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python3.8
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__pycache__
headerregistry.cpython-38.pyc
U e5dKQ � @ sz d Z ddlmZ ddlmZ ddlmZ ddlmZ G dd� d�ZG dd � d �Z G d d � d e �Z d d � Z G dd� d�Z G dd� de �ZG dd� d�ZG dd� de�ZG dd� d�ZG dd� de�ZG dd� de�ZG d d � d e�ZG d d � d �ZG d d!� d!�ZG d"d#� d#e�ZG d$d%� d%e�ZG d&d'� d'�ZG d(d)� d)�Zeeeeeeeeeeeeeeeeeeeed*�ZG d+d,� d,�Z d-S ).a; Representing and manipulating email headers via custom objects. This module provides an implementation of the HeaderRegistry API. The implementation is designed to flexibly follow RFC5322 rules. Eventually HeaderRegistry will be a public API, but it isn't yet, and will probably change some before that happens. � )�MappingProxyType)�utils)�errors)�_header_value_parserc @ s^ e Zd Zddd�Zedd� �Zedd� �Zed d � �Zed d � �Zd d� Z dd� Z dd� Z dS )�Address� Nc C s� d� td||||f��}d|ks(d|kr0td��|dk r�|s@|rHtd��t�|�\}}|rjtd�||���|jrz|jd �|j}|j }|| _ || _ || _ dS ) a� Create an object representing a full email address. An address can have a 'display_name', a 'username', and a 'domain'. In addition to specifying the username and domain separately, they may be specified together by using the addr_spec keyword *instead of* the username and domain keywords. If an addr_spec string is specified it must be properly quoted according to RFC 5322 rules; an error will be raised if it is not. An Address object has display_name, username, domain, and addr_spec attributes, all of which are read-only. The addr_spec and the string value of the object are both quoted according to RFC5322 rules, but without any Content Transfer Encoding. r N� � z8invalid arguments; address parts cannot contain CR or LFz=addrspec specified when username and/or domain also specifiedz6Invalid addr_spec; only '{}' could be parsed from '{}'r ) �join�filter� ValueError� TypeError�parserZ get_addr_spec�format� all_defects� local_part�domain� _display_name� _username�_domain)�self� display_name�usernamer � addr_specZinputsZa_s�rest� r �,/usr/lib64/python3.8/email/headerregistry.py�__init__ s& � zAddress.__init__c C s | j S �N�r �r r r r r < s zAddress.display_namec C s | j S r )r r r r r r @ s zAddress.usernamec C s | j S r )r r r r r r D s zAddress.domainc C sT t | j�}t|�t|tj �kr.t�| j�}n| j}| jrH|d | j S |sPdS |S )z�The addr_spec (username@domain) portion of the address, quoted according to RFC 5322 rules, but with no Content Transfer Encoding. �@�<>)�setr �lenr Z DOT_ATOM_ENDS� quote_stringr )r �namesetZlpr r r r H s zAddress.addr_specc C s d� | jj| j| j| j�S )Nz1{}(display_name={!r}, username={!r}, domain={!r}))r � __class__�__name__r r r r r r r �__repr__X s �zAddress.__repr__c C s^ t | j�}t|�t|tj �kr.t�| j�}n| j}|rX| jdkrFdn| j}d�||�S | jS )Nr" r z{} <{}>)r# r r$ r �SPECIALSr% r r )r r& �dispr r r r �__str__] s zAddress.__str__c C s8 t |�t | �krdS | j|jko6| j|jko6| j|jkS �NF)�typer r r �r �otherr r r �__eq__h s � �zAddress.__eq__)r r r N) r( � __module__� __qualname__r �propertyr r r r r) r, r1 r r r r r s * r c @ sF e Zd Zddd�Zedd� �Zedd� �Zdd � Zd d � Zd d � Z dS )�GroupNc C s || _ |rt|�nt� | _dS )a Create an object representing an address group. An address group consists of a display_name followed by colon and a list of addresses (see Address) terminated by a semi-colon. The Group is created by specifying a display_name and a possibly empty list of Address objects. A Group can also be used to represent a single address that is not in a group, which is convenient when manipulating lists that are a combination of Groups and individual Addresses. In this case the display_name should be set to None. In particular, the string representation of a Group whose display_name is None is the same as the Address object, if there is one and only one Address object in the addresses list. N)r �tuple� _addresses)r r � addressesr r r r r s zGroup.__init__c C s | j S r r r r r r r � s zGroup.display_namec C s | j S r )r7 r r r r r8 � s zGroup.addressesc C s d� | jj| j| j�S )Nz${}(display_name={!r}, addresses={!r})r r' r( r r8 r r r r r) � s �zGroup.__repr__c C s� | j d kr&t| j�dkr&t| jd �S | j }|d k r\t|�}t|�t|tj �kr\t�|�}d�dd� | jD ��}|r~d| n|}d� ||�S )N� r �, c s s | ]}t |�V qd S r ��str)�.0�xr r r � <genexpr>� s z Group.__str__.<locals>.<genexpr>� z{}:{};) r r$ r8 r< r# r r* r% r r )r r+ r& Zadrstrr r r r, � s z Group.__str__c C s, t |�t | �krdS | j|jko*| j|jkS r- )r. r r8 r/ r r r r1 � s �z Group.__eq__)NN) r( r2 r3 r r4 r r8 r) r, r1 r r r r r5 p s r5 c @ sT e Zd ZdZdd� Zdd� Zedd� �Zedd � �Zd d � Z e d d � �Z dd� Z dS )� BaseHeadera| Base class for message headers. Implements generic behavior and provides tools for subclasses. A subclass must define a classmethod named 'parse' that takes an unfolded value string and a dictionary as its arguments. The dictionary will contain one key, 'defects', initialized to an empty list. After the call the dictionary must contain two additional keys: parse_tree, set to the parse tree obtained from parsing the header, and 'decoded', set to the string value of the idealized representation of the data from the value. (That is, encoded words are decoded, and values that have canonical representations are so represented.) The defects key is intended to collect parsing defects, which the message parser will subsequently dispose of as appropriate. The parser should not, insofar as practical, raise any errors. Defects should be added to the list instead. The standard header parsers register defects for RFC compliance issues, for obsolete RFC syntax, and for unrecoverable parsing errors. The parse method may add additional keys to the dictionary. In this case the subclass must define an 'init' method, which will be passed the dictionary as its keyword arguments. The method should use (usually by setting them as the value of similarly named attributes) and remove all the extra keys added by its parse method, and then use super to call its parent class with the remaining arguments and keywords. The subclass should also make sure that a 'max_count' attribute is defined that is either None or 1. XXX: need to better define this API. c C s\ dg i}| � ||� t�|d �r4t�|d �|d< t�| |d �}|d= |j|f|� |S )N�defects�decoded)�parser Z_has_surrogates� _sanitizer< �__new__�init)�cls�name�value�kwdsr r r r rF � s zBaseHeader.__new__c C s || _ || _|| _d S r )�_name� _parse_tree�_defects)r rI � parse_treerB r r r rG � s zBaseHeader.initc C s | j S r )rL r r r r rI � s zBaseHeader.namec C s t | j�S r )r6 rN r r r r rB � s zBaseHeader.defectsc C s t | jj| jjt| �f| jfS r )�_reconstruct_headerr' r( � __bases__r< �__dict__r r r r � __reduce__� s ��zBaseHeader.__reduce__c C s t �| |�S r )r< rF )rH rJ r r r � _reconstruct� s zBaseHeader._reconstructc C s` t �t �t �| jd�t �dd�g�g�}| jrH|�t �t �dd�g�� |�| j� |j |d�S )at Fold header according to policy. The parsed representation of the header is folded according to RFC5322 rules, as modified by the policy. If the parse tree contains surrogateescaped bytes, the bytes are CTE encoded using the charset 'unknown-8bit". Any non-ASCII characters in the parse tree are CTE encoded using charset utf-8. XXX: make this a policy setting. The returned value is an ASCII-only string possibly containing linesep characters, and ending with a linesep character. The string includes the header name and the ': ' separator. z header-name�:z header-sepr@ Zfws)�policy) r ZHeaderZ HeaderLabelZ ValueTerminalrI rM �appendZCFWSListZWhiteSpaceTerminal�fold)r rV �headerr r r rX � s ��� zBaseHeader.foldN) r( r2 r3 �__doc__rF rG r4 rI rB rS � classmethodrT rX r r r r rA � s rA c C s t | |i ��|�S r )r. rT )Zcls_name�basesrJ r r r rP s rP c @ s& e Zd ZdZeej�Zedd� �Z dS )�UnstructuredHeaderNc C s" | � |�|d< t|d �|d< d S )NrO rC )� value_parserr< �rH rJ rK r r r rD s zUnstructuredHeader.parse) r( r2 r3 � max_count� staticmethodr �get_unstructuredr^ r[ rD r r r r r] s r] c @ s e Zd ZdZdS )�UniqueUnstructuredHeaderr9 N�r( r2 r3 r` r r r r rc s rc c sF e Zd ZdZdZeej�Ze dd� �Z � fdd�Z e dd� �Z � ZS ) � DateHeadera� Header whose value consists of a single timestamp. Provides an additional attribute, datetime, which is either an aware datetime using a timezone, or a naive datetime if the timezone in the input string is -0000. Also accepts a datetime as input. The 'value' attribute is the normalized form of the timestamp, which means it is the output of format_datetime on the datetime. Nc C sz |s6|d � t�� � d |d< d|d< t�� |d< d S t|t�rJt�|�}||d< t� |d �|d< | � |d �|d< d S )NrB �datetimer rC rO ) rW r ZHeaderMissingRequiredValuer Z TokenList� isinstancer< r Zparsedate_to_datetimeZformat_datetimer^ r_ r r r rD . s zDateHeader.parsec s |� d�| _t� j||� d S )Nrf )�pop� _datetime�superrG �r �args�kw�r' r r rG < s zDateHeader.initc C s | j S r )ri r r r r rf @ s zDateHeader.datetime)r( r2 r3 rZ r` ra r rb r^ r[ rD rG r4 rf � __classcell__r r rn r re s re c @ s e Zd ZdZdS )�UniqueDateHeaderr9 Nrd r r r r rp E s rp c sP e Zd ZdZedd� �Zedd� �Z� fdd�Ze dd � �Z e d d � �Z � Z S ) � AddressHeaderNc C s t �| �\}} | rtd��|S )Nzthis should not happen)r Zget_address_list�AssertionError)rJ � address_listr r r r^ N s zAddressHeader.value_parserc C s� t |t�rV| �|� |d< }g }|jD ]"}|�t|jdd� |jD ��� q&t|j �}n"t |d�sf|g}dd� |D �}g }||d< ||d< d� d d� |D ��|d < d|kr�| �|d �|d< d S ) NrO c S s* g | ]"}t |jpd |jpd |jp"d ��qS )r )r r r r )r= Zmbr r r � <listcomp>] s � �z'AddressHeader.parse.<locals>.<listcomp>�__iter__c S s& g | ] }t |d �s td|g�n|�qS )r8 N)�hasattrr5 �r= �itemr r r rt f s ��groupsrB r: c S s g | ] }t |��qS r r; rw r r r rt l s rC ) rg r< r^ r8 rW r5 r Z all_mailboxes�listr rv r )rH rJ rK rs ry ZaddrrB r r r rD T s* �� �zAddressHeader.parsec s( t |�d��| _d | _t� j||� d S )Nry )r6 rh �_groupsr7 rj rG rk rn r r rG p s zAddressHeader.initc C s | j S r )r{ r r r r ry u s zAddressHeader.groupsc C s& | j d kr tdd� | jD ��| _ | j S )Nc s s | ]}|j D ] }|V q qd S r )r8 )r= �group�addressr r r r? | s �z*AddressHeader.addresses.<locals>.<genexpr>)r7 r6 r{ r r r r r8 y s zAddressHeader.addresses) r( r2 r3 r` ra r^ r[ rD rG r4 ry r8 ro r r rn r rq J s rq c @ s e Zd ZdZdS )�UniqueAddressHeaderr9 Nrd r r r r r~ � s r~ c @ s e Zd Zedd� �ZdS )�SingleAddressHeaderc C s( t | j�dkr td�| j���| jd S )Nr9 z9value of single address header {} is not a single addressr )r$ r8 r r rI r r r r r} � s �zSingleAddressHeader.addressN)r( r2 r3 r4 r} r r r r r � s r c @ s e Zd ZdZdS )�UniqueSingleAddressHeaderr9 Nrd r r r r r� � s r� c sZ e Zd ZdZeej�Zedd� �Z � fdd�Z e dd� �Z e dd � �Z e d d � �Z� ZS ) �MIMEVersionHeaderr9 c C s� | � |� |d< }t|�|d< |d �|j� |jd kr<d n|j|d< |j|d< |jd k rtd�|d |d �|d< nd |d< d S )NrO rC rB �major�minorz{}.{}�version)r^ r< �extendr r� r� r �rH rJ rK rO r r r rD � s zMIMEVersionHeader.parsec s6 |� d�| _|� d�| _|� d�| _t� j||� d S )Nr� r� r� )rh �_version�_major�_minorrj rG rk rn r r rG � s zMIMEVersionHeader.initc C s | j S r )r� r r r r r� � s zMIMEVersionHeader.majorc C s | j S r )r� r r r r r� � s zMIMEVersionHeader.minorc C s | j S r )r� r r r r r� � s zMIMEVersionHeader.version)r( r2 r3 r` ra r Zparse_mime_versionr^ r[ rD rG r4 r� r� r� ro r r rn r r� � s r� c s8 e Zd ZdZedd� �Z� fdd�Zedd� �Z� Z S )�ParameterizedMIMEHeaderr9 c C sZ | � |� |d< }t|�|d< |d �|j� |jd krBi |d< ndd� |jD �|d< d S )NrO rC rB �paramsc S s& i | ] \}}t �|��� t �|��qS r )r rE �lower)r= rI rJ r r r � <dictcomp>� s � z1ParameterizedMIMEHeader.parse.<locals>.<dictcomp>)r^ r< r� r r� r� r r r rD � s �z ParameterizedMIMEHeader.parsec s |� d�| _t� j||� d S )Nr� )rh �_paramsrj rG rk rn r r rG � s z ParameterizedMIMEHeader.initc C s t | j�S r )r r� r r r r r� � s z ParameterizedMIMEHeader.params) r( r2 r3 r` r[ rD rG r4 r� ro r r rn r r� � s r� c sJ e Zd Zeej�Z� fdd�Zedd� �Z edd� �Z edd� �Z � Z S ) �ContentTypeHeaderc s2 t � j||� t�| jj�| _t�| jj�| _d S r ) rj rG r rE rM �maintype� _maintype�subtype�_subtyperk rn r r rG � s zContentTypeHeader.initc C s | j S r )r� r r r r r� � s zContentTypeHeader.maintypec C s | j S r )r� r r r r r� � s zContentTypeHeader.subtypec C s | j d | j S )N�/)r� r� r r r r � content_type� s z ContentTypeHeader.content_type) r( r2 r3 ra r Zparse_content_type_headerr^ rG r4 r� r� r� ro r r rn r r� � s r� c s2 e Zd Zeej�Z� fdd�Zedd� �Z � Z S )�ContentDispositionHeaderc s2 t � j||� | jj}|d kr"|nt�|�| _d S r )rj rG rM �content_dispositionr rE �_content_disposition)r rl rm Zcdrn r r rG � s z ContentDispositionHeader.initc C s | j S r )r� r r r r r� � s z,ContentDispositionHeader.content_disposition) r( r2 r3 ra r Z parse_content_disposition_headerr^ rG r4 r� ro r r rn r r� � s r� c sB e Zd ZdZeej�Zedd� �Z � fdd�Z e dd� �Z � Z S )� ContentTransferEncodingHeaderr9 c C s2 | � |� |d< }t|�|d< |d �|j� d S �NrO rC rB �r^ r< r� r r� r r r rD s z#ContentTransferEncodingHeader.parsec s" t � j||� t�| jj�| _d S r )rj rG r rE rM �cte�_cterk rn r r rG s z"ContentTransferEncodingHeader.initc C s | j S r )r� r r r r r� s z!ContentTransferEncodingHeader.cte)r( r2 r3 r` ra r Z&parse_content_transfer_encoding_headerr^ r[ rD rG r4 r� ro r r rn r r� � s r� c @ s& e Zd ZdZeej�Zedd� �Z dS )�MessageIDHeaderr9 c C s2 | � |� |d< }t|�|d< |d �|j� d S r� r� r� r r r rD s zMessageIDHeader.parseN) r( r2 r3 r` ra r Zparse_message_idr^ r[ rD r r r r r� s r� )Zsubject�datez resent-datez orig-dateZsenderz resent-sender�toz resent-toZccz resent-ccZbccz resent-bcc�fromz resent-fromzreply-toz mime-versionz content-typezcontent-dispositionzcontent-transfer-encodingz message-idc @ s8 e Zd ZdZeedfdd�Zdd� Zdd� Zd d � Z d S ) �HeaderRegistryz%A header_factory and header registry.Tc C s& i | _ || _|| _|r"| j �t� dS )a� Create a header_factory that works with the Policy API. base_class is the class that will be the last class in the created header class's __bases__ list. default_class is the class that will be used if "name" (see __call__) does not appear in the registry. use_default_map controls whether or not the default mapping of names to specialized classes is copied in to the registry when the factory is created. The default is True. N)�registry� base_class� default_class�update�_default_header_map)r r� r� Zuse_default_mapr r r r 9 s zHeaderRegistry.__init__c C s || j |�� < dS )zLRegister cls as the specialized class for handling "name" headers. N)r� r� �r rI rH r r r � map_to_typeK s zHeaderRegistry.map_to_typec C s, | j �|�� | j�}td|j || jfi �S )N�_)r� �getr� r� r. r( r� r� r r r � __getitem__Q s zHeaderRegistry.__getitem__c C s | | ||�S )a� Create a header instance for header 'name' from 'value'. Creates a header instance by creating a specialized class for parsing and representing the specified header by combining the factory base_class with a specialized class from the registry or the default_class, and passing the name and value to the constructed class's constructor. r )r rI rJ r r r �__call__U s zHeaderRegistry.__call__N) r( r2 r3 rZ rA r] r r� r� r� r r r r r� 5 s � r� N) rZ �typesr Zemailr r r r r r5 r< rA rP r] rc re rp rq r~ r r� r� r� r� r� r� r� r� r� r r r r �<module> sX `6d '7 % �
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