code: def paths_from_iddname(iddname):
      
      eplus_home = os.path.abspath(os.path.dirname(iddname))
      if platform.system() == 'Windows':
          eplus_exe = os.path.join(eplus_home, 'energyplus.exe')
      elif platform.system() == "Linux":
          eplus_exe = os.path.join(eplus_home, 'energyplus')
      else:
          eplus_exe = os.path.join(eplus_home, 'energyplus')
      if not os.path.isfile(eplus_exe):
          raise ValueError
      return eplus_exe, eplus_home
docs: Get the EnergyPlus install directory and executable path.
  
      Parameters
      ----------
      iddname : str, optional
          File path to the IDD.
  
      Returns
      -------
      eplus_exe : str
          Full path to the EnergyPlus executable.
      eplus_home : str
          Full path to the EnergyPlus install directory.
  
      Raises
      ------
      AttributeError (TypeError on Windows)
          If iddname does not have a directory component (e.g. if None).
      ValueError
          If eplus_exe is not a file.