old_contents: #!/usr/bin/env python
  from __future__ import (absolute_import, division, print_function, unicode_literals)
  
  import argparse
  import os
  
  from ripe import VERSION
  
  def run(package):
      os.system('echo y | pip uninstall {}'.format(package.split('/')[-1]))
  
      if package == os.getcwd().split('/')[-1] or package is None:
          os.system('pip install .')
      elif os.path.exists(os.getcwd() + '/{}'.format(package)):
          # for shorthand, ie `ripe app_name -> pip install ./app_name`
          os.system('pip install ./{}'.format(package))
      else:
          # for longhand paths, ie `ripe ../../app_name`
          os.system('pip install {}'.format(os.path.expanduser(package)))
  
  
  def prepare_parser():
      parser = argparse.ArgumentParser()
      parser.add_argument('package', nargs='?', default=os.getcwd().split('/')[-1])
      parser.add_argument('--version', action='version', version='%(prog)s ' + VERSION)
      return parser
  
  
  def main():
      parser = prepare_parser()
      args = parser.parse_args()
  
      if not os.path.isfile(os.getcwd() + '/setup.py') and not os.path.isfile(os.getcwd() + "/{}/setup.py".format(args.package)):
          print ("Error -- ripe should only be used when testing out versions of a local package, and hence NEEDS")
          print ("to be run from or pointed towards a  `pip install .`-able location" )
      else:
          run(args.package)
  
new_contents: #!/usr/bin/env python
  from __future__ import (absolute_import, division, print_function, unicode_literals)
  
  import argparse
  import os
  
  from ripe import VERSION
  
  def run(package):
      os.system('echo y | pip uninstall {}'.format(package.split('/')[-1]))
  
      if point_install_to_current_dir(package):
          os.system('pip install .')
      elif point_install_to_child_dir(package):
          os.system('pip install ./{}'.format(package))
      else:
          # for longhand paths, ie `ripe ../../app_name`
          os.system('pip install {}'.format(os.path.expanduser(package)))
  
  
  def point_install_to_current_dir(package):
      return (package == os.getcwd().split('/')[-1] or package is None)
  
  
  def point_install_to_child_dir(package):
      return os.path.exists(os.getcwd() + '/{}'.format(package))
  
  
  def prepare_parser():
      parser = argparse.ArgumentParser()
      parser.add_argument('package', nargs='?', default=os.getcwd().split('/')[-1])
      parser.add_argument('--version', action='version', version='%(prog)s ' + VERSION)
      return parser
  
  
  def main():
      parser = prepare_parser()
      args = parser.parse_args()
  
      if not os.path.isfile(os.getcwd() + '/setup.py') and not os.path.isfile(os.getcwd() + "/{}/setup.py".format(args.package)):
          print ("Error -- ripe should only be used when testing out versions of a local package, and hence NEEDS")
          print ("to be run from or pointed towards a  `pip install .`-able location" )
      else:
          run(args.package)
  
subject: use methods to improve readability