Python binding launch the cache system ?
So the cache have handle on my file ?
2018-04-11 17:12 GMT+02:00 Stéphane Bertrand <stef.ker...@gmail.com>:
> thx for your answer
>
> you right, i'm on Windows
> i'm agree with you, my code is ugly with file path, it's just a crash code
> simplification for my post
>
> the problem is with os.remove on original image
>
> if i launch my script in interactive mode, without the last two lines (
> os.remove and os.rename)
> python -i compress_dwaa.py
> so my python interprete still alive
>
> i can't delete by hand my file because : "file is open by python.exe
> process"
>
>
> 2018-04-11 17:01 GMT+02:00 Scott Wilson <sc...@propersquid.com>:
>
>> Not sure if this will help you out, but out of curiosity, have you tried
>> only deleting or renaming the file? From what I remember when I used oiio
>> on Windows, I was able to do delete/rename.
>>
>> Also, here's some general Python tips:
>> - Use os.splitext(path) to get everything leading up to the extension,
>> and the .ext. For example "my file.ext" becomes ("my file", ".ext")
>> - Use os.path.join(pathroot, filename) when joining paths, because it
>> handled when the path root ends with a '/' or not.
>> - Strong formatting is generally preferred to strong concatenation
>> because it is usually faster, and can be more readable. For example:
>> outfile = "{}.tmp{}".format(filename, ext)
>>
>> On Wed, Apr 11, 2018, 7:39 AM Stéphane Bertrand, <stef.ker...@gmail.com>
>> wrote:
>>
>>> hi all,
>>>
>>> i've this simple script, inpire by snippet in the docs :
>>>
>>> import os
>>> import OpenImageIO as oiio
>>>
>>>
>>> DIR_PATH = r"D:\Seq02\Scn01\Shot01\Left\pass\Decor\\"
>>> IN_FILE = "Seq02_Scn01_Shot01_Decor_0000.exr"
>>>
>>>
>>> ext = IN_FILE.rfind(".")
>>> out_file = IN_FILE[:ext]+ ".tmp" + IN_FILE[ext:]
>>>
>>>
>>> def write_image (image, filename, format=oiio.UNKNOWN) :
>>> if not image.has_error :
>>> image.set_write_format (format)
>>> image.write (filename)
>>> if image.has_error :
>>> print("Error writing", filename, ":", image.geterror())
>>>
>>> img = oiio.ImageBuf(DIR_PATH+IN_FILE)
>>> img.specmod().attribute("compression", "dwaa")
>>> write_image(img, DIR_PATH+out_file)
>>>
>>> os.remove(DIR_PATH+IN_FILE)
>>> os.rename(DIR_PATH+out_file, DIR_PATH+IN_FILE)
>>>
>>> it's a simple script for inplace convert with dwa compression a EXR file
>>> but i've a PermissionError, my own process have hands on my file
>>> i'll try to add
>>> img.reset(oiio.ImageSpec())
>>> for free my image
>>> but not
>>>
>>> thx for your help
>>> Stéphane
>>>
>>>
>>> _______________________________________________
>>> Oiio-dev mailing list
>>> Oiio-dev@lists.openimageio.org
>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>>>
>>
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>>
>>
>
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