old_contents: # -*- coding: utf-8 -*-
  
  # Copyright (c) 2015-2016 Ericsson AB
  #
  # 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 os
  
  from calvin.utilities.calvinlogger import get_logger
  
  _log = get_logger(__name__)
  
  
  def get_home():
      from os.path import expanduser
      return expanduser("~")
  
  
  def get_local_ip():
      import socket
      return [(s.connect(('8.8.8.8', 80)), s.getsockname()[0], s.close())
              for s in [socket.socket(socket.AF_INET, socket.SOCK_DGRAM)]][0][1]
  
  
  def enum(*sequential, **named):
      enums = dict(zip(sequential, range(len(sequential))), **named)
      reverse = dict((value, key) for key, value in enums.iteritems())
      enums['reverse_mapping'] = reverse
      return type('Enum', (), enums)
  
  
  def ensure_path(d):
      if not os.path.exists(d):
          os.makedirs(d)
  
  
  def ensure_dir(f):
      d = os.path.dirname(f)
      if not os.path.exists(d):
          os.makedirs(d)
  
  
  def uniq_list(seq):
      seen = set()
      seen_add = seen.add
      return [x for x in seq if not (x in seen or seen_add(x))]
  
new_contents: # -*- coding: utf-8 -*-
  
  # Copyright (c) 2015-2016 Ericsson AB
  #
  # 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 os
  
  from calvin.utilities.calvinlogger import get_logger
  
  _log = get_logger(__name__)
  
  
  def get_home():
      from os.path import expanduser
      return expanduser("~")
  
  
  def get_local_ip():
      import socket
      return [(s.connect(('8.8.8.8', 80)), s.getsockname()[0], s.close())
              for s in [socket.socket(socket.AF_INET, socket.SOCK_DGRAM)]][0][1]
  
  
  def enum(*sequential, **named):
      enums = dict(zip(sequential, range(len(sequential))), **named)
      reverse = dict((value, key) for key, value in enums.iteritems())
      enums['reverse_mapping'] = reverse
      return type('Enum', (), enums)
  
  
  def ensure_path(d):
      if not os.path.exists(d):
          os.makedirs(d)
  
  
  def ensure_dir(f):
      d = os.path.dirname(f)
      if not os.path.exists(d):
          os.makedirs(d)
  
  
  def uniq_list(seq):
      seen = set()
      seen_add = seen.add
      return [x for x in seq if not (x in seen or seen_add(x))]
  
  class Mock(object):
      """A mock object that returns same answer to any attr or dict"""
      def __init__(self, value):
          super(Mock, self).__init__()
          self.value = value
  
      def __getattr__(self, name):
          return self.value
  
      def __getitem__(self, name):
          return self.value
subject: Introduce a Mock class that will return a specified value on all attributes and index/keys. Useful as default object when directly getting an attribute to check. example: if mydictionary.get(key, Mock(False)).done: print mydictionary[key]