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ValueTerminalc C s | S)Nr )r r r r r s zValueTerminal.valuec C s d S)NFr )r r r r rA s z ValueTerminal.startswith_fwsFc C s t j t | | S)N)rQ rR r
)r rS r r r rU s z ValueTerminal.as_encoded_wordN)r1 r2 r3 rh r rA r) rU r r r r r s r c @ sF e Z d Z e d d Z e d d Z d d Z d Z d S) EWWhiteSpaceTerminalc C s d S)Nr# r )r r r r r ! s zEWWhiteSpaceTerminal.valuec C s | d d S)Nr )r r r r r % s z EWWhiteSpaceTerminal.encodedc C s d S)Nr# r )r r r r r% ) s z EWWhiteSpaceTerminal.__str__TN)r1 r2 r3 rh r r r% r) r r r r r s r r ,zlist-separatorr zroute-component-markerz([{}]+)r# z[^{}]+r z\\]z\]z[\x00-\x20\x7F]c C sW t | } | r+ | j j t j | t j | rS | j j t j d d S)Nz*Non-ASCII characters found in header token)_non_printable_finderr6 r r ZNonPrintableDefectr r rY )xtextZnon_printablesr r r _validate_xtextW s r c C s t | d ^ } } g } d } d } x t t | D]e } | | d k rn | re d } d } n d } q: | r} d } n | | | k r P| j | | q: W| d } d j | d j | | d g | | f S)Nr' Fr Tr# )
_wsp_splitterranger( r r$ )r endcharsZfragmentr{ Zvcharsescapehad_qpposr r r _get_ptext_to_endcharsa s$
r c C s? | j } t | d t | t | d } | | f S)NrF )r r r( )r ZnewvaluerF r r r get_fws s )r c
C s< t } | j d s0 t j d j | | d d j d d ^ } } | | d d k r t j d j | d j | } t | d k r | d t k r | d t k r | j d d ^ } } | d | } t | j d k r| j j
t j d | | _ d j | } y' t
j d | d \ } } } } Wn- t k
rt j d j | j Yn X| | _ | | _ | j j | x | r1| d t k rt | \ }
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|
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} t | | j
| d j | } qW| | f S) Nz=?z"expected encoded word but found {}r z?=r' r# r z whitespace inside encoded wordz!encoded word format invalid: '{}'vtext)r
startswithr HeaderParseErrorr= r r$ r( r r6 r r r rQ r r rS r r WSPr r r r )
r Zewr r{ Zremstrr r rS r r6 r, charsr r r r get_encoded_word sH "2
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r c C so t } x_| rj| d t k rD t | \ } } | j | q | j d r y t | \ } } Wn t j k
r Yn Xd } t | d k r | d j d k r | j
j t j d d } | r
t | d k r
| d
j d k r
t | d d | d <| j | q t
| d ^ } } t | d
} t | | j | d j | } q W| S)Nr z=?Tr' rF z&missing whitespace before encoded wordFr z encoded-wordr r# rJ rJ rJ )rn r r r r r r r r( rG r6 r r r r r r$ )r ro r, Zhave_wsr r{ r r r r rp s:
rp c C s; t | d \ } } } t | d } t | | | f S)Nz()r )r r r )r r _r r r get_qp_ctext s
r
c C s; t | d \ } } } t | d } t | | | f S)Nr r )r r r )r r r r r r get_qcontent s
r c C so t | } | s* t j d j | | j } | t | d } t | d } t | | | f S)Nz expected atext but found '{}'atext)_non_atom_end_matcherr r r= r r( r r )r mr r r r get_atext
s
r c C sQ | d d k r( t j d j | t } | d d } x | r| d d k r| d t k r t | \ } } n | d d d k r y/ t | \ } } | j j t j d Wqt j k
r t
| \ } } YqXn t
| \ } } | j | qD W| s=| j j t j d | | f S| | d d f S) Nr r zexpected '"' but found '{}'r' r z=?z!encoded word inside quoted stringz"end of header inside quoted string) r r r= r r r r r6 r r r )r Zbare_quoted_stringr, r r r get_bare_quoted_string s,
r c C s
| r. | d d k r. t j d j | t } | d d } x | r | d d k r | d t k r t | \ } } n7 | d d k r t | \ } } n t | \ } } | j | qJ W| s | j j t j
d | | f S| | d d f S)Nr r zexpected '(' but found '{}'r' r z end of header inside comment) r r r= r r r get_commentr
r r6 r )r rk r, r r r r < s"
r c C st t } x^ | ri | d t k ri | d t k rG t | \ } } n t | \ } } | j | q W| | f S)Nr )r~ CFWS_LEADERr r r r )r rI r, r r r get_cfwsU s r c C s t } | r> | d t k r> t | \ } } | j | t | \ } } | j | | r | d t k r t | \ } } | j | | | f S)Nr )r r r r r )r Z
quoted_stringr, r r r get_quoted_stringb s
r c C s t } | r> | d t k r> t | \ } } | j | | rl | d t k rl t j d j | | j d r y t | \ } } Wq t j k
r t
| \ } } Yq Xn t
| \ } } | j | | r| d t k rt | \ } } | j | | | f S)Nr z expected atom but found '{}'z=?) r r r r ATOM_ENDSr r r= r r r )r r r, r r r get_atomt s$
r c C s t } | s | d t k r8 t j d j | xl | r | d t k r t | \ } } | j | | r; | d d k r; | j t | d d } q; W| d t k r t j d j d | | | f S)Nr z8expected atom at a start of dot-atom-text but found '{}'r r' z4expected atom at end of dot-atom-text but found '{}'rJ )r r r r r= r r r )r Z
dot_atom_textr, r r r get_dot_atom_text s
r c C s t } | d t k r8 t | \ } } | j | | j d r y t | \ } } Wq t j k
r t | \ } } Yq Xn t | \ } } | j | | r | d t k r t | \ } } | j | | | f S)Nr z=?) r r r r r r r r r )r Zdot_atomr, r r r get_dot_atom s
r c C s | d t k r% t | \ } } n d } | d d k rP t | \ } } n= | d t k r{ t j d j | n t | \ } } | d k r | g | d d <| | f S)Nr r z1Expected 'atom' or 'quoted-string' but found '{}')r r r SPECIALSr r r= r )r leaderr, r r r get_word s r c C sI t } y# t | \ } } | j | Wn. t j k
r\ | j j t j d Yn Xx | r>| d t k r>| d d k r | j t | j j t j d | d d } q` y t | \ } } WnV t j k
r-| d t
k r&t | \ } } | j j t j d n Yn X| j | q` W| | f S)Nz phrase does not start with wordr r zperiod in 'phrase'r' zcomment found without atom) rx r r r r r6 r PHRASE_ENDSr ObsoleteHeaderDefectr r )r ry r, r r r
get_phrase s.
r c C s t } d } | d t k r1 t | \ } } | sO t j d j | y t | \ } } Wno t j k
r y t | \ } } WnA t j k
r | d d k r | d t k r t } Yn XYn X| d k r | g | d d <| j
| | r| d d k s)| d t k rt t | | \ } } | j
d k rp| j j
t j d n | j j
t j d | | d d | _ | | f S)NFr r r zinvalid repeated '.'Tr' zmisplaced-specialz/'\' character outside of quoted-string/ccontentr zmissing '.' between wordsrI z!Invalid leading '.' in local partr z"Invalid trailing '.' in local partzinvalid-obs-local-partrJ rJ rJ r )
r r r6 r r r r r rG r r r r )r r Zlast_non_ws_was_dotr, r r r r ' sV )
r c C sZ t | d \ } } } t | d } | rF | j j t j d t | | | f S)Nz[]r z(quoted printable found in domain-literal)r r r6 r r r r )r r r r r r get_dtextV s
r" c C s: | r
d S| j t j d | j t d d d S)NFz"end of input inside domain-literalr zdomain-literal-endT)r r r r )r domain_literalr r r _check_for_early_dl_endj s
r$ c C s t } | d t k r8 t | \ } } | j | | sM t j d | d d k ru t j d j | | d d } t | | r | | f S| j t d d | d t k r t
| \ } } | j | t | \ } } | j | t | | r| | f S| d t k rJt
| \ } } | j | t | | rc| | f S| d d k rt j d j | | j t d d | d d } | r| d t k rt | \ } } | j | | | f S)
Nr zexpected domain-literal[z6expected '[' at start of domain-literal but found '{}'r' zdomain-literal-startr z4expected ']' at end of domain-literal but found '{}'zdomain-literal-end) r r r r r r r= r$ r r r r" )r r# r, r r r get_domain_literalr sD
r& c C s t } d } | d t k r1 t | \ } } | sO t j d j | | d d k r t | \ } } | d k r | g | d d <| j | | | f Sy t | \ } } Wn' t j k
r t | \ } } Yn X| r | d d k r t j d | d k r+| g | d d <| j | | r| d d k r| j
j t j d | d j d k r| d | d d zangle-addr-endz null addr-spec in angle-addrz*obsolete route specification in angle-addrz.expected addr-spec or obs-route but found '{}'z"missing trailing '>' on angle-addr)
r r r r r r r= r r6 r r( r, r )r Z
angle_addrr, r r r get_angle_addr sJ
r/ c C sR t } t | \ } } | j | d d | j d d | _ | | f S)N)r r r r6 )r r r, r r r get_display_name& s
r0 c C s5 t } d } | d t k rO t | \ } } | sO t j d j | | d d k r | d t k r t j d j | t | \ } } | s t j d j | | d k r | g | d d d .zinvalid-mailbox)
r r1 r r r( r= r\ r? rG r )r r r, r r r get_mailboxS s
r2 c C s t } xv | r | d | k r | d t k r_ | j t | d d | d d } q t | \ } } | j | q W| | f S)Nr zmisplaced-specialr' )r r r r r )r r Zinvalid_mailboxr, r r r get_invalid_mailboxh s
r3 c C sM t } x7| rB| d d k rBy# t | \ } } | j | Wn`t j k
rd } | d t k r t | \ } } | s | d d k r | j | | j j t j d qt | d \ } } | d k r | g | d d <| j | | j j t j
d n | d d k rI| j j t j d nZ t | d \ } } | d k r}| g | d d <| j | | j j t j
d Yn X| r | d d k r | d } d | _ t | d \ } } | j | | j j t j
d | r | d d k r | j t
| d d } q W| | f S)
Nr ;z,;z empty element in mailbox-listz invalid mailbox in mailbox-listr r' zinvalid-mailboxrJ )r r2 r r r r r r6 r r3 r rG r r* )r Z mailbox_listr, r r r r r get_mailbox_listz sN
r5 c C sc t } | s2 | j j t j d | | f Sd } | r | d t k r t | \ } } | s | j j t j d | j | | | f S| d d k r | j | | | f St | \ } } t | j d k r-| d k r | j | | j
| | j j t j d | | f S| d k rL| g | d d <| j | | | f S)Nz end of header before group-listr zend of header in group-listr4 z group-list with empty entries) r r6 r r r r r r5 r( r r r )r Z
group_listr r, r r r get_group_list s8
r6 c C s t } t | \ } } | s2 | d d k rJ t j d j | | j | | j t d d | d d } | r | d d k r | j t d d | | d d f St | \ } } | j | | s | j j t j d | d d k r#t j d j | | j t d d | d d } | r~| d t
k r~t | \ } } | j | | | f S)
Nr r) z8expected ':' at end of group display name but found '{}'z group-display-name-terminatorr' r4 zgroup-terminatorzend of header in groupz)expected ';' at end of group but found {}) r r0 r r r= r r r6 r6 r r r )r r r, r r r get_group s2
r7 c C s t } y t | \ } } Wn[ t j k
r| y t | \ } } Wn- t j k
rw t j d j | Yn XYn X| j | | | f S)Nz expected address but found '{}')r r7 r r r2 r= r )r r r, r r r get_address s
r8 c C s_ t } xI| rTy# t | \ } } | j | Wnt j k
r} zbd } | d t k rt | \ } } | s | d d k r | j | | j j t j d qt | d \ } } | d k r | g | d d <| j t
| g | j j t j d n | d d k rG| j j t j d nc t | d \ } } | d k r{| g | d d <| j t
| g | j j t j d WYd d } ~ Xn X| r%| d d k r%| d d } d | _ t | d \ } } | j
| | j j t j d | r | j t d d | d d } q W| | f S)
Nr r z"address-list entry with no contentz invalid address in address-listz empty element in address-listr' zinvalid-mailboxzlist-separatorrJ )r r8 r r r r r r6 r r3 r r rG r r )r Z address_listr, errr r r r r get_address_list sN
r: c C ss t } | s, | j j t j d | S| d t k rz t | \ } } | j | | sz | j j t j d d } xH | r | d d k r | d t k r | | d 7} | d d } q W| j s| j j t j d j | | j t
| d n% t | | _ | j t
| d | rl| d t k rlt | \ } } | j | | s| d d k r| j d k r| j j t j d
| r| j t
| d | S| j t
d d | d d } | r&| d t k r&t | \ } } | j | | sX| j d k rT| j j t j d
| Sd } x8 | r| d t k r| | d 7} | d d } qaW| j s| j j t j d j | | j t
| d n% t | | _
| j t
| d | r:| d t k r:t | \ } } | j | | ro| j j t j d
| j t
| d | S)Nz%Missing MIME version number (eg: 1.0)r z0Expected MIME version number but found only CFWSr# r r' z1Expected MIME major version number but found {!r}r digitsz0Incomplete MIME version; found only major numberzversion-separatorz1Expected MIME minor version number but found {!r}z'Excess non-CFWS text after MIME version)r r6 r r HeaderMissingRequiredValuer r isdigitr r= r intr r )r Z mime_versionr, r; r r r parse_mime_versionQ sv
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r? c C s t } xv | r | d d k r | d t k r_ | j t | d d | d d } q t | \ } } | j | q W| | f S)Nr r4 zmisplaced-specialr' )r r r r r )r Zinvalid_parameterr, r r r get_invalid_parameter s
r@ c C so t | } | s* t j d j | | j } | t | d } t | d } t | | | f S)Nz expected ttext but found '{}'ttext)_non_token_end_matcherr r r= r r( r r )r r rA r r r get_ttext s
rC c C s t } | r> | d t k r> t | \ } } | j | | rl | d t k rl t j d j | t | \ } } | j | | r | d t k r t | \ } } | j | | | f S)Nr z expected token but found '{}') r r r r
TOKEN_ENDSr r r= rC )r Zmtokenr, r r r get_token s
rE c C so t | } | s* t j d j | | j } | t | d } t | d } t | | | f S)Nz expected attrtext but found {!r}r )_non_attribute_end_matcherr r r= r r( r r )r r r r r r get_attrtext s
rG c C s t } | r> | d t k r> t | \ } } | j | | rl | d t k rl t j d j | t | \ } } | j | | r | d t k r t | \ } } | j | | | f S)Nr z expected token but found '{}') r r r r ATTRIBUTE_ENDSr r r= rG )r r r, r r r
get_attribute s
rI c C so t | } | s* t j d j | | j } | t | d } t | d } t | | | f S)Nz)expected extended attrtext but found {!r}zextended-attrtext)#_non_extended_attribute_end_matcherr r r= r r( r r )r r r r r r get_extended_attrtext s
rK c C s t } | r> | d t k r> t | \ } } | j | | rl | d t k rl t j d j | t | \ } } | j | | r | d t k r t | \ } } | j | | | f S)Nr z expected token but found '{}') r r r r EXTENDED_ATTRIBUTE_ENDSr r r= rK )r r r, r r r get_extended_attribute
s
rM c C s3 t } | s | d d k r8 t j d j | | j t d d | d d } | sv | d j r t j d j | d } x8 | r | d j r | | d 7} | d d } q W| d d k r| d k r| j j t j d t | | _
| j t | d
| | f S) Nr *z Expected section but found {}zsection-markerr' z$Expected section number but found {}r# 0z§ion numberhas an invalid leading 0r; ) r r r r= r r r= r6 ZInvalidHeaderErrorr> r )r r r; r r r get_section#
s$ rP c C s t } | s t j d d } | d t k rF t | \ } } | sd t j d j | | d d k r t | \ } } n t | \ } } | d k r | g | d d <| j | | | f S)Nz&Expected value but found end of stringr z Expected value but found only {}r ) r r r r r r= r rM r )r vr r, r r r get_valueA
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rR c C s t } t | \ } } | j | | s? | d d k rk | j j t j d j | | | f S| d d k ry, t | \ } } d | _ | j | Wn t j k
r Yn X| s t j d | d d k r| j t
d d | d d } d | _ | d d k r2t j d
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d d | d d } d } | r| d t k rt
| \ } } | j | d } | } | j r| r| d d k rt | \ } } | j } d
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d } qkt | \ } } | rk| d d k rkd } n- y t | \ } } Wn Yn
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} PqW| } n d } | j j t j d | r| d d k rd } n t | \ } } | j s@| j d k r| sW| d d k r| j | | d k rv| } | | f S| j j t j d | s| j j t j d | j | | d k r| | f Sn7| d k r1x | D] }
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j | _ | d d k rYt j d j | | j t
d d | d d } | r| d d k rt | \ } } | j | | j | _ | s| d d k rt j d j | | j t
d d | d d } | d k rt } x | r| d t k rXt | \ } } nD | d d k rt
d d } | d d } n t | \ } } | j | q-W| } n t | \ } } | j | | d k r| } | | f S)Nr r4 z)Parameter contains name ({}) but no valuerN TzIncomplete parameterzextended-parameter-markerr' =z Parameter not followed by '='zparameter-separatorr F'z5Quoted string value for extended parameter is invalidzbare-quoted-stringzZParameter marked as extended but appears to have a quoted string value that is non-encodedzcApparent initial-extended-value but attribute was not marked as extended or was not initial sectionz(Missing required charset/lang delimiterszextended-attrtextr z=Expected RFC2231 char/lang encoding delimiter, but found {!r}zRFC2231 delimiterz;Expected RFC2231 char/lang encoding delimiter, but found {}ZDQUOTE) r rI r r6 r r r= rP r r r r r r r r r rG rK rG rR r rS r r r r r ) r r r, r r{ ZappendtoZqstringZ inner_valueZ
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rV c C s t } x| ry# t | \ } } | j | Wnt j k
r=} z d } | d t k ru t | \ } } | s | j | | S| d d k r | d k r | j | | j j t j d nZ t | \ } } | r | g | d d <| j | | j j t j d j
| WYd d } ~ Xn X| r| d d k r| d } d | _ t | \ } } | j | | j j t j d j
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rW c C s xv | rx | d d k rx | d t k rV | j t | d d | d d } q t | \ } } | j | q W| s d S| j t d d | j t | d d d S)Nr r4 zmisplaced-specialr' zparameter-separator)r r r r rW )Z tokenlistr r, r r r _find_mime_parameters s rX c C s; t } d } | s2 | j j t j d | Sy t | \ } } WnH t j k
r | j j t j d j | t | | | SYn X| j | | s | d d k r | j j t j d | r t | | | S| j
j j | _
| j t d d | d d } y t | \ } } WnH t j k
r| j j t j d j | t | | | SYn X| j | | j
j j | _ | s| S| d d
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NFz"Missing content type specificationz(Expected content maintype but found {!r}r /zInvalid content typezcontent-type-separatorr' z'Expected content subtype but found {!r}r4 zF s
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