Uncompressing TIFF files directly in Python

[Peter Hansen]

sophie_newbie wrote:
> Hey guys,
> 
> OK this is a long shot but does anyone know of a way to uncompress tiff
> files directly in python. I know it can be done with an os call but
> that'll only work on unix and only if the right software is installed!
> 
> I need to convert tiff images downloaded from uspto.gov to pdf, these
> images are compressed using G4, so I dunno if anyone knows of a method
> of doing this witout the os call! Surely there is a utility out there
> somewhere?

Why didn't you want an OS call?  Do you have other constraints that 
would invalidate anything but a pure Python solution?

What about using FreeImage?  (http://freeimage.sourceforge.net)

It can be called via ctypes as http://freeimagepy.sourceforge.net/ does.

-Peter