old_contents: #!/usr/bin/env python
  
  # This file is part of beets.
  # Copyright 2013, Adrian Sampson.
  #
  # Permission is hereby granted, free of charge, to any person obtaining
  # a copy of this software and associated documentation files (the
  # "Software"), to deal in the Software without restriction, including
  # without limitation the rights to use, copy, modify, merge, publish,
  # distribute, sublicense, and/or sell copies of the Software, and to
  # permit persons to whom the Software is furnished to do so, subject to
  # the following conditions:
  #
  # The above copyright notice and this permission notice shall be
  # included in all copies or substantial portions of the Software.
  
  import os
  import re
  import sys
  
  from _common import unittest
  
  pkgpath = os.path.dirname(__file__) or '.'
  sys.path.append(pkgpath)
  os.chdir(pkgpath)
  
  def suite():
      s = unittest.TestSuite()
      # Get the suite() of every module in this directory beginning with
      # "test_".
      for fname in os.listdir(pkgpath):
          match = re.match(r'(test_\S+)\.py$', fname)
          if match:
              modname = match.group(1)
              s.addTest(__import__(modname).suite())
      return s
  
  if __name__ == '__main__':
      unittest.main(defaultTest='suite')
  
new_contents: #!/usr/bin/env python
  
  # This file is part of beets.
  # Copyright 2013, Adrian Sampson.
  #
  # Permission is hereby granted, free of charge, to any person obtaining
  # a copy of this software and associated documentation files (the
  # "Software"), to deal in the Software without restriction, including
  # without limitation the rights to use, copy, modify, merge, publish,
  # distribute, sublicense, and/or sell copies of the Software, and to
  # permit persons to whom the Software is furnished to do so, subject to
  # the following conditions:
  #
  # The above copyright notice and this permission notice shall be
  # included in all copies or substantial portions of the Software.
  
  import os
  import re
  import sys
  
  from _common import unittest
  
  pkgpath = os.path.dirname(__file__) or '.'
  sys.path.append(pkgpath)
  os.chdir(pkgpath)
  
  # Make sure we use local version of beetsplug and not system namespaced version
  # for tests
  try:
      del sys.modules["beetsplug"]
  except KeyError:
      pass
  
  def suite():
      s = unittest.TestSuite()
      # Get the suite() of every module in this directory beginning with
      # "test_".
      for fname in os.listdir(pkgpath):
          match = re.match(r'(test_\S+)\.py$', fname)
          if match:
              modname = match.group(1)
              s.addTest(__import__(modname).suite())
      return s
  
  if __name__ == '__main__':
      unittest.main(defaultTest='suite')
  
subject: Fix python namespaces for test runs