old_contents: #!/usr/bin/env python
  #
  # Copyright 2014 Google Inc. All rights reserved.
  #
  # 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.
  
  """Generate a glyph name for flag emojis."""
  
  __author__ = 'roozbeh@google.com (Roozbeh Pournader)'
  
  import re
  import sys
  
  import add_emoji_gsub
  
  def two_letter_code_to_glyph_name(region_code):
      return 'u%04x_%04x' % (
          add_emoji_gsub.reg_indicator(region_code[0]),
          add_emoji_gsub.reg_indicator(region_code[1]))
  
  
  subcode_re = re.compile(r'[0-9a-z]{2}-[0-9a-z]+$')
  def hyphenated_code_to_glyph_name(sub_code):
    # Hyphenated codes use tag sequences, not regional indicator symbol pairs.
    sub_code = sub_code.lower()
    if not subcode_re.match(sub_code):
      raise Exception('%s is not a valid flag subcode' % sub_code)
    cps = ['u1f3f3']
    cps.extend('e00%02x' % ord(cp) for cp in sub_code if cp != '-')
    cps.append('e007f')
    return '_'.join(cps)
  
  
  def flag_code_to_glyph_name(flag_code):
    if '-' in flag_code:
      return hyphenated_code_to_glyph_name(flag_code)
    return two_letter_code_to_glyph_name(flag_code)
  
  
  def main():
      print ' '.join([
          flag_code_to_glyph_name(flag_code) for flag_code in sys.argv[1:]])
  
  if __name__ == '__main__':
      main()
  
new_contents: #!/usr/bin/env python
  #
  # Copyright 2014 Google Inc. All rights reserved.
  #
  # 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.
  
  """Generate a glyph name for flag emojis."""
  
  __author__ = 'roozbeh@google.com (Roozbeh Pournader)'
  
  import re
  import sys
  
  import add_emoji_gsub
  
  def two_letter_code_to_glyph_name(region_code):
      return 'u%04x_%04x' % (
          add_emoji_gsub.reg_indicator(region_code[0]),
          add_emoji_gsub.reg_indicator(region_code[1]))
  
  
  subcode_re = re.compile(r'[0-9a-z]{2}-[0-9a-z]+$')
  def hyphenated_code_to_glyph_name(sub_code):
    # Hyphenated codes use tag sequences, not regional indicator symbol pairs.
    sub_code = sub_code.lower()
    if not subcode_re.match(sub_code):
      raise Exception('%s is not a valid flag subcode' % sub_code)
    cps = ['u1f3f4']
    cps.extend('e00%02x' % ord(cp) for cp in sub_code if cp != '-')
    cps.append('e007f')
    return '_'.join(cps)
  
  
  def flag_code_to_glyph_name(flag_code):
    if '-' in flag_code:
      return hyphenated_code_to_glyph_name(flag_code)
    return two_letter_code_to_glyph_name(flag_code)
  
  
  def main():
      print ' '.join([
          flag_code_to_glyph_name(flag_code) for flag_code in sys.argv[1:]])
  
  if __name__ == '__main__':
      main()
  
subject: Use waving black flag for subregion flag sequences.