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# ******************************************************

# * Copyright © 2017-2023 - Jordan Irwin (AntumDeluge) *

# ******************************************************

# * This software is licensed under the MIT license.   *

# * See: LICENSE.txt for details.                      *

# ******************************************************



## @module globals.stage



import os

import shutil



from globals.dateinfo import GetDate

from globals.dateinfo import dtfmt

from libdebreate      import appinfo





## Creates a directory for storing temporary files.

#

#  @return

#    Path to new stage directory, or None if failed.

def CreateStage():

  stage = "/tmp"



  # Use current working directory if no write access to /tmp

  if not os.access(stage, os.W_OK):

    stage = os.getcwd()



  #suffix = "{}{}{}_".format(GetYear(), GetMonthInt(), GetDayInt())



  #suffix = "_temp"

  suffix = GetDate(dtfmt.STAMP)



  stage = "{}/{}-{}_{}".format(stage, appinfo.getName().lower(), appinfo.getVersionString(), suffix)



  if os.access(os.path.dirname(stage), os.W_OK):

    # Start with fresh directory

    if os.path.isdir(stage):

      shutil.rmtree(stage)



    elif os.path.isfile(stage):

      os.remove(stage)



    os.makedirs(stage)



    if os.path.isdir(stage):

      return stage





## Remove a previously created stage directory.

#

#  @param stage

#    Absolute path to directory to remove.

#  @return

#    `True` if stage does not exist.

def RemoveStage(stage):

  if os.access(stage, os.W_OK):

    shutil.rmtree(stage)

  return not os.path.exists(stage)