def invalidate_all(self):
LOG.debug('<STR_LIT>')<EOL>appcache = str(self.get_app_cache())<EOL>for dirpath, dirnames, filenames in os.walk(appcache):<EOL><INDENT>for name in filenames:<EOL><INDENT>try:<EOL><INDENT>pathlib.Path(dirpath, name).unlink()<EOL><DEDENT>except OSError:<EOL><INDENT>pass<EOL><DEDENT><DEDENT><DEDENT>
Clear all items from the cache