageFile.py", line 155, in load > File "/Library/Frameworks/Python.framework/Versions/2.5/lib/ > python2.5/site-packa ges/PIL/PngImagePlugin.py", line 337, in > load_prepare > IOError: cannot read interlaced PNG files > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
