Google
Edit File: sax.cpython-39.pyc
a ��a�$ � @ s� d Z ddlmZ ddlmZ ddlmZ ddlmZm Z ddlm Z m Z G dd� dej �Z d d � ZG d d � d e�ZG d d� de�Zdd� ZdS )a? SAX-based adapter to copy trees from/to the Python standard library. Use the `ElementTreeContentHandler` class to build an ElementTree from SAX events. Use the `ElementTreeProducer` class or the `saxify()` function to fire the SAX events of an ElementTree against a SAX ContentHandler. See https://lxml.de/sax.html � )�absolute_import)�ContentHandler)�etree)� ElementTree� SubElement)�Comment�ProcessingInstructionc @ s e Zd ZdZdS )�SaxErrorzGeneral SAX error. N)�__name__� __module__� __qualname__�__doc__� r r �./usr/lib64/python3.9/site-packages/lxml/sax.pyr s r c C s0 | d dkr$t | dd � �dd��S d | fS d S )Nr �{� �})�tuple�split)�tagr r r � _getNsTag s r c @ s� e Zd ZdZd dd�Zdd� Zeeejd�Zdd � Zd d � Z d d � Z dd� Z dd� Z dd� Z d!dd�Zdd� Zdd� Zd"dd�Zd d � Zd d � ZeZdS )#�ElementTreeContentHandlerz/Build an lxml ElementTree from SAX events. Nc C sL t �| � d | _g | _g | _d | _d d gi| _i | _|d u rBtj }|| _ d S �N) r �__init__�_root�_root_siblings�_element_stack� _default_ns� _ns_mapping� _new_mappingsr ZElement� _makeelement)�selfZ makeelementr r r r & s z"ElementTreeContentHandler.__init__c C s t | j�S )z=Contains the generated ElementTree after parsing is finished.)r r �r! r r r � _get_etree2 s z$ElementTreeContentHandler._get_etree)�docc C s d S r r )r! Zlocatorr r r �setDocumentLocator8 s z,ElementTreeContentHandler.setDocumentLocatorc C s d S r r r" r r r � startDocument; s z'ElementTreeContentHandler.startDocumentc C s d S r r r" r r r � endDocument> s z%ElementTreeContentHandler.endDocumentc C sP || j |< z| j| �|� W n ty< |g| j|< Y n0 |d u rL|| _d S r )r r �append�KeyErrorr )r! �prefix�urir r r �startPrefixMappingA s z,ElementTreeContentHandler.startPrefixMappingc C s( | j | }|�� |d u r$|d | _d S �N���)r �popr )r! r* Z ns_uri_listr r r �endPrefixMappingJ s z*ElementTreeContentHandler.endPrefixMappingc C s4 |\}}|rd| }n| j r,d| j |f }n|}|S )N�{%s}%s)r )r! Z ns_name_tuple�ns_uri� local_name�el_tagr r r � _buildTagP s z#ElementTreeContentHandler._buildTagc C s� | � |�}|rli }z |�� }W n ty8 |�� }Y n0 |D ]*\}}|d rXd| } n|d } ||| < q>nd }| j} | jd u r�| �||| j� } | _| jr�t | d�r�| jD ]} | � | � q�| jd d �= nt | d ||| j�} | � | � | j� � d S )Nr r1 r � addpreviousr. )r5 Z iteritems�AttributeError�itemsr r r r r �hasattrr6 r r( �clear) r! �ns_name�qname� attributesZel_name�attrsZiter_attributesZ name_tuple�valueZ attr_nameZ element_stack�element�siblingr r r �startElementNSZ s4 � � z(ElementTreeContentHandler.startElementNSc C s6 t ||�}| jd u r"| j�|� n| jd �|� d S r- )r r r r( r )r! �target�dataZpir r r �processingInstruction{ s z/ElementTreeContentHandler.processingInstructionc C s. | j �� }| �|�}||jkr*td| ��d S )NzUnexpected element closed: )r r/ r5 r r )r! r; r< r@ r4 r r r � endElementNS� s z&ElementTreeContentHandler.endElementNSc C s0 |rt dd� |�� D ��}| �d |f||� d S )Nc S s g | ]\}}d |f|f�qS r r )�.0�k�vr r r � <listcomp>� � z:ElementTreeContentHandler.startElement.<locals>.<listcomp>)�dictr8 rB )r! �namer= r r r � startElement� s �z&ElementTreeContentHandler.startElementc C s | � d |f|� d S r )rF )r! rM r r r � endElement� s z$ElementTreeContentHandler.endElementc C sN | j d }z |d }|jp d| |_W n" tyH |jp<d| |_Y n0 d S )Nr. � )r �tail� IndexError�text)r! rD Z last_elementr r r � characters� s z$ElementTreeContentHandler.characters)N)N)N)r r r r r r# �propertyr r% r& r' r, r0 r5 rB rE rF rN rO rT ZignorableWhitespacer r r r r # s" ! r c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) �ElementTreeProducerz5Produces SAX events for an element and children. c C sR z |� � }W n ty" |}Y n0 || _|| _ddlm} || _|i i �| _d S )Nr )�AttributesNSImpl)Zgetrootr7 �_element�_content_handlerZxml.sax.xmlreaderrW � _attr_class�_empty_attributes)r! �element_or_tree�content_handlerr@ Z attr_classr r r r � s z ElementTreeProducer.__init__c C s� | j �� | j}t|d�rjg }|�� }t|dd �tu rJ|�|� |�� }q&|d d d� D ]}| �|i � qX| �|i � t|d�r�|� � }t|dd �tu r�| �|i � |� � }q�| j � � d S )N� getpreviousr r. �getnext) rY r& rX r9 r^ �getattrr r( �_recursive_saxifyr_ r' )r! r@ ZsiblingsrA r r r �saxify� s" zElementTreeProducer.saxifyc C s� | j }|j}|tu s |tu rL|tu r4|�|j|j� |j}|rH|�|� d S |j }g }||kr�|� � D ]$\}} |� |�| krf|� || f� qf|� � } | r�i } i } | D ]8\} }t | �}|| |< | j|d |d |d dd�| |< q�| �| | �}n| j}t |�\} }| j| |||jdd�}|D ]\}}|�||� �q|�| |f||� |j}|�rX|�|� |D ]}| �||� �q\|�| |f|� |D ]\}}|�|� �q�|j}|�r�|�|� d S )Nr r T)�preferred_prefix� is_attributeF)rd )rY r r r rE rC rS rQ rT �nsmapr8 �getr( r � _build_qnamerZ r[ r* r, rB ra rF r0 )r! r@ Z parent_nsmapr] r rQ Z element_nsmapZ new_prefixesr* r2 ZattribsZ attr_valuesZ attr_qnamesZ attr_ns_namer? Z attr_ns_tupleZsax_attributesr3 r< r+ rS �childr r r ra � sd � � � � z%ElementTreeProducer._recursive_saxifyc sv � d u r |S |s$|� |�� kr$|}n:� fdd�|�� D �}t|�dkrN|d n|rZt|�nd }|d u rj|S |d | S )Nc s$ g | ] \}}|d ur|� kr|�qS r r )rG Zpfxr+ �r2 r r rJ s �z4ElementTreeProducer._build_qname.<locals>.<listcomp>r r �:)rf r8 �len�min)r! r2 r3 re rc rd r* Z candidatesr ri r rg � s � �z ElementTreeProducer._build_qnameN)r r r r r rb ra rg r r r r rV � s 6rV c C s t | |��� S )zlOne-shot helper to generate SAX events from an XML tree and fire them against a SAX ContentHandler. )rV rb )r\ r] r r r rb s rb N)r Z __future__r Zxml.sax.handlerr Zlxmlr Z lxml.etreer r r r Z LxmlErrorr r r �objectrV rb r r r r �<module> s |s