Hi!
Thanks for trying out cinnamon and taking the time to report this bug.
I can reproduce this in my computer as well.
As soon as I open the change background window, I see this error in
.xsession-errors:
** (cinnamon-settings.py:1931): WARNING **: Couldn't register with
accessibility bus: Did not receive a reply. Possible causes include: the remote
application did not send a reply, the message bus security policy blocked the
reply, the reply timeout expired, or the network connection was broken.
If I try to set a background using the Add button, and then close the window, I
get:
Failed to convert /home/marga/.cinnamon/backgrounds/Dark_Ivy.jpg: 'NoneType'
object has no attribute 'mode'
Nothing ever shows up in the list.
When manually starting cinnamon-settings-daemon, I got this error after opening
the backgrounds panel:
(cinnamon-settings-daemon:2101): librsvg-WARNING **: CSS parsing error
I was able to reproduce the problem with a simplified version of the code that
processes the images:
>>> from SettingsWidgets import *
** (.:2803): WARNING **: Couldn't register with accessibility bus: Did not
receive a reply. Possible causes include: the remote application did not send a
reply, the message bus security policy blocked the reply, the reply timeout
expired, or the network connection was broken.
>>> img = Image.open('/home/marga/.cinnamon/backgrounds/Dark_Ivy.jpg')
>>> import imtools
>>> img = imtools.round_image(img, {}, False, None, 3, 255)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "imtools.py", line 170, in round_image
mask = create_rounded_rectangle(image.size, cache, radius, opacity, pos)
File "imtools.py", line 222, in create_rounded_rectangle
paste(rounded_rectangle, element, (x, y))
File "imtools.py", line 862, in paste
if source == mask:
File "/usr/lib/python2.7/dist-packages/PIL/Image.py", line 576, in __eq__
a = (self.mode == other.mode)
AttributeError: 'NoneType' object has no attribute 'mode'
This is the code from the paste function in imtools:
def paste(destination, source, box=(0, 0), mask=None, force=False):
if source == mask:
mask is clearly None, and this comparison is not working. It might be that this
was triggered by a change in the _eq_ comparator in PIL, but in any case this
is a bug that needs to be fixed.
Once again, thanks for the report.
--
Regards,
Marga
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