[Jocr-devels] gocr in python

[Carl K. <ca...@pe...>]

My goal is to rename an image file based on some text in the file.  also to get 
more python experience.

I am trying to use api's instead of os.system() calls.

libgocr is an attempt to create a library that have all functionality that you 
may need to develop a OCR engine.
http://jocr.sourceforge.net/api/
(not sure this is what I want)

I am using a business card's phone number as an example, but the real files will 
all have a consistent label (they are photos of widgets with a ID card in front 
of them, much like a mug shot.)

Step 3: ocr the phone number image into text.

gocr -i phone.png
773.338.4000

 >>> os.system( 'gocr -C "0123456789" phone.png' )
773.338.4000

I hear I will be better off using:
 >>> p = subprocess.Popen( ["echo", "hello"], stdout=subprocess.PIPE ) >>> 
p.stdout.read()
'hello\n'

Except that trying to use it with gocr errors:
 >>> p = subprocess.Popen( ["gocr", "-i phone.png"], stdout=subprocess.PIPE )
ERROR pnm.c L118: opening file

so I am looking for any of the following:

A) trap sdtout from os.system
B) get subprocess.Popen to work, then I can use p.stdout.read()
C) use the gocr api, if it exists.