old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  
  import os
  import sys
  import subprocess
  
  from _examples import util
  from __builtin__ import str # In case str is redefined in util
  
  
  argv = sys.argv
  optparser = util.get_optparser()
  opts, args = optparser.parse_args()
  
  head = os.path.dirname(__file__)
  if not head:
      head = '.'
  paths = [head]
  if opts.misc:
      paths.append(os.path.join(head, 'misc'))
  if opts.deprecated:
      paths.append(os.path.join(head, 'deprecated'))
  
  for path in paths:
      examples = [
          example
          for example in os.listdir(path)
              if os.path.isfile(os.path.join(path, example, '__main__.py'))
                  and not example.startswith('_')
      ]
      examples.sort()
  
      env = os.environ.copy()
      # Not ready yet
      #env['PYJS_OPT_PROXYINSTALL'] = '1'
      if 'PYJS_BIN_PYTHON' not in env:
          env['PYJS_BIN_PYTHON'] = util._find_python()
      if 'PYJS_DIR_PYJAMAS' not in env:
          env.update(dict([
              ('PYJS_' + k, v)
              for k, v in util._process_pyjamas(head).items()
          ]))
  
      for example in examples:
          header = '\n' + str('( Building {0} )').format(example.upper()).center(69, '-') + '\n\n'
          sys.stdout.write(header)
          sys.stdout.flush()
          if sys.version_info[0] <= 2 and sys.version_info[1] <= 5:
              cmd = os.path.join(path, example, '__main__.py')
          else:
              cmd = os.path.join(path, example)
          e = subprocess.Popen([env['PYJS_BIN_PYTHON'], cmd] + sys.argv[1:], env=env)
          e.wait()
  
  complete = [
      '\n' + '( Pyjs )'.center(69, '-') + '\n',
      '  Complete! View examples via:',
      str('  # cd {0}').format(path),
      str('  # {0} -m SimpleHTTPServer').format(env['PYJS_BIN_PYTHON']),
      '  http://localhost:8000',
      '\n' + '( Pyjs )'.center(69, '-') + '\n\n',
  ]
  
  sys.stdout.write('\n'.join(complete))
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  
  import os
  import sys
  import subprocess
  
  from _examples import util
  
  try:
      from __builtin__ import str # In case str is redefined in util
  except ImportError:
      pass
  
  
  argv = sys.argv
  optparser = util.get_optparser()
  opts, args = optparser.parse_args()
  
  head = os.path.dirname(__file__)
  if not head:
      head = '.'
  paths = [head]
  if opts.misc:
      paths.append(os.path.join(head, 'misc'))
  if opts.deprecated:
      paths.append(os.path.join(head, 'deprecated'))
  
  for path in paths:
      examples = [
          example
          for example in os.listdir(path)
              if os.path.isfile(os.path.join(path, example, '__main__.py'))
                  and not example.startswith('_')
      ]
      examples.sort()
  
      env = os.environ.copy()
      # Not ready yet
      #env['PYJS_OPT_PROXYINSTALL'] = '1'
      if 'PYJS_BIN_PYTHON' not in env:
          env['PYJS_BIN_PYTHON'] = util._find_python()
      if 'PYJS_DIR_PYJAMAS' not in env:
          env.update(dict([
              ('PYJS_' + k, v)
              for k, v in util._process_pyjamas(head).items()
          ]))
  
      for example in examples:
          header = '\n' + str('( Building {0} )').format(example.upper()).center(69, '-') + '\n\n'
          sys.stdout.write(header)
          sys.stdout.flush()
          if sys.version_info[0] <= 2 and sys.version_info[1] <= 5:
              cmd = os.path.join(path, example, '__main__.py')
          else:
              cmd = os.path.join(path, example)
          e = subprocess.Popen([env['PYJS_BIN_PYTHON'], cmd] + sys.argv[1:], env=env)
          e.wait()
  
  complete = [
      '\n' + '( Pyjs )'.center(69, '-') + '\n',
      '  Complete! View examples via:',
      str('  # cd {0}').format(path),
      str('  # {0} -m SimpleHTTPServer').format(env['PYJS_BIN_PYTHON']),
      '  http://localhost:8000',
      '\n' + '( Pyjs )'.center(69, '-') + '\n\n',
  ]
  
  sys.stdout.write('\n'.join(complete))
  
subject: allow python3 to run master __main__.py