def init_config(self, app):
app.config.setdefault(<EOL>'<STR_LIT>', '<STR_LIT>')<EOL>for k in dir(config):<EOL><INDENT>if k.startswith('<STR_LIT>'):<EOL><INDENT>app.config.setdefault(k, getattr(config, k))<EOL><DEDENT><DEDENT>
Initialize configuration.