[Tutor] image processing

[Emile van Sebille]

jeremiah wrote:
> I'm trying to do simple image manipulation but am getting an error. any
> ideas what i am doing wrong here?
> 
> Thanks
> JJ
> 
> #!/usr/bin/python
> import ImageFilter,Image
> name="test.jpg"
> file=open("./"+name,"w")

Right here you're opening the file in write mode, in effect creating a 
new file ready to be written to.  You probably want to use mode 'rb'

HTH,

Emile


> pic=Image.open(file)
> pic.rotate(45)
> pic.save("new_" + name)
> pic.show()
> 
> the error:
> 
> Traceback (most recent call last):
>   File "image_filter.py", line 7, in <module>
>     pic=Image.open(file)
>   File "/usr/lib/python2.5/site-packages/PIL/Image.py", line 1893, in
> open
>     prefix = fp.read(16)
> IOError: [Errno 9] Bad file descriptor
> 
> 
> 
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