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parser.cpython-36.opt-1.pyc
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3 ǁaW�\ � @ s> d Z ddlZddlZddlZejd dk r4eZeZne Ze Zdd� Z G dd� de �Z G dd � d e e�ZG d d � d e�ZG d d � d e�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG d d � d e�Zejd �Z ejd �Z ejd �Z d!d"� Z d#d$� Z d%d&� Z!dNd(d)�Z"d*d+� Z#d,d-� Z$d.d/� Z%G d0d1� d1e&�Z'G d2d3� d3e'�Z(G d4d5� d5�Z)d6d7� Z*e*d8�Z+e*d9�Z,e*d:�Z-e*d;�Z.e*d<�e*d=�d>�Z/ejd?�j0Z1eje)j2ej3�j0Z4ejd@�j0Z5e6edA��r ej7dBdC�Z8ndDdE� Z8dFdG� Z9dHdI� Z:dJdK� Z;G dLdM� dMe�Z<dS )Oa cssselect.parser ================ Tokenizer, parser and parsed objects for CSS selectors. :copyright: (c) 2007-2012 Ian Bicking and contributors. See AUTHORS for more details. :license: BSD, see LICENSE for more details. � N� c C s | j d�j� jd�S )z(Lower-case, but only in the ASCII range.�utf8)�encode�lower�decode)�string� r � /usr/lib/python3.6/parser.py� ascii_lower s r c @ s e Zd ZdZdS )� SelectorErrorz�Common parent for :class:`SelectorSyntaxError` and :class:`ExpressionError`. You can just use ``except SelectorError:`` when calling :meth:`~GenericTranslator.css_to_xpath` and handle both exceptions types. N)�__name__� __module__� __qualname__�__doc__r r r r r ! s r c @ s e Zd ZdZdS )�SelectorSyntaxErrorz3Parsing a selector that does not match the grammar.N)r r r r r r r r r * s r c @ s* e Zd ZdZd dd�Zdd� Zdd� ZdS ) �Selectoru" Represents a parsed selector. :meth:`~GenericTranslator.selector_to_xpath` accepts this object, but ignores :attr:`pseudo_element`. It is the user’s responsibility to account for pseudo-elements and reject selectors with unknown or unsupported pseudo-elements. Nc C s, || _ |d k r"t|t� r"t|�}|| _d S )N)� parsed_tree� isinstance�FunctionalPseudoElementr �pseudo_element)�selfZtreer r r r �__init__: s zSelector.__init__c C sB t | jt�rt| j�}n| jr*d| j }nd}d| jj| j|f S )Nz::%s� z%s[%r%s])r r r �repr� __class__r r )r r r r r �__repr__U s zSelector.__repr__c C s( | j j� \}}}| jr |d7 }|||fS )z�Return the specificity_ of this selector as a tuple of 3 integers. .. _specificity: http://www.w3.org/TR/selectors/#specificity � )r � specificityr )r �a�b�cr r r r _ s zSelector.specificity)N)r r r r r r r r r r r r 0 s r c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �Classz( Represents selector.class_name c C s || _ || _d S )N)�selector� class_name)r r" r# r r r r o s zClass.__init__c C s d| j j| j| jf S )Nz %s[%r.%s])r r r" r# )r r r r r s s zClass.__repr__c C s" | j j� \}}}|d7 }|||fS )Nr )r" r )r r r r r r r r w s zClass.specificityN)r r r r r r r r r r r r! k s r! c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) r ax Represents selector::name(arguments) .. attribute:: name The name (identifier) of the pseudo-element, as a string. .. attribute:: arguments The arguments of the pseudo-element, as a list of tokens. **Note:** tokens are not part of the public API, and may change between cssselect versions. Use at your own risks. c C s t |�| _|| _d S )N)r �name� arguments)r r$ r% r r r r � s z FunctionalPseudoElement.__init__c C s d| j j| jdd� | jD �f S )Nz %s[::%s(%r)]c S s g | ] }|j �qS r )�value)�.0�tokenr r r � <listcomp>� s z4FunctionalPseudoElement.__repr__.<locals>.<listcomp>)r r r$ r% )r r r r r � s z FunctionalPseudoElement.__repr__c C s dd� | j D �S )Nc S s g | ] }|j �qS r )�type)r' r( r r r r) � s z:FunctionalPseudoElement.argument_types.<locals>.<listcomp>)r% )r r r r �argument_types� s z&FunctionalPseudoElement.argument_typesc C s" | j j� \}}}|d7 }|||fS )Nr )r" r )r r r r r r r r � s z#FunctionalPseudoElement.specificityN)r r r r r r r+ r r r r r r } s r c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) �Functionz( Represents selector:name(expr) c C s || _ t|�| _|| _d S )N)r" r r$ r% )r r" r$ r% r r r r � s zFunction.__init__c C s$ d| j j| j| jdd� | jD �f S )Nz %s[%r:%s(%r)]c S s g | ] }|j �qS r )r& )r' r( r r r r) � s z%Function.__repr__.<locals>.<listcomp>)r r r" r$ r% )r r r r r � s zFunction.__repr__c C s dd� | j D �S )Nc S s g | ] }|j �qS r )r* )r' r( r r r r) � s z+Function.argument_types.<locals>.<listcomp>)r% )r r r r r+ � s zFunction.argument_typesc C s" | j j� \}}}|d7 }|||fS )Nr )r" r )r r r r r r r r � s zFunction.specificityN)r r r r r r r+ r r r r r r, � s r, c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �Pseudoz# Represents selector:ident c C s || _ t|�| _d S )N)r" r �ident)r r" r. r r r r � s zPseudo.__init__c C s d| j j| j| jf S )Nz %s[%r:%s])r r r" r. )r r r r r � s zPseudo.__repr__c C s" | j j� \}}}|d7 }|||fS )Nr )r" r )r r r r r r r r � s zPseudo.specificityN)r r r r r r r r r r r r- � s r- c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �Negationz. Represents selector:not(subselector) c C s || _ || _d S )N)r" � subselector)r r" r0 r r r r � s zNegation.__init__c C s d| j j| j| jf S )Nz%s[%r:not(%r)])r r r" r0 )r r r r r � s zNegation.__repr__c C s6 | j j� \}}}| jj� \}}}|| || || fS )N)r" r r0 )r �a1�b1�c1�a2�b2�c2r r r r � s zNegation.specificityN)r r r r r r r r r r r r/ � s r/ c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �Attribz> Represents selector[namespace|attrib operator value] c C s" || _ || _|| _|| _|| _d S )N)r" � namespace�attrib�operatorr& )r r" r8 r9 r: r& r r r r � s zAttrib.__init__c C s\ | j rd| j | jf }n| j}| jdkr<d| jj| j|f S d| jj| j|| j| jf S d S )Nz%s|%s�existsz %s[%r[%s]]z%s[%r[%s %s %r]])r8 r9 r: r r r" r& )r r9 r r r r � s zAttrib.__repr__c C s" | j j� \}}}|d7 }|||fS )Nr )r" r )r r r r r r r r � s zAttrib.specificityN)r r r r r r r r r r r r7 � s r7 c @ s* e Zd ZdZd dd�Zdd� Zdd� ZdS ) �ElementzU Represents namespace|element `None` is for the universal selector '*' Nc C s || _ || _d S )N)r8 �element)r r8 r= r r r r s zElement.__init__c C s. | j pd}| jr d| j|f }d| jj|f S )N�*z%s|%sz%s[%s])r= r8 r r )r r= r r r r s zElement.__repr__c C s | j r dS dS d S )Nr r )r r r )r r r )r= )r r r r r s zElement.specificity)NN)r r r r r r r r r r r r< � s r< c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �Hashz Represents selector#id c C s || _ || _d S )N)r" �id)r r" r@ r r r r s z Hash.__init__c C s d| j j| j| jf S )Nz %s[%r#%s])r r r" r@ )r r r r r s z Hash.__repr__c C s" | j j� \}}}|d7 }|||fS )Nr )r" r )r r r r r r r r s zHash.specificityN)r r r r r r r r r r r r? s r? c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�CombinedSelectorc C s || _ || _|| _d S )N)r" � combinatorr0 )r r" rB r0 r r r r $ s zCombinedSelector.__init__c C s. | j dkrd}n| j }d| jj| j|| jf S )N� z <followed>z %s[%r %s %r])rB r r r" r0 )r Zcombr r r r * s zCombinedSelector.__repr__c C s6 | j j� \}}}| jj� \}}}|| || || fS )N)r" r r0 )r r1 r2 r3 r4 r5 r6 r r r r 2 s z CombinedSelector.specificityN)r r r r r r r r r r rA # s rA z%^[ \t\r\n\f]*([a-zA-Z]+)[ \t\r\n\f]*$z6^[ \t\r\n\f]*([a-zA-Z]*)#([a-zA-Z0-9_-]+)[ \t\r\n\f]*$z?^[ \t\r\n\f]*([a-zA-Z]*)\.([a-zA-Z][a-zA-Z0-9_-]*)[ \t\r\n\f]*$c C s� t j| �}|r$tt|jd�d��gS tj| �}|dk r\ttt|jd�pHdd�|jd���gS tj| �}|dk r�ttt|jd�p�dd�|jd���gS t t | ��}| |_ t t |��S )a� Parse a CSS *group of selectors*. If you don't care about pseudo-elements or selector specificity, you can skip this and use :meth:`~GenericTranslator.css_to_xpath`. :param css: A *group of selectors* as an Unicode string. :raises: :class:`SelectorSyntaxError` on invalid selectors. :returns: A list of parsed :class:`Selector` objects, one for each selector in the comma-separated group. r )r= N� )�_el_re�matchr r< �group�_id_rer? � _class_rer! � TokenStream�tokenize�source�list�parse_selector_group)ZcssrF �streamr r r �parseE s rP c c s@ | j � x2tt| �� V | j� dkr6| j� | j � q P q W d S )N�DELIM�,)rQ rR )�skip_whitespacer �parse_selector�peek�next)rO r r r rN o s rN c C s� t | �\}}xl| j� | j� }|d kr(P |r8td| ��|jddd�rZ| j� j}| j� nd}t | �\}}t|||�}qW ||fS ) N�EOFrQ rR z4Got pseudo-element ::%s not at the end of a selector�+�>�~rC �rW N�rQ rR )r[ r\ )�parse_simple_selectorrS rU r �is_delimrV r& rA )rO �resultr rU rB Z next_selectorr r r rT y s" rT Fc C s� | j � t| j�}| j� }|jdks,|d krv|jdkrB| j� j}n | j� d }| j� d krl| j� | j� }q~|}d }nd }}t||�}d }�x�| j� }|jd ks�|j ddd d �s�|r�|d kr�P |r�t d | ��|jd kr�t || j� j�}q�|d!k�r| j� t || j � �}q�|d"k�r,| j� t|| �}q�|d#k�rL| j� | j� d$k�r�| j� | j � }| j� d%kr�| j� t|t| ��}q�| j � }|j� d&k�r�t|�}q�| j� d'k�r�t||�}q�| j� | j � |j� dk�r:|�r�t d��t| dd�\} } | j� } | �rt d| | jf ��| d(k�r.t d| f ��t|| �}nt||t| ��}q�t d |f ��q�W t| j�|k�r�t d | j� f ��||fS ))N�IDENTrQ r> �|�SrW rR rX rY rZ �)z4Got pseudo-element ::%s not at the end of a selector�HASH�.�[�:�(� first-line� first-letter�before�after�notzGot nested :not()T)�inside_negationz+Got pseudo-element ::%s inside :not() at %szExpected ')', got %szExpected selector, got %s)rQ r> )rQ ra )rb rW )rQ rc )rQ re )rQ rf )rQ rg )rQ rg )rQ rh )ri rj rk rl )rQ rh )rQ rc )rS �len�usedrU r* rV r& �next_ident_or_starr< r^ r r? r! � next_ident� parse_attribr �parse_argumentsr �_unicoder- r] �posr/ r, ) rO rn Zselector_startrU r8 r= r_ r r. ZargumentZargument_pseudo_elementrV r r r r] � s� r] c C sV g }xL| j � | j� }|jd ks(|d kr4|j|� q|d kr@|S td|f ��qW d S )Nr` �STRING�NUMBERrQ rX �-rc z Expected an argument, got %s)r` rw rx �rQ rX �rQ ry )rz r{ )rQ rc )rS rV r* �appendr )rO r% rV r r r rt � s rt c C sj |j � |j� }|d kr6|j� dkr6td|j� f ��|j� dkrz|j� |j� dkrhd }|j� d}q�|}|j� }d }nd }}|d k�r|j � |j� }|dkr�t| ||dd �S |dkr�d}nD|jdd d d dd �o�|j� dk� r�|jd }|j� ntd |f ��|j � |j� }|j dk�r0td|f ��|j � |j� }|dk�rXtd|f ��t| ||||j�S )NrQ ra zExpected '|', got %s�=z|=�]r; �^�$r> rZ �!zOperator expected, got %sr` rw z Expected string or ident, got %szExpected ']', got %s)rQ ra )rQ ra )rQ r} )rQ r~ )rQ r} )rQ r} )r` rw )rQ r~ ) rS rq rU r rV rr r7 r^ r& r* )r" rO r9 r8 �oprV r& r r r rs � sN rs c C s� x | D ]}|j dkrtd��qW djdd� | D ��j� }|dkrDdS |d krPdS |d kr\dS d |krpd t|�fS |jd d�\}}|s�d}n&|d ks�|d kr�t|d �}nt|�}|s�d }nt|�}||fS )zv Parses the arguments for :nth-child() and friends. :raises: A list of tokens :returns: :``(a, b)`` rw z$String tokens not allowed in series.r c s s | ] }|j V qd S )N)r& )r' r( r r r � <genexpr>+ s z parse_series.<locals>.<genexpr>ZoddrD r Zevenr �nry rX �1)rD r )rD r )r r )r* � ValueError�join�strip�int�split)�tokensr( �sr r r r r � parse_series s, r� c @ s@ e Zd Zdd� Zdd� Zdd� Zeejd��Z eejd��Z d S ) �Tokenc C s t j| ||f�}||_|S )N)�tuple�__new__rv )�clsZtype_r& rv �objr r r r� F s z Token.__new__c C s d| j | j| jf S )Nz<%s '%s' at %i>)r* r& rv )r r r r r K s zToken.__repr__c G s | j dko| j|kS )NrQ )r* r& )r �valuesr r r r^ N s zToken.is_delimr r N) r r r r� r r^ �propertyr: � itemgetterr* r& r r r r r� E s r� c @ s e Zd Zdd� Zdd� ZdS )�EOFTokenc C s t j| dd |�S )NrW )r� r� )r� rv r r r r� V s zEOFToken.__new__c C s d| j | jf S )Nz <%s at %i>)r* rv )r r r r r Y s zEOFToken.__repr__N)r r r r� r r r r r r� U s r� c @ s< e Zd ZdZed Zde ZdZdeef Zdeef ZdS )� TokenMacrosz&\\([0-9a-f]{1,6})(?:\r\n|[ \n\r\t\f])?z|\\[^\n\r\f0-9a-f]z\\(?:\n|\r\n|\r|\f)|z [^\0-\177]z[_a-z0-9-]|%s|%sz [_a-z]|%s|%sN) r r r �unicode_escape�escapeZ string_escapeZnonasciiZnmcharZnmstartr r r r r� ` s r� c C s t j| tt� t j�jS )N)�re�compile�varsr� � IGNORECASErF )�patternr r r �_compileh s r� z [ \t\r\n\f]+z [+-]?(?:[0-9]*\.[0-9]+|[0-9]+)z#(?:%(nmchar)s)+z -?(?:%(nmstart)s)(?:%(nmchar)s)*z!([^\n\r\f\\']|%(string_escape)s)*z!([^\n\r\f\\"]|%(string_escape)s)*)�'�"z\\(.)z\\(?:\n|\r\n|\r|\f)� methodcallerrG r c C s | j d�S )Nr )rG )rF r r r �_replace_simple} s r� c C s& t | jd�d�}|tjkr d}t|�S )Nr � i�� )r� rG �sys� maxunicode�_unichr)rF Z codepointr r r �_replace_unicode� s r� c C s t t| �} tt| �} | S )N)�_sub_unicode_escaper� �_sub_simple_escaper� )r& r r r �unescape_ident� s r� c c s� d}t | �}�x�||k �r�t| |d�}|rBtdd|�V |j� }qt| |d�}|r~tttt|j � ��}td||�V |j� }qt | |d�}|r�tttt|j � dd � ��}td||�V |j� }q| | }|t k�rRt | | |d d�}|j� }||k�rt d| ��| | |k�r t d | ��ttttt d |j � ���}td ||�V |d }qt| |d�}|�r�|j � }td ||�V |j� }q|d }| ||� dk�r�| jd|�}|dk�r�|}q|d 7 }qtd| | |�V |d7 }qW t|�V d S )Nr )rv rb rC r` r rd zUnclosed string at %szInvalid string at %sr rw rx rD z/*z*/rQ ���)ro �_match_whitespacer� �end� _match_identr� r� r� r� rG � _match_hash�_match_string_by_quoter �_sub_newline_escape� _match_number�findr� )r� rv Zlen_srF r& ZquoteZend_posZpos2r r r rK � sh rK c @ s> e Zd Zddd�Zdd� Zdd� Zdd � Zd d � Zd d � ZdS )rJ Nc C sT g | _ t|�| _|| _d | _d| _y| jj| _W n tk rN | jj | _Y nX d S )NF) rp �iterr� rL �peeked�_peekingrV � next_token�AttributeError�__next__)r r� rL r r r r � s zTokenStream.__init__c C s< | j r d| _ | jj| j� | jS | j� }| jj|� |S d S )NF)r� rp r| r� r� )r rV r r r rV � s zTokenStream.nextc C s | j s| j� | _d| _ | jS )NT)r� r� r� )r r r r rU � s zTokenStream.peekc C s& | j � }|jdkr td|f ��|jS )Nr` zExpected ident, got %s)rV r* r r& )r rV r r r rr � s zTokenStream.next_identc C s6 | j � }|jdkr|jS |dkr$d S td|f ��d S )Nr` rQ r> z Expected ident or '*', got %s)rQ r> )rV r* r& r )r rV r r r rq � s z TokenStream.next_ident_or_starc C s | j � }|jdkr| j� d S )Nrb )rU r* rV )r rU r r r rS � s zTokenStream.skip_whitespace)N) r r r r rV rU rr rq rS r r r r rJ � s rJ )F)=r r� r� r: � version_infoZunicoderu Zunichrr� �str�chrr � Exceptionr � SyntaxErrorr �objectr r! r r, r- r/ r7 r< r? rA r� rE rH rI rP rN rT r] rt rs r� r� r� r� r� r� r� r� r� r� r� �subr� r� �Ir� r� �hasattrr� r� r� r� rK rJ r r r r �<module> sh ;# * S-% A
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__init__.cpython-36.opt-1.pyc
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__init__.cpython-36.pyc
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parser.cpython-36.opt-1.pyc
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parser.cpython-36.pyc
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xpath.cpython-36.opt-1.pyc
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xpath.cpython-36.pyc
20.438
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