text: # coding=utf-8
  
  # Copyright 2016 MarkLogic Corporation
  # 
  # 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 logging
  import getpass
  
  logger = logging.getLogger('mlvm')
  
  def promptCredentials(realm, verify=False):
      """ Callback to prompt for username and password """
      user = raw_input('Username for ' + realm + ': ') # TODO: Validation
      password = getpass.getpass('Password for ' + user + ' on ' + realm + ': ')
      if verify:
          password2 = getpass.getpass('Verify password: ')
          if password2 != password:
              raise Exception('The passwords do not match')
  
      return {'user': user, 'password': password}
  
  def show_progress(amt, total, stream = None):
      logger.debug(str(amt) + ' of ' + str(total))