old_contents: # Copyright 2017 Mycroft AI Inc.
  #
  # 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.
  #
  import requests
  
  from mycroft.tts import TTSValidator
  from mycroft.tts.remote_tts import RemoteTTS
  
  
  class MaryTTS(RemoteTTS):
      PARAMS = {
          'LOCALE': 'en_US',
          'VOICE': 'cmu-slt-hsmm',
          'INPUT_TEXT': 'Hello World',
          'INPUT_TYPE': 'TEXT',
          'AUDIO': 'WAVE_FILE',
          'OUTPUT_TYPE': 'AUDIO'
      }
  
      def __init__(self, lang, config):
          super(MaryTTS, self).__init__(lang, config, '/process',
                                        MaryTTSValidator(self))
  
      def build_request_params(self, sentence):
          params = self.PARAMS.copy()
          params['LOCALE'] = self.lang
          params['VOICE'] = self.voice
          params['INPUT_TEXT'] = sentence.encode('utf-8')
          return params
  
  
  class MaryTTSValidator(TTSValidator):
      def __init__(self, tts):
          super(MaryTTSValidator, self).__init__(tts)
  
      def validate_lang(self):
          # TODO
          pass
  
      def validate_connection(self):
          try:
              resp = requests.get(self.tts.url + "/version", verify=False)
              if resp.content.find('Mary TTS server') < 0:
                  raise Exception('Invalid MaryTTS server.')
          except Exception:
              raise Exception(
                  'MaryTTS server could not be verified. Check your connection '
                  'to the server: ' + self.tts.url)
  
      def get_tts_class(self):
          return MaryTTS
  
new_contents: # Copyright 2017 Mycroft AI Inc.
  #
  # 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.
  #
  import requests
  
  from mycroft.tts import TTSValidator
  from mycroft.tts.remote_tts import RemoteTTS
  
  
  class MaryTTS(RemoteTTS):
      PARAMS = {
          'LOCALE': 'en_US',
          'VOICE': 'cmu-slt-hsmm',
          'INPUT_TEXT': 'Hello World',
          'INPUT_TYPE': 'TEXT',
          'AUDIO': 'WAVE_FILE',
          'OUTPUT_TYPE': 'AUDIO'
      }
  
      def __init__(self, lang, config):
          super(MaryTTS, self).__init__(lang, config, config.get('url'),
                                        '/process', MaryTTSValidator(self))
  
      def build_request_params(self, sentence):
          params = self.PARAMS.copy()
          params['LOCALE'] = self.lang
          params['VOICE'] = self.voice
          params['INPUT_TEXT'] = sentence.encode('utf-8')
          return params
  
  
  class MaryTTSValidator(TTSValidator):
      def __init__(self, tts):
          super(MaryTTSValidator, self).__init__(tts)
  
      def validate_lang(self):
          # TODO
          pass
  
      def validate_connection(self):
          try:
              resp = requests.get(self.tts.url + "/version", verify=False)
              if resp.status_code == 200:
                  return True
          except Exception:
              raise Exception(
                  'MaryTTS server could not be verified. Check your connection '
                  'to the server: ' + self.tts.url)
  
      def get_tts_class(self):
          return MaryTTS
  
subject: Fix missing param when setting up MaryTTS and how it validates a connection