old_contents: from __future__ import print_function
  
  import os
  import re
  import traceback
  from importlib import import_module
  
  from dmoj.judgeenv import env, only_executors, exclude_executors
  
  _reexecutor = re.compile('([A-Z0-9]+)\.py$')
  
  # List of executors that exist for historical purposes, but which shouldn't ever be run on a normal system
  # We keep them for compatibility purposes, but they are not important enough to have a commandline flag for enabling
  # them; instead, removing them from this list suffices.
  _unsupported_executors = {'CPP0X'}
  
  executors = {}
  
  
  def get_available():
      to_load = set(i.group(1) for i in map(_reexecutor.match,
                                            os.listdir(os.path.dirname(__file__)))
                    if i is not None)
      if only_executors:
          to_load &= only_executors
      if exclude_executors:
          to_load -= exclude_executors
      to_load -= _unsupported_executors
      to_load = sorted(to_load)
      return to_load
  
  
  def load_executor(name):
      try:
          return import_module('%s.%s' % (__name__, name))
      except ImportError as e:
          # Python 2 has no quotes, Python 3 has quotes :|
          if str(e).replace("'", '') not in ('No module named _cptbox',
                                             'No module named msvcrt',
                                             'No module named _wbox',
                                             'No module named termios'):
              traceback.print_exc()
  
  
  def load_executors():
      to_load = get_available()
  
      print('Self-testing executors...')
  
      for name in to_load:
          executor = load_executor(name)
  
          if executor is None or not hasattr(executor, 'Executor'):
              continue
  
          cls = executor.Executor
          if hasattr(cls, 'initialize') and not cls.initialize(sandbox=env.selftest_sandboxing):
              continue
  
          if hasattr(executor, 'aliases'):
              for alias in executor.aliases():
                  if alias not in _unsupported_executors:
                      executors[alias] = executor
          else:
              executors[name] = executor
  
      print
  
new_contents: from __future__ import print_function
  
  import os
  import re
  import traceback
  from importlib import import_module
  
  from dmoj.judgeenv import env, only_executors, exclude_executors
  
  _reexecutor = re.compile('([A-Z0-9]+)\.py$')
  
  # List of executors that exist for historical purposes, but which shouldn't ever be run on a normal system
  # We keep them for compatibility purposes, but they are not important enough to have a commandline flag for enabling
  # them; instead, removing them from this list suffices.
  _unsupported_executors = {'CPP0X', 'JAVA7'}
  
  executors = {}
  
  
  def get_available():
      to_load = set(i.group(1) for i in map(_reexecutor.match,
                                            os.listdir(os.path.dirname(__file__)))
                    if i is not None)
      if only_executors:
          to_load &= only_executors
      if exclude_executors:
          to_load -= exclude_executors
      to_load -= _unsupported_executors
      to_load = sorted(to_load)
      return to_load
  
  
  def load_executor(name):
      try:
          return import_module('%s.%s' % (__name__, name))
      except ImportError as e:
          # Python 2 has no quotes, Python 3 has quotes :|
          if str(e).replace("'", '') not in ('No module named _cptbox',
                                             'No module named msvcrt',
                                             'No module named _wbox',
                                             'No module named termios'):
              traceback.print_exc()
  
  
  def load_executors():
      to_load = get_available()
  
      print('Self-testing executors...')
  
      for name in to_load:
          executor = load_executor(name)
  
          if executor is None or not hasattr(executor, 'Executor'):
              continue
  
          cls = executor.Executor
          if hasattr(cls, 'initialize') and not cls.initialize(sandbox=env.selftest_sandboxing):
              continue
  
          if hasattr(executor, 'aliases'):
              for alias in executor.aliases():
                  if alias not in _unsupported_executors:
                      executors[alias] = executor
          else:
              executors[name] = executor
  
      print
  
subject: Remove Java 7 from regular executor list; #287