base.py 文件源码

def __call__(cls, *args, **kwargs):
        uploads_in_blob = kwargs.get('adapter_args', {}).get(
            'uploads_in_blob', cls.uploads_in_blob)
        cls.uploads_in_blob = uploads_in_blob

        entity_quoting = kwargs.get('entity_quoting', False)
        if 'entity_quoting' in kwargs:
            del kwargs['entity_quoting']

        obj = super(AdapterMeta, cls).__call__(*args, **kwargs)
        if not entity_quoting:
            quot = obj.QUOTE_TEMPLATE = '%s'
            regex_ent = r'(\w+)'
        else:
            quot = obj.QUOTE_TEMPLATE
            regex_ent = REGEX_NO_GREEDY_ENTITY_NAME
        obj.REGEX_TABLE_DOT_FIELD = re.compile(
            r'^' + quot % regex_ent + r'\.' + quot % regex_ent + r'$')

        return obj