[Image-SIG] import ICCProfile Error

[Fredrik Lundh]

By the way, I'm pretty sure that this only happens for some PNG
images, and once you upload your application, PNG reading is done by
GAE:s image library, not PIL, so the application you're building
should be fine.

</F>

On Sat, Nov 13, 2010 at 2:40 PM, Fredrik Lundh <fredrik at pythonware.com> wrote:
> On Fri, Nov 12, 2010 at 10:33 PM, Bharathwaaj Srinivasan
> <bharathwaaj.s at gmail.com> wrote:
>> I'm trying to get the images-demo working for google appengine.
>>
>> http://code.google.com/p/google-app-engine-samples/source/browse/trunk/images-demo
>>
>> The full traceback can be found here:
>>
>> http://pastebin.com/cBn6cA0V
>
> Hmm. First time I've ever seen that error in any context.  Looks like
> GAE's import mechanisms cause some trouble for relative imports that
> won't happen if you run things stand-alone.  And it looks like PIL's
> far from the only library suffering from this:
>
> http://www.google.com/search?q=%22SystemError:+Parent+module+*+not+loaded%22
>
> even if most PIL reports I found seem to be for GAE.  My guess is that
> it's some misfeature in the changes to relative import that was
> introduced in 2.6 (iirc), but since it doesn't happen when you run PIL
> in a normal configuration, I'm not sure how to debug it.  If someone
> can come up with a simple test case that triggers this, let me know.
>
> I guess this also means that adding an ICCProfile module to the path
> won't help you; if you cannot figure out something better, you might
> have to comment out the problematic code (or you could try replacing
> the relative import with a "from PIL import" and see if that helps).
>
> </F>
>
>> On 13 November 2010 02:04, Fredrik Lundh <fredrik at pythonware.com> wrote:
>>>
>>> On Fri, Nov 12, 2010 at 7:30 PM, Bharathwaaj Srinivasan
>>> <bharathwaaj.s at gmail.com> wrote:
>>> > I keep getting error in import ICCProfile in PNGImagePlugin.py _save.
>>> >
>>> > What am I missing? Which package contains ICCProfile?
>>>
>>> Not sure why that code was left in there, but iirc it's an extension hook.
>>>
>>> > I've been searching but couldn't get a clue on why it is failing.
>>>
>>> Me neither, given that the import is protected by a try/except.
>>>
>>>   try:
>>>       import ICCProfile
>>>   except ImportError:
>>>       ...
>>>
>>> What exactly are you doing when you get this import error, and what
>>> does the full traceback look like?
>>>
>>> </F>
>>
>>
>