old_contents: # Copyright 2015 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.
  
  """Test general health of the fonts."""
  
  import json
  
  from nototools import render
  
  def _run_harfbuzz(text, font, language):
      """Run harfbuzz on some text and return the shaped list."""
      hb_output = render.run_harfbuzz_on_text(text, font, language)
      return json.loads(hb_output)
  
  
  _advance_cache = {}
  def get_advances(text, font):
      """Get a list of horizontal advances for text rendered in a font."""
      try:
          return _advance_cache[(text, font)]
      except KeyError:
          pass
  
      hb_output = _run_harfbuzz(text, font, None)
      advances = [glyph['ax'] for glyph in hb_output]
      _advance_cache[(text, font)] = advances
      return advances
  
  
  _shape_cache = {}
  def get_glyphs(text, font):
      """Get a list of shaped glyphs for text rendered in a font."""
      try:
          return _shape_cache[(text, font)]
      except KeyError:
          pass
  
      hb_output = _run_harfbuzz(text, font, None)
      shapes = [glyph['g'] for glyph in hb_output]
      _shape_cache[(text, font)] = shapes
      return shapes
  
new_contents: # Copyright 2015 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.
  
  """Test general health of the fonts."""
  
  import json
  
  from nototools import render
  
  def _run_harfbuzz(text, font, language, extra_parameters=None):
      """Run harfbuzz on some text and return the shaped list."""
      try:
          # if extra_parameters is a string, split it into a list
          extra_parameters = extra_parameters.split(' ')
      except AttributeError:
          pass
      hb_output = render.run_harfbuzz_on_text(
          text, font, language, extra_parameters)
      return json.loads(hb_output)
  
  
  _advance_cache = {}
  def get_advances(text, font, extra_parameters=None):
      """Get a list of horizontal advances for text rendered in a font."""
      try:
          return _advance_cache[(text, font, extra_parameters)]
      except KeyError:
          pass
  
      hb_output = _run_harfbuzz(text, font, None, extra_parameters)
      advances = [glyph['ax'] for glyph in hb_output]
      _advance_cache[(text, font, extra_parameters)] = advances
      return advances
  
  
  _shape_cache = {}
  def get_glyphs(text, font, extra_parameters=None):
      """Get a list of shaped glyphs for text rendered in a font."""
      try:
          return _shape_cache[(text, font, extra_parameters)]
      except KeyError:
          pass
  
      hb_output = _run_harfbuzz(text, font, None, extra_parameters)
      shapes = [glyph['g'] for glyph in hb_output]
      _shape_cache[(text, font, extra_parameters)] = shapes
      return shapes
  
subject: Add parameters to layout.py to pass down to HarfBuzz.