urls.py 文件源码

def _url_encode_impl(obj, charset, encode_keys, sort, key):
    iterable = iter_multi_items(obj)
    if sort:
        iterable = sorted(iterable, key=key)
    for key, value in iterable:
        if value is None:
            continue
        if not isinstance(key, bytes):
            key = text_type(key).encode(charset)
        if not isinstance(value, bytes):
            value = text_type(value).encode(charset)
        yield url_quote_plus(key) + '=' + url_quote_plus(value)