text: # 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 json
  
  from genericpath import exists, isfile
  from os.path import join, expanduser
  
  from mycroft.configuration import Configuration
  from mycroft.util.log import LOG
  
  
  # The following lines are replaced during the release process.
  # START_VERSION_BLOCK
  CORE_VERSION_MAJOR = 19
  CORE_VERSION_MINOR = 8
  CORE_VERSION_BUILD = 6
  # END_VERSION_BLOCK
  
  CORE_VERSION_TUPLE = (CORE_VERSION_MAJOR,
                        CORE_VERSION_MINOR,
                        CORE_VERSION_BUILD)
  CORE_VERSION_STR = '.'.join(map(str, CORE_VERSION_TUPLE))
  
  
  class VersionManager:
      @staticmethod
      def get():
          data_dir = expanduser(Configuration.get()['data_dir'])
          version_file = join(data_dir, 'version.json')
          if exists(version_file) and isfile(version_file):
              try:
                  with open(version_file) as f:
                      return json.load(f)
              except Exception:
                  LOG.error("Failed to load version from '%s'" % version_file)
          return {"coreVersion": None, "enclosureVersion": None}
  
  
  def check_version(version_string):
      """
          Check if current version is equal or higher than the
          version string provided to the function
  
          Args:
              version_string (string): version string ('Major.Minor.Build')
      """
      version_tuple = tuple(map(int, version_string.split('.')))
      return CORE_VERSION_TUPLE >= version_tuple
  