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startswithr HeaderParseErrorr# rw r! rk r r rS r rO _ewr
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r ewr r Zremstrrestr rP rQ r r. charsr r r r get_encoded_word sH
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r c C s t }x| r | d tkr4t| \}} |j| q
| jdryt| \}} W n tjk
rd Y nrX d}t|dkr|d j dkr|j
jtj d d}|rt|dkr|d
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r c C s* t | d\}} }t|d}t| || fS )Nz()r )r r r )r r _r r r get_qp_ctextY s
r c C s* t | d\}} }t|d}t| || fS )Nr
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r c C sN t | }|s tjdj| |j }| t|d } t|d}t| || fS )Nz expected atext but found '{}'atext)_non_atom_end_matcherr r r# ra rk r r )r mr r r r get_atexty s
r c C s | d dkr t jdj| t }| dd } | d dkrPt| \}} |j| x| r| d dkr| d tkr|t| \}} nd| d d dkry"t| \}} |j jt j
d W q t jk
r t| \}} Y qX n t| \}} |j| qRW | s|j jt j
d || fS || dd fS ) Nr r
zexpected '"' but found '{}'rj rh z=?z!encoded word inside quoted stringz"end of header inside quoted string) r r r# rW r rS r r r r r )r Zbare_quoted_stringr. r r r get_bare_quoted_string s2
r c C s | r | d dkr t jdj| t }| dd } x^| r| d dkr| d tkr^t| \}} n&| d dkrxt| \}} n t| \}} |j| q4W | s|j jt j
d || fS || dd fS )Nr r zexpected '(' but found '{}'rj rZ z end of header inside comment) r r r# rX r r get_commentr rS r r )r rA r. r r r r s"
r c C sT t }xD| rJ| d tkrJ| d tkr2t| \}} n t| \}} |j| qW || fS )Nr )rI CFWS_LEADERr r r rS )r rJ r. r r r get_cfws s r c C sp t }| r,| d tkr,t| \}} |j| t| \}} |j| | rh| d tkrht| \}} |j| || fS )Nr )rR r r rS r )r Z
quoted_stringr. r r r get_quoted_string s
r c C s t }| r,| d tkr,t| \}} |j| | rL| d tkrLtjdj| | jdryt | \}} W q tjk
r t
| \}} Y qX n t
| \}} |j| | r| d tkrt| \}} |j| || fS )Nr z expected atom but found '{}'z=?) rK r r rS ATOM_ENDSr r r# r r r )r rL r. r r r get_atom s$
r c C s t }| s| d tkr(tjdj| xP| rx| d tkrxt| \}} |j| | r*| d dkr*|jt | dd } q*W |d tkrtjdjd| || fS )Nr z8expected atom at a start of dot-atom-text but found '{}'r rj z4expected atom at end of dot-atom-text but found '{}'rl )ry r r r r# r rS r )r Z
dot_atom_textr. r r r get_dot_atom_text s
r c C s t }| d tkr(t| \}} |j| | jdrhyt| \}} W qt tjk
rd t| \}} Y qtX n t| \}} |j| | r| d tkrt| \}} |j| || fS )Nr z=?) rx r r rS r r r r r )r Zdot_atomr. r r r get_dot_atom s
r c C s | d t krt| \}} nd }| d dkr8t| \}} n*| d tkrVtjdj| n t| \}} |d k rx|g|d d< || fS )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 s t }yt| \}} |j| W n( tjk
rH |jjtjd Y nX x| r| d tkr| d dkr|jt |jjtj d | dd } qLyt| \}} W nD tjk
r | d t
krt | \}} |jjtj d n Y nX |j| qLW || fS )Nz phrase does not start with wordr r zperiod in 'phrase'rj zcomment found without atom) rF r rS r r r r PHRASE_ENDSr ObsoleteHeaderDefectr r )r rG r. r r r
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r c C st t }d }| d tkr"t| \}} | s6tjdj| yt| \}} W n^ tjk
r yt| \}} W n6 tjk
r | d dkr| d tkr t }Y nX Y nX |d k r|g|d d< |j
| | o| d dks| d tkr2t t || \}} |j
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tjd ||d< y|jjd W n( tk
rj |jj
tjd Y nX || fS ) Nr z"expected local-part but found '{}'r zinvalid-obs-local-partz sB
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c C s t }| d tkr(t| \}} |j| | s:| d dkrJtjdj| |jtdd | dd } | d dkr|jtdd |jjtj d | dd } || fS yt
| \}} W nz tjk
r2 y"t | \}} |jjtj d W n( tjk
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| \}} Y nX |j| | r`| d dkr`| dd } n|jjtj d |jtdd | r| d tkrt| \}} |j| || fS ) Nr 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)
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c C s< t }t| \}} |j|d d |jd d |_|| fS )N)r r r, r )r rb r. r r r get_display_name s
r c C s t }d }| d tkr6t| \}} | s6tjdj|| d dkr| d tkr^tjdj| t| \}} | s~tjdj||d k r|g|d d d< d }|j| t | \}} |d k r|g|d d< |j| || fS )Nr z!expected name-addr but found '{}'r )
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r c C s t }yt| \}} W nN tjk
rd yt| \}} W n& tjk
r^ tjdj| Y nX Y nX tdd |jD rd|_|j | || fS )Nz expected mailbox but found '{}'c s s | ]}t |tjV qd S )N)r r r )r r r r r r s z get_mailbox..zinvalid-mailbox)
rt r r r r r# anyr& r7 rS )r rc r. r r r get_mailbox s
r c C sh t }xX| r^| d |kr^| d tkrF|jt| d d | dd } qt| \}} |j| qW || fS )Nr zmisplaced-specialrj )ru r rS r r )r r Zinvalid_mailboxr. r r r get_invalid_mailbox s r c C s t }x| o| d dkry t| \}} |j| W n tjk
r@ d }| d tkrt| \}} | sz| d dkr|j| |jjtjd n@t | d\}} |d k r|g|d d< |j| |jjtj
d nb| d dkr|jjtjd nBt | d\}} |d k r |g|d d< |j| |jjtj
d Y nX | r| d dkr|d }d|_ t | d\}} |j | |jjtj
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r c C s t }| s$|jjtjd || fS d }| r| d tkrt| \}} | sl|jjtjd |j| || fS | d dkr|j| || fS t| \}} t|j dkr|d k r|j| |j
| |jjtj d || fS |d k r|g|d d< |j| || fS )Nz end of header before group-listr zend of header in group-listr z group-list with empty entries) rf r rS r r r r r rk r_ r, r )r Z
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r c C s" t }t| \}} | s$| d dkr4tjdj| |j| |jtdd | dd } | r| d dkr|jtdd || dd fS t| \}} |j| | s|jjtj d n | d dkrtjd j| |jtdd | dd } | r| d t
krt | \}} |j| || fS )
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r c C sx t }yt| \}} W nN tjk
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r^ tjdj| Y nX Y nX |j| || fS )Nz expected address but found '{}')r` r r r r r# rS )r r\ r. r r r get_addresse s
r c C s t }x| ry t| \}} |j| W n$ tjk
rP } zd }| d tkrt| \}} | sr| d dkr|j| |jjtjd nFt | d\}} |d k r|g|d d< |jt
|g |jjtj d nh| d dkr|jjtjd nHt | d\}} |d k r |g|d d< |jt
|g |jjtj d W Y d d }~X nX | r| d dkr|d d }d|_ t | d\}} |j
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Nr r z"address-list entry with no contentz invalid address in address-listz empty element in address-listrj zinvalid-mailboxzlist-separatorrl )r[ r rS r r r r r r r r` r r7 r, r )r Z address_listr. errr rc r r r get_address_list sN
r c C s t }| s |jjtjd |S | d tkrXt| \}} |j| | sX|jjtjd d}x8| r| d dkr| d tkr|| d 7 }| dd } q^W |j s|jjtjdj | |jt
|d nt ||_ |jt
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t| \}} |j| | s | d dkrX|j d k r>|jjtjd
| rT|jt
| d |S |jt
dd | dd } | r| d tkrt| \}} |j| | s|j d k r|jjtjd
|S d}x2| r| d tkr|| d 7 }| dd } qW |j s2|jjtjd j | |jt
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|d | rv| d tkrvt| \}} |j| | r|jjtjd
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| d |S )Nz%Missing MIME version number (eg: 1.0)r z0Expected MIME version number but found only CFWSr r rj 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 r rS r HeaderMissingRequiredValuer r isdigitr r# r intr r )r Z mime_versionr. r r r r parse_mime_version sv
r c C sh t }xX| r^| d dkr^| d tkrF|jt| d d | dd } qt| \}} |j| qW || fS )Nr r zmisplaced-specialrj )r r rS r r )r Zinvalid_parameterr. r r r get_invalid_parameter s r c C sN t | }|s tjdj| |j }| t|d } t|d}t| || fS )Nz expected ttext but found '{}'ttext)_non_token_end_matcherr r r# ra rk r r )r r r r r r get_ttext s
r" c C s t }| r,| d tkr,t| \}} |j| | rL| d tkrLtjdj| t| \}} |j| | r| d tkrt| \}} |j| || fS )Nr z expected token but found '{}') rM r r rS
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r$ c C sN t | }|s tjdj| |j }| t|d } t|d}t| || fS )Nz expected attrtext but found {!r}r )_non_attribute_end_matcherr r r# ra rk r r )r r r r r r get_attrtext@ s
r& c C s t }| r,| d tkr,t| \}} |j| | rL| d tkrLtjdj| t| \}} |j| | r| d tkrt| \}} |j| || fS )Nr z expected token but found '{}') r r r rS ATTRIBUTE_ENDSr r r# r& )r r r. r r r
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r( c C sN t | }|s tjdj| |j }| t|d } t|d}t| || fS )Nz)expected extended attrtext but found {!r}zextended-attrtext)#_non_extended_attribute_end_matcherr r r# ra rk r r )r r r r r r get_extended_attrtextj s
r* c C s t }| r,| d tkr,t| \}} |j| | rL| d tkrLtjdj| t| \}} |j| | r| d tkrt| \}} |j| || fS )Nr z expected token but found '{}') r r r rS EXTENDED_ATTRIBUTE_ENDSr r r# r* )r r r. r r r get_extended_attribute| s
r, c C s t }| s| d dkr(tjdj| |jtdd | dd } | sX| d j rhtjdj| d}x,| r| d j r|| d 7 }| dd } qnW |d dkr|dkr|jjtjd t ||_
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dd | dd } |d k rJt } x>| rB| d tkr(t| \}} n t| \}} | j| qW | }n t| \}} |j| |d k rn|} || fS )Nr r z)Parameter contains name ({}) but no valuer- TzIncomplete parameterzextended-parameter-markerrj =z Parameter not followed by '='zparameter-separatorr
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r6 c C s xX|rX|d dkrX|d t kr@| jt|d d |dd }qt|\}}| j| qW |sbd S | jtdd | jt|dd d S )Nr r zmisplaced-specialrj zparameter-separator)r rS r r r6 )Z tokenlistr r. r r r _find_mime_parameters s r7 c C s t }d}| s$|jjtjd |S yt| \}} W n8 tjk
rl |jjtjdj| t || |S X |j| | s| d dkr|jjtjd | rt || |S |j
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parse_treer/ maxlenr r< last_ewr> Z
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