def _grab_file_info(self): "Populate file-based metadata about this song." import os #Overload the hash function with whatever Melodia as a whole is using from Melodia.melodia_settings import HASH_FUNCTION as hash file_handle = open(self._get_full_url, 'rb') self.file_hash = hash(file_handle.read()) self.file_size = os.stat(self._get_full_url).st_size
def _file_not_changed(self): "Make sure the hash for this file is valid - return True if it has not changed." #Overload the hash function with whatever Melodia as a whole is using from Melodia.melodia_settings import HASH_FUNCTION as hash #Check if there's a hash entry - if there is, the song may not have changed, #and we can go ahead and return if self.file_hash != None: song_file = open(self._get_full_url, 'rb') current_file_hash = hash(song_file.read()) if current_file_hash == self.file_hash: #The song data hasn't changed at all, we don't need to do anything return True return False
