old_contents: from __future__ import print_function
  import sys
  
  
  _COLOR_CODES = {
      "white": '\033[0m',
      "red":  '\033[31m',
      "green": '\033[32m',
      "orange": '\033[33m',
      "blue": '\033[34m',
      "purple": '\033[35m',
      "W": '\033[0m',
      "R":  '\033[31m',
      "G": '\033[32m',
      "O": '\033[33m',
      "B": '\033[34m',
      "P": '\033[35m'
  }
  
  
  def console_log(data, color="white", end="\n"):
      """
      log data to console.
      (if not flush console log, Gitlab-CI won't update logs during job execution)
  
      :param data: data content
      :param color: color
      """
      if color not in _COLOR_CODES:
          color = "white"
      color_codes = _COLOR_CODES[color]
      print(color_codes + data, end=end)
      if color not in ["white", "W"]:
          # reset color to white for later logs
          print(_COLOR_CODES["white"] + "\r")
      sys.stdout.flush()
  
new_contents: from __future__ import print_function
  import sys
  
  
  _COLOR_CODES = {
      "white": u'\033[0m',
      "red":  u'\033[31m',
      "green": u'\033[32m',
      "orange": u'\033[33m',
      "blue": u'\033[34m',
      "purple": u'\033[35m',
      "W": u'\033[0m',
      "R": u'\033[31m',
      "G": u'\033[32m',
      "O": u'\033[33m',
      "B": u'\033[34m',
      "P": u'\033[35m'
  }
  
  
  def console_log(data, color="white", end="\n"):
      """
      log data to console.
      (if not flush console log, Gitlab-CI won't update logs during job execution)
  
      :param data: data content
      :param color: color
      """
      if color not in _COLOR_CODES:
          color = "white"
      color_codes = _COLOR_CODES[color]
      if type(data) is type(b''):
          data = data.decode('utf-8', 'replace')
      print(color_codes + data, end=end)
      if color not in ["white", "W"]:
          # reset color to white for later logs
          print(_COLOR_CODES["white"] + u"\r")
      sys.stdout.flush()
  
subject: Make Utility.console_log accept Unicode and byte strings as well