text: # (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
  #
  # This file is part of Ansible
  #
  # Ansible is free software: you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation, either version 3 of the License, or
  # (at your option) any later version.
  #
  # Ansible is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
  from __future__ import (absolute_import, division, print_function)
  __metaclass__ = type
  
  import os
  from errno import EEXIST
  from ansible.errors import AnsibleError
  from ansible.module_utils._text import to_bytes, to_native, to_text
  
  
  __all__ = ['unfrackpath', 'makedirs_safe']
  
  
  def unfrackpath(path, follow=True):
      '''
      Returns a path that is free of symlinks (if follow=True), environment variables, relative path traversals and symbols (~)
  
      :arg path: A byte or text string representing a path to be canonicalized
      :arg follow: A boolean to indicate of symlinks should be resolved or not
      :raises UnicodeDecodeError: If the canonicalized version of the path
          contains non-utf8 byte sequences.
      :rtype: A text string (unicode on pyyhon2, str on python3).
      :returns: An absolute path with symlinks, environment variables, and tilde
          expanded.  Note that this does not check whether a path exists.
  
      example::
          '$HOME/../../var/mail' becomes '/var/spool/mail'
      '''
  
      if follow:
          final_path = os.path.normpath(os.path.realpath(os.path.expanduser(os.path.expandvars(to_bytes(path, errors='surrogate_or_strict')))))
      else:
          final_path = os.path.normpath(os.path.abspath(os.path.expanduser(os.path.expandvars(to_bytes(path, errors='surrogate_or_strict')))))
  
      return to_text(final_path, errors='surrogate_or_strict')
  
  def makedirs_safe(path, mode=None):
      '''Safe way to create dirs in muliprocess/thread environments.
  
      :arg path: A byte or text string representing a directory to be created
      :kwarg mode: If given, the mode to set the directory to
      :raises AnsibleError: If the directory cannot be created and does not already exists.
      :raises UnicodeDecodeError: if the path is not decodable in the utf-8 encoding.
      '''
  
      rpath = unfrackpath(path)
      b_rpath = to_bytes(rpath)
      if not os.path.exists(b_rpath):
          try:
              if mode:
                  os.makedirs(b_rpath, mode)
              else:
                  os.makedirs(b_rpath)
          except OSError as e:
              if e.errno != EEXIST:
                  raise AnsibleError("Unable to create local directories(%s): %s" % (to_native(rpath), to_native(e)))
  