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B �.�`�t � @ s d Z dZddlZddlmZ ddlZddlZddlZdZyddl Z dd� Z W nF e k r� yddl Z dd� Z W n e k r� dd� Z Y nX Y nX y ddl Z W n e k r� Y nX e�d �� ej�Ze�d �� ej�ZG d d � d e�ZG d d� d�ZG dd� d�ZdS )aB Beautiful Soup bonus library: Unicode, Dammit This library converts a bytestream to Unicode through any means necessary. It is heavily based on code from Mark Pilgrim's Universal Feed Parser. It works best on XML and HTML, but it does not rewrite the XML or HTML to reflect a new encoding; that's the tree builder's job. �MIT� N)�codepoint2namec C s t �| �d S )N�encoding)�cchardet�detect)�s� r �;/opt/alt/python37/lib/python3.7/site-packages/bs4/dammit.py�chardet_dammit s r c C s t �| �d S )Nr )�chardetr )r r r r r ! s c C s d S )Nr )r r r r r ' s z!^<\?.*encoding=['"](.*?)['"].*\?>z0<\s*meta[^>]+charset\s*=\s*["']?([^>]*?)[ /;'">]c @ s� e Zd ZdZdd� Ze� \ZZZdddddd �Ze � d �Z e � d �Z e d d � �Ze dd� �Ze dd� �Ze ddd��Ze ddd��Ze dd� �ZdS ) �EntitySubstitutionzASubstitute XML or HTML entities for the corresponding characters.c C sn i } i }g }xBt t�� �D ]2\}}t|�}|dkrD|�|� || |< |||< qW dd�|� }| |t�|�fS )N�" z[%s]� )�listr �items�chr�append�join�re�compile)�lookupZreverse_lookupZcharacters_for_reZ codepoint�name� characterZ re_definitionr r r �_populate_class_variables9 s z,EntitySubstitution._populate_class_variablesZaposZquotZamp�lt�gt)�'�"�&�<�>z&([<>]|&(?!#\d+;|#x[0-9a-fA-F]+;|\w+;))z([<>&])c C s | j �|�d��}d| S )Nr z&%s;)�CHARACTER_TO_HTML_ENTITY�get�group)�cls�matchobj�entityr r r �_substitute_html_entityZ s z*EntitySubstitution._substitute_html_entityc C s | j |�d� }d| S )zmUsed with a regular expression to substitute the appropriate XML entity for an XML special character.r z&%s;)�CHARACTER_TO_XML_ENTITYr# )r$ r% r& r r r �_substitute_xml_entity_ s z)EntitySubstitution._substitute_xml_entityc C s6 d}d|kr*d|kr&d}|� d|�}nd}|| | S )a* Make a value into a quoted XML attribute, possibly escaping it. Most strings will be quoted using double quotes. Bob's Bar -> "Bob's Bar" If a string contains double quotes, it will be quoted using single quotes. Welcome to "my bar" -> 'Welcome to "my bar"' If a string contains both single and double quotes, the double quotes will be escaped, and the string will be quoted using double quotes. Welcome to "Bob's Bar" -> "Welcome to "Bob's bar" r r z")�replace)�self�valueZ quote_withZ replace_withr r r �quoted_attribute_valuef s z)EntitySubstitution.quoted_attribute_valueFc C s" | j �| j|�}|r | �|�}|S )a Substitute XML entities for special XML characters. :param value: A string to be substituted. The less-than sign will become <, the greater-than sign will become >, and any ampersands will become &. If you want ampersands that appear to be part of an entity definition to be left alone, use substitute_xml_containing_entities() instead. :param make_quoted_attribute: If True, then the string will be quoted, as befits an attribute value. )�AMPERSAND_OR_BRACKET�subr) r- )r$ r, �make_quoted_attributer r r �substitute_xml� s z!EntitySubstitution.substitute_xmlc C s" | j �| j|�}|r | �|�}|S )a� Substitute XML entities for special XML characters. :param value: A string to be substituted. The less-than sign will become <, the greater-than sign will become >, and any ampersands that are not part of an entity defition will become &. :param make_quoted_attribute: If True, then the string will be quoted, as befits an attribute value. )�BARE_AMPERSAND_OR_BRACKETr/ r) r- )r$ r, r0 r r r �"substitute_xml_containing_entities� s z5EntitySubstitution.substitute_xml_containing_entitiesc C s | j �| j|�S )a� Replace certain Unicode characters with named HTML entities. This differs from data.encode(encoding, 'xmlcharrefreplace') in that the goal is to make the result more readable (to those with ASCII displays) rather than to recover from errors. There's absolutely nothing wrong with a UTF-8 string containg a LATIN SMALL LETTER E WITH ACUTE, but replacing that character with "é" will make it more readable to some people. )�CHARACTER_TO_HTML_ENTITY_REr/ r' )r$ r r r r �substitute_html� s z"EntitySubstitution.substitute_htmlN)F)F)�__name__� __module__� __qualname__�__doc__r r! ZHTML_ENTITY_TO_CHARACTERr4 r( r r r2 r. � classmethodr' r) r- r1 r3 r5 r r r r r 5 s$ % r c @ sH e Zd ZdZddd�Zdd� Zedd � �Zed d � �Z edd d ��Z dS )�EncodingDetectora^ Suggests a number of possible encodings for a bytestring. Order of precedence: 1. Encodings you specifically tell EncodingDetector to try first (the override_encodings argument to the constructor). 2. An encoding declared within the bytestring itself, either in an XML declaration (if the bytestring is to be interpreted as an XML document), or in a <meta> tag (if the bytestring is to be interpreted as an HTML document.) 3. An encoding detected through textual analysis by chardet, cchardet, or a similar external library. 4. UTF-8. 5. Windows-1252. NFc C sN |pg | _ |pg }tdd� |D ��| _d | _|| _d | _| �|�\| _| _d S )Nc S s g | ] }|� � �qS r )�lower)�.0�xr r r � <listcomp>� s z-EncodingDetector.__init__.<locals>.<listcomp>) �override_encodings�set�exclude_encodings�chardet_encoding�is_html�declared_encoding�strip_byte_order_mark�markup�sniffed_encoding)r+ rG r@ rD rB r r r �__init__� s zEncodingDetector.__init__c C s8 |d k r4|� � }|| jkr dS ||kr4|�|� dS dS )NFT)r< rB �add)r+ r �triedr r r �_usable� s zEncodingDetector._usablec c s� t � }x | jD ]}| �||�r|V qW | �| j|�r>| jV | jdkrZ| �| j| j�| _| �| j|�rp| jV | jdkr�t | j�| _| �| j|�r�| jV x dD ]}| �||�r�|V q�W dS )z<Yield a number of encodings that might work for this markup.N)zutf-8z windows-1252) rA r@ rL rH rE �find_declared_encodingrG rD rC r )r+ rK �er r r � encodings� s$ zEncodingDetector.encodingsc C s� d}t |t�r||fS t|�dkrT|dd� dkrT|dd� dkrTd}|dd� }n�t|�dkr�|dd� dkr�|dd� dkr�d}|dd� }nd|dd � d kr�d }|d d� }nB|dd� d kr�d }|dd� }n |dd� dkr�d}|dd� }||fS )zMIf a byte-order mark is present, strip it and return the encoding it implies.N� � s ��z zutf-16bes ��zutf-16le� s zutf-8s ��zutf-32bes �� zutf-32le)� isinstance�str�len)r$ �datar r r r rF s* z&EncodingDetector.strip_byte_order_markc C s� |rt |� }}nd}tdtt |�d ��}d}tj||d�}|sT|rTtj||d�}|dk rp|�� d �dd�}|r||�� S dS ) z�Given a document, tries to find its declared encoding. 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An HTML encoding is declared in a <meta> tag, hopefully near the beginning of the document. i i g�������?N)�endposr �asciir* ) rU �max�int�xml_encoding_re�search� html_meta_re�groups�decoder< )r$ rG rD Zsearch_entire_documentZ xml_endposZ html_endposrE Zdeclared_encoding_matchr r r rM + s z'EncodingDetector.find_declared_encoding)NFN)FF) r6 r7 r8 r9 rI rL �propertyrO r: rF rM r r r r r; � s ! r; c � @ s� e Zd ZdZddd�ZdddgZg dd g fd d �Zd d � Zd�dd�Zd�dd�Z e dd� �Z dd� Z dd� Z dddd d d d d d!d"d#d$d%d&d'd&d&d(d)d*d+d,d-d.d/d0d1d2d3d&d4d5d6� Zd7dd8d9d:d;d<d=d>d?d@dAdBd&dCd&d&dDdDdEdEdFdGdHdIdJdKdLdMd&dNdOddPdQdRdSdTdUd@dVdWdXdYdPddZdGd[d\d]d^d_d`dadFd8dbdXdcdddedfd&dgdgdgdgdgdgdhdidjdjdjdjdkdkdkdkdldmdndndndndndFdndododododOdpdqdrdrdrdrdrdrdsdQdtdtdtdtdudududud[dvd[d[d[d[d[dwd[d`d`d`d`dxdpdxdy��Zdzd{d|d}d~dd�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�d�zZd�d�d�gZed� d� Zed� d� Ze�d d�d���ZdS ( � UnicodeDammitz�A class for detecting the encoding of a *ML document and converting it to a Unicode string. If the source encoding is windows-1252, can replace MS smart quotes with their HTML or XML equivalents.z mac-romanz shift-jis)� macintoshzx-sjis� windows-1252z iso-8859-1z iso-8859-2NFc C s� || _ g | _d| _|| _t�t�| _t||||�| _ t |t �sF|dkr`|| _ t |�| _ d | _d S | j j | _ d }x,| j jD ] }| j j }| �|�}|d k rxP qxW |s�x@| j jD ]4}|dkr�| �|d�}|d k r�| j�d� d| _P q�W || _ |s�d | _d S )NFr rX r* zSSome characters could not be decoded, and were replaced with REPLACEMENT CHARACTER.T)�smart_quotes_to�tried_encodingsZ contains_replacement_charactersrD �loggingZ getLoggerr6 �logr; �detectorrS rT rG Zunicode_markup�original_encodingrO � _convert_fromZwarning)r+ rG r@ rd rD rB �ur r r r rI X s> zUnicodeDammit.__init__c C s� |� d�}| jdkr&| j�|��� }nf| j�|�}t|�tkr�| jdkrfd�� |d �� d�� }q�d�� |d �� d�� }n|�� }|S )z[Changes a MS smart quote character to an XML or HTML entity, or an ASCII character.� rX �xmlz&#x�;r r )r# rd �MS_CHARS_TO_ASCIIr" �encode�MS_CHARS�type�tuple)r+ �match�origr/ r r r � _sub_ms_char� s zUnicodeDammit._sub_ms_char�strictc C s� | � |�}|r ||f| jkr d S | j�||f� | j}| jd k rf|| jkrfd}t�|�}|�| j |�}y | � |||�}|| _|| _ W n" t k r� } zd S d }~X Y nX | jS )Ns ([�-�])) � find_codecre r rG rd �ENCODINGS_WITH_SMART_QUOTESr r r/ rv � _to_unicoderi � Exception)r+ Zproposed�errorsrG Zsmart_quotes_reZsmart_quotes_compiledrk rN r r r rj � s" zUnicodeDammit._convert_fromc C s t |||�S )zGiven a string and its encoding, decodes the string into Unicode. %encoding is a string recognized by encodings.aliases)rT )r+ rV r r| r r r rz � s zUnicodeDammit._to_unicodec C s | j s d S | jjS )N)rD rh rE )r+ r r r �declared_html_encoding� s z$UnicodeDammit.declared_html_encodingc C s` | � | j�||��pN|r*| � |�dd��pN|r@| � |�dd��pN|rL|�� pN|}|r\|�� S d S )N�-r �_)�_codec�CHARSET_ALIASESr" r* r< )r+ �charsetr, r r r rx � s zUnicodeDammit.find_codecc C s< |s|S d }yt �|� |}W n ttfk r6 Y nX |S )N)�codecsr � LookupError� ValueError)r+ r� �codecr r r r� � s zUnicodeDammit._codec)�euroZ20AC� )ZsbquoZ201A)ZfnofZ192)ZbdquoZ201E)ZhellipZ2026)ZdaggerZ2020)ZDaggerZ2021)ZcircZ2C6)ZpermilZ2030)ZScaronZ160)ZlsaquoZ2039)ZOEligZ152�?)z#x17DZ17D)ZlsquoZ2018)ZrsquoZ2019)ZldquoZ201C)ZrdquoZ201D)ZbullZ2022)ZndashZ2013)ZmdashZ2014)�tildeZ2DC)ZtradeZ2122)ZscaronZ161)ZrsaquoZ203A)ZoeligZ153)z#x17EZ17E)ZYumlr ) � �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �ZEUR�,�fz,,z...�+z++�^�%�Sr ZOE�Zr r �*r~ z--�~z(TM)r r Zoe�z�Y�!�cZGBP�$ZYEN�|z..r z(th)z<<z(R)�oz+-�2�3)r Zacuterk �P�1z>>z1/4z1/2z3/4�AZAE�C�E�I�D�N�O�U�b�B�aZaerN �i�n�/�y)�r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� � �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �s €s ‚s ƒs „s …s †s ‡s ˆs ‰s Šs ‹s Œs Žs ‘s ’s “s ”s •s –s —s ˜s ™s šs ›s œs žs Ÿs s ¡s ¢s £s ¤s ¥s ¦s §s ¨s ©s ªs «s ¬s s ®s ¯s °s ±s ²s ³s ´s µs ¶s ·s ¸s ¹s ºs »s ¼s ½s ¾s ¿s Às Ás Âs Ãs Äs Ås Æs Çs Ès És Ês Ës Ìs Ís Îs Ïs Ðs Ñs Òs Ós Ôs Õs Ös ×s Øs Ùs Ús Ûs Üs Ýs Þs ßs àr� s âs ãs äs ås æs çs ès és ês ës ìs ís îs ïs ðs ñs òs ós ôs õs ös ÷s øs ùs ús ûs üs ýs þ)z� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� � � � � � � � � � � )rk r� rQ )r� r� rR )r� r� rP r ���rl �utf8c C s" |� dd��� dkr td��|�� dkr0td��g }d}d}x�|t|�k r�|| }t|t�sdt|�}|| jkr�|| jkr�xz| j D ]$\}} } ||kr�|| kr�|| 7 }P q�W q>|dkr�|| j kr�|� |||� � |� | j | � |d 7 }|}q>|d 7 }q>W |dk�r|S |� ||d � � d � |�S ) a� Fix characters from one encoding embedded in some other encoding. Currently the only situation supported is Windows-1252 (or its subset ISO-8859-1), embedded in UTF-8. The input must be a bytestring. If you've already converted the document to Unicode, you're too late. The output is a bytestring in which `embedded_encoding` characters have been converted to their `main_encoding` equivalents. r r~ )z windows-1252� windows_1252zPWindows-1252 and ISO-8859-1 are the only currently supported embedded encodings.)r� zutf-8z4UTF-8 is the only currently supported main encoding.r r. rl N� ) r* r< �NotImplementedErrorrU rS rZ �ord�FIRST_MULTIBYTE_MARKER�LAST_MULTIBYTE_MARKER�MULTIBYTE_MARKERS_AND_SIZES�WINDOWS_1252_TO_UTF8r r ) r$ Zin_bytesZ main_encodingZembedded_encodingZ byte_chunksZ chunk_start�posZbyte�start�end�sizer r r � detwingle s< zUnicodeDammit.detwingle)rw )rw )r� rc )r6 r7 r8 r9 r� ry rI rv rj rz r` r} rx r� rq ro r� r� r� r� r: r� r r r r ra E s` 1 ra )r9 � __license__r� Z html.entitiesr r rf �stringZ chardet_typer r � ImportErrorr Z iconv_codecr rp r� r[ r] �objectr r; ra r r r r �<module> s8
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