old_contents: import os, sys
  from scripting_utils import *
  import build_sdk_android    as android
  import build_sdk_ios        as ios
  import build_sdk_windows    as windows
  
  set_log_tag('BUILD-SDK')
  
  if __name__ != "__main__":
      error('Error. Do not import this script, but run it explicitly.')
      exit()
  
  # ------------------------------------------------------------------
  # get arguments
  usage_message = 'Usage >> python build_sdk.py [ios | android | windows] [otpional, to build test library too: --with-testlib | -tl]\n';
  if len(sys.argv) < 2:
      error('Error. Platform not provided.')
      debug(usage_message)
      exit()
  
  platform = sys.argv[1]
  if platform != 'ios' and platform != 'android' and platform != 'windows':
      error('Error. Unknown platform provided: [{0}]'.format(platform))
      debug(usage_message)
      exit()
  
  with_test_lib = False
  if len(sys.argv) == 3 and (sys.argv[2] == '--with-testlib' or sys.argv[2] == '-tl'):
      with_test_lib = True
  elif len(sys.argv) == 3:
      error('Unknown 2nd parameter.')
      debug(usage_message)
      exit()
  
  debug_green('Script start. Platform=[{0}]. With Test Library=[{1}]. Build Adjust Unity SDK ...'.format(platform, with_test_lib))
  
  # ------------------------------------------------------------------
  # common paths
  script_dir              = os.path.dirname(os.path.realpath(__file__))
  root_dir                = os.path.dirname(os.path.normpath(script_dir))
  android_submodule_dir   = '{0}/ext/android'.format(root_dir)
  ios_submodule_dir       = '{0}/ext/ios'.format(root_dir)
  windows_submodule_dir   = '{0}/ext/windows'.format(root_dir)
  
  # ------------------------------------------------------------------
  # call platform specific build method
  if platform == 'ios':
      set_log_tag('IOS-SDK-BUILD')
      check_submodule_dir('iOS', ios_submodule_dir + '/sdk')
      ios.build(root_dir, ios_submodule_dir, with_test_lib)
  elif platform == 'android':
      set_log_tag('ANROID-SDK-BUILD')
      check_submodule_dir('Android', android_submodule_dir + '/sdk')
      android.build(root_dir, android_submodule_dir, with_test_lib)
  else:
      set_log_tag('WINDOWS-SDK-BUILD')
      check_submodule_dir('Windows', windows_submodule_dir + '/sdk')
      windows.build(root_dir, windows_submodule_dir)
  
  remove_files('*.pyc', script_dir, log=False)
  
  # ------------------------------------------------------------------
  # Script completed
  debug_green('Script completed!')
  
new_contents: #!/usr/bin/python
  import os, sys
  from scripting_utils import *
  import build_sdk_android    as android
  import build_sdk_ios        as ios
  import build_sdk_windows    as windows
  
  set_log_tag('BUILD-SDK')
  
  if __name__ != "__main__":
      error('Error. Do not import this script, but run it explicitly.')
      exit()
  
  # ------------------------------------------------------------------
  # get arguments
  usage_message = 'Usage >> python build_sdk.py [ios | android | windows] [otpional, to build test library too: --with-testlib | -tl]\n';
  if len(sys.argv) < 2:
      error('Error. Platform not provided.')
      debug(usage_message)
      exit()
  
  platform = sys.argv[1]
  if platform != 'ios' and platform != 'android' and platform != 'windows':
      error('Error. Unknown platform provided: [{0}]'.format(platform))
      debug(usage_message)
      exit()
  
  with_test_lib = False
  if len(sys.argv) == 3 and (sys.argv[2] == '--with-testlib' or sys.argv[2] == '-tl'):
      with_test_lib = True
  elif len(sys.argv) == 3:
      error('Unknown 2nd parameter.')
      debug(usage_message)
      exit()
  
  debug_green('Script start. Platform=[{0}]. With Test Library=[{1}]. Build Adjust Unity SDK ...'.format(platform, with_test_lib))
  
  # ------------------------------------------------------------------
  # common paths
  script_dir              = os.path.dirname(os.path.realpath(__file__))
  root_dir                = os.path.dirname(os.path.normpath(script_dir))
  android_submodule_dir   = '{0}/ext/android'.format(root_dir)
  ios_submodule_dir       = '{0}/ext/ios'.format(root_dir)
  windows_submodule_dir   = '{0}/ext/windows'.format(root_dir)
  
  # ------------------------------------------------------------------
  # call platform specific build method
  if platform == 'ios':
      set_log_tag('IOS-SDK-BUILD')
      check_submodule_dir('iOS', ios_submodule_dir + '/sdk')
      ios.build(root_dir, ios_submodule_dir, with_test_lib)
  elif platform == 'android':
      set_log_tag('ANROID-SDK-BUILD')
      check_submodule_dir('Android', android_submodule_dir + '/sdk')
      android.build(root_dir, android_submodule_dir, with_test_lib)
  else:
      set_log_tag('WINDOWS-SDK-BUILD')
      check_submodule_dir('Windows', windows_submodule_dir + '/sdk')
      windows.build(root_dir, windows_submodule_dir)
  
  remove_files('*.pyc', script_dir, log=False)
  
  # ------------------------------------------------------------------
  # Script completed
  debug_green('Script completed!')
  
subject: Add shebang to build sdk python script