old_contents: #!/usr/bin/env python3
  # Copyright 2016 Curtis Sand <curtissand@gmail.com>
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  """A script to run the squadron preprocessing tasks."""
  import sys
  
  
  from lib.cmdline import PreprocessUI
  from lib.cmdline import vprint
  from lib.cmdline import dprint
  from lib.config import ConfigFile
  from lib.tasks import load_tasks
  
  
  VERSION = "0.1"
  
  
  def main():
      """Main method for preprocess.py"""
      user_interface = PreprocessUI(version=VERSION)
      options = user_interface.parse_cmd_line()
  
      config_file = ConfigFile(options.config)
      config_file.load()
      tasks = load_tasks()
      for enabled_task in config_file.enabled_tasks:
          if enabled_task in tasks:
              vprint('Starting task %s' % enabled_task)
          task = tasks[enabled_task](config_file=config_file)
          dprint(task.debug_msg())
          task()
          if task.status is not None and task.status != 0:
              print('Task "%s" did not succeed: errno %s\n  Warnings:\n    %s\n'
                    '  Errors:\n    %s' % (enabled_task, task.status,
                                     '\n    '.join(task.warnings),
                                     '\n    '.join(task.errors)))
  
      return 0
  
  
  if __name__ == '__main__':
      try:
          sys.exit(main())
      except SystemExit:
          sys.exit(0)
      except KeyboardInterrupt:
          print('...interrupted by user, exiting.')
          sys.exit(1)
      except Exception as exc:
          import lib.cmdline
          if lib.cmdline.DEBUG:
              raise
          else:
              print(exc)
              sys.exit(1)
  
new_contents: #!/usr/bin/env python3
  # Copyright 2016 Curtis Sand <curtissand@gmail.com>
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  """A script to run the squadron preprocessing tasks."""
  import sys
  
  
  from lib.cmdline import PreprocessUI
  from lib.cmdline import vprint
  from lib.cmdline import dprint
  from lib.config import ConfigFile
  from lib.tasks import load_tasks
  
  
  VERSION = "0.1"
  
  
  def main():
      """Main method for preprocess.py"""
      user_interface = PreprocessUI(version=VERSION)
      options = user_interface.parse_cmd_line()
  
      config_file = ConfigFile(options.config)
      config_file.load()
      tasks = load_tasks()
      for enabled_task in config_file.enabled_tasks:
          if enabled_task in tasks:
              vprint('Starting task %s' % enabled_task)
          task = tasks[enabled_task](config_file=config_file)
          dprint(task.debug_msg())
          task()
          if task.status is not None and task.status != 0:
              print('Task "%s" did not succeed: errno %s\n  Warnings:\n    %s\n'
                    '  Errors:\n    %s' % (enabled_task, task.status,
                                           '\n    '.join(task.warnings),
                                           '\n    '.join(task.errors)))
              return task.status
      return 0
  
  
  if __name__ == '__main__':
      try:
          sys.exit(main())
      except SystemExit:
          sys.exit(0)
      except KeyboardInterrupt:
          print('...interrupted by user, exiting.')
          sys.exit(1)
      except Exception as exc:
          import lib.cmdline
          if lib.cmdline.DEBUG:
              raise
          else:
              print(exc)
              sys.exit(1)
  
subject: exit after first task failure