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o �h�j � @ s d Z zddlmZ W n ey" Z z ddlmZ W Y dZ[ndZ[ww ddlZddlZddlZddl m Z ddl m Z m Z mZ dZe�d�Ze�d�Zd d � Zeg d ��ZG d d � d e�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�Z G dd� dee �Z G dd� de �Z G dd� de �Z G d d � d e �Z G d d � d e �Z!G d d!� d!e �Z"G d"d#� d#e �Z#G d$d%� d%e �Z$G d&d'� d'e �Z%G d(d)� d)e �Z&G d*d+� d+e �Z'G d,d-� d-e �Z(G d.d/� d/e �Z)G d0d1� d1e �Z*G d2d3� d3e�Z+G d4d5� d5e,�Z-dS )6�MIT� )�CallableN��CSS)� Formatter� HTMLFormatter� XMLFormatterzutf-8z\S+z\s+c s& t � fdd��}|j� fdd��}|S )z>Alias one attribute name to another for backward compatibilityc � t | � �S �N��getattr��self��attr� �A/usr/local/CyberPanel/lib/python3.10/site-packages/bs4/element.py�alias � z_alias.<locals>.aliasc r r )�setattrr r r r r ! r )�property�setter)r r r r r �_alias s r ) �idna�mbcs�oem�palmos�punycode�raw_unicode_escape� undefined�unicode_escapezraw-unicode-escape�unicode-escapez string-escape� string_escapec @ s e Zd ZdZddd�ZdS )�NamespacedAttributez�A namespaced string (e.g. 'xml:lang') that remembers the namespace ('xml') and the name ('lang') that were used to create it. Nc C sV |sd }|s t �| |�}n|st �| |�}n t �| |d | �}||_||_||_|S )N�:)�str�__new__�prefix�name� namespace)�clsr' r( r) �objr r r r& I s zNamespacedAttribute.__new__�NN)�__name__� __module__� __qualname__�__doc__r& r r r r r# D s r# c @ � e Zd ZdZdS )�%AttributeValueWithCharsetSubstitutionz=A stand-in object for a character encoding specified in HTML.N�r- r. r/ r0 r r r r r2 [ s r2 c @ s e Zd ZdZdd� Zdd� ZdS )�CharsetMetaAttributeValuez�A generic stand-in for the value of a meta tag's 'charset' attribute. When Beautiful Soup parses the markup '<meta charset="utf8">', the value of the 'charset' attribute will be one of these objects. c C s t �| |�}||_|S r )r% r& �original_value)r* r5 r+ r r r r& e s z!CharsetMetaAttributeValue.__new__c C s |t v rdS |S )z�When an HTML document is being encoded to a given encoding, the value of a meta tag's 'charset' is the name of the encoding. � )�PYTHON_SPECIFIC_ENCODINGS�r �encodingr r r �encodej s z CharsetMetaAttributeValue.encodeN)r- r. r/ r0 r& r: r r r r r4 ^ s r4 c @ s. e Zd ZdZe�dej�Zdd� Zdd� Z dS )�ContentMetaAttributeValuea A generic stand-in for the value of a meta tag's 'content' attribute. When Beautiful Soup parses the markup: <meta http-equiv="content-type" content="text/html; charset=utf8"> The value of the 'content' attribute will be one of these objects. z((^|;)\s*charset=)([^;]*)c C s6 | j �|�}|d u rt�t|�S t�| |�}||_|S r )� CHARSET_RE�searchr% r& r5 )r* r5 �matchr+ r r r r& ~ s z!ContentMetaAttributeValue.__new__c s( � t v rdS � fdd�}| j�|| j�S )Nr6 c s | � d�� S )N� )�group)r> �r9 r r �rewrite� s z1ContentMetaAttributeValue.encode.<locals>.rewrite)r7 r< �subr5 )r r9 rB r rA r r: � s z ContentMetaAttributeValue.encodeN) r- r. r/ r0 �re�compile�Mr< r& r: r r r r r; s s r; c @ sd e Zd ZdZdZ d\dd�Zdd� Zdd� Zed d � �Z e d �Z e d �Z e � Zd efdd�Zedd� �Zdd efdd�ZeZee�Zdd� ZeZdd� ZeZeZdd� Zd]dd �Zd^d d �ZeZ d d!� Z d"d#� Z d$d%� Z d&d'� Z d(d)� Z!di dfd*d+�Z"e"Z#di ddfd,d-�Z$e$Z%di dfd.d/�Z&e&Z'di ddfd0d1�Z(e(Z)e(Z*di dfd2d3�Z+e+Z,di ddfd4d5�Z-e-Z.e-Z/di dfd6d7�Z0e0Z1di ddfd8d9�Z2e2Z3e2Z4di fd:d;�Z5e5Z6di dfd<d=�Z7e7Z8e7Z9ed>d?� �Z:ed@dA� �Z;dBdC� Z<dDdE� Z=edFdG� �Z>edHdI� �Z?edJdK� �Z@edLdM� �ZAedNdO� �ZBedPdQ� �ZCdRdS� ZDdTdU� ZEdVdW� ZFdXdY� ZGdZd[� ZHdS )_� PageElementz�Contains the navigational information for some part of the page: that is, its current location in the parse tree. NavigableString, Tag, etc. are all subclasses of PageElement. Nc C s� || _ || _|dur| | j_|| _| jdur| | j_|| _| jdur&| | j_|du r9| j dur9| j jr9| j jd }|| _|durF| | j_dS dS )aJ Sets up the initial relations between this element and other elements. :param parent: The parent of this element. :param previous_element: The element parsed immediately before this one. :param next_element: The element parsed immediately before this one. :param previous_sibling: The most recently encountered element on the same level of the parse tree as this one. :param previous_sibling: The next element to be encountered on the same level of the parse tree as this one. N���)�parent�previous_element� next_element� next_sibling�previous_sibling�contents)r rI rJ rK rM rL r r r �setup� s" �zPageElement.setupc C s. |du r|S t |t�s| �|�}|�|�}|S )z�Format the given string using the given formatter. :param s: A string. :param formatter: A Formatter object, or a string naming one of the standard formatters. N)� isinstancer �formatter_for_name� substitute)r �s� formatter�outputr r r � format_string� s zPageElement.format_stringc C s< t |t�r|S | jr t}nt}t |t�r||d�S |j| S )a| Look up or create a Formatter for the given identifier, if necessary. :param formatter: Can be a Formatter object (used as-is), a function (used as the entity substitution hook for an XMLFormatter or HTMLFormatter), or a string (used to look up an XMLFormatter or HTMLFormatter in the appropriate registry. )�entity_substitution)rP r �_is_xmlr r r �REGISTRY)r rT �cr r r rQ � s z PageElement.formatter_for_namec C s. | j dur| j S | jdu rt| dd�S | jjS )a Is this element part of an XML tree or an HTML tree? This is used in formatter_for_name, when deciding whether an XMLFormatter or HTMLFormatter is more appropriate. It can be inefficient, but it should be called very rarely. N�is_xmlF)� known_xmlrI r rX r r r r rX � s zPageElement._is_xmlrL rM Fc C s t � �)z�Yield all strings of certain classes, possibly stripping them. This is implemented differently in Tag and NavigableString. )�NotImplementedError)r �strip�typesr r r � _all_strings s zPageElement._all_stringsc c s � | � d�D ]}|V qdS )zvYield all strings in this PageElement, stripping them first. :yield: A sequence of stripped strings. TN)r` �r �stringr r r �stripped_strings s ��z PageElement.stripped_stringsr6 c C s |� dd� | j||d�D ��S )a� Get all child strings of this PageElement, concatenated using the given separator. :param separator: Strings will be concatenated using this separator. :param strip: If True, strings will be stripped before being concatenated. :param types: A tuple of NavigableString subclasses. Any strings of a subclass not found in this list will be ignored. Although there are exceptions, the default behavior in most cases is to consider only NavigableString and CData objects. That means no comments, processing instructions, etc. :return: A string. c S s g | ]}|�qS r r )�.0rS r r r � <listcomp>$ s z(PageElement.get_text.<locals>.<listcomp>)r_ )�joinr` )r � separatorr^ r_ r r r �get_text s �zPageElement.get_textc s� � j du r td��t|�dkr|d � u rdS t� fdd�|D ��r&td��� j }� j �� �}� j|d� t||d �D ] \}}|�||� q;� S ) z�Replace this PageElement with one or more PageElements, keeping the rest of the tree the same. :param args: One or more PageElements. :return: `self`, no longer part of the tree. Nz^Cannot replace one element with another when the element to be replaced is not part of a tree.r? r c 3 s � | ]}|� j u V qd S r �rI �rd �xr r r � <genexpr>6 s � z+PageElement.replace_with.<locals>.<genexpr>z%Cannot replace a Tag with its parent.�� _self_index)�start)rI � ValueError�len�any�index�extract� enumerate�insert)r �args� old_parent�my_index�idx� replace_withr r r r{ ) s � zPageElement.replace_withc C sX | j }| j du r td��| j �| �}| j|d� t| jdd� �D ]}|�||� q!| S )zjReplace this PageElement with its contents. :return: `self`, no longer part of the tree. NzSCannot replace an element with its contents when thatelement is not part of a tree.rm )rI rp rs rt �reversedrN rv )r � my_parentry �childr r r �unwrap@ s � zPageElement.unwrapc C s | � |�}|�|� |S )z�Wrap this PageElement inside another one. :param wrap_inside: A PageElement. :return: `wrap_inside`, occupying the position in the tree that used to be occupied by `self`, and with `self` inside it. )r{ �append)r � wrap_inside�mer r r �wrapR s zPageElement.wrapc C s� | j dur|du r| j �| �}| j j|= | �� }|j}| jdur)| j|ur)|| j_|dur6|| jur6| j|_d| _d|_d| _ | jdurO| j| jurO| j| j_| jdur_| j| jur_| j| j_d | _| _| S )a Destructively rips this element out of the tree. :param _self_index: The location of this element in its parent's .contents, if known. Passing this in allows for a performance optimization. :return: `self`, no longer part of the tree. N)rI rs rN �_last_descendantrK rJ rM rL )r rn � last_childrK r r r rt ] s, zPageElement.extractTc C sZ |r | j dur | j j}n| }t|t�r#|jr#|jd }t|t�r#|js|s+|| u r+d}|S )z�Finds the last element beneath this object to be parsed. :param is_initialized: Has `setup` been called on this PageElement yet? :param accept_self: Is `self` an acceptable answer to the question? NrH )rL rJ rP �TagrN )r �is_initialized� accept_selfr� r r r r� � s � z PageElement._last_descendantc C s� |du rt d��|| u rt d��t|t�r t|t�s t|�}ddlm} t||�r=t|j�D ] }| �||� |d7 }q.dS t |t | j��}t |d�re|j dure|j | u ra| � |�}||k ra|d8 }|�� | |_ d}|dkrud|_| |_n| j|d }||_||j_|�d�|_|jdur�||j_|�d�}|t | j�kr�d|_| }d} | du r�|dur�|j} |j }| dur�n| du r�|dus�| dur�| |_nd|_n| j| } | |_|jdur�||j_| |_|jdur�||j_| j�||� dS ) a& Insert a new PageElement in the list of this PageElement's children. This works the same way as `list.insert`. :param position: The numeric position that should be occupied in `self.children` by the new PageElement. :param new_child: A PageElement. Nz Cannot insert None into a tag.z Cannot insert a tag into itself.r )� BeautifulSoupr? rI F)rp rP r% �NavigableString�bs4r� �listrN rv �minrq �hasattrrI rs rt rM rJ rL r� rK ) r �position� new_childr� �subchild� current_index�previous_child�new_childs_last_elementrI �parents_next_sibling� next_childr r r rv � sl � � zPageElement.insertc C s | � t| j�|� dS )zgAppends the given PageElement to the contents of this one. :param tag: A PageElement. N)rv rq rN )r �tagr r r r� � s zPageElement.appendc C s: t |t�r|j}t |t�rt|�}|D ]}| �|� qdS )z�Appends the given PageElements to this one's contents. :param tags: A list of PageElements. If a single Tag is provided instead, this PageElement's contents will be extended with that Tag's contents. N)rP r� rN r� r� )r �tagsr� r r r �extend� s �zPageElement.extendc sj � j }|du r td��t� fdd�|D ��rtd��|D ]}t|t�r'|�� |�� �}|�||� q dS )z�Makes the given element(s) the immediate predecessor of this one. All the elements will have the same parent, and the given elements will be immediately before this one. :param args: One or more PageElements. Nz2Element has no parent, so 'before' has no meaning.c 3 � � | ]}|� u V qd S r r rj r r r rl � � z,PageElement.insert_before.<locals>.<genexpr>z&Can't insert an element before itself.�rI rp rr rP rG rt rs rv )r rw rI � predecessorrs r r r � insert_before� s � �zPageElement.insert_beforec s~ � j }|du r td��t� fdd�|D ��rtd��d}|D ] }t|t�r)|�� |�� �}|�|d | |� |d7 }q dS )z�Makes the given element(s) the immediate successor of this one. The elements will have the same parent, and the given elements will be immediately after this one. :param args: One or more PageElements. Nz1Element has no parent, so 'after' has no meaning.c 3 r� r r rj r r r rl " r� z+PageElement.insert_after.<locals>.<genexpr>z%Can't insert an element after itself.r r? r� )r rw rI �offset� successorrs r r r � insert_after s � �zPageElement.insert_afterc K � | j | j|||fi |��S )aU Find the first PageElement that matches the given criteria and appears later in the document than this PageElement. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param string: A filter for a NavigableString with specific text. :kwargs: A dictionary of filters on attribute values. :return: A PageElement. :rtype: bs4.element.Tag | bs4.element.NavigableString )� _find_one� find_all_next�r r( �attrsrb �kwargsr r r � find_next/ s zPageElement.find_nextc K �0 |� dd�}| j||||| jfd|d i|��S )ai Find all PageElements that match the given criteria and appear later in the document than this PageElement. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param string: A filter for a NavigableString with specific text. :param limit: Stop looking after finding this many results. :kwargs: A dictionary of filters on attribute values. :return: A ResultSet containing PageElements. � _stacklevel� r? )�pop� _find_all� next_elements�r r( r� rb �limitr� r� r r r r� @ s ��zPageElement.find_all_nextc K r� )aQ Find the closest sibling to this PageElement that matches the given criteria and appears later in the document. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param string: A filter for a NavigableString with specific text. :kwargs: A dictionary of filters on attribute values. :return: A PageElement. :rtype: bs4.element.Tag | bs4.element.NavigableString )r� �find_next_siblingsr� r r r �find_next_siblingT � �z PageElement.find_next_siblingc K r� )a� Find all siblings of this PageElement that match the given criteria and appear later in the document. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param string: A filter for a NavigableString with specific text. :param limit: Stop looking after finding this many results. :kwargs: A dictionary of filters on attribute values. :return: A ResultSet of PageElements. :rtype: bs4.element.ResultSet r� r� r? )r� r� � next_siblingsr� r r r r� f � ���z PageElement.find_next_siblingsc K r� )aV Look backwards in the document from this PageElement and find the first PageElement that matches the given criteria. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param string: A filter for a NavigableString with specific text. :kwargs: A dictionary of filters on attribute values. :return: A PageElement. :rtype: bs4.element.Tag | bs4.element.NavigableString )r� �find_all_previousr� r r r � find_previous~ s ��zPageElement.find_previousc K r� )a� Look backwards in the document from this PageElement and find all PageElements that match the given criteria. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param string: A filter for a NavigableString with specific text. :param limit: Stop looking after finding this many results. :kwargs: A dictionary of filters on attribute values. :return: A ResultSet of PageElements. :rtype: bs4.element.ResultSet r� r� r? )r� r� �previous_elementsr� r r r r� � s ���z PageElement.find_all_previousc K r� )aV Returns the closest sibling to this PageElement that matches the given criteria and appears earlier in the document. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param string: A filter for a NavigableString with specific text. :kwargs: A dictionary of filters on attribute values. :return: A PageElement. :rtype: bs4.element.Tag | bs4.element.NavigableString )r� �find_previous_siblingsr� r r r �find_previous_sibling� r� z!PageElement.find_previous_siblingc K r� )a� Returns all siblings to this PageElement that match the given criteria and appear earlier in the document. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param string: A filter for a NavigableString with specific text. :param limit: Stop looking after finding this many results. :kwargs: A dictionary of filters on attribute values. :return: A ResultSet of PageElements. :rtype: bs4.element.ResultSet r� r� r? )r� r� �previous_siblingsr� r r r r� � r� z"PageElement.find_previous_siblingsc K s. d}| j ||dfddi|��}|r|d }|S )a� Find the closest parent of this PageElement that matches the given criteria. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :kwargs: A dictionary of filters on attribute values. :return: A PageElement. :rtype: bs4.element.Tag | bs4.element.NavigableString Nr? r� � r )� find_parents)r r( r� r� �r�lr r r � find_parent� s zPageElement.find_parentc K s0 |� dd�}| j||d|| jfd|d i|��S )a Find all parents of this PageElement that match the given criteria. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param limit: Stop looking after finding this many results. :kwargs: A dictionary of filters on attribute values. :return: A PageElement. :rtype: bs4.element.Tag | bs4.element.NavigableString r� r� Nr? )r� r� �parents)r r( r� r� r� r� r r r r� � s ��zPageElement.find_parentsc C � | j S )z�The PageElement, if any, that was parsed just after this one. :return: A PageElement. :rtype: bs4.element.Tag | bs4.element.NavigableString �rK r r r r �next� � zPageElement.nextc C r� )z�The PageElement, if any, that was parsed just before this one. :return: A PageElement. :rtype: bs4.element.Tag | bs4.element.NavigableString �rJ r r r r �previous r� zPageElement.previousc K s. d }||||dfddi|��}|r|d }|S )Nr? r� � r r )r �methodr( r� rb r� r� r� r r r r� s zPageElement._find_onec sH |� dd�}|du rd|v r|� d�}tjdt|d� t�t�r#�}n t�||fi |��}|du rt|st|st|st�du s?�du rKdd � |D �} t|| �S t�t�rt��d �d kr`�� d d �\�� nd��� � ��fd d �|D �} t|| �S t|�} zt |�} W n t y� Y | S w | r�|� | �} | r�| � | � |r�t| �|kr� | S qy) z8Iterates over a generator looking for things that match.r� r� N�textzOThe 'text' argument to find()-type methods is deprecated. Use 'string' instead.�� stacklevelTc s s � | ] }t |t�r|V qd S r )rP r� �rd �elementr r r rl + s � �z(PageElement._find_all.<locals>.<genexpr>r$ r? c 3 sD � | ] }t |t�r|j�ks |j� kr �d u s |j�kr|V qd S r )rP r� r( r' r� �� local_namer( r' r r rl 8 s � � ��)r� �warnings�warn�DeprecationWarningrP � SoupStrainer� ResultSetr% �count�splitr� � StopIterationr= r� rq ) r r( r� rb r� � generatorr� r� �strainer�result�results�i�foundr r� r r� sJ � � �zPageElement._find_allc c �, � | j }|dur|V |j }|dusdS dS )zgAll PageElements that were parsed after this one. :yield: A sequence of PageElements. Nr� �r r� r r r r� R � ��zPageElement.next_elementsc c r� )z�All PageElements that are siblings of this one but were parsed later. :yield: A sequence of PageElements. N)rL r� r r r r� ] � ��zPageElement.next_siblingsc c r� )zhAll PageElements that were parsed before this one. :yield: A sequence of PageElements. Nr� r� r r r r� i r� z PageElement.previous_elementsc c r� )z�All PageElements that are siblings of this one but were parsed earlier. :yield: A sequence of PageElements. N)rM r� r r r r� t r� z PageElement.previous_siblingsc c r� )zlAll PageElements that are parents of this PageElement. :yield: A sequence of PageElements. Nri r� r r r r� � r� zPageElement.parentsc C s t | dd�pdS )zOCheck whether a PageElement has been decomposed. :rtype: bool � _decomposedFr r r r r � decomposed� s zPageElement.decomposedc C r� r )r� r r r r � nextGenerator� � zPageElement.nextGeneratorc C r� r )r� r r r r �nextSiblingGenerator� r� z PageElement.nextSiblingGeneratorc C r� r )r� r r r r �previousGenerator� r� z PageElement.previousGeneratorc C r� r )r� r r r r �previousSiblingGenerator� r� z$PageElement.previousSiblingGeneratorc C r� r )r� r r r r �parentGenerator� r� zPageElement.parentGenerator)NNNNNr )TT)Ir- r. r/ r0 r\ rO rV rQ r rX r � nextSibling�previousSibling�object�defaultr` rc rh �getTextr� r{ � replaceWithr �replace_with_children�replaceWithChildrenr� rt r� �_lastRecursiveChildrv r� r� r� r� r� �findNextr� � findAllNextr� �findNextSiblingr� �findNextSiblings�fetchNextSiblingsr� � findPreviousr� �findAllPrevious� fetchPreviousr� �findPreviousSiblingr� �findPreviousSiblings�fetchPreviousSiblingsr� � findParentr� � findParents� fetchParentsr� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r rG � s� �) � &R � : rG c @ s~ e Zd ZdZdZdZdd� Zddd�Zdd � Zd d � Z d d � Z ddd�Z e dd� �Z e jdd� �Z dejfdd�Ze e�ZdS )r� z�A Python Unicode string that is part of a parse tree. When Beautiful Soup parses the markup <b>penguin</b>, it will create a NavigableString for the string "penguin". r6 c C s2 t |t�r t�| |�}nt�| |t�}|�� |S )a- Create a new NavigableString. When unpickling a NavigableString, this method is called with the string in DEFAULT_OUTPUT_ENCODING. That encoding needs to be passed in to the superclass's __new__ or the superclass won't know how to handle non-ASCII characters. )rP r% r& �DEFAULT_OUTPUT_ENCODINGrO )r* �value�ur r r r& � s zNavigableString.__new__Fc C s t | �| �S )a> A copy of a NavigableString has the same contents and class as the original, but it is not connected to the parse tree. :param recursive: This parameter is ignored; it's only defined so that NavigableString.__deepcopy__ implements the same signature as Tag.__deepcopy__. )�type)r �memo� recursiver r r � __deepcopy__� s z NavigableString.__deepcopy__c C � | � i �S )z�A copy of a NavigableString can only be a deep copy, because only one PageElement can occupy a given place in a parse tree. �r r r r r �__copy__� � zNavigableString.__copy__c C s t | �fS r )r% r r r r �__getnewargs__� � z NavigableString.__getnewargs__c C s |dkr| S t d| jj|f ��)z�text.string gives you text. This is for backwards compatibility for Navigable*String, but for CData* it lets you get the string without the CData wrapper.rb �!'%s' object has no attribute '%s')�AttributeError� __class__r- )r r r r r � __getattr__� s ��zNavigableString.__getattr__�minimalc C s | � | |�}| j| | j S )z�Run the string through the provided formatter. :param formatter: A Formatter object, or a string naming one of the standard formatters. �rV �PREFIX�SUFFIX)r rT rU r r r � output_ready� s z NavigableString.output_readyc C � dS )z�Since a NavigableString is not a Tag, it has no .name. This property is implemented so that code like this doesn't crash when run on a mixture of Tag and NavigableString objects: [x.name for x in tag.children] Nr r r r r r( � s zNavigableString.namec C s t d��)z1Prevent NavigableString.name from ever being set.z)A NavigableString cannot be given a name.�r )r r( r r r r( � � c c sp � || j u r tj}t| �}|dur#t|t�r ||ur dS n||vr#dS | }|r+|�� }t|�dkr6|V dS dS )a� Yield all strings of certain classes, possibly stripping them. This makes it easy for NavigableString to implement methods like get_text() as conveniences, creating a consistent text-extraction API across all PageElements. :param strip: If True, all strings will be stripped before being yielded. :param types: A tuple of NavigableString subclasses. If this NavigableString isn't one of those subclasses, the sequence will be empty. By default, the subclasses considered are NavigableString and CData objects. That means no comments, processing instructions, etc. :yield: A sequence that either contains this string, or is empty. Nr )r� r� � DEFAULT_INTERESTING_STRING_TYPESr rP r^ rq )r r^ r_ �my_typer r r r r` � s" � � �z NavigableString._all_stringsN�F)r )r- r. r/ r0 r r r& r r r r r r r( r rG r� r` �stringsr r r r r� � s .r� c @ s" e Zd ZdZdZdZddd�ZdS )�PreformattedStringz�A NavigableString not subject to the normal formatting rules. This is an abstract class used for special kinds of strings such as comments (the Comment class) and CDATA blocks (the CData class). r6 Nc C s$ |dur | � | |�}| j| | j S )a� Make this string ready for output by adding any subclass-specific prefix or suffix. :param formatter: A Formatter object, or a string naming one of the standard formatters. The string will be passed into the Formatter, but only to trigger any side effects: the return value is ignored. :return: The string, with any subclass-specific prefix and suffix added on. Nr )r rT �ignorer r r r . s z PreformattedString.output_readyr )r- r. r/ r0 r r r r r r r r # s r c @ � e Zd ZdZdZdZdS )�CDatazA CDATA block.z <![CDATA[z]]>N�r- r. r/ r0 r r r r r r r" > � r" c @ r! )�ProcessingInstructionz A SGML processing instruction.�<?�>Nr# r r r r r% C s r% c @ r! )�XMLProcessingInstructionz An XML processing instruction.r& �?>Nr# r r r r r( I r$ r( c @ r! )�CommentzAn HTML or XML comment.z<!--z-->Nr# r r r r r* N r$ r* c @ r! )� DeclarationzAn XML declaration.r& r) Nr# r r r r r+ T r$ r+ c @ s$ e Zd ZdZedd� �ZdZdZdS )�Doctypez A document type declaration.c C sT |pd}|dur |d| 7 }|dur|d| 7 }t |�S |dur&|d| 7 }t |�S )a� Generate an appropriate document type declaration for a given public ID and system ID. :param name: The name of the document's root element, e.g. 'html'. :param pub_id: The Formal Public Identifier for this document type, e.g. '-//W3C//DTD XHTML 1.1//EN' :param system_id: The system identifier for this document type, e.g. 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd' :return: A Doctype. r6 Nz PUBLIC "%s"z "%s"z SYSTEM "%s")r, )r* r( �pub_id� system_idr r r r �for_name_and_ids\ s � zDoctype.for_name_and_idsz <!DOCTYPE z> N)r- r. r/ r0 � classmethodr/ r r r r r r r, Z s r, c @ r1 )� Stylesheetz�A NavigableString representing an stylesheet (probably CSS). Used to distinguish embedded stylesheets from textual content. Nr3 r r r r r1 w � r1 c @ r1 )�Scriptz�A NavigableString representing an executable script (probably Javascript). Used to distinguish executable code from textual content. Nr3 r r r r r3 � r2 r3 c @ r1 )�TemplateStringz�A NavigableString representing a string found inside an HTML template embedded in a larger document. Used to distinguish such strings from the main body of the document. Nr3 r r r r r4 � r2 r4 c @ r1 )�RubyTextStringz�A NavigableString representing the contents of the <rt> HTML element. https://dev.w3.org/html5/spec-LC/text-level-semantics.html#the-rt-element Can be used to distinguish such strings from the strings they're annotating. Nr3 r r r r r5 � s r5 c @ r1 )�RubyParenthesisStringz�A NavigableString representing the contents of the <rp> HTML element. https://dev.w3.org/html5/spec-LC/text-level-semantics.html#the-rp-element Nr3 r r r r r6 � r2 r6 c @ st e Zd ZdZ dndd�Zed�Zdodd�Zd d � Zd d � Z e d d� �Z e Z e dd� �Z e jdd� �Z eefZdejfdd�Ze e�Zdd� Zdpdd�Zdd� Zdd � Zdqd d �Zdqd d �Zd!d"� Z d#d$� Z d%d&� Z d'd(� Z d)d*� Z d+d,� Z!d-d.� Z"d/d0� Z#d1d2� Z$d3d4� Z%d5d6� Z&d7d8� Z'd9d:� Z(drd<d=�Z)d>d?� Z*e* Z+Z)e,dd@dAfdBdC�Z-de,d@dfdDdE�Z.e/� Z0e/� Z1e/� Z2e/� Z3dqdFdG�Z4dHdI� Z5dJdK� Z6dsdMdN�Z7dtdOdP�Z8de,d@fdQdR�Z9de,d@fdSdT�Z:e,ddUfdVdW�Z;di ddfdXdY�Z<e<Z=di dddfdZd[�Z>e>Z?e>Z@e d\d]� �ZAe d^d_� �ZBe d`da� �ZCdqdbdc�ZDduddde�ZEe dfdg� �ZFdhdi� ZGdjdk� ZHdldm� ZIdS )vr� z�Represents an HTML or XML tag that is part of a parse tree, along with its attributes and contents. When Beautiful Soup parses the markup <b>penguin</b>, it will create a Tag object representing the <b> tag. Nc C sR |du rd| _ n|j| _ |du rtd��|| _|| _|p i | _|| _|r'|jr5| dus/| dur5| | _| | _ |du r<i }n|rR|durM|j rM|� | j|�}n t |�}nt |�}|r]|j | _n| | _|| _g | _| �||� d| _|du r�| | _| | _ || _|| _dS |�| � |�|�| _|j | _ |j| _| j|jv r�|j| j | _dS | j| _dS )aM Basic constructor. :param parser: A BeautifulSoup object. :param builder: A TreeBuilder. :param name: The name of the tag. :param namespace: The URI of this Tag's XML namespace, if any. :param prefix: The prefix for this Tag's XML namespace, if any. :param attrs: A dictionary of this Tag's attribute values. :param parent: The PageElement to use as this Tag's parent. :param previous: The PageElement that was parsed immediately before this tag. :param is_xml: If True, this is an XML tag. Otherwise, this is an HTML tag. :param sourceline: The line number where this tag was found in its source document. :param sourcepos: The character position within `sourceline` where this tag was found. :param can_be_empty_element: If True, this tag should be represented as <tag/>. If False, this tag should be represented as <tag></tag>. :param cdata_list_attributes: A list of attributes whose values should be treated as CDATA if they ever show up on this tag. :param preserve_whitespace_tags: A list of tag names whose contents should have their whitespace preserved. :param interesting_string_types: This is a NavigableString subclass or a tuple of them. When iterating over this Tag's strings in methods like Tag.strings or Tag.get_text, these are the types of strings that are interesting enough to be considered. The default is to consider NavigableString and CData the only interesting string subtypes. :param namespaces: A dictionary mapping currently active namespace prefixes to URIs. This can be used later to construct CSS selectors. Nz%No value provided for new tag's name.F)� parser_classr rp r( r) � _namespacesr' �store_line_numbers� sourceline� sourcepos�cdata_list_attributes�$_replace_cdata_list_attribute_values�dictr[ r\ r� rN rO �hidden�can_be_empty_element�preserve_whitespace_tags�interesting_string_types�set_up_substitutions�string_containersr )r �parser�builderr( r) r' r� rI r� r[ r: r; r@ r< rA rB � namespacesr r r �__init__� sR + � z Tag.__init__r7 Tc C sp | � � }|r6|g}| �| j�D ]&\}}|tju r |�� q|j|dd�}|d �|� |tju r5|�|� q|S )z�A deepcopy of a Tag is a new Tag, unconnected to the parse tree. Its contents are a copy of the old Tag's contents. F)r rH ) �_clone� _event_stream� descendantsr� �END_ELEMENT_EVENTr� r r� �START_ELEMENT_EVENT)r r r �clone� tag_stack�eventr� �descendant_cloner r r r & s � �zTag.__deepcopy__c C r )zyA copy of a Tag must always be a deep copy, because a Tag's children can only have one parent at a time. r r r r r r B r z Tag.__copy__c C s\ t | �dd| j| j| j| j| j| j| j| j| j | j | j d� }dD ] }t ||t | |�� q |S )z�Create a new Tag just like this one, but with no contents and unattached to any parse tree. This is the first step in the deepcopy process. N)r[ r: r; r@ r< rA rB )r@ r? )r r( r) r' r� rX r: r; r@ r< rA rB r r )r rN r r r r rI H s � z Tag._clonec C s t | j�dko | jS )a7 Is this tag an empty-element tag? (aka a self-closing tag) A tag that has contents is never an empty-element tag. A tag that has no contents may or may not be an empty-element tag. It depends on the builder used to create the tag. If the builder has a designated list of empty-element tags, then only a tag whose name shows up in that list is considered an empty-element tag. If the builder has no designated list of empty-element tags, then any tag with no contents is an empty-element tag. r )rq rN r@ r r r r �is_empty_element[ s zTag.is_empty_elementc C s0 t | j�dkr dS | jd }t|t�r|S |jS )a� Convenience property to get the single string within this PageElement. TODO It might make sense to have NavigableString.string return itself. :return: If this element has a single string child, return value is that string. If this element has one child tag, return value is the 'string' attribute of the child tag, recursively. If this element is itself a string, has no children, or has more than one child, return value is None. r? Nr )rq rN rP r� rb )r r~ r r r rb m s z Tag.stringc C s | � � | �|�|�� dS )z2Replace this PageElement's contents with `string`.N)�clearr� r ra r r r rb � s Fc c s� � || j u r | j}| jD ]4}|du rt|t�sq t|�}t|t�r'||ur&q n |dur0||vr0q |r=|�� }t|�dkr=q |V q dS )a| Yield all strings of certain classes, possibly stripping them. :param strip: If True, all strings will be stripped before being yielded. :param types: A tuple of NavigableString subclasses. Any strings of a subclass not found in this list will be ignored. By default, the subclasses considered are the ones found in self.interesting_string_types. If that's not specified, only NavigableString and CData objects will be considered. That means no comments, processing instructions, etc. :yield: A sequence of strings. Nr )r� rB rK rP r� r r^ rq )r r^ r_ � descendant�descendant_typer r r r` � s& � � �zTag._all_stringsc C sD | � � | }|dur |j}|j�� g |_d|_|}|dus dS dS )a� Recursively destroys this PageElement and its children. This element will be removed from the tree and wiped out; so will everything beneath it. The behavior of a decomposed PageElement is undefined and you should never use one for anything, but if you need to _check_ whether an element has been decomposed, you can use the `decomposed` property. NT)rt rK �__dict__rS rN r� )r r� �nr r r � decompose� s �z Tag.decomposec C sX |r | j dd� D ]}t|t�r|�� q |�� q dS | j dd� D ]}|�� q#dS )z�Wipe out all children of this PageElement by calling extract() on them. :param decompose: If this is True, decompose() (a more destructive method) will be called instead of extract(). N)rN rP r� rX rt )r rX r� r r r rS � s � �z Tag.clearc C s� g }t | j�D ]7\}}t|t�r|�� |t| j�d kr q| j|d }t|t�r>t|t�r>t|t�s>t|t�s>|�|� qt |�D ] }| j| }| j|d }|� � t|| �}|� |� qCdS )z�Smooth out this element's children by consolidating consecutive strings. This makes pretty-printed output look more natural following a lot of operations that modified the tree. r? N) ru rN rP r� �smoothrq r� r r� r| rt r{ )r �markedr� �a�brW r r r rY � s. ��� � �z Tag.smoothc C s, t | j�D ] \}}||u r| S qtd��)z�Find the index of a child by identity, not value. Avoids issues with tag.contents.index(element) getting the index of equal elements. :param element: Look for this PageElement in `self.contents`. z Tag.index: element not in tag)ru rN rp )r r� r� r~ r r r rs � s �z Tag.indexc C s | j �||�S )z�Returns the value of the 'key' attribute for the tag, or the value given for 'default' if it doesn't have that attribute.)r� �get)r �keyr� r r r r] s zTag.getc C s | � ||�}t|t�s|g}|S )a& The same as get(), but always returns a list. :param key: The attribute to look for. :param default: Use this value if the attribute is not present on this PageElement. :return: A list of values, probably containing only a single value. )r] rP r� )r r^ r� r r r r �get_attribute_list s zTag.get_attribute_listc C � || j v S )z<Does this PageElement have an attribute with the given name?�r� �r r^ r r r �has_attr r z Tag.has_attrc C s t | ��� S r )r% �__hash__r r r r rd s z Tag.__hash__c C s | j | S )zqtag[key] returns the value of the 'key' attribute for the Tag, and throws an exception if it's not there.ra rb r r r � __getitem__" � zTag.__getitem__c C � t | j�S )z0Iterating over a Tag iterates over its contents.��iterrN r r r r �__iter__' r z Tag.__iter__c C rg )z:The length of a Tag is the length of its list of contents.)rq rN r r r r �__len__+ r z Tag.__len__c C r` r )rN )r rk r r r � __contains__/ r zTag.__contains__c C r )z-A tag is non-None even if it has no contents.Tr r r r r �__bool__2 s z Tag.__bool__c C s || j |< dS )zKSetting tag[key] sets the value of the 'key' attribute for the tag.Nra )r r^ r r r r � __setitem__6 s zTag.__setitem__c C s | j �|d� dS )z;Deleting tag[key] deletes all 'key' attributes for the tag.N)r� r� rb r r r � __delitem__; s zTag.__delitem__c O s | j |i |��S )z�Calling a Tag like a function is the same as calling its find_all() method. Eg. tag('a') returns a list of all the A tags found within this tag.��find_all)r rw r� r r r �__call__? s z Tag.__call__c C st t |�dkr#|�d�r#|dd� }tjdt|d� tdd� | �|�S |�d �s1|d ks1| �|�S td | j |f ��) zACalling tag.subtag is the same as calling tag.find(name="subtag")r� r� N���z�.%(name)sTag is deprecated, use .find("%(name)s") instead. If you really were looking for a tag called %(name)sTag, use .find("%(name)sTag"))r( r� r� �__rN r ) rq �endswithr� r� r> r� �find� startswithr r )r r� �tag_namer r r r E s �� �zTag.__getattr__c C s� | |u rdS t |d�r)t |d�r)t |d�r)| j|jks)| j|jks)t| �t|�kr+dS t| j�D ]\}}||j| kr> dS q0dS )zyReturns true iff this Tag has the same name, the same attributes, and the same contents (recursively) as `other`.Tr( r� rN F)r� r( r� rq ru rN )r �otherr� �my_childr r r �__eq__X s �� �z Tag.__eq__c C s | |k S )zTReturns true iff this Tag is not identical to `other`, as defined in __eq__.r )r ry r r r �__ne__i rf z Tag.__ne__r! c C � | � � S )z�Renders this PageElement as a string. :param encoding: The encoding to use (Python 2 only). TODO: This is now ignored and a warning should be issued if a value is provided. :return: A (Unicode) string. ��decoder8 r r r �__repr__n s z Tag.__repr__c C r} )z-Renders this PageElement as a Unicode string.r~ r r r r � __unicode__y s zTag.__unicode__r �xmlcharrefreplacec C s | � |||�}|�||�S )a Render a bytestring representation of this PageElement and its contents. :param encoding: The destination encoding. :param indent_level: Each line of the rendering will be indented this many levels. (The formatter decides what a 'level' means in terms of spaces or other characters output.) Used internally in recursive calls while pretty-printing. :param formatter: A Formatter object, or a string naming one of the standard formatters. :param errors: An error handling strategy such as 'xmlcharrefreplace'. This value is passed along into encode() and its value should be one of the constants defined by Python. :return: A bytestring. �r r: )r r9 � indent_levelrT �errorsr r r r r: s z Tag.encodec C sJ g }t |t�s | �|�}|du rd}d }| �|�D ]�\}}|tjtjfv r.|j||dd�} n|tju rD|j||dd�} |d urC|d8 }n|� |�} |rPd } } nd } } |tju rf|sf|� � sfd} d} |}n|tju ru||u rud} d} d }|d ur�| s}| r�t |t �r�| � � } | r�| � | ||| | �} |tjkr�|d7 }|�| � qd�|�S )NTr )�openingFr? r6 )rP r rQ rJ r� rM �EMPTY_ELEMENT_EVENT� _format_tagrL r �_should_pretty_printr� r^ �_indent_stringr� rf ) r r� �eventual_encodingrT �iterator�pieces�string_literal_tagrP r� �piece� indent_before� indent_afterr r r r � s` � �� �� � z Tag.decodec c s� � g }|p| j }|D ]?}|r(|j|d kr(|�� }tj|fV |r(|j|d kst|t�rC|jr7tj|fV q tj|fV |� |� q tj |fV q |rZ|�� }tj|fV |sLdS dS )a] Yield a sequence of events that can be used to reconstruct the DOM for this element. This lets us recreate the nested structure of this element (e.g. when formatting it as a string) without using recursive method calls. This is similar in concept to the SAX API, but it's a simpler interface designed for internal use. The events are different from SAX and the arguments associated with the events are Tags and other Beautiful Soup objects. :param iterator: An alternate iterator to use when traversing the tree. rH N) �self_and_descendantsrI r� r� rL rP rR r� rM r� �STRING_ELEMENT_EVENT)r r� rO rZ �now_closed_tagr r r rJ � s& � � �zTag._event_streamc C s. d}|r |r |j | }d}|rd}|| | S )a� Add indentation whitespace before and/or after a string. :param s: The string to amend with whitespace. :param indent_level: The indentation level; affects how much whitespace goes before the string. :param indent_before: Whether or not to add whitespace before the string. :param indent_after: Whether or not to add whitespace (a newline) after the string. r6 � )�indent)r rS r� rT r� r� � space_before� space_afterr r r r� ! s zTag._indent_stringc C s | j rdS d}|s d}d}| jr| jd }d}|rt|�| �}g }|D ]H\} } | d u r-| } n8t| t�s7t| t�r=d�| �} nt| t�sGt| �} nt| t�rU|d urU| � |�} |� | �} t| �d |� | � } |� | � q"|rtdd�|� }d} | j r~|jp}d} d| | | j | | d S )Nr6 �/r$ � �=�<r' )r? r' � attributesrP r� �tuplerf r% r2 r: �attribute_value�quoted_attribute_valuer� rR �void_element_close_prefixr( )r r� rT r� � closing_slashr' �attribute_stringr� r� r^ �val�decodedr� �void_element_closing_slashr r r r� 7 sF � �� zTag._format_tagr? c C s |duo | j p | j| j vS )z�Should this tag be pretty-printed? Most of them should, but some (such as <pre> in HTML documents) should not. N)rA r( )r r� r r r r� m s �zTag._should_pretty_printc C s& |du r | j d|d�S | j|d|d�S )a~ Pretty-print this PageElement as a string. :param encoding: The eventual encoding of the string. If this is None, a Unicode string will be returned. :param formatter: A Formatter object, or a string naming one of the standard formatters. :return: A Unicode string (if encoding==None) or a bytestring (otherwise). NT)rT r� )r r9 rT r r r �prettify{ s z Tag.prettifyc C s | j |||| jd�S )a, Renders the contents of this tag as a Unicode string. :param indent_level: Each line of the rendering will be indented this many levels. (The formatter decides what a 'level' means in terms of spaces or other characters output.) Used internally in recursive calls while pretty-printing. :param eventual_encoding: The tag is destined to be encoded into this encoding. decode_contents() is _not_ responsible for performing that encoding. This information is passed in so that it can be substituted in if the document contains a <META> tag that mentions the document's encoding. :param formatter: A Formatter object, or a string naming one of the standard Formatters. )r� )r rK )r r� r� rT r r r �decode_contents� s �zTag.decode_contentsc C s | � |||�}|�|�S )a: Renders the contents of this PageElement as a bytestring. :param indent_level: Each line of the rendering will be indented this many levels. (The formatter decides what a 'level' means in terms of spaces or other characters output.) Used internally in recursive calls while pretty-printing. :param eventual_encoding: The bytestring will be in this encoding. :param formatter: A Formatter object, or a string naming one of the standard Formatters. :return: A bytestring. )r� r: )r r� r9 rT rN r r r �encode_contents� s zTag.encode_contentsr c C s |sd}| j ||d�S )z(Deprecated method for BS3 compatibility.N)r� r9 )r� )r r9 � prettyPrint� indentLevelr r r �renderContents� s �zTag.renderContentsc K s2 d}| j ||||dfddi|��}|r|d }|S )a Look in the children of this PageElement and find the first PageElement that matches the given criteria. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param recursive: If this is True, find() will perform a recursive search of this PageElement's children. Otherwise, only the direct children will be considered. :param limit: Stop looking after finding this many results. :kwargs: A dictionary of filters on attribute values. :return: A PageElement. :rtype: bs4.element.Tag | bs4.element.NavigableString Nr? r� r� r rp )r r( r� r rb r� r� r� r r r rv � s �zTag.findc K s> | j }|s| j}|�dd�}| j|||||fd|d i|��S )a� Look in the children of this PageElement and find all PageElements that match the given criteria. All find_* methods take a common set of arguments. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param recursive: If this is True, find_all() will perform a recursive search of this PageElement's children. Otherwise, only the direct children will be considered. :param limit: Stop looking after finding this many results. :kwargs: A dictionary of filters on attribute values. :return: A ResultSet of PageElements. :rtype: bs4.element.ResultSet r� r� r? )rK �childrenr� r� ) r r( r� r rb r� r� r� r� r r r rq � s ��z Tag.find_allc C rg )zkIterate over all direct children of this PageElement. :yield: A sequence of PageElements. rh r r r r r� � s z Tag.childrenc c s$ � | j s| V | jD ]}|V q dS )z�Iterate over this PageElement and its children in a breadth-first sequence. :yield: A sequence of PageElements. N)r? rK r� r r r r� s � �zTag.self_and_descendantsc c sH � t | j�sdS | �� j}| jd }||ur"|V |j}||usdS dS )z�Iterate over all children of this PageElement in a breadth-first sequence. :yield: A sequence of PageElements. Nr )rq rN r� rK )r �stopNode�currentr r r rK s � �zTag.descendantsc K s | j j||fi |��S )a Perform a CSS selection operation on the current element. :param selector: A CSS selector. :param namespaces: A dictionary mapping namespace prefixes used in the CSS selector to namespace URIs. By default, Beautiful Soup will use the prefixes it encountered while parsing the document. :param kwargs: Keyword arguments to be passed into Soup Sieve's soupsieve.select() method. :return: A Tag. :rtype: bs4.element.Tag )�css� select_one)r �selectorrG r� r r r r� s zTag.select_onec K s | j j|||fi |��S )a� Perform a CSS selection operation on the current element. This uses the SoupSieve library. :param selector: A string containing a CSS selector. :param namespaces: A dictionary mapping namespace prefixes used in the CSS selector to namespace URIs. By default, Beautiful Soup will use the prefixes it encountered while parsing the document. :param limit: After finding this number of results, stop looking. :param kwargs: Keyword arguments to be passed into SoupSieve's soupsieve.select() method. :return: A ResultSet of Tags. :rtype: bs4.element.ResultSet )r� �select)r r� rG r� r� r r r r� 0 s z Tag.selectc C s t | �S )z,Return an interface to the CSS selector API.r r r r r r� F r zTag.cssc C r� �zDeprecated generator.)r� r r r r �childGeneratorL � zTag.childGeneratorc C r� r� )rK r r r r �recursiveChildGeneratorP r� zTag.recursiveChildGeneratorc C s t jdtdd� | �|�S )z�Deprecated method. This was kind of misleading because has_key() (attributes) was different from __in__ (contents). has_key() is gone in Python 3, anyway. z1has_key is deprecated. Use has_attr(key) instead.r� r� )r� r� r� rc rb r r r �has_keyT s � z Tag.has_key)NNNNNNNNNNNNNNNN)Tr r )r! )r? )Nr r, )Jr- r. r/ r0 rH r � parserClassr r rI r rR � isSelfClosingrb r r� r" r rG r� r` r rX rS rY rs r] r_ rc rd re rj rk rl rm rn ro rr r r{ r| r� r� �__str__r r: r r� rM rL r� r� rJ r� r� r� r� r� r� r� rv � findChildrq �findAll� findChildrenr� r� rK r� r� r� r� r� r� r r r r r� � s� �u $ & � �Y * 6 � � � � r� c @ sT e Zd ZdZdi dfdd�Zdd� Zdd� Zdi fd d �ZeZd d � Z dd d�Z dS )r� a& Encapsulates a number of ways of matching a markup element (tag or string). This is primarily used to underpin the find_* methods, but you can create one yourself and pass it in as `parse_only` to the `BeautifulSoup` constructor, to parse a subset of a large document. Nc K s� |du rd|v r|� d�}tjdtdd� | �|�| _t|t�s&||d< d}d|v r3|d |d< |d= |rC|rA|�� }|� |� n|}i }t |� � �D ] \}}| �|�||< qK|| _ | �|�| _ | j | _dS )a� Constructor. The SoupStrainer constructor takes the same arguments passed into the find_* methods. See the online documentation for detailed explanations. :param name: A filter on tag name. :param attrs: A dictionary of filters on attribute values. :param string: A filter for a NavigableString with specific text. :kwargs: A dictionary of filters on attribute values. Nr� zXThe 'text' argument to the SoupStrainer constructor is deprecated. Use 'string' instead.r� r� �class�class_)r� r� r� r� �_normalize_search_valuer( rP r> �copy�updater� �itemsr� rb r� )r r( r� rb r� �normalized_attrsr^ r r r r rH k s0 � zSoupStrainer.__init__c C s� t |t�st |t�st|d�st |t�s|d u r|S t |t�r$|�d�S t|d�rOg }|D ] }t|d�rDt |t�sDt |t�sD|�|� q-|�| �|�� q-|S tt|��S )Nr> �utf8rj ) rP r% r r� �bool�bytesr r� r� )r r � new_value�vr r r r� � s" � � z$SoupStrainer._normalize_search_valuec C s | j r| j S d| j| jf S )z5A human-readable representation of this SoupStrainer.z%s|%s)rb r( r� r r r r r� � s zSoupStrainer.__str__c C s8 d}d}t |t�r |}|}t | jt�r |r |js | j|jkr dS t | jt�o+t |t� }| jrC|sC|r:| �|| j�sC|s�| �|| j�r�|rL| �||�}n6d}d}t| j� � �D ]*\}} |srt |d�re|}n i }|D ]\} } | || < qi|� |�} | �| | �s�d} nqW|r�|r�|}n|}|r�| j r�| �|j | j �s�d}|S )a� Check whether a Tag with the given name and attributes would match this SoupStrainer. Used prospectively to decide whether to even bother creating a Tag object. :param markup_name: A tag name as found in some markup. :param markup_attrs: A dictionary of attributes as found in some markup. :return: True if the prospective tag would match this SoupStrainer; False otherwise. NFTr] ) rP r� r( r% r' r �_matchesr� r� r� r� r] rb ) r � markup_name� markup_attrsr� �markup�call_function_with_tag_datar> �markup_attr_mapr � match_against�kr� � attr_valuer r r � search_tag� sZ ��� �� � �zSoupStrainer.search_tagc C s� d}t |d�r$t|ttf�s$|D ]}t|t�r!| �|�r!|} |S q|S t|t�r9| jr2| js2| jr7| � |�}|S t|t�sCt|t�rT| jsR| jsR| � || j�rR|}|S t d|j ��)z�Find all items in `markup` that match this SoupStrainer. Used by the core _find_all() method, which is ultimately called by all find_* methods. :param markup: A PageElement or a list of them. Nrj z&I don't know how to match against a %s) r� rP r� r% r� r= rb r( r� r� r� � Exceptionr )r r� r� r� r r r r= � s0 �� � ����zSoupStrainer.searchc C sf d}t |t�s t |t�r'|D ] }| �||�r dS q| �d�|�|�r%dS dS |du r/|d uS t |t�r8||�S |}t |t�rB|j}| �|�}|d u rN| S t |d�r�t |t �s�|s]t � }|D ] }|j rg|}nt |�}||v rpq_|�|� | �|||�r dS q_dS d}|s�t |t �r�||k}|s�t |d�r�|�|�S |s�t |t�r�|jr�| �|jd |j |�S |S )NFTr� rj r= r$ )rP r� r� r� rf r r� r( r� r� r% �setrd �id�addr= r' ) r r� r� � already_triedr� �item�original_markupr^ r> r r r r� sb � � � ���zSoupStrainer._matchesr ) r- r. r/ r0 rH r� r� r� � searchTagr= r� r r r r r� a s 0 =!r� c s* e Zd ZdZd� fdd� Zdd� Z� ZS )r� zTA ResultSet is just a list that keeps track of the SoupStrainer that created it.r c s t t| ��|� || _dS )zlConstructor. :param source: A SoupStrainer. :param result: A list of PageElements. N)�superr� rH �source)r r� r� �r r r rH v s zResultSet.__init__c C s t d| ��)z7Raise a helpful exception to explain a common code fix.z�ResultSet object has no attribute '%s'. You're probably treating a list of elements like a single element. Did you call find_all() when you meant to call find()?r rb r r r r s �zResultSet.__getattr__)r )r- r. r/ r0 rH r � __classcell__r r r� r r� s s r� ).� __license__�collections.abcr � ImportError�e� collectionsrD �sysr� �bs4.cssr � bs4.formatterr r r r rE �nonwhitespace_re� whitespace_rer r� r7 r% r# r2 r4 r; r� rG r� r r" r% r( r* r+ r, r1 r3 r4 r5 r6 r� r� r� r� r r r r �<module> sj �� ~ A
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