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From: Chris Curvey on 9 Mar 2010 17:05
Has anyone ever tried to find the pixel (or point) location of text in
a PDF using Python? I've been using the pyPdf libraries for other
things, and it seems to me that if I can find the bounding box for
text, I should be able to calculate the location.

What I want to do is take a PDF of one of our vendor invoices and blur
everything in it except the block that's related to a single
customer. So if I have an invoice that looks like:

Alfred Annoying
123 Elm St
Somewhere, NJ
$100

Barbie Bonehead
456 Pine St
Elsewhere, NJ
$125

Charlie Clueless
789 Beech St.
Everywhere, NJ
$150

I want to show Barbie just her section of the invoice (with the header
intact, so that she can tell it's a real invoice) but with Alfred and
Charlie's information blurred out. I was going to convert the PDF to
a JPG or PNG and do the blurring with ImageMagick/PythonMagick. But
that requires me to know the pixel location of the regions that I want
blurred and left alone.

I'm also open to other ideas if I'm going about this the hard way....
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