setup.py

#!/usr/bin/env python

import sys,time,urllib,traceback,glob,os,os.path

assert sys.version_info[0]==2 and sys.version_info[1]>=7,\
    "you must install and use OCRopus with Python version 2.7 or later, but not Python 3.x"

from distutils.core import setup, Extension, Command
from distutils.command.install_data import install_data

from ocrolib import default
modeldir = "models/"
modelfiles = default.installable
modelprefix = "http://iupr1.cs.uni-kl.de/~tmb/ocropus-models/"

class DownloadCommand(Command):
    description = "Download OCRopus datafiles. (This needs to happen prior to installation.)"
    user_options = []
    def initialize_options(self): pass
    def finalize_options(self): pass
    def run(self):
        print "Starting download of about 500Mbytes of model data."
        time.sleep(3) # give them time to quit
        for m in modelfiles:
            dest = modeldir+m
            if os.path.exists(dest):
                print m,": already downloaded"
                continue
            url = modelprefix+m
            cmd = "curl '%s' > '%s'"%(url,dest)
            print "\n#",cmd,"\n"
            if os.system(cmd)!=0:
                print "download failed"
                sys.exit(1)

for m in modelfiles:
    if not os.path.exists(modeldir+m):
        print
        print "warning:",modeldir+m,"does not exist"
        print 'run "python setup.py download_models"'
        print
        break

setup(
        name = 'ocropy',
        version = '0.6',
        author = "Thomas Breuel",
        description = "The core of the OCRopus OCR system.",
        packages = ["ocrolib"],
        data_files=
            [('share/ocropus', glob.glob("*.glade")),
             ('share/ocropus', [modeldir+m for m in modelfiles])],
        scripts = 
            [c for c in glob.glob("ocropus-*") if "." not in c and "~" not in c],
        cmdclass = {
            "download_models" : DownloadCommand,
            }
     )