def __init__(self,file_name):
'''
@param file_name the name of the file that which is being overwritten
@exception raised if the file_name does not exist on the file system
@exception raised if the file_name has a unrecognized (or no) type
'''
if not os.path.exists(file_name): raise
splt = file_name.split(".")
if len(splt) < 2: raise
if EMUtil.get_image_ext_type(splt[-1]) == EMUtil.ImageType.IMAGE_UNKNOWN:
raise
self.__file_ext = "."+splt[-1]
EMTmpFileHandleBase.__init__(self)
self.__file_name = get_file_tag(file_name)
self.__full_file_name = file_name
self.__tmp_file_name = None
self.__establish_tmp_file_name()
def __init__(self,file_name):
'''
@param file_name the name of the file that which is being overwritten
@exception if either the .hed or .img file corrsponding to the old_file_name does not exist on the file system
@exception if the old_file_name is not an imagic file
'''
splt = file_name.split(".")
if len(splt) < 2 or splt[-1] not in ["img","hed"]: raise
self.__file_name_root = get_file_tag(file_name)
if not os.path.exists(self.__file_name_root+".img"): raise
if not os.path.exists(self.__file_name_root+".hed"): raise
EMTmpFileHandleBase.__init__(self)
self.__file_name_root_hed = self.__file_name_root+".hed"
self.__file_name_root_img = self.__file_name_root+".img"
self.__establish_tmp_file_name()
