Thread: "invalid PID checksum" when using mobidedrm, even though it IS valid.
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Old 07-07-2009, 10:21 AM   #84
wallcraft
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Join Date: Mar 2006
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Quote:
Originally Posted by mindwarp View Post
I finally got one to work! lol It seems that all the kindle books I was using came up as invalid file type when I used mobidedrm.py (when I used mobidedrm005.py it said invalid PID) I download quite a few free kindle ebooks and samples and tested them out. Some worked with mobidedrm.py but none worked with mobidedrm005.py.
You may have a corrupted version of v5, but I have suspected in other cases on the Mac that the "checksum" error is coming up when some other error is actually invoked. You seem to have confirmed this.

DRM-free AZW's should give a different error, but they don't need mobidedrm at all. I was not aware that any samples had DRM. Are the ebooks (samples or otherwise) that fail completely TOPAZ ebooks (file extension .tpz or .azw1)? This is an Amazon-specific format that no one outside Amazon knows how to read.

See kindledrm.py for a script to identify DRM-free AZW ebooks.
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