a $ddlmZdZdZddZy))urlsafe_b64encodec.|y|j}|Dcgc]}|jdd}}i}|D]V}t|dk(s|dj}|dj}||vr||j |Q|g||<X|Scc}w)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) >>> N:r) splitlinessplitlenstripappend) headers_rawheadersheaderheaders_tuples result_dict header_itemitem_key item_values *lib/python3.12/site-packages/w3lib/http.pyheaders_raw_to_dictrs0$$&G:AB'fll4+'NBK% ;1$ q>'') ^))+ { "  ! ( ( 4%/LK !& CsBcD|yg}|jD]x\}}t|tr#|jdj ||g9t|t t fsP|D]$}|jdj ||g&zdj |S)a Returns a raw HTTP headers representation of headers For example: >>> import w3lib.http >>> w3lib.http.headers_dict_to_raw({b'Content-type': b'text/html', b'Accept': b'gzip'}) # doctest: +SKIP 'Content-type: text/html\\r\\nAccept: gzip' >>> Note that keys and values must be bytes. Argument is ``None`` (returns ``None``): >>> w3lib.http.headers_dict_to_raw(None) >>> Ns: s )items isinstancebytesr joinlisttuple) headers_dict raw_lineskeyvaluevs rheaders_dict_to_rawr#1s(I"((* U eU #   UZZe 5 6 e} -  S!H!56 + << ""cn|d|}t|ts|j|}dt|zS)aA Return an `Authorization` header field value for `HTTP Basic Access Authentication (RFC 2617)`_ >>> import w3lib.http >>> w3lib.http.basic_auth_header('someuser', 'somepass') 'Basic c29tZXVzZXI6c29tZXBhc3M=' .. _HTTP Basic Access Authentication (RFC 2617): http://www.ietf.org/rfc/rfc2617.txt :sBasic )rrencoder)usernamepasswordencodingauths rbasic_auth_headerr,Qs9 )D dE "{{8$ (. ..r$N)z ISO-8859-1)base64rrr#r,r$rr/s$*Z#@/r$