old_contents: import os
  from functools import lru_cache
  
  from .. import logger
  # use absolute path because of re-occuraing imports '.' could not work
  from .program_path_provider import get_cached_program_path
  
  
  @lru_cache(maxsize=None)
  def get_cached_program_drive():
      """Get the value of the #PROGRAMDRIVE# variable"""
  
      rainmeterpath = get_cached_program_path()
  
      if not rainmeterpath:
          logger.info(__file__, "get_cached_program_drive", "Rainmeter program path not found.")
          return
  
      probe_drive = os.path.splitdrive(rainmeterpath)
      if not probe_drive:
          logger.info(__file__, "get_cached_program_drive", "Drive could not be extracted from '" + rainmeterpath + "'.")
          return
  
      # can be either a drive like C:\
      # or an UNC Mount Point like //host/computer
      return probe_drive[0]
  
new_contents: """
  This module provides methods for determine the program drive.
  
  Rainmeter has an built-in variable called #PROGRAMDRIVE#.
  With this you can directly route to the drive in which Rainmeter is contained.
  If by some chance people use @Include on #PROGRAMDRIVE# it is still able to resolve
  the path and open the include for you.
  """
  
  import os
  from functools import lru_cache
  
  from .. import logger
  # use absolute path because of re-occuraing imports '.' could not work
  from .program_path_provider import get_cached_program_path
  
  
  @lru_cache(maxsize=None)
  def get_cached_program_drive():
      """Get the value of the #PROGRAMDRIVE# variable."""
      rainmeterpath = get_cached_program_path()
  
      if not rainmeterpath:
          logger.info(__file__, "get_cached_program_drive", "Rainmeter program path not found.")
          return
  
      probe_drive = os.path.splitdrive(rainmeterpath)
      if not probe_drive:
          logger.info(
              __file__,
              "get_cached_program_drive",
              "Drive could not be extracted from '" + rainmeterpath + "'."
          )
          return
  
      # can be either a drive like C:\
      # or an UNC Mount Point like //host/computer
      return probe_drive[0]
  
subject: Add docstring to program drive provider