a &ddlmZdZdZddZdS))urlsafe_b64encodec8|dS|}d|D}i}|D]p}t|dks|d}|d}||vr|||j|g||<q|S)a Convert raw headers (single multi-line bytestring) to a dictionary. For example: >>> import w3lib.http >>> w3lib.http.headers_raw_to_dict(b"Content-type: text/html\n\rAccept: gzip\n\n") # doctest: +SKIP {'Content-type': ['text/html'], 'Accept': ['gzip']} Incorrect input: >>> w3lib.http.headers_raw_to_dict(b"Content-typt gzip\n\n") {} >>> Argument is ``None`` (return ``None``): >>> w3lib.http.headers_raw_to_dict(None) >>> Nc:g|]}|ddS):)split).0headers *lib/python3.11/site-packages/w3lib/http.py z'headers_raw_to_dict..s&BBBfll4++BBBrr) splitlineslenstripappend) headers_rawheadersheaders_tuples result_dict header_itemitem_key item_values r headers_raw_to_dictrs0t$$&&GBB'BBBNK% 1 1 ;1$$ q>'')) ^))++ { " "  ! ( ( 4 4 4 4%/LK ! ! r c|dSg}|D]\}}t|tr+|d||gEt|t t fr/|D],}|d||g-d|S)a Returns a raw HTTP headers representation of headers For example: >>> import w3lib.http >>> w3lib.http.headers_dict_to_raw({b'Content-type': b'text/html', b'Accept': b'gzip'}) # doctest: +SKIP 'Content-type: text/html\\r\\nAccept: gzip' >>> Note that keys and values must be bytes. Argument is ``None`` (returns ``None``): >>> w3lib.http.headers_dict_to_raw(None) >>> Ns: s )items isinstancebytesrjoinlisttuple) headers_dict raw_lineskeyvaluevs r headers_dict_to_rawr'1s(tI"((**77 U eU # # 7   UZZe 55 6 6 6 6 e} - - 7 7 7  S!H!5!56666 << " ""r ISO-8859-1c|d|}t|ts||}dt|zS)aA Return an `Authorization` header field value for `HTTP Basic Access Authentication (RFC 2617)`_ >>> import w3lib.http >>> w3lib.http.basic_auth_header('someuser', 'somepass') 'Basic c29tZXVzZXI6c29tZXBhc3M=' .. _HTTP Basic Access Authentication (RFC 2617): http://www.ietf.org/rfc/rfc2617.txt :sBasic )rrencoder)usernamepasswordencodingauths r basic_auth_headerr0QsMhh )D dE " "%{{8$$ (.. ..r N)r()base64rrr'r0r r r3sU$$$$$$***Z###@//////r