It all worked nicely but after a re-install of my systems (linux pc,
linux laptop, windows pc) I have a problem with Image.open(fname). Under
linux (python2.5 ubuntu 8.04) I get:
Traceback (most recent call last):
File "/media/DATAWINDOWS/Python/SobelQuality/open_image.py", line 6,
in <module>
image = Image.open(fname)
File "/usr/lib/python2.5/site-packages/PIL/Image.py", line 1902, in open
return factory(fp, filename)
File "/usr/lib/python2.5/site-packages/PIL/ImageFile.py", line 82, in
__init__
self._open()
File "/usr/lib/python2.5/site-packages/PIL/JpegImagePlugin.py", line
270, in _open
handler(self, i)
File "/usr/lib/python2.5/site-packages/PIL/JpegImagePlugin.py", line
154, in DQT
self.quantization[v&15] = array.array("b", s[1:65])
AttributeError: 'module' object has no attribute 'array'
with this simple test script:
#open test image
import sys, os.path, time
from PIL import Image
t = time.time()
fname = os.path.join(sys.path[0],'lena.jpg')
image = Image.open(fname)
print 'Open %s width,height %d,%d took %.3f sec' % \
(fname,image.size[0],image.size[1],time.time()-t)
On windows XP it works as it should.
What went wrong and how to get it running again
many thanks,
Janwillem
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