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dd� ZG dd� d�ZG d d � d e�ZdS ) zcEmail address parsing code.
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AddrlistClassa Address parser class by Ben Escoto.
To understand what this class does, it helps to have a copy of RFC 2822 in
front of you.
Note: this class interface is deprecated and may be removed in the future.
Use email.utils.AddressList instead.
c C sZ d| _ d| _d| _d| _| j| j | _| j | j | j | _| j�dd�| _|| _g | _ dS )z�Initialize a new instance.
`field' is an unparsed address header field, containing
one or more addresses.
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phraseends�field� commentlist��selfrI r r r �__init__� s zAddrlistClass.__init__c C s� g }| j t| j�k r�| j| j | jd v r\| j| j dvrL|�| j| j � | j d7 _ q| j| j dkr�| j�| �� � qq�qt�|�S )z&Skip white space and extract comments.z
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zAddrlistClass.getaddrlistc C s� g | _ | �� | j}| j }| �� }| �� g }| jt| j�kr\|rXt�| j �|d fg}�n\| j| j dv r�|| _|| _ | �� }t�| j �|fg}�n"| j| j dk�r g }t| j�}| jd7 _| jt| j�k �r�| �� | j|k �r| j| j dk�r| jd7 _�q�|| � � }q�n�| j| j dk�rx| �
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z�Parse a route address (Return-path value).
This method just skips all the route stuff and returns the addrspec.
rW NFr r �>�@Tr )rI rD rR r( � getdomainr[ )rL Z expectrouteZadlistr r r r\ C s.
zAddrlistClass.getrouteaddrc C sT g }| � � | jt| j�k r�d}| j| j dkrf|rH|d �� sH|�� |�d� | jd7 _d}nd| j| j dkr�|�dt| �� � � n<| j| j | j v r�|r�|d �� s�|�� q�n|�| �
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� � qt� |�S )z-Get the complete domain name from an address.r rN �[r r_ ) rD r( rI rE rJ r* rO �getdomainliteralrP rG rd rQ )rL Zsdlistr r r r` � s" zAddrlistClass.getdomainTc C s� | j | j |krdS dg}d}| jd7 _| jt| j �k r�|rX|�| j | j � d}np| j | j |v rz| jd7 _q�nN|r�| j | j dkr�|�| �� � q,n(| j | j dkr�d}n|�| j | j � | jd7 _q,t�|�S )a� Parse a header fragment delimited by special characters.
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Parsing stops when one of these is encountered.
If `allowcomments' is non-zero, embedded RFC 2822 comments are allowed
within the parsed fragment.
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Trj rk r r r rO � s zAddrlistClass.getcommentc C s d| � ddd� S )z!Parse an RFC 2822 domain-literal.z[%s]rg z]
Frj rk r r r rh � s z AddrlistClass.getdomainliteralNc C sd dg}|du r| j }| jt| j�k rZ| j| j |v r8qZn|�| j| j � | jd7 _qt�|�S )a Parse an RFC 2822 atom.
Optional atomends specifies a different set of end token delimiters
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is legal in phrases).r Nr )rG rD r( rI r* rP rQ )rL rG Zatomlistr r r rd � s zAddrlistClass.getatomc C s� g }| j t| j�k r�| j| j | jv r6| j d7 _ q| j| j dkrV|�| �� � q| j| j dkrx| j�| �� � q| j| j | jv r�q�q|�| � | j�� q|S )z�Parse a sequence of RFC 2822 phrases.
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