old_contents: #! /usr/bin/env python
  import os
  import sys
  import glob
  
  version = (int(sys.argv[1]), int(sys.argv[2]), int(sys.argv[3]), int(sys.argv[4]))
  
  def substitute_file(name):
  	subst = ''
  	f = open(name)
  	for l in f:
  		if '#define LIBTORRENT_VERSION_MAJOR' in l and name.endswith('.hpp'):
  			l = '#define LIBTORRENT_VERSION_MAJOR %d\n' % version[0]
  		elif '#define LIBTORRENT_VERSION_MINOR' in l and name.endswith('.hpp'):
  			l = '#define LIBTORRENT_VERSION_MINOR %d\n' % version[1]
  		elif '#define LIBTORRENT_VERSION_TINY' in l and name.endswith('.hpp'):
  			l = '#define LIBTORRENT_VERSION_TINY %d\n' % version[2]
  		elif '#define LIBTORRENT_VERSION ' in l and name.endswith('.hpp'):
  			l = '#define LIBTORRENT_VERSION "%d.%d.%d.%d"\n' % (version[0], version[1], version[2], version[3])
  		elif 'AC_INIT([libtorrent-rasterbar]' in l and name.endswith('.ac'):
  			l = 'AC_INIT([libtorrent-rasterbar],[%d.%d.%d],[arvid@rasterbar.com],\n' % (version[0], version[1], version[2])
  		elif 'set (VERSION ' in l and name.endswith('.txt'):
  			l = 'set (VERSION "%d.%d.%d")\n' % (version[0], version[1], version[2])
  		elif ':Version: ' in l and name.endswith('.rst'):
  			l = ':Version: %d.%d.%d\n' % (version[0], version[1], version[2])
  		elif 'VERSION = ' in l and name.endswith('Jamfile'):
  			l = 'VERSION = %d.%d.%d ;\n' % (version[0], version[1], version[2])
  
  		subst += l
  
  	f.close()
  	open(name, 'w+').write(subst)
  
  
  substitute_file('include/libtorrent/version.hpp')
  substitute_file('CMakeLists.txt')
  substitute_file('configure.ac')
  for i in glob.glob('docs/*.rst'):
  	substitute_file(i)
  substitute_file('Jamfile')
  
  
  
new_contents: #! /usr/bin/env python
  import os
  import sys
  import glob
  
  version = (int(sys.argv[1]), int(sys.argv[2]), int(sys.argv[3]), int(sys.argv[4]))
  
  def substitute_file(name):
  	subst = ''
  	f = open(name)
  	for l in f:
  		if '#define LIBTORRENT_VERSION_MAJOR' in l and name.endswith('.hpp'):
  			l = '#define LIBTORRENT_VERSION_MAJOR %d\n' % version[0]
  		elif '#define LIBTORRENT_VERSION_MINOR' in l and name.endswith('.hpp'):
  			l = '#define LIBTORRENT_VERSION_MINOR %d\n' % version[1]
  		elif '#define LIBTORRENT_VERSION_TINY' in l and name.endswith('.hpp'):
  			l = '#define LIBTORRENT_VERSION_TINY %d\n' % version[2]
  		elif '#define LIBTORRENT_VERSION ' in l and name.endswith('.hpp'):
  			l = '#define LIBTORRENT_VERSION "%d.%d.%d.%d"\n' % (version[0], version[1], version[2], version[3])
  		elif 'AC_INIT([libtorrent-rasterbar]' in l and name.endswith('.ac'):
  			l = 'AC_INIT([libtorrent-rasterbar],[%d.%d.%d],[arvid@rasterbar.com],\n' % (version[0], version[1], version[2])
  		elif 'set (VERSION ' in l and name.endswith('.txt'):
  			l = 'set (VERSION "%d.%d.%d")\n' % (version[0], version[1], version[2])
  		elif ':Version: ' in l and (name.endswith('.rst') or name.endswith('.py')):
  			l = ':Version: %d.%d.%d\n' % (version[0], version[1], version[2])
  		elif 'VERSION = ' in l and name.endswith('Jamfile'):
  			l = 'VERSION = %d.%d.%d ;\n' % (version[0], version[1], version[2])
  
  		subst += l
  
  	f.close()
  	open(name, 'w+').write(subst)
  
  
  substitute_file('include/libtorrent/version.hpp')
  substitute_file('CMakeLists.txt')
  substitute_file('configure.ac')
  substitute_file('docs/gen_reference_doc.py')
  for i in glob.glob('docs/*.rst'):
  	substitute_file(i)
  substitute_file('Jamfile')
  
  
  
subject: make update_version.py also update auto generated documentation